bluuebunny/crossref_metadata_2025 huggingface dataset:
Integración de Triz and qfd para un diseño innovador en CAD de un prototipo de arado reservisble por gravedad de bajo costo
Authors: Rubio Valle Alexis Enrique , Mejía Marcacuzco Jesús Abel , Barriga Gamarra Eliseo Benjamín , Salas Peña Carlos Javier , Buendía Molina Marilyn Aurora
Published: March 2023

A nivel mundial existen diferentes diseños de arados; sin embargo, estos tienen su accionar en sistemas hidráulicos elevando el costo de la producción. El objetivo de esta investigación fue diseñar y optimizar un prototipo, en sistemas CAD, de un arado reversible por gravedad de bajo costo con tres discos de aradura que pueda ser usado por un tractor de baja potencia, (50 a 75 Hp). En el diseño se enfatiza la innovación conceptual y dimensionamiento de un novedoso sistema de mecanismos que, en conjunto, es capaz de revertir los discos de aradura solo con la acción de la gravedad y las inerciales de masa que se producen al levantar el arado. Para este diseño innovador se incorpora los conceptos de la Teoría para Resolver Problemas de Inventiva (Tieoriya Riesheniya Izobrietatielskij Zadach) (TRIZ) y el Despliegue de la Función de Calidad (Quality Function Deployment) (QFD). Para el dimensionamiento del diseño se toma en cuenta los instantes de trabajo en que el arado soporta el mayor estrés: al inicio del trabajo de aradura y el levantamiento del arado por el enganche de tres puntos. Finalmente se usó tecnologías de realidad extendida, para crear un prototipo virtual que permite un ahorro significativo de tiempo y dinero, a través del programa Solid Works. Los resultados indican que el prototipo es funcional y disminuyen los costos de producción y mantenimiento, por la simplicidad de sus componentes.
Wie entwickelt sich das Projektmanagement und warum?
Authors: Rietz Steffen , Schneider Lorenz
Published: March 2023

Projektmanagement und mit ihm die PM-Prozesse, Methoden und Werkzeuge entwickeln sich stetig weiter, in kleinen, kaum spürbaren Schritten oder in großen unübersehbaren Veränderungen. In den letzten Jahren war der Diskurs über das Pro & Contra agiler Vorgehensweisen so allgegenwärtig, dass andere Aspekte nicht immer die notwendige Aufmerksamkeit bekamen. Erkannte Notwendigkeiten der PM-Entwicklung konnten noch nicht in spürbare Fortschritte umgewandelt werden. Einflüsse der Globalisierung und der IT, aber auch die aus der zunehmenden Forderung nach Nachhaltigkeit resultierenden Veränderungen in der Projektarbeit sollen daher genauer betrachtet werden. Ist erst einmal die Sensibilität für relevante Trends beim Projektpersonal geschaffen, rücken ein aktualisiertes Kompetenzprofil und ein erweiterter Methodenkanon in greifbare Nähe.
Auswirkungen von Cloud-First auf IT-Projektportfolios
Authors: Blümke Mona Charlotte
Published: March 2023

Cloud-Technologien sind einer der größten Treiber in der Weiterentwicklung von Unternehmens-IT. Die damit verbundene Implementierung von Cloud-First-Strategien wirkt sich direkt auf das Management von IT-Projektportfolios aus. Projekte innerhalb bestehender Portfolios müssen auf ihre strategische Passung untersucht und innerhalb des Projektportfolios angemessen gesteuert werden. Weitere Kriterien, die in diesem Zusammenhang berücksichtigt werden müssen, sind die Dringlichkeit, Wirtschaftlichkeit und der Reifegrad der Projekte sowie Abhängigkeiten zwischen Projekten. Die Bewertung der Projekte anhand dieser Kriterien sollte mit Hilfe einer Nutzwertanalyse erfolgen. Aus ihren Ergebnissen sind Maßnahmen in Hinblick auf die Repriorisierung der Projekte sowie der Projektausrichtung bezüglich des Betriebs von IT-Systemen ableitbar.
Supportmodell für den ERP-Rollout bei der DÜRR DENTAL SE
Authors: Lutsch Claire , Durst Ralf , Preuss Peter
Published: March 2023

Die DÜRR DENTAL SE rollt seit 2017 ihr ERP-System auf die Niederlassungen aus. Um einen guten Anwendersupport gewährleisten zu können, wurde ein Supportmodell entwickelt, mit dem die Niederlassungen nach einem Go-Live so betreut werden, dass sie das notwendige Know-how erlangen, um möglichst viele Probleme eigenständig lösen zu können. In diesem Beitrag werden die Phasen dieses Supportmodells, die Rollen und Verantwortlichkeiten sowie die Kommunikationswege in der Support-Phase vorgestellt.
Pengaruh Aplikasi SeTARA Daring Terhadap Motivasi Belajar Peserta Didik Program Kesetaraan Paket C di SPNF SKB Kota Malang
Authors: Aisyah Siti , Widianto Edi
Published: March 2023

