bluuebunny/crossref_metadata_2025 huggingface dataset:
PENGEMBANGAN BAHAN AJAR MENULIS TEKS NARASI BERBASIS KEARIFAN LOKAL PADA SISWA KELAS X SMK SWASTA JAMBI TAHUN AJARAN 2016
Authors: Zahra Siti Fatimah
Published: February 2022

Tujuan dari penelitian ini adalah (1) mendeskripsikan gambaran pembelajaran menulis narasi di SMK serta mendeskripsikan penilaian siswa dan guru terhadap materi narasi pada buku teks pelajaran bahasa Indonesia, (2) mengembangkan modul pembelajaran menulis narasi berbasis kearifan lokal untuk siswa SMA/SMK, (3) mendeskripskan kelayakan modul pembelajaran menulis narasi berbasis kearifan lokal untuk siswa kelas X SMA/SMK. Penelitian dan pengembangan ini mengacu pada 10 tahap dari Borg and Gall yang disederhanakan menjadi 3 tahapan, yaitu penelitian dan pengumpulan informasi. Perencanaan pembuatan produk, dan pengembangan produk. Data diperoleh melalui penyebaran angket, wawancara, telaah buku teks pelajaran, validasi produk, dan uji coba terhadap siswa langkah-langkahnya meliputi :mengubah data kualitatif menjadi kuantitatif, tabulasi semua data yang diperoleh pada tiap aspek, menghitungskor rata-rata, danmengubahskor rata-rata menjadi ketagori. Hasil penelitian menunjukan bahwa (1) siswa masih kesulitan dalam menulis narasi, khususnya dalam mencari ide. Buku teks yang digunakan masih terlalu monoton baik dari penyajian maupun penugasan. Perlu adanya pengembangan materi pembelajaran, (2) modul yang dikembangkan berjudul “Menulis Teks Narasi Berbasis Kearifan Lokal”. Modul ini terdiri dari tiga bagian, yaitu pengenalan awal narasi, motivasi menulis, dan pengembangan bahan ajar menulis teks narasi berbasis kearifan lokal. Adapun hasil validasi modul pembelajaran dari ahli materi, guru bahasa Indonesia, dan uji coba terhadap siswa menunjukan bahwa aspek isi memperoleh rata-rata skor 4,49 berkategori “sangat baik”, aspek bahasa memperoleh rata-rata skor 4,66 berkategori “sangat baik”, aspek penyajian memperoleh rata-rata skor 4,68 berkategori “sangat baik”, dana spekkegrafikan memperoleh rata-rata skor 4,71 berkategori “sangat baik”, (3) modul pembelajaran memperoleh rata-rata skorakhir 4,63 berkategori “sangat baik” dengantingkat kelayakan 92,6% dan dinayatakan sangat layak digunakan.
Faktor-faktor yang Mempengaruhi Kebijakan Dividen pada Bank yang Terdaftar di Bursa Efek Indonesia
Authors: - Henny Ritha , - Tria Anisa
Published: February 2022

This research is aimed to analyze the effect of profitability, cash ratio, debt to equity ratio, size, and growth on dividend policy in Indonesia Stock Exchange from 2008 to 2013. The sample was selected by using purposive sampling technique. Technique analysis used panel data regression analysis with Microsoft Excel 2010 data processing and Eviews.8. From the results of the panel data processing, the Fixed Effect Model approach is obtained as the best model for estimating panel data regression model. The research proves that partially, profitability and cash ratio have negative and significant impact on dividend policy. Meanwhile, debt to equity ratio, size, and growth did not have any significant impact on dividend policy. An ability of independent variables state the dependent variable  48.78%, meanwhile the remaining  51.22% is influenced by other variables.
Analisis Kualitas Layanan Toko Online terhadap Kepuasan Masyarakat
Authors: Samvara Made Adhiguna , - Hidayanti
Published: February 2022

Online stores are generally known as e-commerce or electronic commerce is an industry type where the sale and purchase of products / services is done through the internet media. As we all know, the development of online business in Indonesia continues to experience rapid increase and progress by using internet media. This study aims to determine the types of online store services that are most often complained of by people in Medan in the use of buying and selling transactions,  how does the influence of the quality of online shop services on the satisfaction of public transactions in the city of Medan,  service quality factors that have a dominant influence on the satisfaction of people in the Medan City transaction and what improvement efforts should be made by the online store company in improving the quality of service to achieve satisfaction of public transactions in the city of Medan. The hypothesis of this study is the quality of service significantly influences the satisfaction of the people of Medan. The results showed that the service most frequently complained by the people was that the goods purchased did not match what was received. The results also showed that the quality of services provided by the company affected the level of satisfaction of public transactions in the city of Medan with a coefficient of determination of 66.2% variable reliability was the most dominant determinant of service quality that could increase the satisfaction of public transactions in the city of Medan.
Educación indígena en el Chaco (Argentina): identidad étnica, participación e interculturalidad. De la historia reciente a la actualidad
Authors: Almiron Victoria Soledad , Palma Romina Marilin , Barboza Tatiana Sabrina
Published: February 2022

