bluuebunny/crossref_metadata_2025 huggingface dataset:
PRMT1 Is Required for the Maintenance of Mature β-Cell Identity
Authors: Kim Hyunki , Yoon Byoung-Ha , Oh Chang-Myung , Lee Joonyub , Lee Kanghoon , Song Heein , Kim Eunha , Yi Kijong , Kim Mi-Young , Kim Hyeongseok , Kim Yong Kyung , Seo Eun-Hye , Heo Haejeong , Kim Hee-Jin , Lee Junguee , Suh Jae Myoung , Koo Seung-Hoi , Seong Je Kyung , Kim Seyun , Ju Young Seok , Shong Minho , Kim Mirang , Kim Hail
Published: December 2019

Loss of functional β-cell mass is an essential feature of type 2 diabetes, and maintaining mature β-cell identity is important for preserving a functional β-cell mass. However, it is unclear how β-cells achieve and maintain their mature identity. Here we demonstrate a novel function of protein arginine methyltransferase 1 (PRMT1) in maintaining mature β-cell identity. Prmt1 knockout in fetal and adult β-cells induced diabetes, which was aggravated by high-fat diet–induced metabolic stress. Deletion of Prmt1 in adult β-cells resulted in the immediate loss of histone H4 arginine 3 asymmetric dimethylation (H4R3me2a) and the subsequent loss of β-cell identity. The expression levels of genes involved in mature β-cell function and identity were robustly downregulated as soon as Prmt1 deletion was induced in adult β-cells. Chromatin immunoprecipitation sequencing and assay for transposase-accessible chromatin sequencing analyses revealed that PRMT1-dependent H4R3me2a increases chromatin accessibility at the binding sites for CCCTC-binding factor (CTCF) and β-cell transcription factors. In addition, PRMT1-dependent open chromatin regions may show an association with the risk of diabetes in humans. Together, our results indicate that PRMT1 plays an essential role in maintaining β-cell identity by regulating chromatin accessibility.
Servive Quality on Education Institution: Satisfaction Index and IPA (Case Study on Accounting Department of State Polytechnic of Malang)
Authors: . Sumiadji , Handoyo Futuh , Setiati Fita
Published: December 2019

The purpose of this study was to determine the level of student satisfaction towards the quality of service provided by the Accounting Department, State Polytechnic of Malang (Polinema), by comparing the actual service delivered by the institution to the one expected by the students. Respondents as samples were determined proportionally for each study program and class of as many as 100 students. The questionnaire was randomly given to respondents to obtain a response to service quality consisting of 5 (five) dimensions, namely tangible, reliability, responsiveness, assurance and empathy. Data analysis was descriptive analysis prosiding from descriping the data in term of the mean and frequency, and than measuring student satisfaction index and ending up with determining the service quality using importance-performance analysis (IPA). The results showed that  most respondents were DIV Management Accounting study program students, of whom the majority were female. The frequency of the students response for the quality of the received service fell into the catagory of very satisfying, which means that, in general, the quality of service received by students was very satisfying. There were found two dimensions in quadrant A where two forms of service quality must be improved immediately, four dimensions in quadrant B where six forms of service quality must be maintained, and all dimensions in quadrant D where eight forms of service quality in the short term may be ignored.
Merancang Sistem untuk Meningkatkan Kinerja Sumber Daya Manusia Menggunakan Metode Analytical Hierarchi Process (AHP) di PTPN V PKS Sei Pagar
Authors: Suherman Suherman
Published: December 2019

PTVN V PKS Sei Pagar merupakan BUMN yang bergerak dibidang pengolahan kelapa sawit menjadi CPO (Crude Palm Oil) dan inti sawit menjadi PKO (Palm Karnel Oil). Kinerja karyawan merupakan salah satu ukuran yang sering dipakai dalam menentukan efektifitas suatu perusahaan. Sebuah perusahaan tidak akan dapat berkembang apabila kinerja karyawannya juga tidak mengalami peningkatan apalagi dengan semakin tingginya tingkat persaingan yang ada pada dunia bisnis sekarang ini. Penelitian ini bertujuan untuk merancang sistem diperusahaan, penelitian pada tugas akhir ini menggunakan metode Analytical Hierarchi Process (AHP). Metode ini digunakan sebagai alat untuk menentukan sistem yang ingin dirancang, terdapat dua kriteria yang ingin dirancang yaitu variabel pelatihan dan variabel motivasi kerja, dengan menggunakan metode Analytical Hierarchi Process (AHP).Berdasarkan hasil penelitian didapat nilai prioritas tertinggi pada P1 yaitu sebesar 0,17, P1 itu sendiri yaitu pertanyaan dari variabel pelatihan, maka dengan hasil ini peneliti melakukan perancangan sistem pada variabel pelatihan. Perancangan sistem pelatihan diberikan pada sembilan stasiun diantaranya yaitu stasiun Sortasi, Loading Ramp, Sterilizer, Hosting Crane, Thresing, Digester, Screw Press, Klarifikasi dan stasiun Boiler. Perancangan sistem yang diberikan yaitu tentang bagaimana melaksanakan prosedur kerja, apa saja yang perlu diperhatikan saat menggunakan mesin, mengontrol setiap komponen mesin agar tidak terjadi kebocoran serta kerusakan yang mengakibatkan cidera atau kecelakaan yang dapat merugikan diri sendiri maupun perusahaan.
Analisa Risiko Rantai Pasok Lopo Mandailing Kopi dengan Pendekatan Sistem Traceability
Authors: Hartati Misra Hartati
Published: December 2019