SPNF SKB Kota Malang merupakan salah satu satuan pendidikan nonformal yang terdapat program pendidikan kesetaraan salah satunya adalah Paket C. Pendidikan kesetaraan Paket C memanfaatkan media pembelajaran yaitu aplikasi seTARA daring. Penting adanya motivasi belajar pada peserta didik yang mana dapat menumbuhkan semangat dan keinginan yang besar untuk melakukan kegiatan belajar. Tujuan dari penelitian ini untuk mendiskripsikan motivasi belajar Paket C, mendeskripsikan aplikasi seTARA daring serta menganalisis apakah terdapat pengaruh antara seTARA daring dengan motivasi belajar Paket C. Kuantitatif merupakan metode yang digunakan dalam penelitian ini. Adapun populasi yang berjumlah 88 orang yang merupakan peserta didik Paket C di SPNF SKB Kota Malang. Penentuan jumlah sampel dengan cara propotional stratified random sampling.  Penelitian ini menunjukkan hasil bahwa aplikasi seTARA daring mempengaruhi secara positif terhadap motivasi belajar peserta didik Paket C yakni sebesar 50,9% dan memiliki kategori sedang. Dari penjelasan tersebut, dapat ditarik kesimpulan semakin tinggi kualitas konten pada aplikasi seTARA daring, maka semakin meningkat pula motivasi belajar pada peserta didik program kesetaraan Paket C di SPNF SKB Kota Malang.
Pengaruh Pembuatan Tikar Pandan Bermotif Terhadap Peningkatan Pendapatan Para Ibu Rumah Tangga Di Batubara
Authors: Riswana Anisa , Rosdiana Rosdiana
Published: March 2023

Penelitian ini bertujuan untuk Mengetahui Adakah pengaruh pembuatan tikar pandan bermotif terhadap  peningkatan pendapatan para ibu rumah tangga di Batubara. Hasil penelitian ini menunjukkan adanya pengaruh yang signifikan dalam pembuatan tikar pandan bermotif terhadap peningkatan pendapatan para ibu rumah tangga di Batubara. Adapun besar pengaruhnya yaitu 92.8 % sedangkan 7,2 % lainnya disumbangkan oleh variabel lain di luar penelitian, dengan kata lain pendapatan para ibu rumah tangga di Batubara yang bekerja sebagai pengrajin anyaman tikar meningkat atau bertambah dari biasanya yang hanya menjual tikar polos tanpa warna adan tanpa motif.
Film Commissions, marketing territorial e turismo: uma revisão sistemática da literatura
Authors: Vasconcelos João Victor , Körössy Nathália
Published: March 2023

A partir de uma lacuna teórica identificada sobre a relação entre film commissions e marketing, este estudo realiza uma revisão sistemática da literatura com o objetivo de apresentar uma caracterização das film commissions e suas relações com o marketing territorial e o turismo. A pesquisa realizada é de cunho exploratório-descritivo e teve como método a revisão sistemática integrativa da literatura como forma de identificar, selecionar e analisar qualitativamente 25 artigos de um universo de 348 trabalhos publicados nos bancos de dados do Portal de Periódicos da Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (Capes) do Brasil, Google Acadêmico, Spell e também, de maneira complementar, nos Anais da Associação Nacional de Pós-Graduação em Turismo (ANPTUR). Verifica-se que há nas film commissions um interesse mútuo em promover seu território e, em paralelo, seduzir produtores para captar produções audiovisuais. Observou-se que na teoria as film commissions podem ser entendidas como uma organização de marketing territorial. Entretanto, verifica-se na prática que essa atuação ainda ocorre de maneira indireta, muitas vezes sem relação com os outros departamentos institucionais da gestão pública.
Promoción de Élite (Netflix) en sus redes sociales: una comparativa entre la primera y la quinta temporada (2018-2022)
Authors: Puga-Ledo Lucía
Published: March 2023

Durante los últimos años, las plataformas de vídeo bajo demanda han abierto un nuevo mundo de posibilidades de consumo a los usuarios que, al mismo tiempo que visionan los productos audiovisuales, emplean sus smartphones como segundas pantallas para comentar el contenido en sus redes sociales. En este contexto, surge la necesidad de analizar cómo las plataformas de streaming actúan en sus perfiles sociales. El objetivo principal de la presente investigación es observar cómo ha evolucionado la comunicación de la serie Élite de Netflix en sus redes sociales, comparando la primera temporada (2018) y la quinta temporada (2022). Para ello, se ha realizado un análisis de contenido de las publicaciones compartidas durante las dos semanas anteriores al estreno de las entregas y las dos semanas posteriores en las redes sociales en las que cuentan con un perfil verificado: Twitter, Instagram, TikTok, Facebook y YouTube. El resultado principal muestra que, si bien intentan adaptarse a las nuevas redes sociales donde se encuentra su público y a las nuevas tendencias, aún están lejos de utilizar todos los recursos a su disposición para explorar las posibilidades que permite la serie y sus personajes.
Relating Onset of Health Conditions to Changes in Tobacco/Nicotine Use — Analyses based on the U.S. PATH Study *
Authors: Lee Peter N. , Fry John S.
Published: March 2023

1.

Introduction

Evidence is limited on how the onset of health conditions affects tobacco/nicotine use. We report analyses from adults in the U.S. PATH study relating changes in established cigarette and/or e-cigarette use between Waves 1 and 4 to onset of conditions in Waves 2 or 3.

Methods

Nine conditions had sufficient onsets for analysis. The main analyses adjusted for sex and age. Additional analyses excluded other tobacco/nicotine product users, controlled for more variables, restricted changes in one product to never users of the other, or restricted attention to changes occurring after onset of the condition.

Results

In the main analyses, onset of each condition predicted significantly increased overall e-cigarette initiation rates, with highest odds ratios (OR) for any major respiratory condition (2.86, 95% confidence interval (CI) 2.10–3.90) and cancer (2.51, 1.52–4.14). Each onset also predicted higher cigarette smoking initiation rates, but ORs were lower than for e-cigarette initiation, and only significant for any cardiovascular condition (1.65, 1.31–2.08), high blood pressure (1.34, 1.13–1.58), and any major smoking-related condition (1.35, 1.12–1.62). For quitting smoking only six conditions showed increased ORs, significant only for high cholesterol (1.29, 1.02–1.62). The additional analyses generally confirmed these patterns. Relationships with re-initiating cigarettes or becoming dual users of cigarettes and e-cigarettes were inconsistent. Onset of conditions also tended to reduce amount smoked by smokers.