El presente trabajo pretende historizar los sentidos otorgados a las nociones de participación indígena, identidad étnica e interculturalidad, en propuestas y políticas educativas destinadas a indígenas del Chaco. Focalizando en el recorte temporal correspondiente a la historia reciente y la actualidad, y en dos períodos: las décadas de 1960-1970 y el desarrollo de la Educación Bilingüe Intercultural entre los años 2010-2014. Metodológicamente, el estudio recupera los resultados obtenidos en el marco de investigaciones acreditadas por organismos científicos, y para la descripción empírica se recurre al análisis documental (normativas educativas, documentos elaborados por organizaciones indígenas o no indígenas), y a testimonios obtenidos por medio de entrevistas en profundidad.
Investigación y colaboración en diálogo
Authors: Diez María Laura , Novaro Gabriela , Fariña Francisco , Ferreiro Julieta , Varela Melina Damiana
Published: February 2022

En este trabajo reflexionamos sobre una experiencia de colaboración realizada en el marco de nuestras investigaciones con población boliviana que vive en Argentina. Analizamos la participación en un programa radial que sostenemos desde el año 2019 en la Colectividad Boliviana de Escobar(provincia de Buenos Aires). Esta experiencia se realizó como parte de las actividades que desde hace años desarrollamos con las familias, organizaciones de migrantes y escuelas de esta localidad.

Procurando vincular nuestras investigaciones con la experiencia, nos detenemos en las relaciones previas que facilitaron el programa y las que este habilitó, así como en las temáticas que formaron parte de las emisiones: vivencias escolares en Bolivia y Argentina; recuerdos que marcan historias de vida entre allá y acá; aprendizajes en las experiencias transnacionales; importancia de la lengua quechua, el trabajo y las situaciones recreativas y festivas en relación con las pertenencias identitarias.Desde este recorrido, exploramos el lugar de la colaboración en el desarrollo de investigaciones etnográficas en educación.
SOBRE OS DIREITOS NATURAIS DAS CRIANÇAS: UMA EXPERIÊNCIA COM A COZINHA DE LAMA EM UMA ESCOLA INFANTIL BRASILEIRA
Authors: Marques Circe Mara , De Lima Pires Ana Paula
Published: February 2022

Este artigo trata dos direitos naturais das crianças. O estudo teve como objetivo implementar um espaço de brincadeira com elementos da natureza no pátio de uma escola pública de educação infantil, localizada em um município da região Sul do Brasil. Metodologicamente a investigação consistiu em uma pesquisa-ação com a participação de 17 crianças de quatro a cinco anos. Ao longo da pesquisa as crianças participaram do planejamento, captação de recursos, construção e organização de uma ‘cozinha de lama’. A implantação do espaço contou com apoio da equipe da Secretaria Municipal de Educação (SME), famílias e pequenos empresários locais. Os resultados mostraram que a relação das crianças com a natureza é atravessada tanto pelas experiências lúdicas com a terra e a água, como pela cumplicidade dos adultos, familiares e professores, na condição de mediadores positivos dessa relação.

Palavras-chave: Brincar; Educação infantil; Natureza; Direitos naturais
Recent Progress of Magnetically Actuated DNA Micro/Nanorobots
Authors: Liu Fengyu , Liu Xiaoming , Huang Qiang , Arai Tatsuo
Published: February 2022

In the past few decades, the field of DNA origami-based micro/nanotechnology has developed dramatically and spawned attention increasingly, as its high integrality, rigid structure, and excellent resistance ability to enzyme digestion. Many two-dimensional and three-dimensional DNA nanostructures coordinated with optical, chemical, or magnetic triggers have been designed and assembled, extensively used as versatile templates for molecular robots, nanosensors, and intracellular drug delivery. The magnetic field has been widely regarded as an ideal driving and operating system for micro/nanomaterials, as it does not require high-intensity lasers like light control, nor does it need to change the chemical composition similar to chemical activation. Herein, we review the recent achievements in the induction and actuation of DNA origami-based nanodevices that respond to magnetic fields. These magnetic actuation-based DNA nanodevices were regularly combined with magnetic beads or gold nanoparticles and applied to generate single-stranded scaffolds, assemble various DNA nanostructures, and purify specific DNA nanostructures. Moreover, they also produced artificial magnetism or moved regularly driven by external magnetic fields to explain deeper scientific issues.
Integrated Au-Nanoroded Biosensing and Regulating Platform for Photothermal Therapy of Bradyarrhythmia
Authors: Fang Jiaru , Liu Dong , Xu Dongxin , Wu Qianni , Li Hongbo , Li Ying , Hu Ning
Published: February 2022

Bradyarrhythmia is a kind of cardiovascular disease caused by dysregulation of cardiomyocytes, which seriously threatens human life. Currently, treatment strategies of bradyarrhythmia mainly include drug therapy, surgery, or implantable cardioverter defibrillators, but these strategies are limited by drug side effect, surgical trauma, and instability of implanted devices. Here, we developed an integrated Au-nanoroded biosensing and regulating platform to investigate the photothermal therapy of cardiac bradyarrhythmia
in vitro
. Au-nanoroded electrode array can simultaneously accumulate energy from the photothermal regulation and monitor the electrophsiological state to restore normal rhythm of cardiomyocytes in real time. To treat the cardiomyocytes cultured on Au-nanoroded device by near-infrared (NIR) laser irradiation, cardiomyocytes return to normal for long term after irradiation of suitable NIR energy and maintenance. Compared with the conventional strategies, the photothermal strategy is more effective and convenient to regulate the cardiomyocytes. Furthermore, mRNA sequencing shows that the differential expression genes in cardiomyocytes are significantly increased after photothermal strategy, which are involved in the regulation of the heart rate, cardiac conduction, and ion transport. This work establishes a promising integrated biosensing and regulating platform for photothermal therapy of bradyarrhythmia in vitro and provides reliable evidence of photothermal regulation on cardiomyocytes for cardiological clinical studies.
Окремі підходи до підвищення точності стрільби артилерійських гармат
Authors: Петушков Володимир Валерійович , Зубарєв Олександр Валерійович , Щетінін Володимир Олегович
Published: February 2022