Lopo Mandailing Kopi adalah sebuah nama produk kopi yang diproduksi oleh UKM KUB Perintis Harapan Mandailing Natal Sumatera Utara dengan Jenis kopi yang diproduksi adalah Arabica. Setiap aktivitas yang dilakukan oleh perusahaan termasuk sistem distribusi tidak akan terlepas dari ketidakpastian atau kejadian peristiwa tak terencana yang bisa mempengaruhi aliran bahan dan komponen pada rantai pasok (Svensson, 2000 dikutip oleh Handayani, 2013). Ketidakpastian dan dampak dari suatu peristiwa didalam rantai pasok dapat dikatakan dengan risiko (Sinha, 2004 dikutip oleh Handayani, 2013). Risiko tidak dapat dihindari akan tetapi dapat diminimalisir atau dihilangkan dengan melakukan penanganan risiko yang tepat. Lopo Mandailing Kopi ini sendiri memiliki struktur rantai pasok yaitu petani, pemasok, pabrik dan distributor. Permasalahan di perusahaan ini adalah seringnya terjadi risiko pada rantai pasok baik dia risiko cacat pada bahan baku maupun produk, sehingga perlu dilakukan identifikasi terhadap aktivitas rantai pasoknya untuk mengetahui apa saja risiko yang terjadi, dimana risiko tersebut terjadi dan apa penyebab risiko tersebut terjadi. Penelitian ini mengggunakan metode pendekatan sistem traceability dan dibantu dengan metode Supply Chain Operation Reference (SCOR). Traceability merupakan suatu sistem yang dapat meningkatkan transparansi dalam rantai supplai dalam mengurangi risiko klaim serta menemukan potensi risiko proses rantai pasok makanan (Liu, 2002 dikutip oleh Jaya, 2014). Berdasarkan identifikasi maka diperoleh total 29 kejadian risiko dari seluruh rantai pasok. Dan sesuai konsep 80:20 diagram pareto, maka terdapat 16 penyebab risiko yang menjadi prioritas untuk dilakukan penanganan.
Perencanaan Kebijakan Inventori Model Probabilistik Di CV. Bola Mas Pekanbaru
Authors: Anggraini Wresni
Published: December 2019

CV. Bola Mas merupakan perusahaan yang bergerak di bidang vulkanisir ban. Permasalahan yang terjadi di perusahaan ini adalah sering terjadinya stock out bahan baku yang menyebabkan terjadinya keterlambatan proses produksi. Hal ini terjadi karena tidak konstannya permintaan konsumen dan inventory lead time. Tujuan  penelitian ini adalah memberikan usulan kebijakan sistem persediaan dengan model probabilistik yang dapat meminimasi keterlambatan produksi dengan biaya yang optimal.  Berdasarkan analisis ABC terdapat 2 jenis bahan baku ragi ban yang akan dikendalikan yaitu  jenis KG 1000-20 dan LG 1000-20.  Metode Trend  Projection digunakan untuk meramalkan permintaan konsumen dan mengetahui jumlah kebutuhan bahan baku yang diperlukan dalam proses produksi. Setelah membandingkan total biaya persediaan yang dihasilkan dari model probabilistik metode P dan metode Q,  maka diketahui metode Q adalah metode yang lebih optimal.  Total ekspektasi biaya persediaan Rp. 2.702.151.080,-/tahun untuk ragi ban jenis KG 1000-20 dan Rp. 1.674.652.305,-/tahun untuk ragi ban jenis LG 1000-20 .
Analisa Program K3 di CV. Sispra Jaya Logam Dengan Konsep Traffic Light System
Authors: Permata Ekie Gilang
Published: December 2019

CV. Sispra Jaya Logam merupakan perusahaan Swasta Nasional yang bergerak dibidang industri pengecoran dan permesinan yang didirikan pada tahun 1992. Dalam proses pengecoran dan permesinan CV. Sispra Jaya Logam mengandung potensi bahaya yang dapat menimbulkan kecelakaan kerja. Hal ini dapat dilihat dari beberapa data kecelakaan kerja yang terjadi dari tahun 2013 sampai tahun 2015 yaitu terjadi 34 kecelakaan. Oleh karena itu penting sekali adanya pencegahan kecelakaan kerja untuk mengurangi risiko kecelakaan sedini mungkin. Pencegahan  kecelakaan kerja dapat dilakukan dengan melihat perilaku karyawan terhadap penerapan program K3 (keselamatan dan kesehatan kerja)  dan meningkatkan implementasi program K3. Dalam Penelitian Tugas Akhir ini untuk pengukuran tingkat implementasi program K3 yaitu dengan menggunakan Metode Traffic Light System, kemudian dilakukan usulan pembuatan SOP sebagai bentuk implementasi untuk melihat perubahan sikap atau perilaku karyawan terhadap penerapan program K3. Hasil dari kedua analisa diatas dugunakan untuk melihat sejauh mana tingkat implementasi program K3 yang telah dilakukan dan melihat perubahan perilaku karyawan terhadap penerapan program K3.
SITUS-SITUS ARKEOLOGI DI DAERAH GEGUNUNG SEBAGAI JEJAK PERMUKIMAN AWAL DI CIREBON
Authors: Saptono Nanang , Widyastuti Endang
Published: December 2019

Since a period of Hindu-Buddhist influence,Cirebon region has been an important area, although geographically not as a government center. The existence of the Huludayeuh inscription shows that the area was noticed by the rulers of the Sunda Kingdom. When the Sunda Kingdom suffered a setback and Muslim communities on the coast developed to form political power, the southern region of Cirebon flourished. One of the developing settlements is the Gegunung Village on the edge of Ci Pager. This study shows some archaeological objects in the area. The results of this study are expected to be used as input for policy decisions in the management of ancient relics. In Gegunung Village there are several petilasan as an early sign of the emergence of settlements. Based on oral traditions, the emergence and development of these settlements began with a border guard post.
Implementasi Sistem Informasi Aplikasi Pendidikan (SIAP) terhadap Pelayanan Publik di Dinas Pendidikan dan Kebudayaan Kota Serang
Authors: Riswanda Riswanda
Published: December 2019