Conclusions

While PATH is nationally representative, its sample size does not always allow precise estimates. There is concern about accuracy of statements by some older participants claiming to be Wave 1 never smokers but Wave 4 ever smokers. Nevertheless the previously unreported association between onset of the health conditions and e-cigarette initiation (which mainly occurs in Wave 1 cigarette smokers) appears real. [Contrib. Tob. Nicotine Res. 32 (2023) 1–10]
Новые книги по международному частному праву: Международное частное право (учебное пособие) / Под ред. Г.К. Дмитриевой. (М.,1993)
Authors: Лисицын-Светланов А. Г.
Published: March 2023

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Вклад Н.Н. Голубева в отечественную науку международного права
Authors: Щербакова Н. В.
Published: March 2023

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PengangkatanTumor Fibrosarcoma Kelenjar Mammae pada Anjing Peking
Authors: Jayawardhita Anak Agung Gede , Maheswari Luh Gde Winda
Published: March 2023

Seekor anjing ras peking berumur delapan tahun dengan bobot badan 6,42 kg, berjenis kelamin betina terdapat benjolan pada kelenjar mammae keempat sebelah kiri dan kanan disertai ulcer. Anjing ini mengalami penurunan nafsu makan dan minum, defekasi dan urinasi normal. Hasil pemeriksaan histopatologi jaringan tumor yang dilakukan di Laboratorium Patologi FKH UNUD, anjing didiagnosis menderita fibrosarcoma kelenjar mammae dengan prognosis dubius. Anjing ditangani dengan melakukan pembedahan (eksisi) untuk mengangkat masa tumor dan pemberian antibiotik amoxicillin dengan antiradang tolfenamic acid. Sepuluh hari pascaoperasi anjing kasus dinyatakan sembuh dengan luka operasi yang sudah kering dan menyatu.
Evaluation of the effectiveness of the erector spinae plane (ESP) block in endovideosurgical hernioplasty inguinal hernias
Authors: Shatalov V. I. , Belolipetskii S. S. , Strogonov A. I. , Shchegolev A. V. , Romashchenko P. N. , Semenov V. V.
Published: March 2023

The objective was to evaluate  the effectiveness of the erector  spinae plane block (ESP-block) as a component of perioperative analgesia in endovideosurgical  hernioplasty of inguinal hernias.

Materials and methods. The study included 70 patients who underwent endovideosurgical plastic surgery of inguinal hernias. All patients randomly divided into the main (n=32) and control  (n=38) groups, were given general combined anesthesia. In the main group, it was supplemented with the ESP-block, which was performed with ropivacaine at the L1 level. Intraoperatively, fentanyl was used for analgesia. The indication for its introduction was an increase in the Surgical Pleth Index (SPI) of more than 50. In the early postoperative period, ketoprofen and tramadol were used for analgesia, which were administered with the development of moderate  and high intensity of the pain. The effectiveness of the ESP-block was evaluated by comparing the total doses of analgesic drugs that were required for analgesia during surgery and in the early postoperative period in patients of both groups.

Results. In the main group, the total doses of fentanyl and ketoprofen were statistically significantly lower compared to the control group (p<0.01). After surgery, tramadol was used only in patients of the control  group. In some patients of the main group who required analgesia in the early postoperative  period (n=15), the pain syndrome  developed  only 12 hours after the end of the surgery. Their intraoperative need for fentanyl  did not differ from other patients of the main group (p>0.05).

Conclusion. In endovideosurgical hernioplasty of inguinal hernias, the use of the ESP-block as part of multimodal analgesia contributes to achieving a good level of analgesia both intra- and in the early postoperative period.
Frequency of typical complications of morphine during its intrathecal and epidural introduction in knee arthroplasty
Authors: Sokolov S. V. , Glushchenko V. A. , Mikhnin A. E.
Published: March 2023

The objective was to compare the efficacy and safety of morphine in neuraxial blocks during knee arthroplasty.

Materials and methods. A retrospective analysis of 60 medical histories of patients who underwent total knee arthroplasty for the period from 2017 to 2019 was performed. All patients were operated under  general anesthesia  with mechanical  ventilation in combination with epidural  or spinal analgesia with opiates. Patients of the 1st  group (n=20) after catheterization of the epidural space at the level of L1–2 were injected with a morphine solution 1% – 0.3 ml epidurally. Patients of the 2nd  group (n=20) were injected with a morphine solution 1% – 0.01 ml intrathecally at the level of L3–4. Patients of the 3rd group (n=20) underwent standard combined anesthesia:  general anesthesia  with mechanical  ventilation and epidural  analgesia at the level of L1–2  with a solution of 0.2% ropivacaine  in the form of an infusion of 6 ml/hour. All patients received infusion of 0.2% solution of ropivacaine  epidurally  6 ml/hour at the level of L1–2  in the postoperative period.

The incidence of nausea, vomiting, pruritus, headache and the level of postoperative pain syndrome were assessed on a numerical rating scale 6 hours after the end of the surgery.

Results. The level of pain syndrome in patients who received intrathecal and epidural analgesia with morphine was equally low, while in patients who received epidural  analgesia with ropivacaine,  the level of pain syndrome was statistically significantly  higher, which required  the additional prescription of non-steroidal anti-inflammatory drugs and/or narcotic  analgesics parenterally. The frequency  of nausea, vomiting,  pruritus and headaches was maximum in the 2nd  group, significantly lower in the 1st, while in the 3rd, pruritus did not occur.