У статті проводиться аналіз помилок, що супроводжують стрільбу артилерії. Висвітлено підходи до підвищення точності  стрільби артилерії за рахунок оснащення гармат автоматизованими системами управління вогнем та балістичними радарами,  впровадження унікального маркування снарядів
Multi-Criteria Optimization in the Design of High-Load Systems
Authors: Tupalo Yaroslav
Published: February 2022

The current stage of development of science and technology is characterized by a significant complication of the tasks. The development of the economy to produce a situation where the development, implementation and operation of complex technical and socio-technical systems have to be in conditions of fierce competition. This is necessary to reduce the time of development and implementation of new technologies, especially in high-load systems. Highly loaded systems are, by and large, the same websites, only with a very large audience, and as a consequence with a large load, which requires an optimized server part of the site. A qualitative characteristic for a highly loaded system is the bandwidth of this system, it describes the amount of work that must be able to perform the system per unit time. The development of highly loaded systems is time consuming and poorly formalized. Since the production of high-load systems is one of the most dynamically developing areas in the field of information technology, which is demonstrated by a significant annual increase in volumes. In the practical task of decision-making, there is often a situation where you cannot limit yourself to considering a single criterion for choosing a decision. An attempt at mathematical formalization of such problems has led to the creation of the Theory of Multicriteria Optimization, which is used in the development of methods, intended for support of decision makers, in the presence of several criteria. The steps for construction of algorithm of multicriteria optimization in designing of highly loaded systems, carries out search of solutions of a maximum in a multicriteria problem are resulted. The algorithm was based on the descent method in Simplex problems. Simplex method - an algorithm for solving the optimization problem of linear programming by searching the vertices of a convex polyhedron in multidimensional space. Multicriteria optimization is based on finding solutions in problems with a large number of options. Now the type of tasks is very resource-intensive and is calculated using computers. Keywords: high-load data systems, high-load computing system.
Blockchain for Industry 4.0: A Far reaching Survey
Authors: Septiansyah Raul , Rachmat Hadis  , Sugina  , Ulis Bella
Published: February 2022

Because of the multiplication of ICT during the most recent couple of many years, there is a dramatic expansion in the use of different brilliant applications, for example, shrewd cultivating, savvy medical care, production network and coordinated factors, business, the travel industry and friendliness, energy the executives and so forth Nonetheless, for all the previously mentioned applications, security and protection are main pressing issues keeping taking into account the use of the open channel, i.e., Web for information move. Albeit numerous security arrangements and guidelines have been proposed throughout the years to improve the security levels of previously mentioned brilliant applications, yet the current arrangements are either founded on the incorporated engineering (having weak link) or having high calculation and correspondence costs. Also, a large portion of the current security arrangements has focussed just on a couple of viewpoints and neglect to address adaptability, strength, information stockpiling, network dormancy, suitability, changelessness, and detectability. To deal with the previously mentioned issues, blockchain innovation can be one of the arrangements. Spurred from these realities, in this paper, we present an orderly audit of different blockchain-based arrangements and their pertinence in different Industry 4.0-based applications. Our commitments in this paper are in four creases. First and foremost, we investigated the present status of-the-craftsmanship arrangements in the blockchain innovation for shrewd applications. Then, at that point, we outlined the reference design utilized for the blockchain relevance in different Industry 4.0 applications. Then, at that point, benefits and bad marks of the customary security arrangements are additionally talked about in contrast with their countermeasures. At long last, we gave a correlation of existing blockchain-based security arrangements utilizing different boundaries to give profound bits of knowledge to the perusers about its appropriateness in different applications.
Analysis of Infectious Complications of Artificial Vascular Prostheses after Operations on the Aorta-Iliac-Femoral Segment
Authors: Дорошко Е.Ю. , Лызиков А.А. , Тихманович В.Е. , Каплан М.Л.
Published: February 2022

Цель. Проанализировать факторы развития инфекционных осложнений искусственных сосудистых протезов и результаты повторного хирургического лечения. Материалы и методы. Проанализированы 609 медицинских карт стационарных пациентов. Выявлено и проанализировано 25 случаев инфицирования синтетического кондуита после реконструктивных сосудистых вмешательств на аорто-подвздошно-бедренном сегменте. Результаты. В статье описаны инфекционные осложнения пациентов с искусственными сосудистыми протезами. Выявлен возможный инфекционный агент. Определены пути инфицирования сосудистого протеза и временной период развития инфекционных осложнений. Приведены результаты активной хирургической тактики при инфицировании синтетических сосудистых протезов. Выводы. Частота инфицирования искусственных сосудистых протезов после реконструктивных операций в аорто-подвздошно-бедренном сегменте составила 4,1%. Установлена значимая роль контактного пути и бактерий рода Staphylococcus в развитии инфицирования искусственных сосудистых протезов. Развитие инфекционных осложнений преимущественно происходило в течение 1,5 года от момента операции, и установлена 16,7% летальность пациентов, несмотря на хирургическое лечение.

