bluuebunny/crossref_metadata_2025 huggingface dataset:
Das Koordinatensystem der Methodik
Authors: Walter Tonio
Published: July 2020

Immer wieder stehen Juristen vor den Fragen, was bei einer Auslegung zulässig sei, was die Auslegung von Analogien und teleologischen Reduktionen unterscheide, wie weit man die Vorstellungen des Normgebers zu respektieren habe und woraus sich der Sinn einer Norm erschliesse. Der folgende Beitrag spürt diesen methodischen Grundsatzfragen nach. Geschrieben wurde er ursprünglich für die Teilnehmer eines deutsch-schweizerischen Doktorandenseminars zur Methodik. Er verfolgt daher vorrangig ein didaktisches Ziel und hat nicht den Ehrgeiz, jenes Mass an Belegen aus Schrifttum und Rechtsprechung beizubringen, das in einem rein wissenschaftlichen Aufsatz wünschenswert wäre.
The Future of TV Advertising Targeting Young Slovak Consumers
Authors: Miklosík Andrej , Starchon Peter , Vokounova Dana , Korcokova Marína
Published: July 2020

The consumer preferences and behavior should be considered with the purpose to implement marketing strategies in today's world successfully. It is crucial to understand how consumers find information and how the consumer decision-making process develops in time. Therefore, for advertisers, considering the behavior of their target audience is of paramount importance. Integrated marketing communication programs reflect the way online search and traditional and new media, such as smartphones, TV, and social media, influence consumer decision-making. Young consumers, often referred to as generations Y and Z, are very different from previous generations in terms of multimedia content consumption and their perception of television advertising. This paper aims at providing insights into this behavior, including actions that follow-up as a response to television advertising. Results of a quantitative study performed on a sample of 135 university students from Slovakia using a six-component behavior explanation model. The results reveal that it still can be beneficial to include television advertisements in the communication mix aimed at these young consumers. The investments in TV advertising campaigns could pay off. The advertisers and their agencies should respect the role of high search visibility in this process. In this case, the messages contained in TV advertisements have the potential to influence the purchasing behavior of young consumers. Thanks to achieving top ranking for the relevant brand, product, and campaign-related keywords, communication campaigns can become truly integrated. Thus, the component of search visibility directly influences the efficiency of marketing communication, contributing to enhanced business performance. Suggestions towards the optimization of the delivery of communication campaigns featuring TV advertising should target these consumers are presented based on the generated knowledge about their attitude towards and consumption of TV ads and subsequent behaviors.
Keywords:
consumer behavior, information research, integrated marketing communication, search visibility, television advertising, Slovakia.
Innovations in Management of Banks Deposit Portfolio: Structure of Customer Deposit
Authors: Andros Svitlana , Akimova Liudmyla , Butkevich Oksana
Published: July 2020

The economic and statistical analysis of the bank's deposit portfolio by the structure of deposits has been performed. An algorithm for grouping deposits by type of client, amount, maturity, and interest rate is proposed and tested. A technique is proposed for analyzing the influence of the type of forming factors: the amount, term, and interest rate on the change in the number of dividends on a bank deposit. The influence of each type of deposit on the overall increase in interest payments is determined. The purpose of the article is to improve the methodological approach to the effective management of the bank's deposit portfolio using the economic and statistical analysis of the structure of deposits. A study of the literature shows that insufficient attention is paid to the formation of an optimal deposit portfolio of the bank. The relevance of the article lies in the need to use the mathematical apparatus to optimize the process of managing the borrowed funds of customers. The tendency of changes in the amounts of balances, volumes of inflow, and subsidence of deposits of corporate clients and individuals in the bank is analyses. The methodology for grouping deposits by amounts, interest rates, and investment terms has been improved, which allows structural positioning changes in the total amount of the bank's deposit portfolio. A technique is proposed for studying the influence of factors on the structure of deposits in a bank. The methodology of index factor analysis has been improved to study the structure of deposits in the bank. For the analysis of cash flows, the average storage period, and average deposit balances for a certain period are determined. The index of the average duration of the use of a variable composition deposit is calculated. The economic effect for the bank from increasing the terms of attracting financial resources is calculated. A set of indicators has been proposed for assessing the effectiveness of managing customer funds raised. The study is based on a combination of statistical and economic-mathematical methods of analysis, a system-structural approach (systematization, grouping and ranking, analysis of time series, and scientific abstraction). Presented various marketing tricks that bank depositors may meet. The developed methodological provisions of a statistical study of the structure of deposits can be used in modeling and forecasting the results of financial institutions. Practical recommendations allow us to give an objective assessment of the state of the resource base of the bank in terms of the effective management of funds of individuals and corporate clients.
Keywords:
analysis, bank, monetary resources, deposit, efficiency, customers, portfolio, interest, amount, term, management.
A FÍSICA NA RESSONÂNCIA MAGNÉTICA
Authors: FERREIRA BASTOS JOSÉ CARLOS , Sales Gilvandenys Leite , Da Costa Darkson Fernandes
Published: July 2020