Conclusion. The use of morphine in neuraxial block in knee arthroplasty has a positive effect on the quality of anesthesia and postoperative pain relief.
Preoperative pregabalin to prevent postoperative nausea and vomiting in laparoscopic cholecystectomy
Authors: Sahib A. A. , Sasaa M. A.Z. , Alagha M. F.H.
Published: March 2023

Background.  Postoperative laparoscopic  cholecystectomy period is often associated  with nausea and vomiting, which is stopped  by an antiemetics injected  intravenously. Meanwhile,  it is known  that  the  oral pregabalin  before surgery  to potentiate the  effect of opioids and nonsteroidal anti-inflammatory medications during anesthesia  also has an antiemetic effect.

The objective was to evaluate  the effect of oral pregabalin to reduce the frequency of postoperative nausea and vomiting in laparoscopic cholecystectomy  cases.

Methods and Materials. Randomized double blind study. One hundred patients of the American Society of Anesthesiology (ASA) class1 were tested and divided  into two groups. The first group did not receive any antiemetics preoperatively. The second group received 75 mg of oral pregabalin 30 minutes  before anesthesia.  We followed up patients postoperatively in the recovery room and general surgical ward for 24 hours, recorded  the incidence of nausea and vomiting, prescription of any antiemetics and developing their side effects. We assessed the risk of developing the incidence of postoperative nausea and vomiting by the use of the Koivuranta score.

Results. Statistical analysis using SPSS showed a significant  reduction of postoperative nausea and vomiting  in the second group (pregabalin) compared with the first group.

Conclusion. Preoperative 75 mg of oral pregabalin  has antiemetic effect on postoperative time. No significant  postoperative side effects were noted.
Opportunities of cerebroprotection in children in cardiac surgery (review of literature)
Authors: Ivkin A. A. , Balakhnin D. G. , Borisenko D. V. , Grigoriev E. V.
Published: March 2023

The analysis of the literature in the main search scientific systems was carried out to identify the current means of cerebroprotection. The assessment is given both to the familiar methods that  have become «traditional» for cardiac surgery (hypothermia, etc.) and pharmacological approaches that are less common in clinical practice: the use of melatonin,  ketamine.  The characteristics of some drugs that  are promising for solving this problem are also given.
Research on the export competitiveness of aquatic products and its influencing factors: A case study of Guangdong Province in China
Authors: Huang Li , Pi Chengxiu , Chen Youdong
Published: March 2023

Guangdong Province is a major producer of aquatic products in China, but its export has been lack of competitiveness. Based on data of aquatic products in Guangdong Province from 2009 to 2020, this paper analyzes the export competitiveness and influencing factors of aquatic products in Guangdong Province using an extended gravitational model and result show that production factor input and high-quality production management are the core factors to enhance the export competitiveness of aquatic products. The geographical distance of importing countries and GDP per capita have a significant positive impact; The impact of the fisheries industry and construction industry is significantly positive; Whether the exporting country is an APEC has a significant negative impact, indicating that the previous trade agreements have no effect on the improvement of the export competitiveness of aquatic products in Guangdong Province over time. It has no significant impact on fish breeding area, the number of processing enterprises above designated size and the openness of foreign trade. Reducing the density of aquaculture, increasing innovation, strengthening the supervision of aquatic products and improving the supporting facilities of related industries are important measures to improve the export competitiveness of aquatic products in Guangdong Province.
Fluctuación del precio del petróleo Brent debido a la guerra entre Rusia y Ucrania
Authors: Diaz Pinzon Jorge Enrique
Published: March 2023

Introducción: Desde que el 24 de febrero de 2022 se iniciara el conflicto entre Rusia y Ucrania ya se están observando consecuencias económicas a nivel mundial. Una de ellas fue el aumento del precio del petróleo BRENT, que cerró ese 24 de febrero en U$ 99,08. Metodología: El trabajo de investigación se realizó mediante un tipo experimental, para desarrollar la investigación se utilizó la base de datos del precio de cierre del barril del Petróleo Brent, durante el período comprendido entre enero el 2 de enero de 2022 al 3 junio de 2022. Resultados: la prueba t-student para muestras independientes arrojaron una Sig. (bilateral) < a 0,000, por lo tanto, rechazamos Ho y aceptamos Ha, es decir se evidencia que hay diferencias altamente significativas entre los promedios del precio de cierre del petróleo Brent antes y durante el conflicto en Ucrania. Conclusión: El precio del petróleo Brent sigue cautivo de fuertes oscilaciones como consecuencia de la guerra de Rusia en Ucrania. El primer día de la invasión a Ucrania el aumento fue del 2,31% con un precio de cierre del barril de 99,08 USD y cien días después del inicio del conflicto el 3 de junio de 2022 el precio del barril Brent aumento un 20,8%, y cotizó a 119,72 dólares por barril.

Palabras Clave: petróleo Brent, regresión lineal, coeficiente de determinación.
Purification of Biodiesel via Nanofluid using Liquid-Liquid Extraction in a Membrane Contactor
Authors: Mohammed Harith N. , Ahmed Suad H. , Abdulkarim Abdullah A.
Published: March 2023

Recently, attention has been paid to nanofluids due to their contribution to enhancing heat and mass transfer in different industrial applications. Consequently, a nanofluid composed of SiO2 nanoparticles (NPs) and distilled water as base fluid was adopted as a solvent to promote the removal of impurities, methanol, and glycerol, from crude biodiesel using liquid-liquid extraction in the membrane contactor. The presence of NPs significantly enhanced the methanol and glycerol removal efficiency. The optimum concentration of NPs in nanofluid was 0.01 wt%. It was found that adding 0.01 wt% of NPs to the distilled water increased the methanol removal efficiency from 76.4% to 93.1% upon using crude biodiesel with methanol and glycerol content of 2000 ppm and 1 wt%, respectively, at a constant flow rate of solvent and biodiesel of 200 mL min⎼1. Meanwhile, the glycerol removal efficiency increased from 76.2% to 94.5%. The results revealed that the solvent flow rate was the controlling mass transfer step.
Phacolytic glaucoma at a glance
Authors: Gonzalez-Arocha Carla Sofia , Gonzalez-Cortes Jesus Hernan , Treviño-Herrera Alan Baltazar
Published: March 2023