Purpose. To analyze the factors of infectious complications of artificial vascular prostheses and the results of repeated surgical treatment. Materials and methods. We analyzed 609 medical records of inpatient patients. We identified and analyzed 25 cases with synthetic conduit infection after reconstructive vascular interventions on the aorta-iliac-femoral segment. Results. The article describes the infectious complications of patients with artificial vascular prostheses. A possible infectious agent has been identified. The ways of infection of the vascular prosthesis and the time period of development of infectious complications were determined. The results of active surgical tactics in the infection of synthetic vascular prostheses are presented. Conclusions. The infection rate of artificial vascular prostheses after reconstructive operations in the aorta-iliac-femoral segment 4.1%. A significant role of the contact pathway and bacteria of the genus Staphylococcus in the development of infection of artificial vascular prostheses has been established. The development of infectious complications mainly occurred within 1.5 years from the moment of surgery and a 16.7% mortality rate of patients was established, despite active surgical treatment.
Hyperimmunoglobulin D Syndrome. Clinical Case
Authors: Быстренкова Ю.Н. , Тихонова Е.С. , Дугина М.А.
Published: February 2022

Гипериммуноглобулин-D-синдром - редкое аутосомно-рецессивное заболевание, в основе которого лежит мутация в гене мевалонаткиназы. Первые симптомы заболевания появляются в раннем возрасте. Клинические проявления включают периодическую лихорадку с ознобами, генерализованную лимфаденопатию, афтозные поражения слизистой полости рта, суставной синдром. Диагноз подтверждается молекулярно-генетическим исследованием. В статье описан случай гипериммуноглобулин-D-синдрома у девочки 5 лет. Вопрос о лечении детей с синдромом периодической лихорадки с дефицитом мевалонаткиназы остается открытым.

Hyperimmunoglobulin D syndrome is a rare autosomal recessive disorder that is based on a mutation in the mevalonate kinase gene. The first symptoms of the disease appear at an early age. Clinical manifestations include periodic fever with chills, generalized lymphadenopathy, aphthous lesions of the oral mucosa, articular syndrome. The diagnosis is confirmed by molecular genetic testing. The article describes a case of hyperimmunoglobulin D syndrome in a 5-year-old girl. The question of the treatment of children with recurrent fever syndrome with mevalonate kinase deficiency remains open.
Pendidikan Kesehatan Media Booklet Mengurangi Kecemasan Ibu pada Imunisasi Dasar di Era Pandemi Covid-19
Authors: Aritonang Juneris , Lumbantoruan Mestika , Sirait Asima , Andayani Kristimone
Published: February 2022

The Covid-19 pandemic has changed customary procedures, including causing disruptions in routine immunization programs. At the beginning of the Covid-19 pandemic in Indonesia, posyandu services had stopped and finally, during the implementation of immunization service activities, there was a decline. Data from observers of child immunization found that 83.9% of immunization services were disrupted due to the Covid-19 pandemic, the results in April 2020. One of factors was the feeling of worry and fear of mothers being infected with Covid-19 in health facilities including posyandu. Education is needed to change behavior of individuals for the better on this matter. This study aims to analyze health education with booklets on maternal anxiety in providing basic immunization in the era of the Covid-19 pandemic. The design of this study used quasi-experimental, data analysis using the Mc. Nemar. The results, there was an effect of providing health education with booklet media on the anxiety of mothers of babies 0-12 months in giving immunizations in the era of the covid-19 pandemic in the Desa Pekan Tanjung Morawa in 2021 with a p-value 0.015. There was a decrease in the number of respondents with mild anxiety from 65% to 33%, and no more respondents with moderate anxiety levels were found. The number of respondents who were not anxious increased by 39 people. The results of this study need to be carried out holistically related to immunization during the pandemic and others using booklets. 

Keywords: Health Education, Immunization, Maternal Anxiety, Media Booklets , The Covid-19 Pandemic
Prevalensi Konstipasi Pada Ibu Hamil
Authors: Fransisca Retno Asih
Published: February 2022

Constipation is a complaint of the gastrointestinal system that is commonly experienced by pregnant women, which can affect physical, psychological, social health, and quality of life. There has been no research related to the prevalence of pregnancy constipation in Banyuwangi. This study aims to provide an overview of the prevalence of constipation in pregnant women based on the Rome II criteria. This research method was descriptive with a cross sectional approach to 715 pregnant women with gestational age of 13-16 weeks, 27-30 weeks, and 36-39 weeks, singleton pregnancies, and became research respondents in five primary health care facilities in Banyuwangi. Pregnant women who met the criteria and came to the primary health care facilities sequentially (consecutive sampling) were given a questionnaire containing seven questions about symptoms of constipation according to the Rome II criteria. The results of the study were 17.8% of 715 pregnant women were constipated. The prevalence of constipation in the third trimester (19.3%) was higher than in the first (17.3%) and second trimester (16.4%). Pregnant women who are working, highly educated, and primigravida show a higher prevalence of constipation. The conclusion of the study is that constipation in all trimesters of large pregnancy is characterized by the consistency of hard and strong stools at one time in four defecations for four weeks. Constipation screening and counseling is important for midwives at the initial contact, especially in first-level of health facilities.