A computer based service could be a measure of information-technology. The City of Serang Government adapts the principle of 'e-governance' as to measure the success of its public sector management. Educational Management Information System Apps (so-called SIAP) reflects the government efforts to come up with an up-to-date apps in terms of providing service in education. The apps nevertheless have to cope with some remaining issues come from its users. This research indicates such issues merely exist on the capacity of the apps to make it easy for users seeking data they look for when visiting either the website or when using the SIAP. The research approach is qualitative aims at measuring the web-based service quality. Cluster sampling was conducted to all population of the apps in Serang City to test out gaps between users perception and users expectation of the provided service. 'Webqual' is used as a analystical framework. The result indicates gaps within two domineering aspects namely the 'quality of information' (96,25) and the 'quality of interactions', whilst the 'functionality' aspect remains high (94.04).
ADOPSI DALAM PERSPEKTIF PEKERJAAN SOSIAL
Authors: Siregar Yolanda Triana , Santoso Meilanny Budiarti
Published: December 2019

ABSTRAK Adopsi merupakan salah satu upaya yang dilakukan pasangan suami istri untuk dapat memiliki kehadiran sosok anak di keluarga mereka. Di Indonesia, proses pengajuan dan prosedur adopsi telah jelas diatur dalam beberapa undang-undang dan ketetapan pemerintah yang berlaku. Namun dalam pelaksanaannya, masih ada berbagai permasalahan adopsi yang terjadi di Indonesia, antara lain kurangnya pemahaman dan pengetahuan masyarakat akan adanya prosedur pelaksanaan adopsi yang sah secara hukum, tidak adanya data valid mengenai jumlah adopsi di Indonesia, dan masih terjadinya sengketa antara orang tua angkat dan orang tua kandung akibat prosedur adopsi yang dilakukan secara private adoption. Metode yang digunakan dalam penulisan artikel ini adalah dengan menggunakan metode studi literatur. Hasil dari kajian yang dilakukan adalah diperlukannya upaya peningkatan informasi mengenai adopsi kepada masyarakat melalui kemudahan aksesibilitas layanan adopsi di tiap otoritas lokal. Hal ini dapat dicapai melalui integrasi yang baik antara pemerintah, lembaga sosial anak, pengadilan, dan pekerja sosial. Selain itu, pelayanan adopsi yang diberikan harus dipastikan sampai pada tahap pengawasan, pendampingan, dan penguatan terhadap pengasuhan calon orang tua angkat untuk menjamin terpenuhinya kebutuhan dan kesejahteraan anak di masa mendatang. Kata Kunci: adopsi anak, pekerjaan sosial  ABSTRACT Adoption is one of the efforts made by married couples to be able to have the presence of a child in their family. In Indonesia, the adoption procedures are clearly regulated in several laws and government regulations. But in its implementation, there are still various problems of adoption that occur, including a lack of knowledge in community regarding the legal adoption procedures, the absence of valid data of number adoptions in Indonesia, and the ongoing dispute between foster parents and biological parents due to adoption procedures carried out in private adoption. The method used in writing this article is a literature study method. The results of the study are the need for efforts to increase information on adoption to the community through the ease of accessibility of adoption services in each local authority. This can be achieved through good integration between the government, children's social institutions, courts, and social workers. In addition, the adoption services provided must be ensured to reach the stage of supervision, assistance, and strengthening of the care of prospective adoptive parents to ensure the fulfillment of the needs and welfare of children in the future. Keywords: child adoption, social work
Del mediocentrismo a un mirar antropológico sobre los medios
Authors: Rodríguez María Graciela
Published: December 2019

El objetivo de la presentación es contribuir a la reflexión sobre la producción de discursividades mediáticas, democracia y ciudadanía, dando cuenta de los fundamentos teóricos y políticos de las investigaciones “culturalistas” sobre los medios de comunicación en el contexto de sociedades atravesadas por una tendencia creciente al oligopolio mediático. Para ello, la primera parte está dedicada a presentar la especificidad del régimen de visualidad mediático que se conforma en términos de su relación con las modalidades de legitimación del relacionamiento social. En segundo lugar, expongo algunos hallazgos de nuestra investigación en el marco de la perspectiva de un “mirar antropológico” sobre los medios, que considero eficaz para desovillar los mecanismos culturales de las representaciones mediáticas. Por último, reflexiono sobre la relevancia de esta perspectiva para repensar, con Aníbal Ford y con Nick Couldry, cuestiones cruciales relacionadas con la ciudadanía y la democratización en dos líneas: una acerca de la calidad de la información de la que dispone la ciudadanía para la toma de decisiones; y otra sobre la relación, no siempre garantizada, entre visibilidad mediática y reconocimiento social y sus implicancias tanto para el análisis cultural como para las políticas de derechos.
Zümre Öğretmeler Kurulu Çalışmalarının Yönetim Süreçleri Temelinde İncelenmesi
Authors: YENİPINAR Şenyurt
Published: December 2019