The objectives of this study were to report a case of phacolytic glaucoma with a lens-particle pseudohypopyon. This study was case report and literature review. A 66-year-old man with no comorbidities presented with gradual painless loss of vision in his left eye over 10 years. Ocular examination revealed visual acuity of 20/40 and light perception, for the right and left eye, respectively. The left eye slit-lamp examination disclosed extensive cornea guttae without edema or bullae, white fluffy material deposits on pupillary margin, poor mydriasis, hypermature cataract with intact lens capsule, and a mobile white cone-shaped deposit in the anterior chamber representing a lens-particle pseudohypopyon. Intraocular pressure was 32 mmHg. A B-scan ultrasonography was performed and showed increased anterior-posterior longitude due to posterior staphyloma and a large excavation of the optic nerve head. Corneal endothelial cell density was low, 880 cells/mm2. At this point, phacolytic glaucoma due to a hypermature cataract was diagnosed. Hypermature cataracts are commonly seen in developing countries and phacolytic glaucoma is a complication of a long-standing cataract.
Vatandaşlığın Dönüşümü: Türkiye’de Farklı Vatandaşlık Normlarına Eğilimler
Authors: ÇAKMAKLI Didem
Published: March 2023

Bu çalışmada Türkiye’de vatandaşların, liberal-hak eksenli, cumhuriyetçi-aktif, görev odaklı ve eleştirel vatandaşlık normlarına atfettikleri önem karşılaştırılmaktadır. Günümüzde liberal ve demokratik vatandaşlık normları liberal demokrasilerin gücüne ve sürdürebilirliğine işaret etmektedir. Bu çerçevede, Türkiye’de iyi vatandaşlığı tanımlayan değerlerin niteliği üzerine yapılacak bir çalışma, demokrasi tartışmalarına da katkı sağlayacaktır. Bu tartışmanın önemi küresel seviyede yükselişte olan otoriter ve popülist siyaset düşünüldüğünde daha da artmaktadır. Çalışmada, Uluslararası Sosyal Saha Çalışmaları Programı’nın (ISSP) 2014 yılında Türkiye’de vatandaşlık üzerine yaptığı anket çalışmasının verileri kullanılmıştır. Bulgular, karşılaştırılan tüm normların Türkiye’de destek gördüğüne işaret etmektedir. Fakat liberal, hak eksenli vatandaşlık normları ile görev odaklı vatandaşlık normları en yüksek desteği görmektedir. Türkiye’de vatandaşlık literatürü görev odaklı vatandaşlığın hiyerarşik ve pasif özelliklerine vurgu yapmaktadır. Dolayısıyla bulgular literatürdeki bu anlatıyı desteklemektedir. Bulgular, aynı zamanda, özellikle 1990’lardan itibaren Türkiye’de vatandaşlıkta daha liberal, aktif pratiklerle dönüşen ve günümüzde de daralan katılım alanlarına tepkisel bir vatandaşlık anlayışının da güçlendiğine işaret etmektedir. Görev odaklı ve hak eksenli vatandaşlık normlarının eşzamanlı olarak kuvvetle desteklenmesi iki önemli sonuca işaret etmektedir: 1) Türkiye’de hak eksenli vatandaşlık, vatandaşlık görevlerinden bağımsız değildir, 2) vatandaşlık görevlerine verilen değerin yanı sıra Türkiye’de liberal demokrasiyi koruyacak ve güçlendirecek nitelikte liberal ve demokratik vatandaşlık normları mevcuttur.
FORMULAS FOR AN EXPLICIT SOLUTION OF THE MODEL NONLOCAL PROBLEM ASSOCIATED WITH THE ORDINARY TRANSPORT EQUATION
Authors: Тихонов И.В. , Шон-Тунг В.Н.
Published: March 2023

Изучается специальная нелокальная задача для многомерного уравнения простого переноса. В качестве дополнительного условия взят интеграл, выражающий среднее по времени. Установлена теорема существования и единственности решения. Показано, что решение находится конструктивно, в явном виде, за конечное число итераций. Разработанный аппарат будет востребован в дальнейших исследованиях нелокальных задач для общего многомерного уравнения переноса.

A specific nonlocal problem for the multidimesional ordinary transport equation is studied. An additional condition for the time averages is given. The theorem of existence and uniqueness of solution is obtained. We show that the solution could be found constructively, explicitly, and in a finite number of iterations.
ON THE DENSITY OF A SPECIAL CLASS OF LIZORKIN FUNCTIONS IN A WEIGHTED LEBESGUE SPACE $L^{gamma}_p$
Authors: Половинкина М.В. , Рощупкин С.А.
Published: March 2023

Исследуется класс основных функций $Phi^{+}_{gamma},$ построенный по принципу пространств Лизоркина на основе смешанного преобразования Фурье - Киприянова - Катрахова. Первоначально такие классы функций, построенные на основе смешанного преобразования Фурье Бесселя, исследовались Л. Н. Ляховым. Введенные им пространства не могли учитывать «нечетные» порядки сингулярных производных. Но последние оказались принципиально необходимы в задачах определения фундаментальных решений дифференциальных уравнений (обыкновенных и в частных производных). Интегральное преобразование Киприянова - Катрахова (принадлежит классу преобразований Бесселя) приспособлено для работы с сингулярным дифференциальным операторам типа $D^{2m+k}_Bfrac{partial^k}{partial x^k}B^m_x,$ где k принимает значения 0 или 1, а $B^m_x$ - сингулярный дифференциальный оператор Бесселя, порядок дифференцирования равен 2m. Пространства основных функций, представляющие собой образы смешанного преобразования Фурье - Киприянова - Катрахова функций, исчезающих в начале координат и на бесконечности, рассмотрены в данной работе. Изучается возможность приближения функций из весовых классов Лебега $L^{gamma}_p$ со степенным весом $Pi|x_i|^{gamma_i},$ именно, доказана теорема о плотности $Phi^{+}_{gamma}$ в пространстве функций Лебега $L^{gamma}_p$.