 

Keywords: Constipation, Pregnant Women
TRABALHO, CAPITALISMO E CLASSE TRABALHADORA
Authors: Camillo Eliane Juraski , Moura Dante Henrique
Published: February 2022

O presente artigo debruçou-se, pelas vias da pesquisa bibliográfica, na tarefa de desenvolver um breve panorama histórico acerca da evolução da categoria Trabalho, contemplando elementos do pensamento marxiano até a atualidade marcada pela sua precarização, no bojo da Economia do Compartilhamento (EC), modalidade econômica que vem exacerbando a uberização do trabalho. Ao recorrer à teoria marxista, nós, pesquisadora e pesquisador anã/anão, tentamos subir em ombros de autores e autoras gigantes, no afã de enxergar um pouco mais além as nuances que montam o vasto caleidoscópio que envolve a temática. Afinal, o que é o trabalho? Como podemos defini-lo? Que elementos não poderiam ser desprezados ao se montar um breve panorama histórico acerca de sua evolução, desde as elaborações de Marx e Engels até a atualidade, marcada pela uberização e precarização?
DO ATIVISMO SOCIAL A REVITALIZAÇÃO DO SINDICATO DOS METALÚRGICOS DO POLO NAVAL E OFFSHORE DE RIO GRANDE/RS
Authors: D'Avila Ana Paula
Published: February 2022

O objetivo deste artigo consiste em reconstituir o processo de revitalização sindical, ocorrido entre 2012 e 2017, devido à ampliação intensa e veloz da categoria de metalúrgicos no Polo Naval e Offshore de Rio Grande. O referido processo foi marcado por intensas lutas entre os trabalhadores e o sindicato, devido à existência anterior de um ativismo social por parte dos trabalhadores. A metodologia utilizada consistiu na realização de entrevistas com dirigentes sindicais, trabalhadores, a consulta ao material disponibilizado pelo sindicato e revisão bibliográfica atinente ao recorte proposto. Através da abordagem teórica da construção de classe enquanto um “fazer-se” na experiência compartilhada, seguimos os principais momentos da revitalização sindical e os conflitos com a sua base, que obliteravam, em parte a sua representação legítima em torno do sindicato institucionalizado. Depreendemos que a consciência de classe, nos termos aqui tratados, conciliou-se com o sindicalismo de movimento já no começo da crise do Polo, mesmo assim esse momento foi importante para a legitimação de pautas em torno do desemprego. Contudo, diante do desmonte da indústria naval, o sindicato viu sua base erodir e, a partir de então, tem atuado com empresas de pequeno porte, as quais garantem um patamar mínimo de experiência adquirida de organização sindical para futuros ou prováveis empreendimentos no município.
Structures and optical properties of thin tungsten oxide nanowires treated with poly(ethylene glycol)
Authors: Rahman Md. Ashiqur , Yomogida Yohei , Nagano Mai , Tanaka Ryoga , Yanagi Kazuhiro
Published: February 2022

Tungsten oxide (W18O49) nanowires exhibit a unique near-infrared optical response due to their oxygen defects, which is important for both basic research and device applications. The diameter of W18O49 nanowires strongly affects the performance of their thin films, and samples with smaller diameters are required for improvement of such device performances by taking an advantage of larger surface area. However, in the conventional synthesis process, aggregation of nanowires and bundle formation inhibit the preparation of nanowires with small diameters. In this study, we prepared W18O49 nanowire samples with relatively small diameters through the control of the aggregation using a dispersant such as poly(ethylene glycol) (PEG), and evaluated their structures and optical properties. We found that PEG treatment can effectively reduce the diameter of the bundles, and W18O49 nanowire samples mainly containing relatively small bundles with an average diameter of less than 10 nm were obtained.
Enhancing the sensitivity and selectivity of salbutamol detection using reduced graphene oxide combined with molecularly imprinted polymers (RGO/MIP)
Authors: Limthin Dalawan , Leepheng Piyawan , Onlaor Korakot , Tunhoo Benchapol , Klamchuen Annop , Thiwawong Thutiyaporn , Phromyothin Darinee
Published: February 2022

In this study, to enhance the selectivity and sensitivity of salbutamol detection performed by a carbon plate electrode, the electrode was modified using a novel molecularly imprinted polymer (MIP) combined with reduced graphene oxide (RGO). The RGO/MIP combination was prepared by the polymerization of methacrylic acid as a monomer using salbutamol as a template. The surface morphologies of the modified electrodes were studied using field-emission scanning electron microscopy (FE-SEM), and their performance was tested by an electrochemical technique that investigated both the cyclic voltammetry (CV) and amperometry (AMP) modes. The performance of the modified RGO/MIP electrode was compared with that of an MIP electrode, in which the RGO/MIP electrode was demonstrated to have 4.16 nA/ppm of sensitivity, more than the 0.91 nA/ppm of the MIP electrode. The limit of detection (LOD) of the RGO/MIP electrode, which was 0.83 ppm, was lower than that of the MIP electrode. Moreover, the RGO/MIP electrode’s dynamic range extended from 1 to 1000 ppm, and it exhibited consistency, repeatability, a fast response, and high selectivity for salbutamol detection.
Low RF loss and low dislocation density of GaN grown on high-resistivity Si substrates
Authors: Ma Cheng , Yang Xuelin , Shen Jianfei , Liu Danshuo , Cai Zidong , Chen Zhenghao , Tang Jun , Sang Liwen , Xu Fujun , Wang Xinqiang , Ge Weikun , Shen Bo
Published: February 2022