Bu araştırmada müdürlerin zümre çalışmalarını yönetmede, yönetim süreçlerini uygulama durumlarını derinlemesine incelemek, güçlü ve zayıf yönlerini ortaya koymak ve önerilerde bulunmak amaçlanmıştır. Nitel araştırma desenindeki çalışmanın katılımcılarını okul müdürleri ve öğretmenler oluşturmaktadır. Araştırma sorularının yanıtlarına ulaşabilmek için veri çeşitlemesi (data triangulation) yöntemi kullanılmıştır. Müdürlerin zümre çalışmalarında yönetim süreçlerini nasıl kullandıkları müdür, öğretmen görüşleri ve zümre tutanaklarına dayalı olarak incelenmiş, betimlenerek yorumlanmıştır. Veriler 2018 yılında okulöncesi, ilkokul, ortaokul ve liselerdeki müdür ve öğretmenlerden toplanmıştır. Verilerin toplanmasında odak grup görüşmesi, yarı-yapılandırılmış görüşme ve doküman analizi teknikleri kullanılmış, betimsel analiz yöntemi ile analiz edilerek sonuçlara ulaşılmıştır. Çalışma sonunda: zümre yönetiminin güçlü yönleri olarak toplantıları planlama ve yapma, biçimsel denetim uygulama; amaç ve hedeflerin açık ve net planlanmaması, örgütlemenin yeteri kadar yapılmaması, müdürlerin toplantılara katılmamaları ve öğretmenleri etkileyememeleri gibi zayıf yönler olduğu sonuçlarına ulaşılmıştır. Değerlendirmede standart olabilecek açık ve net hedeflerin konulması ve zümrelerin yönetilmesi gerektiği düşüncesinin okul yöneticilerine hizmet öncesi ve hizmet içindeki yöneticilik eğitimleri ile verilmesi gibi önerilerde bulunulmuştur.
Development and yielding of Virginia fanpetals depending on some elements of agricultural practices
Authors: MOLAS ROMAN , BORKOWSKA HALINA , SKIBA DOMINIKA
Published: December 2019

In the years 2016–2018, two field experiments with species Sida hermaphrodita L. Rusby named Virginia fanpetals (syn. Virginia mallow) later in the manuscript as Sida, were carried out in the Świętokrzyskie province. They were located on light soil prone to drought. The experiments were established in a set of randomized blocks in triplicate. The results were statistically analyzed and significance of differences was assessed by Tukey’s test. In the first experiment, the influence of sowing dates (beginning, half, end of May) and fertilization before sowing (NPK: 20, 20, 40 kg∙ha–1 and control without fertilization) on the development of plants in the first growing year, were examined. In the second experiment, development and yielding of Sida after using three different propagation materials (seedling, root cuttings and seed sowing) in the first three years of cultivation, were compared. The test results clearly showed beneficial effect of pre-sowing fertilization compared to the control (without fertilization). From three May sowing dates, in three years on average, sowing in the middle of this month turned out to be the best. On the light soil prone to drought, the best conditions for growth and yield were provided by seedling and root cuttings, the least favorable – sowing seeds. The average heat of combustion was determined as 18.515 MJ∙kg–1.
Wartość biologiczna owoców kilku linii hodowlanych melona (Cucumis melo L.)
Authors: BUCZKOWSKA HALINA BARBARA
Published: December 2019

Melon należy do warzyw o dużej wartości biologicznej oraz specyficznych walorach smakowych. Dobre plonowanie zapewniają zabiegi polepszające warunki uprawy oraz odpowiedni dobór odmian. Celem niniejszej pracy było określenie wartości biologicznej owoców kilku polskich linii F1 przynależnych do typu saccharinus, w uprawie ekologicznej na glebie ściółkowanej czarną folią PE, w południowo-wschodniej Polsce (51.36°N, 22.83°E). Doświadczenie przeprowadzono w latach 2015–2016. Rozsadę wysadzano w I dekadzie czerwca w rozstawie 1,20 × 0,5 m. Z uprawy linii F1 melona otrzymano plon owoców handlowych 1,88–2,28 kg·m–2. Linie te charakteryzowały się owocami o średnio małej masie (0,66–0,74 kg), które zawierały dużo karotenoidów, cukrów ogółem i redukujących, ekstraktu oraz składników mineralnych, zwłaszcza potasu i żelaza. Takie owoce mogą stanowić atrakcję dla konsumentów na rynku detalicznym warzyw.
Impact of selected waste applications on soil compaction
Authors: PRANAGAL JACEK JULIAN , TOMASZEWSKA-KROJAŃSKA DOROTA , SMAL HALINA , LIGĘZA SŁAWOMIR
Published: December 2019

In the years 2014–2017, a field experiment was carried out, in which two types of waste were applied to soil. One of them was mineral waste – carboniferous rock from a hard coal mine, and the other – organic waste – post-fermentation sludge from agricultural biogas-producing plant. The experiment was an example of an action, in which soil management was associated with their drainage effects on the soil. The waste was applied to the light soil of low utility value, included in the V bonitation class (in polish soil quality classification) and the 6th complex of agricultural suitability (weak rye). According to the WRB classification, it was Haplic Podzol (PZha) developed from the post-glacial sand. The aim of the study was to analyze changes in soil compaction caused by a single introduction of waste. During the four-year study (2014–2017), the durability of these changes was also observed. It was found that the best effects of reducing the soil compaction were obtained as a result of the combined application of two wastes: carboniferous rock and post-fermentation sludge. Introduction of waste into the soil was also permanent, as differences resulting from the soil management continued in the fourth year of the experiment.
The influence of sowing date on initial growth and development of selected lawn varieties of Festuca arundinacea, Festuca rubra, Festuca ovina, Lolium perenne and Poa pratensis on a roadside bank
Authors: GAWRYLUK ADAM ŁUKASZ
Published: December 2019