O presente trabalho teve como objetivo principal promover a divulgação dos conceitos físicos envolvidos na formação de imagens através da Ressonância Magnética (RM). Para tanto, fez-se uma descrição detalhada de cada parte do processo, a partir de estudos de alguns conceitos da física, principalmente o eletromagnetismo e física nuclear. A pesquisa, de caráter bibliográfico, partiu da seguinte problemática: as imagens de Ressonância Magnética são geradas de forma complicada, o que torna muito mais difícil de entender do que a radiografia simples, tomografia computadorizada e ultrassonografia. Observou-se que a RM necessita de um campo magnético estático, para tanto, são utilizados prótons de hidrogênio no interior do corpo do paciente para alinhar-se com o campo magnético. Um pulso de Rádio Frequência (RF) é emitido a partir do scanner, sincronizado para uma gama específica de frequências, levando os prótons de hidrogênio ao movimento de precessão. Alguns dos prótons de hidrogênio são levados a 1800 do alinhamento com o campo magnético estático, esses prótons serão forçados a entrarem em fase com outros prótons de hidrogênio. Ao passo que a energia do impulso de RF é dissipada, os prótons de hidrogênio retornarão ao alinhamento com o campo magnético estático. O resultado é que o sinal de ressonância magnética é derivado dos prótons de hidrogênio enquanto se movem, voltando para o alinhamento com o campo magnético e ficando fora de "fase" uns com os outros por conta do processo, dividido em relaxamento T1 e T2. Como resultado o sinal de RM é dividido e localizado espacialmente para produzir imagens.

Palavras-chave: Ressonância Magnética, Campo Magnético, Imagens.
APLICAÇÃO DE CONVERSOR ELETRÔNICO DE ALTO RENDIMENTO PARA BOMBEAMENTO SOLAR FOTOVOLTAICO SEM BATERIAS
Authors: Ferreira Filho José Rogério Maciel , Sousa Igor Rocha de , Medeiros Cláudio Marques de Sá
Published: July 2020

Neste trabalho é sugerido um sistema de bombeamento solar fotovoltaico (FV) autônomo sem o uso de baterias composto de painéis FV, conversor CC-CC \textit{boost} de alto ganho de tensão baseado na célula de comutação de três estados (AGT-CCTE), conversor CC-CA de frequência variável e motobomba submersa. Com a utilização do conversor CC-CC \textit{boost} AGT-CCTE, é possível realizar a adequação de potência entre os painéis FV e o conversor CC-CA reduzindo assim o número de painéis FV utilizados. Através de ensaios experimentais verifica-se o comportamento do conversor CC-CC \textit{boost} AGT-CCTE diante de situações distintas de operação, possibilitando a avaliação do desempenho do mesmo. Com os resultados experimentais é observado que o conversor \textit{boost} utilizado apresenta um rendimento de 92,52 \%. Durante os períodos de máxima irradiância o sistema de bombeamento apresenta uma vazão máxima de 1100 l/h a uma altura manométrica de 25 m.
Editorial
Authors: Olímpio João Luís Sampaio
Published: July 2020