The conductive channel induced by aluminum (Al) diffusion into high-resistivity Si substrates is one of the main contributors to RF loss of GaN-on-Si RF devices. However, it has been unclear how and when the Al diffuses into the substrates. Here, we study the origins of the Al impurity in the substrates. It’s revealed that trimethylaluminum (TMAl) flow rate during the pretreatment is a considerable contributor to the Al diffusion. By restricting the TMAl preflow rate, high-quality GaN layers with RF loss of 0.3 dB mm−1 at 10 GHz and dislocation density of 1.6 × 109 cm−2 have been achieved on Si substrates.
Countercyclical financing as a tool for stimulating investment activity (specific structuring options)
Authors: Tsekhomskiy N. V. , Tikhomirov D. V.
Published: February 2022

Aim. The presented study aims to analyze specific options for structuring the financial flows of investment projects with the purpose of increasing investment activity. In this article, which is a continuation of the paper published in the journal ‘Economics and Management’ No. 12 (2021), the authors provide a detailed consideration of options for structuring the financial flows of projects.

Tasks.  The first part of the article gives a general description of the mechanism of project financing in the implementation of investment projects and allocation of risks among participants, while also considering the factor of price volatility and an example of accelerated repayment of financing. The second part provides examples of specific repayment options capable of reducing the risks of a price decline for the investor.

Methodology. This study uses general scientific research methods (analysis, synthesis, induction, deduction), including the analysis of risk allocation options in the financial flows of projects and graphical representation of information, comparison of alternatives. Special methods of financial modeling and investment project efficiency assessment are also used.

Results. The authors explore the options for countercyclical financing, describing the development of an optimal schedule and conditions for loan repayment to reduce the risks of negative market conditions for the project initiator. These options are illustrated with graphic examples describing the conditions for the implementation of the proposed investment project, the characteristics of which correlate with the real project.

Conclusions. Approaches to fine-tuning the structure of financing to balance the interests of the project’s initiators and creditors and to stimulate investment activity in general are outlined. Examples are given that can be useful to students, teachers, practitioners in the field of investment analysis and corporate finance, as well as representatives of the banking and business community.
Monitoring Platform Evolution towards Serverless Computing for 5G and Beyond Systems
Authors: Pergolesi Matteo , Perez Ramon , Benedetti Priscilla , Garcia-Reinoso Jaime , Zabala Aitor , Serrano Pablo , Femminella Mauro , Reali Gianluca , Steenhaut Kris , Banchs Albert
Published: February 2022

Fifth generation (5G) and beyond systems require flexible and efficient monitoring platforms to guarantee optimal key performance indicators (KPIs) in various scenarios. Their applicability in Edge computing environments requires lightweight monitoring solutions. This work evaluates different candidate technologies to implement a monitoring platform for 5G and beyond systems in these environments. For monitoring data plane technologies, we evaluate different virtualization technologies, including bare metal servers, virtual machines, and orchestrated containers. We show that containers not only offer superior flexibility and deployment agility, but also allow obtaining better throughput and latency. In addition, we explore the suitability of the Function-as-a-Service (FaaS) serverless paradigm for deploying the functions used to manage the monitoring platform. This is motivated by the event oriented nature of those functions, designed to set up the monitoring infrastructure for newly created services. When the FaaS warm start mode is used, the platform gives users the perception of resources that are always available. When a cold start mode is used, containers running the application’s modules are automatically destroyed when the application is not in use. Our analysis compares both of them with the standard deployment of microservices. The experimental results show that the cold start mode produces a significant latency increase, along with potential instabilities. For this reason, its usage is not recommended despite the potential savings of computing resources. Conversely, when the warm start mode is used for executing configuration tasks of monitoring infrastructure, it can provide similar execution times to a microservice-based deployment. In addition, the FaaS approach significantly simplifies the code logic in comparison with microservices, reducing lines of code to less than 38%, thus reducing development time. Thus, FaaS in warm start mode represents the best candidate technology to implements such management functions.
The Design of Cavity Resonators and Microwave Filters Applying Shape Deformation Techniques
Authors: Baranowski Michal , Balewski Łukasz , Lamecki Adam , Mrozowski Michal , Galdeano Jaione
Published: February 2022

This paper introduces shape deformation as a new
approach to the computer-aided design (CAD) of high-frequency
components. We show that geometry deformation opens up new
design possibilities and offers additional degrees of freedom in
the 3D modeling of microwave structures. Such design flexibility
is highly desirable if the full potential of Additive Manufacturing
(AM) is to be exploited in the fabrication of RF & microwave
devices. The use of deformation techniques in the design of high-frequency components allows the attainment of improved electrical parameters, such as high-quality factors for cavity resonators
and wide higher-order mode separation. In this work, shape
deformation with radial basis functions (RBFs) is integrated
with an electromagnetic field simulator based on the 3D finite-element method (FEM), allowing the semiautomated optimization
of microwave components, such as cavity resonators and filters.
The proposed strategy is used for the design of high Q-factor
cavity resonators and of cavity bandpass filters with improved
spurious mode separation. Designs of third-order and sixth-order
cavity filters with complex geometry are experimentally verified
using 3D-printed prototypes with selective laser melting (SLM)
technology.
AI-Based Electrode Optimisation for Small Satellite Ion Thrusters
Authors: Makara Árpád László , Reichardt András , Csurgai-Horváth László
Published: February 2022