Celem prezentowanych badań była ocena początkowego tempa wzrostu wybranych 5 gatunków traw, w celu określenia ich przydatności do szybkiego i skutecznego zadarniania przydrożnych skarp w dwóch terminach wysiewu, (wiosenny i późnojesienny). Badania przeprowadzono na skarpie usytuowanej wzdłuż drogi krajowej S17. Pomiary długości korzeni i wysokości siewek każdego gatunku wykonano w 10, 20, 30, 40, 50 i 60. dniu od daty siewu. Wykazano, że w warunkach prowadzenia doświadczenia gatunki traw różnią się tempem początkowego wzrostu. Terminy siewu miały istotny wpływ na tempo wydłużania korzeni i wzrostu siewek badanych gatunków traw, bowiem na obiektach z późnojesiennym terminem siewu wszystkie gatunki i odmiany charakteryzowały się najkrótszymi korzeniami i najniższymi siewkami. W obu terminach siewu, niezależnie od roku prowadzenia doświadczeń, siewki L. perenne charakteryzowały się najdłuższymi korzeniami i najwyższymi siewkami w porównaniu z pozostałymi gatunkami. Z kolei siewki P. pratensis w obu powtórzeniach charakteryzowały się najkrótszymi korzeniami i najniższymi siewkami w porównaniu z pozostałymi gatunkami.
Ocena porażenia żyta przez rdzę brunatną (Puccinia recondita f.sp. secalis) w warunkach sztucznej inokulacji
Authors: ŁĄCKA AGNIESZKA , NOWOSAD KAMILA , BOCIANOWSKI JAN
Published: December 2019

Ocenę podatności 766 genotypów żyta na porażenie przez rdzę brunatną (Puccinia recondita f. sp. secalis) przeprowadzono w doświadczeniu szklarniowym. Materiał do badań stanowiła kolekcja Katedry Genetyki, Hodowli Roślin i Nasiennictwa Uniwersytetu Przyrodniczego we Wrocławiu, a genotypy pochodziły z: DANKO Hodowla Roślin sp. z o.o. (oddziały w Choryni, Laskach, Sobiejuchach), Hodowli Roślin Smolice, Poznańskiej Hodowli Roślin oraz hodowli własnej Katedry Genetyki, Hodowli Roślin i Nasiennictwa Uniwersytetu Przyrodniczego we Wrocławiu. Zastosowano metodę obciętych liści na pożywce agarowo-benzimidazolowej na siewkach [Park i Felsenstein 1998]. Bonitacja stopnia porażenia roślin przez choroby dokonywana była w oparciu o czterostopniową skalę. Badane genotypy były istotnie statystycznie zróżnicowane pod względem stopnia porażenia rdzą brunatną. Istotne statystycznie różnice obserwowano również pomiędzy wartościami średnimi porażenia rdzą brunatną w grupach pochodzących z różnych programów hodowlanych. Największym średnim porażeniem rdzą brunatną charakteryzowały się genotypy pochodzące z Sobiejuch, natomiast najmniejszym z Wrocławia.
Assessment of Shear Stresses from Shrinkage and Thermal Deformation in Wood-Concrete Bridge Beams
Authors: Furtak K.
Published: December 2019

The aim of the paper is to assess the values of shear (delaminating) stress in the composition plane between the concrete (RC) deck slab and wood girder from concrete shrinkage, and shrinkage and swelling of wood, as well as difference in temperature between the wood web and concrete slab.
Freeze-Proof Durability of Concrete Incorporating Recycled Coarse Aggregate
Authors: Deng Xianghui , Xue Liyuan , Wang Rui , Gao Xiaoyue
Published: December 2019

The recycle of the building and demolition waste could reduce project expenses and save natural resources as well as solve problem about environmental risks incurred during the disposal of building waste. In this study, waste C30 concrete is taken an experimental material. The mass loss, ultrasonic velocity, dynamic modulus of elasticity and cubic compressive strength of recycled coarse aggregate concrete whose coarse aggregate replacement percentage is 25%, 50%, 75%, and 100% are tested and compared with NAC when the cycles of freezing and thawing are 0, 25, 50, 75, 100, 125, 150, 175, and 200 times. The results show: (1) Generally, the loss of mass, ultrasonic velocity, dynamic modulus of elasticity and cubic compressive strength constantly increase with the growth of freezing and thawing cycles. (2) Compared with the recycled concrete of other replacement percentages, the RAC50 shows relatively close performance to NAC in mass loss, the change of dynamic modulus of elasticity and cubic compressive strength. (3) Performances of RAC25 specimens are better than the other RAC specimens for the ultrasonic wave velocity.
Investigating the Performance of Isolation Systems in Improving the Seismic Behavior of Urban Bridges. A Case Study on the Hesarak Bridge
Authors: Edalati Ali Akbar , Tahghighi Hossein
Published: December 2019

This paper investigates the influence of isolation systems on the seismic behavior of urban reinforce concrete bridge. The performance of the Hesarak Bridge constructed in Karaj city, Iran with two isolation systems; i.e. the existing elastomeric rubber bearing (ERB) and a proposed lead rubber bearing (LRB) is discussed. The numerical model was implemented in the well-known FEM software CSIBridge. The isolated bridge has been analyzed using nonlinear time history analysis method with seven pairs of earthquake records and the results are compared for the two isolation systems. The LRB isolators are shown to have superior seismic performance in comparison with the existing ERB systems based on the response evaluation including force on the isolator, pier base shear, deck acceleration, bending moment, pier displacement, and energy dissipation.
The Structure of the Optimal Control in the Problems of Strength Optimization of Steel Girders
Authors: Mikulski Leszek
Published: December 2019