We study the class of test functions $Phi^{+}_{gamma},$ constructed on the principle of Lizorkin spaces by means of mixed Fourier-Kipriyanov-Katrakhov transform. Initially, such classes of functions, constructed on the basis of a mixed Fourier-Bessel transform, were investigated by L. N. Lyakhov. The spaces introduced by him could not take into account “odd” orders of singular derivatives. But the latter appeared to be fundamentally necessary in the problems of determining the fundamental solutions of differential equations (ordinary and in partial derivatives). The integral Kipriyanov-Katrakhov transform (belonging to the class of Bessel transforms) is adapted to work with singular differential operators of the type $D^{2m+k}_Bfrac{partial^k}{partial x^k}B^m_x,$ where k takes values 0 or 1, $B^m_x$ is a singular differential Bessel operator and the order of differentiation is 2m. The spaces of the basic functions that represent the images of the mixed Fourier-Kipriyanov-Katrakhov transform of functions vanishing at the origin and infinity are considered in this paper. We study the possibility of approximating functions from weighted Lebesgue classes $L^{gamma}_p$ with power weight $Pi|x_i|^{gamma_i},$ namely, the density theorem $Phi^{+}_{gamma}$ in the Lebesgue function space $L^{gamma}_p$.
NUMERICAL SIMULATION OF LI-ION BATTERY THERMO-ELECTROCHEMICAL PROCESSES
Authors: Захаров П.Е. , Никифорова М.А.
Published: March 2023

Рассматривается численное моделирование термо-электрохимических процессов Li-ion аккумулятора на микроуровне. Математическая модель термоэлектрохимических процессов описывается нелинейными уравнениями для концентрации, потенциала и температуры. Область расчета состоит из трех подобластей: два электрода и электролит. На интерфейсе электродов и электролита происходит процесс интеркаляции и деинтеркаляции ионов лития, который описывается нелинейным уравнением Ботлера - Волмера. Основная сложность в численной реализации состоит в разрывности концентрации и потенциала на интерфейсе подобластей. Для учета разрывности в аппроксимации по пространству связанной системы используются смешанные конечные элементы: разрывные элементы Галеркина для концентрации, потенциала и непрерывные элементы Галеркина для температуры. Аппроксимация по времени выполнена с использованием чисто неявной схемы. Нелинейная система уравнений, полученная при аппроксимации, решается методом Ньютона.

We present a numerical simulation of thermo-electrochemical processes of a Li-ion battery. Mathematical model of thermo-electrochemical processes is described on a microscopic scale and contains nonlinear equations for concentration, potential and temperature. A Li-ion battery consists of three subdomains: two electrodes and the electrolyte. On the interface of electrodes and electrolyte there are Lithium ions intercalation and deintercalation processes which are described by the Butler-Volmer nonlinear equation. The main problem of numerical implementation is the discontinuity of concentration and potential at the interface of the subdomains. To take into account the discontinuity, we use mixed finite elements in spatial approximation of a coupled system: discontinuous Galerkin elements for concentration and potential and continuous Galerkin elements for temperature. The time approximation is performed using a fully implicit scheme. The nonlinear system of equations obtained by approximation is solved by the Newton method.
Invertion of infinite Gaussian matrices
Authors: Федоров Ф.М. , Павлов Н.Н. , Потапова С.В. , Иванова О.Ф. .
Published: March 2023

Исследовано существование левосторонних, правосторонних и двусторонних обратных матриц для так называемых гауссовых бесконечных матриц, т. е. для верхних бесконечных треугольных матриц с отличными от нуля элементами на главной диагонали. Доказано существование единственной двусторонней обратной матрицы для гауссовых матриц. Найдено явное выражение обратной матрицы для гауссовой матрицы любого порядка, в частности, и для бесконечного случая. Данное выражение удобно для его реализации на ПК, поскольку вычисления основаны на рекуррентных соотношениях. Такой подход можно распространить и для так называемых треугольных бесконечных матриц, т. е. для нижних бесконечных треугольных матриц с отличными от нуля элементами на главной диагонали. Таким образом, появляется возможность обращения бесконечной матрицы с бесконечным рангом, поскольку такие матрицы разлагаются на произведение двух матриц: треугольной и гауссовой матриц.

We study existence of the left inverse, right inverse and inverse of Gaussian infinite matrices (those are the upper infinite triangular matrices with nonzero elements on the main diagonal). The existence of a unique inverse of the Gaussian matrix is proved. Also, an explicit expression for the inverse of the Gaussian matrix of any order is found, including the infinite case. Implementation of this expression is very convenient, since calculations are based on recurrence relations. Such approach can be extended to triangular infinite matrices (those are the lower infinite triangular matrices with nonzero elements on the main diagonal). Thus, there is the possibility of inversion of an infinite matrix of infinite rank, since such matrices decompose into the product of two matrices, a triangular and a Gaussian.
Infant and Young Child Feeding Practice in Ethiopia and the Cost of Not Breastfeeding: Review
Authors:   Candidate in Food Security and Development, Addis Ababa University, Addis Ababa, Ethiopia, MA Alehegn , DY Ayal ,   Associate Professor of Disaster Risk Management and Sustainable Development, College of Development Studies, Addis Ababa University, Addis Ababa Ethiopia, AB Dagnew ,   Associate Professor of Geography and Natural Resource Management, College of Development Studies, Addis Ababa University, Addis Ababa, Ethiopia
Published: March 2023