Computing capacities for numerical modelling are available to an unprecedented extent today. The spread of various artificial intelligence (AI) -based solutions (which in many cases are also resource-intensive operations) is also facilitated by this increase in capacity, which offers several new opportunities in this area. On the one hand, optimization tasks can be done quickly, on the other hand, it is also possible to solve (estimate) problems where we cannot (for some reason) create a model for the initial problem. In our article, we investigate how to apply artificial intelligence-based solutions to electromagnetic field computing tasks as efficiently as possible. The required theoretical summary presents an implemented application: optimization of electrostatic ion engine accelerator electrodes for orbit correction operations. To solve each problem, we used methods from the supervised machine learning toolkit, usually along with LMS (least mean square method) update steps. All inputs required for AI were solved by numerical space calculation (primarily using the finite element method). The data input required to optimize the electrodes of an ion thruster can come from two sources: measurement data or simulation results. Given that the operating environment of a satellite can be modelled in a vacuum chamber, it is a particularly difficult issue to perform the measurement, but even more difficult in the case of optimisation. Therefore, an effective solution to the problem can only be achieved by simulation. The primary goal of this research is to optimise the fuel (in this case, the number of ions) during operation, with the stated aim of maximising the time of operation of the spacecraft.
Identification of the Possible Security Issues of the 464XLAT IPv6 Transition Technology
Authors: Al-Azzawi Ameen , Lencse Gábor
Published: February 2022

This paper focuses on one of the most prominent IPv6 transition technologies named 464XLAT. The aim is to analyze the security threats that this technology might face. After carrying out the threat analysis using STRIDE method that stands for Spoofing, Tampering, Repudiation, Information Disclosure and Elevation of Privilege, and using DFD (Data-Flow Diagram) as a core for the analysis, we summarized the security vulnerabilities and attack points possibilities within this infrastructure. We have also built a testbed for 464XLAT topology using several virtual machines, which were created using Debian image. We used our testbed to perform DoS (Denial of Service) attack against the PLAT (provider-side translator) and monitor PLAT’s performance and the number of packets being translated under attack by different number of clients using the hping3 command.
Le origini della politica migratoria italiana nel contesto europeo e mediterraneo: il nesso nazionale-internazionale in una prospettiva storica
Authors: Paoli Simone
Published: February 2022

The chapter analyses the phase of definition of Italian policy making on migration between the mid 80’s and the mid 90’s. It aims to shed light on the interplay between national and international variables responsible for the definition of key choices made by the Italian political class in the field of migration regulation. The study makes use of a historical perspective, that is suitable to underscore this relationship at the Mediterranean and European level.
Parole pesanti. Hate Speech e comunicazione politica ai tempi dei social media
Authors: Belluati Marianna
Published: February 2022

The process of increased connectivity has made the issue of “hate speech” more and more relevant in the social and political debate. The effects of hate speech and its viral diffusion on most social media are producing deteriorating effects in the contemporary social and political environments, with direct consequences on the quality of the democratic debate and on the level of institutional respect. The chapter suggests that an ethical approach based on values can be much more effective than sanctions and regulations in the contrast to hate speech practices.
Aplikasi Pelayanan Prins Pet Shop Berbasis Android
Authors: Nugroho Agung , Paryanta Paryanta , W Hartati Dyah , Safitri Wahyuningsih Ayu
Published: February 2022

Prins Pet Shop merupakan salah satu toko hewan yang menyediakan berbagai produk kebutuhan dan layanan perawatan hewan. Produk kebutuhan yang ditawarkan berupa makanan dan aksesoris hewan, sedangkan layanan perawatan yang ditawarkan seperti, mandi kutu, mandi jamur, styling bulu, potong kuku, penguraian bulu kusut dan pembersihan telinga hewan. Masalah pada toko Prins Pet Shop meliputi, masalah sistem pemesanan layanan perawatan masih manual yang mengharuskan pelanggan datang langsung ke toko untuk memesan tempat perawatan serta masalah pelayanan belum bisa maksimal. Oleh karena itu, dibangunlah layanan baru berupa layanan perawatan home care. Tujuan dari penelitian ini adalah membangun sistem yang memudahkan pelanggan untuk memesan pelayanan dan produk hewan secara online, dimanapun dan kapanpun serta untuk meningkatkan pelayanan terhadap pelanggan. Sistem dibangun dengan menggunakan software Visual Studio Code, bahasa pemrograman Java Script, HTML, CSS, PHP dan MySQL sebagai pengolah database-nya dengan menggunakan Black Box Testing untuk metode pengujiannya. Hasil dari penelitian ini berupa Aplikasi Pelayanan Prins Pet Shop Berbasis Android yang memudahkan pelanggan melakukan pemesanan tanpa harus datang langsung ke toko dan dapat membantu karyawan di Prins Pet Shop dalam melakukan proses pengolahan data produk , data layanan perawatan grooming guna mempercepat pekerjaan serta meningkatkan pelayanan kepada pelanggan.
Rancang Bangun Sistem Informasi Penjualan Produk Souvenir UMKM Jaya Mulya Berbasis Android
Authors: Sutariyani Sutariyani , Kardha Dessyana , Kurniawati Ardhya Febri , Widiarto Wahyu
Published: February 2022