The paper concerns a strength optimization of continuous beams with variable cross-section. The continuous beams are subjected to a dead weight and a useful load, the six (seven) combinations of loads were analyzed. Optimal design problems in structural mechanics can by mathematically formulated as optimal control tasks. To solve the above formulated optimization problems, the minimum principle was applied. The paper is an introductory and survey paper of the treatment of realistically modelled optimal control problems from application in the structural mechanics. Especially those problems are considered, which include different types of constraints. The optimization problem is reduced to the solution of multipoint boundary value problems (MPBVP) composed of differential equations. Dimension of MPBVP is usually a large number, what produces numerical difficulties. Optimal control theory does not give much information about the control structure. The correctness of the assumed control structure can be checked after obtaining the solution of the boundary problem.
Evaluation of the effect of a modified proprietary poultry feed on cholesterol excretion in laying birds
Authors: Ikese Chris Oche , Ubwa Simon Terver , Adoga Sunday Ogakwu , Audu Stephen Inegedu , Akor Michael
Published: December 2019

The effect of modified proprietary poultry feed on cholesterol excretion in laying birds was evaluated. The study sort to lower the cholesterol content of eggs at the point of their physiological formation via a modification of the proprietary feed fed to laying poultry birds. This was with a view to lower the net cholesterol content in their eggs, thereby lowering the cholesterol levels available in such eggs for intake upon consumption. A 20% rice bran modification of the proprietary feed was made. Animal subjects were divided into experimental and control groups and the mean total cholesterol in their faecal droppings where determined before and after varying their feeding programs. Whereas the experimental group was fed with the modified feed, the control group was maintained on the unmodified feed. Enzymatic colorimetric method was used for the determination of mean total cholesterol in the dried faecal droppings of each group of birds under investigation. The results showed that the mean total cholesterol excretion before and after the modified feed regimen were 5.97±0.16 mg/g and 9.99±0.47 mg/g respectively and were found to be significantly different when compared using a t-test at p > 0.05 and 49 degree of freedom The results also showed that the modified proprietary poultry feed increased total cholesterol excretion in the faecal droppings of laying birds fed with the modified feed by 67.3%, and this was found to be statistically significant at p > 0.05. Hence, a 20% rice-bran modification of the proprietary feed yields a modified feed with a proven potency in elevating total cholesterol excretion while producing no drastic deviation from the proximate composition of the unmodified proprietary feed and is thus likely to have no adverse effect on the productivity of laying birds.
Differences between anthropometric indicators and the impact force of taekwondo kicks performed with the dominant and non-dominant limb
Authors: Górski Michał , Orysiak Joanna
Published: December 2019

Study aim: Taekwondo is known for its very dynamic sports fighting, in which the athletes perform strikes mainly with their lower limbs. The aim of the study was to compare the differences between the impact force of strikes performed with the dominant and non-dominant limbs and its correlation with anthropometric indicators.

Material and methods: Six elite Olympic taekwondo players took part in the research (20.0 ± 3.2 years, 185.0 ± 8.5 cm, 75.3 ± 10.9 kg). Body composition including body mass, percent of body fat (FATP), fat mass (FATM), fat-free mass (FFM) and muscle mass (MM) was determined by bioelectric impedance analysis. Maximal strike impact force (Fmax) and Fmax relative to FFM (Fmax · FFM−1) of roundhouse kick (dollyo chagi) and side kick (yop chagi) were measured using a dynamometric punching bag with an embedded accelerometer.

Results: We found significant differences between the dominant limb (DL) and non-dominant limb (NL) in anthropometric analysis: FATP was 10.52 ± 5.38 % and 11.32 ± 4.83 %, FFM was 11.87 ± 0.97 kg and 11.43 ± 1.09 kg, MM was 11.25 ± 0.92 kg and 10.82 ± 1.02 kg for DL and NL respectively. In dollyo chagi Fmax and Fmax · FFM−1 were higher for DL than NL and were 2733 ± 748 N and 2206 ± 778 N, 41.34 ± 8.16 N · kg−1 and 33.29 ± 9.02 N · kg–1 respectively. Yop chagi has a lower impact force compared to dollyo chagi. Fmax and Fmax · FFM−1 for DL and NL were 1763 ± 303 N and 1779 ± 372 N, 26.76 ± 3.07 N · kg−1 and 26.9 ± 3.57 N · kg–1 respectively. We found a significant correlation between Fmax in yop chagi and FFM (R = 0.83, p < 0.05).

Conclusions: Athletes should fight using a stance where the dominant limb is moved further away from the target in order to strike with maximum force.
Retirement, Predictive Factors of Retirement and Retirement Adjustment
Authors: Man Gabriela-Maria , Man Mihaela
Published: December 2019

Today, retirement is a process that many people have access to. This is due to the fact that global life expectancy has increased, and in many countries retirement, as a form of remuneration after years of work, is guaranteed by social security funds. For many members of society, the accessibility of retirement creates the need to know more about it. In this respect, the present article addresses the issue of defining retirement and lists the main predictors of retirement, or those factors related to the continuation of professional activity. At the same time, this article lists several factors, identified in the literature, as predictive factors of adjustment after retirement.
Assessment of Lower Body and Abdominal Strength in Professional Soccer Players
Authors: Michaelides Marcos A. , Parpa Koulla M. , Zacharia Anthos I.
Published: December 2019

The purpose of this study was to evaluate abdominal strength in professional soccer players and compare the findings to their lower body strength. An observational design was used to examine abdominal and lower body strength using two functional performance tests (a lower body isokinetic test and an isometric abdominal test, respectively). One hundred and thirty-two professional male soccer players from Cyprus’s first and second divisions participated in this study. Testing included three and twenty-five maximal concentric flexion and extension repetitions at angle speeds of 60°/s (degrees/second) and 300°/s, respectively. On a separate occasion, participants completed two trials on an isometric device (ABTEST Gen. 3 system) for evaluation of abdominal strength. At both isokinetic speeds of 300°/s and 60°/s, abdominal strength had low to moderate significant correlations (p < .05) with quadriceps and hamstring strength. Coefficients of determination (R2) demonstrated that the variability in isokinetic variables accounted for only 14-16% of the variability of abdominal strength. Abdominal strength appears to be high in professional soccer players, but is not dependent on the sports level and/or a playing position. The results of this study demonstrate that abdominal strength and knee joint strength need to be evaluated separately.
Could Ankle Muscle Activation Be Used as a Simple Measure of Balance Exercise Intensity?
Authors: Licen Jerica , Strojnik Vojko , Tomazin Katja
Published: December 2019