The cornerstone of baby and young child survival, healthy growth and development, healthy future generations, and national development is infancy and young child feeding (IYCF). Inappropriate feeding practices in infants and early children, as well as their repercussions, are substantial roadblocks to longterm socioeconomic development and poverty reduction, with acute and chronic health effects for individuals. Breastfeeding exclusively for the first six months of a baby’s life is the safest and healthiest method for feeding. Articles were searched and accessed using key terms, like “Infant feeding practice”, “Exclusive feeding”, “Non-exclusive feeding”, “Formula feeding Practice”, “Cost of not breast feeding”, “Economic benefit of breast feeding”. 38 published articles, 7 global standards and guidelines, 4 EDHS result reports and one website were included in this review. From 2000 to 2016, the percentage of mothers who started nursing within one hour climbed from 51% to 73 percent, while the number of mothers who exclusively breastfed increased from 2000 to 2016. Child malnutrition is caused by a lack of effective breast feeding and complementary feeding, and many nations throughout the world are seeing a dramatic increase in the prevalence of malnutrition, resulting in the triple burden of malnutrition. In Ethiopia, inadequate breastfeeding causes 14,000 unnecessary child deaths, 5 million instances of diarrhea and pneumonia, $190 million in household costs, and $2 million in health-care costs. Artificial feeding can cost up to $1,200 per year for powdered formula, which is four times the expense of breastfeeding, which costs about $300 per year for additional food for a lactating mom. Parental literacy, delivery in the health Institutions, spontaneous vaginal delivery, higher number of ANC visits, PNC attendance, maternal counseling during pregnancy and child sex being female are some factors among positively associated with exclusive breast feeding, whereas, full-time employment of mothers, urban residency, high weight of baby, caesarean-delivery, low wealth index, younger maternal age and child sex being male are few to mention among negatively associated factors with exclusive breast feeding.
An Unsupervised Machine Learning Workflow for Assigning and Predicting Generality in Asymmetric Catalysis
Authors: Betinol Isaiah , Lai Junshan , Thakur Saumya , Reid Jolene
Published: March 2023

The development of chiral catalysts that can provide high enantioselectivities across a wide assortment of substrates or reaction range is a priority for many catalyst design efforts. While several approaches are available to aid in the identification of general catalyst systems there is currently no simple procedure for directly measuring how general a given catalyst could be. Herein, we present a catalyst-agnostic workflow centered on unsupervised machine learning that enables the rapid assessment and quantification of catalyst generality. The workflow uses curated literature data sets and reaction descriptors to visualize and cluster chemical space coverage. This reaction network can then be applied to derive a catalyst generality metric through designer equations and interfaced with other regression techniques for general catalyst prediction. As validating case studies, we have successfully applied this method to identi-fy-through-quantification the most general catalyst chemotype for an organocatalytic asymmetric Mannich reaction and predicted the most general chiral phosphoric acid catalyst for the addition of nucleophiles to imines. The mechanistic basis for catalyst generality can then be gleaned from the calculated values by deconstructing the contributions of chemical space and enantiomeric excess to the overall result. We conclude that broadly applicable catalysts may be more adaptative to changes in reactant structure because enantioinduction does not rely on a single set of noncovalent interactions. In contrast, some systems work by engaging in robust noncovalent contacts that do not change significantly in nature when the structure of the reaction component is altered. Finally, our generality techniques permit-ted the development of mechanistically informative catalyst screening sets that allow experimentalists to rationally select catalysts that have the highest probability of achieving a good result in the first round of reaction development. Overall, our findings represent a framework for interrogating and predicting catalyst generality, and this strategy should be relevant to other catalytic systems widely applied in asymmetric synthesis.
QBithm: towards the coherent control of robust spin qubits in quantum algorithms
Authors: Escalera-Moreno Luis
Published: March 2023

Many efforts have succeeded over the last decade at lengthening the timescale in which spin qubits loss quantum information under free evolution. With these design principles, it is now timely to zoom out and take the whole picture: concerning applications that require user-driven evolutions, qubits should be assessed within the desired algorithm. This means to test qubits under external control while relaxation is active, and to maximize the algorithm fidelity as the actual figure of merit. Herein, we pose and analytically solve a master equation devised to run one-spin-qubit algorithms subject to relaxation. It is handled via a code, QBithm, which inputs gate sequences and relaxation rates thus connecting with the longstanding work devoted to their ab initio computation. We calculate fidelities against relaxation and imperfections, and implement well-known pulse sequences quantitatively agreeing with experimental data. Hopefully, this work will stimulate the study of many-qubit systems driven under relaxation and imperfections in quantum algorithms.
A Computational and Experimental Examination of the CID of Phosphorylated Serine
Authors: Barnes George , Kolonko Kristopher , Lucas Kenneth , Poplawski Klaudia
Published: March 2023

We present and discuss results from direct dynamics simulations, DFT calculations, and experimental measurements of the collision induced dissociation (CID) of O-phosphorylation of serine (p-Ser). Moreover, parameters for the interaction potential suitable for use in CID simulations of phosphorylated species were obtained and reported. Within both experiments and simulations, the primary decomposition product is m/z 88. This agrees with previous studies, and simulations are consistent with the proposed primary mechanisms suggested in the literature for forming this product. Moreover, the simulations provided insight into subsequent decomposition pathways observed experimentally at larger collision energies.
A general organophotoredox strategy to difluoroalkyl bicycloalkane (CF2-BCA) hybrid bioisosteres
Authors: Dell'Amico Luca , Cuadros Sara , Goti Giulio , Barison Giorgia , Raulli Alfredo , Costa Paolo , Pelosi Giorgio , Bortolato Tommaso
Published: March 2023