Jaya Mulya adalah sebuah UMKM yang khususnya bergerak dalam bidang penjualan Souvenir sisa hasil batik. Masalah yang dihadapi pada UMKM Jaya Mulya yaitu proses penjualan masih mengharuskan pembeli untuk datang ke tempat dan melakukan transaksi jual beli. Maka dari itu dibuatlah Sistem Informasi Penjualan Produk Souvenir UMKM Jaya Mulya ini agar memudahkan pemilik untuk memasarkan produk yang dibuat serta menaikkan omzet penjualan. Metode pengembangan sistem yang digunakan dalam pengembangan sistem adalah metode watefall yang digunakan untuk menggambarkan model sistem adalah berupa flowchart, Unified Modelling Language (UML), Class Diagram, Activity Diagram dan Squence diagram serta dalam perancangan basis data menggunakan PhpMyadmin. Untuk mengimplementasikan sistem informasi penjualan dan pemesanan ini, dibutuhkan komponen pendukung agar dapat bekerja dengan baik. Komponen tersebut diantaranya menggunakan bahasa pemrograman PHP, Android dan Java, untuk penyimpanan data menggunakan database MySQL. Perancangan sistem ini diharapakan bisa membantu dan mengatasi permasalahan yang ada sehingga dapat bermanfaat bagi pihak-pihak yang berkepentingan. Dengan adanya Sistem Informasi tersebut diharapkan dapat memudahkan UMKM Jaya Mulya untuk melakukan promosi produk-produk yang di tawarkan dan mempermudah melakukan transaksi penjualan online sehingga dapat dilakukan kapan saja dan juga aman. Mempermudah pengolahan data dan pengolahan laporan.
Rancang Bangun Sistem Monitoring Kualitas Air (pH dan Kekeruhan) pada Akuarium Berbasis Internet of Things
Authors: Haryanto Haryanto , Kristono Kristono , Fadhil Muhammad
Published: February 2022

Ketertarikan masyarakat terhadap pemeliharaan ikan-ikan hias di era modernisasi ini semakin meningkat. Untuk tetap menjaga kualitas habitat ikan diakuarium, maka dibutuhkanlah perawatan agar ikan-ikan tersebut tidak mati atau terpelihara dengan baik. Perawatan digunakan untuk menjaga kelangsungan hidup ikan dan vegetasi air yang terdapat didalamnya termasuk keasaman dan kekeruhan sangat menentukan kualitas air karena juga sangat menentukan proses kimiawi dalam air. Dalam perkembangan teknologi yang semakin canggih contohnya seperti Internet of Things (IoT), IoT ini dapat memberikan manfaat dalam keperluan untuk monitoring dan kontrol pada akuarium. Maka tujuan penelitian ini untuk mengembangkan dan membuat alat sistem monitoring kualitas air dengan sensor pH dan kekeruhan pada akuarium berbasis Internet of Things dengan metode research and development. Dari penelitian ini untuk menjawab dan mencoba dipecahkan dengan dibangunnya sistem monitoring kualitas air pada akuarium dengan mikrokontroler ATmega328P dengan sensor pH Module V.1.1, RED Turbidity sensor dan memanfaatkan aplikasi Blynk sebagai antarmuka monitoring pada smartphone. Hasil penelitian ini berupa mengembangkan alat sistem monitoring kualitas air (pH dan kekeruhan) pada akuarium berbasi IoT  dengan mikrokontroler ATmega328P yang berisikan perintah untuk mengatur pH dan kekeruhan air dengan sensor pH Module V.1.1 dan RED Turbidity Sensor pada akuarium. Kesimpulan dari penelitian yang dilakukan adalah dapat membantu monitoring secara jarak jauh yang update secara real-time dan penggunaan sensor pH, sensor kekeruhan untuk menentukan batas kualitas air sesuai dengan yang dibutuhkan
“Reconstruction and Rehabilitation of Maxillary Defects Secondary to Mucormycosis”
Authors: Rathee Dr. Manu , Singh Dr. Sandeep , Malik Dr. Sanju , S Dr. Divakar , Alam Dr. Maqbul
Published: February 2022

Maxillary defects can occur due to certain bacterial, fungal and viral infections. But in recent time mucormycosis has become prevalent secondary to covid-19 infection. Mucormycosis is an opportunistic fungal infection, which primarily affects diabetic and immunocompromised patients. Surgical excision and debridement of the affected areas can result in significant defects. Reconstruction and rehabilitation of these defects remains a significant challenge for the clinicians because 3-D anatomy of the maxilla serves speech, swallowing and aesthetic roles. This review article discusses the reconstructive and rehabilitative methods of mucormycosis maxillary defects.
The Impact of Amex and Its Progeny on Technology Platforms
Authors: Fujii Kacyn
Published: February 2022

Big Tech today faces unprecedented levels of antitrust scrutiny. Yet antitrust enforcement against Big Tech still faces a major obstacle: the Supreme Court’s 2018 decision in Ohio v. American Express. Popularly called Amex, the case imposed a higher initial burden on antitrust plaintiffs in cases involving two-sided markets. Two-sided markets connect two distinct, noncompeting groups of customers on a shared platform. These platforms have indirect network effects, meaning that one group of customers benefits when more of the second group of customers joins the platform. Two-sided markets are ubiquitous in the technology sector, encompassing social media, search engines, and online marketplaces.

Many have observed that the Amex Court’s reasoning drew on questionable economic principles, contrary to the typical approach in antitrust law. This Note examines and adds to these critiques through a novel analysis of lower-court cases post-Amex. This analysis reveals that Amex has resulted in inconsistencies and confusion in the lower courts, opening the door for technology defendants to manipulate Amex’s definition of two-sided markets for their own benefit. To resolve these inconsistencies, this Note proposes a two-part legislative solution to curb Amex’s reach.