Few, if any, studies have reported the effects of intensity of balance exercise for balance training and rehabilitation. The aim of the present study was to find a relative measure of intensity of balance exercise. On this basis, we analysed ankle muscle activation in the sagittal plane with increasing difficulty for a one leg stance on a T-board. Ten adults (7 men, 24.1 ± 3.5 years; 3 women, 30.6 ± 5.8 years) performed 3 trials on a T-board within 6 randomly assigned stability levels. T-board swaying velocities in the sagittal plane were manipulated to attain different stability levels (conditions). Concurrently, angular distance of the T-board and active balance time (i.e., percentage of a total time balancing) under each condition were measured. Surface electromyography from the tibialis anterior, gastrocnemius and soleus were monitored during one leg stance. The surface electromyography amplitude in the time domain was quantified using the root-mean-square values. Significant effect of stability levels on angular distance (F5,45 = 3.4; p = 0.01) and velocity of the T-board (F5,45 = 4.6; p = 0.002) were obtained. Active balance time decreased by ∼15% (p = 0.001) from the maximal to the minimal stability conditions. The graded level of balance board stability conditions did not generate significantly higher root-mean-square values in any muscles and hence could not be used as a relative measure of intensity of balance exercise. These findings imply that there could be a plateau in difficulty of balance exercise for enhancement of ankle muscle activity.
Effects of Different Dietary Energy Intake Following Resistance Training on Muscle Mass and Body Fat in Bodybuilders: A Pilot Study
Authors: Ribeiro Alex S. , Nunes João Pedro , Schoenfeld Brad J. , Aguiar Andreo F. , Cyrino Edilson S.
Published: December 2019

The purpose of this study was to determine the effects of different amounts of energy intake in combination with progressive resistance training on muscle mass and body fat in bodybuilders. Eleven male bodybuilders (26.8 ± 2.3 years, 90.1 ± 9.7 kg, and 176.9 ± 7.1 cm) were randomly assigned into one of two groups: a group that ingested higher amounts of energy (G1, 67.5 ± 1.7 kcal/kg/d, n = 6), and a group that ingested moderate amounts of energy (G2, 50.1 ± 0.51 kcal/kg/d, n = 5). Both groups performed resistance training 6 days per week over a 4-week study period. Measures of body composition were assessed before and after the intervention period. For body fat, only the G1 presented significant changes from pre- to post-training (G1 = +7.4% vs. G2 = +0.8%). For muscle mass, both groups showed significant increases after the intervention period, with G1 presenting a greater increase compared to G2 (G1 = +2.7% vs. G2 = +1.1%). Results suggest that greater energy intake in combination with resistance training induces greater increases in both muscle mass and body fat in competitive male bodybuilders.
The Effect of Training Experience on Postural Control in Competitive Wrestlers
Authors: Rzepko Marian , Drozd Sławomir , Żegleń Patrycja , Król Paweł , Bajorek Wojciech , Czarny Wojciech
Published: December 2019

The aim of this study was to evaluate the effects of training experience in wrestling on postural control. Fourteen elite athletes with at least 8 years of wrestling training and competition experience participated in the study. The control group consisted of fifteen healthy adults who were not competitive athletes. The center of pressure (COP) trajectories were recorded with the use of an AMTI force plate at a sampling frequency of 50 Hz. The rambling-trembling decomposition method was used to analyze the COP trajectory data. The main finding was a significant effect of training experience on postural control in only the sagittal plane. Interestingly, significant differences in velocity were observed for the trembling component of the COP. All described variables were significantly higher in wrestlers. We hypothesized that balance training may lead to task-specific neural adaptations at the spinal and supraspinal levels. It was concluded that further research of high methodological quality is needed to determine the effect of training experience on balance control in elite athletes. Additionally, this effect should be observed in youth athletes, as it may be treated as a selection criteria in the training process.
Changes in Performance and Morning‐Measured Responses in Sport Rock Climbers
Authors: Magiera Artur , Roczniok Robert , Sadowska-Krępa Ewa , Kempa Katarzyna
Published: December 2019

The aim of this study was to determine changes in climbers’ hormonal, cardiovascular, neuromuscular, sleep and fatigue status, and their relationship with performance and workloads during a sport rock climbing camp. Mean difficulty of individual leading climbing routes (mean Difficulty) was calculated for six male, intermediate level sport rock climbers participating in a 2-week camp in Orpierre. Additionally, each morning climbers were tested for: cortisol (d-Cortisol) and testosterone (d-Testosterone) concentrations, testosterone/cortisol ratio (T/C), heart rate and heart rate variability in supine (d-L-HR, d-L-SD1, d-L-SD2) and standing positions (d-S-HR, d-S-SD1, d-S-SD2), difference in S-HR and L-HR (HR-S-L), maximal voluntary hand grip strength (MVC), sleep duration (Sleep) and the self-perception of fatigue (M-Fatigue). Only M-Fatigue and d-Testosterone did not change significantly during the camp. Changes in other variables were large and significant, especially in the second week of the camp when the mean Difficulty was > 70%. The greatest changes were noted on the last day, when T/C, HR-S-L, and Sleep decreased and d-Cortisol, d-L-HR, and d-SD1 increased. The monitoring of the uncoupling of neuromuscular, hormonal, and cardiovascular markers can be instrumental in determining the level of athletes’ morning fatigue and readiness during a climbing camp. An increase in d-Cortisol and a decrease in T/C and HR-S-L are relevant indicators of overreaching in sport climbers.
Interreligious Learning, Ricoeur, and the Problem of Testimonial and Hermeneutical Injustice
Authors: Moyaert Marianne
Published: December 2019