Here, we report a mild approach to the construction of the difluoroalkyl bicyclopentane and bicycloheptane (CF2-BCP and CF2-BCHep) units, as the structural surrogates of para- and meta-substituted aryl ketones and aryl ethers. The chemistry is orchestrated by the key activity of a dihydrobenzoacridine photocatalyst (PC). Depending by the nature of the substrate, the PC engages in catalytic electron-donor acceptor (EDA) complex or promotes the direct reduction of the substrate (Ered up to -1.9 V vs SCE) through a single-electron transfer (SET) mechanism. These two convergent manifolds leads to the generation of the reactive R-CF2 radical that reacts trough a strain-release atom-transfer-radical addition (ATRA) process with the [1.1.1]- or [3.1.1]-propellane. The method is general and tolerant of a variety of functional groups, such as sulfones, amines, amides or alkynes (30 examples, yields up to 90%), and extendable to complex bioactive molecules, including aminoacids, dipeptides or carbohydrates. The structural features of the CF2-BCP hybrid bioisostere were investigated in the solid state by single crystal X-ray analysis. Finally, we synthesised a CF2-BCP analogue of a Leukotriene A4 (LTA4) hydrolase inhibitor, replacing the original aryl ether motif. Interestingly, in-silico docking studies indicated that this new molecule maintains the same arrangement and key interactions within the enzyme pocket.
Design and Validity of STEM Integrated Physics Electronic Teaching Materials to Improve New Literacy of Class XI High School Students
Authors: N Annisa , Asrizal Asrizal
Published: March 2023

The 21st century education demands the integration of STEM into learning to improve technology skills, and students' literacy skills can be increased. One of the ways teachers should guide students to face the challenges of the 21st century is by updating the learning resources used. However, in reality schools still use printed teaching materials, have not integrated STEM well, and students' knowledge and literacy are still low. One solution to this problem is to develop STEM-integrated electronic teaching materials (ETMS) to increase new literacy for class XI high school students. This research uses RD method with the Ploom development model. The research carried out is only limited to the development and prototype stages. The analytical technique used is the use of Aiken's V formula. The results of the first study were in the form of an ETMS design. The results of the second study are valid ETMS with an average value of 0.94. Based on the results of the study, two conclusions can be drawn. First, ETMS contains STEM development activities related to the facts of real world problems, technology and working principles, as well as mathematical concepts of physics. Second, the results of the prototype stage consist of self-evaluation and expert review. ETMS is valid based on five indicators of validity assessment, namely material substance, visual communication display, learning design, software utilization, and STEM assessment. This ETMS can be an alternative learning resource to improve students' new literacy.
Application of Problem Based Learning Model Assisted by Augmented Reality Media to Improve Students’ High Order Thinking Skills
Authors: Lespita Erin , Purwanto Andik , Syarkowi Ahmad
Published: March 2023

This study aims to determine the increase in the level of students’ High Order Thinking Skills (HOTs) after being given learning with a Problem Based Learning (PBL) model assisted by Augmented Reality (AR) media. This study was a quantitative research using Pre-Experimental method in the form of one group pretest-posttest design. The sample of this study was 31 students of class X IPA SMA Negeri 9 Bengkulu City. The research data was collected through 3 stages, namely the pretest, treatment using the Problem Based Learning model assisted by Augmented Reality media, and the post-test. The research data was processed with the help of statistical software package for social sciences (SPSS) 20. Data analysis was carried out through Statistical Descriptive Test, then Data Normality Test with Klomogorov Smirnov. The results of data analysis showed that the data sample was normally distributed with a significance value of 0.29, that is more than 0.05, and further data analysis used the Parametric Paired Pample T-test. Based on the data analysis, it was concluded that Ha was accepted with a sig. 2 tailed 0.00 is less than 0.05. Therefore, it can be concluded that there is an increase in the level of students’ High Order Thinking Skills after the implementation of the problem-based learning model assisted by augmented reality media with an N-gain value of 0.36 in the category of medium level of improvement.
Changing Priorities in the Distribution of the Tax Burden as a Condition for Ensuring the Transition to Advanced Development
Authors:   Financial University,  Moscow, Russia, Panskov V.G.
Published: March 2023

The subjects of the study are the tax burden on the economy and its impact on ensuring economic growth. The purpose of the work is to identify opportunities for the Russian business community to find its own financial resources for the transition to advanced development. It is established that despite the presence in the economy of relatively free funds invested in financial assets, only a small part of them is used to achieve innovative and investment goals to ensure the transition to advanced development. It is revealed that the main part of these funds is not long money and is at the disposal of organizations that do not determine the state of scientific and technological progress in the country. It is proved that the factor preventing organizations belonging to the most progressive branches of production from providing the state with a transition to advanced development is an increased tax burden on entrepreneurial activity. It is proved that the real tax burden of the Russian business community exceeds by an order of magnitude not only the average for the OECD countries, but also for each country that is a member of this organization. Conclusions are drawn that in order to conduct an effective tax policy that contributes to an increase in the pace of economic development, it is necessary to take into account the limits of the tax burden not for the economy as a whole, but separately for business and the population, since the indicator of the share of GDP redistributed through the tax system does not reflect the real situation in this area, since in conditions of insignificant participation of the population in the least affluent part of the country's population bears the brunt of the tax burden in the formation of state revenues. Possible directions of practical solution of the problem of effective distribution of the tax burden to accelerate the development of the Russian economy are formulated.