Ricoeur’s philosophy of religion as well as his suggestion that we may consider interreligious dialogue as a specific form of linguistic hospitality has inspired many to think through the challenges of interfaith learning in a post-secular age. I am one of those scholars who have found Ricoeur a particularly helpful conversation partner as I sought to create a nonviolent and transformative space of encounter in my interreligious classroom. In this article, I elaborate on how my lived experiences as an interreligious educator have made me wonder if Ricoeur’s philosophy of religion and his plea for interreligious hospitality are not actually limiting the critical potential of interreligious education. Ricoeur’s interreligious hermeneutics strongly resonates with a modern (Protestant) understanding of religion and its implicit, normative distinction between good (mature) and bad (immature) religiosity, which to this day belongs to the sociopolitical imagination of the majority in most Western European countries (this is certainly true for the Netherlands). It has been my pedagogical experience that this distinction between good and bad religion contributes to and reinforces testimonial and hermeneutical injustice in my classroom, which results in the marginalization of some of my students, especially those whose religious practice does not fit the understanding of what religion ought to be.
Methicillin-Resistant Staphylococcus Aureus in Community Settings: Spread of Drug Resistance and Uncontrollable Infections
Authors: Yamamoto T. , Wan T.W. , Khokhlova O. , Hung W.C. , Lin Y.T. , Peryanova O. , Teng L.J.
Published: December 2019

Methicillin-resistant Staphylococcus aureus (MRSA) is a major multidrug-resistant bacterial pathogen. The evolution of MRSA is dynamic posing an ongoing threat to humans. The evolution of MRSA includes horizontal gene transfer, which is mediated by mobile genetic elements, plasmids, and bacteriophages, and also mutations. In this review, we clarify the recent trends in MRSA from the perspectives of drug-resistance transfer and uncontrollable infections, particularly those occurring in community settings. We first address the role of MRSA as a disseminator of multidrug resistance. We have studied the cell-to-cell transfer of drug resistance, in which transfer frequencies range from 10-3 to 10-8. The mechanisms of drug-resistance transfers include the self-transmission of large plasmids, the mobilization of small nonconjugative plasmids, the generalized transduction of phages, and the transfer of transposons with circular intermediates. We then discuss uncontrollable infections. Although several anti-MRSA agents have been developed, uncontrollable cases of MRSA infections are still reported. Examples include a case of uncontrollable sepsis arising from a community-associated MRSA (CA-MRSA) with the ST8/SCCmecIVl genotype, and a relapsing severe invasive infection of ST30/SCCmecIVc CA-MRSA in a student athlete. Some of these cases may be attributable to unique adhesins, superantigens, or cytolytic activities. The delayed diagnosis of highly adhesive and toxic infections in community settings may result in CA-MRSA diseases that are difficult to treat. Repeated relapse, persistent bacteremia, and infections of small-colony variants may occur. To treat MRSA infections in community settings, these unique features of MRSA must be considered to ensure that diagnostic delay is avoided.
Possible Deleterious Impact of Glyphosate and its Commercial Formulation in Reproductive Health of Fishes
Authors: Argou-Cardozo I. , Zeidán-Chuliá F.
Published: December 2019

Glyphosate (GLY) is the active ingredient of Roundup® and it is the most utilized herbicide worldwide in the maintenance of conventional agricultural crops, and lawns in parks. A growing number of studies have associated environmental GLY to different pathologies such as obesity, diabetes, heart disease, Alzheimer’s disease, depression, and autism. Different fish species have been used for a long time as experimental biological models to measure the environmental impact of different substances. Therefore, the present study approached the possible association between the exposure to GLY / Roundup® and the ecotoxicological impact on fish reproductive health. With this goal, we performed a comprehensive analysis of the literature and its content by systematic review of international databases. Two independent electronic searches were performed on Medline / PubMed and Scielo for identifying relevant studies published in English up to September 2019. The application of inclusion / exclusion criteria settled the boundaries for this systematic review and after qualitative analysis of the data; we found evidences that suggest a link between the exposure to GLY / Roundup® with deleterious effects on reproductive health in eight different species of fish.
Mobile Ultrasound Systems as a Modern Tool for the Doctor
Authors: Dzhioeva O.
Published: December 2019

Miniaturisation of ultrasound equipment in the form of a tablet- or smartphone-sized scanner is the result of rapid development of modern medical technology. Availability of mobile ultrasound devices has changed our approach to diagnostics of many cardiovascular diseases. Mobile visualisation can be performed at the patient’s bedside and is simple in use. The information obtained from mobile visualisation, despite being incomplete, is of undoubtable value for rapid diagnosis which leads to early treatment onset. These devices possess unique characteristics: low cost, wide availability, safety, and precision. These characteristics make them usable in different clinical scenarios by operators of different specialties and expertise. Visualisation and interpretation of the images is done fast and provides useful diagnostic, prognostic and treatment data for each situation. This review devotes main attention to the regulation of application of mobile ultrasound devices, the notion of “focus cardiac ultrasound” and its differences from emergency and elective expert echocardiography protocols as well as limitations and numerous advantages related to usage of mobile ultrasound systems.
DOCTOR ROZINA NOIMANN: SEMINARS ON INTERCULTURAL СOMMUNICATION
Authors: Barashkov V. V.
Published: December 2019

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