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Entrepreneurship Role in the System of State Sport in Russia
Authors: Sergeev A. A.
Published: July 2020

The current state policy of Russia orients to the support of entrepreneurial activity and involvement of the population into regular physical training and playing sports. Integration of entrepreneurship in the system of state sports can provide a higher level of practical use of available market tools in budget sport organizations. Collaboration of state sport organizations and entrepreneurs in the field of sports could promote sustainable development of sport economy, raise efficiency of sport goods sales and services and intensify the search for practical combinations aimed at gaining profits in the process of everyday sport activity. State sport in Russia needs mechanisms of developing private entrepreneurial initiative. The author gives recommendations for upgrading organizational mechanisms of interaction between the state sector and private business structures and their realization can raise sport economy to a new level. Improving the level of entrepreneurial culture in the sports field in line with the growth in economic and sport results in state sport organizations is relevant to the acute goals identified in the Federal projects ‘Entrepreneurship Popularization’ and ‘Sport is a Norm of Life’, which are included in the national projects ‘Small and Medium Business and Support of Individual Entrepreneurial Initiative’ and ‘Demography’.
Concerning Specific Features of M&A Management
Authors: Sadykova X. V. , Biryukov E. S.
Published: July 2020

Today global and national economy is facing numerous hardly predictable events, which N. Talleb called ‘the black swam’ events, i.e. events having serious consequences both for economy in general and for industries in particular. Integrated corporate structures are still being formed at the expense of M&A deals. Statistic and diagnostic of M&A deals in leading companies testify that these deals have a high degree of risk, while classical management in M&A developed in the last 20 years requires drastic changes. Finance community considers acquisition of new businesses as a conventional method of getting different preferences, such as knowledge and skill diffusion in the field of innovation, opportunity of penetrating new markets, possible obtaining the synergy effect, including one within the frames of ‘the so-called ‘mum’s bias’. By studying global and home experience we can clearly observe that the majority of companies-buyers (or companies-aggressors) pursue policy of acquisition in respect of companiestargets, in other words, the company-target is not considered as an object of any investment. It could be investment in capital, in optimization of the system of strategic management in the company-target or in upgrading businessmodel, etc. In this respect the authors study specific features of corporate management within the frames of ShareholderActivism, non-executive directors and agent theory, identify contradictions and show changes in these fields.
Distance Work Changes Strategy of HR Management
Authors: Milenin M. V.
Published: July 2020

The development of new means of telecommunications, such as IP-telephony, messengers, applications for videoconferencing, platforms for distance work with documents (for example, googleapps) and others have been promoting recently the change-over of employees to distance (remote) work. The article analyzes findings of the survey dealing with distance work. Two hypotheses were put forward for the research: 1) work from home would be more productive for many people; 2) a lot of people would assess distance work positively and would prefer it to office work. Both hypotheses were confirmed by survey findings. Another goal of the research was to identify positive and negative sides of distance work with subsequent investigation of possibilities to eliminate minuses and of impact of pluses on employees’ motivation. Recommendations for companies’ executives and HR-divisions were prepared dealing with possibility and usefulness of full and partial change-over to remote work. In view of business, change-over of employees to distance work may have the following advantages: cut costs for rent of offices; upgrade business processes and communications; introduce advanced work technologies; raise efficiency, motivation and satisfaction of employees.
Antioxidant and Antimicrobial Activity of Protein-AgNPs from the Stem of Nicotiana Tabacum
Authors: Sharma Yash , Srivastava Nidhi , Bala Kumud
Published: July 2020

Background:

Stems of Nicotiana tabacum have secondary metabolites with antimicrobial
and antioxidant properties. The purpose of the present study was to investigate the therapeutic
properties of synthesized silver nanoparticles (Protein-AgNPs) in an isolated protein mixture from
stems.

Methodology:

A N. tabacum protein mixture was used for the formation of silver nanoparticles by
the bioreduction method. Characterization of Protein – AgNPs was completed using UV-Vis spectroscopy,
Dynamic Light Scattering (DLS), Atomic Force Microscope (AFM) and Scanning Electron
Microscope (SEM). Therapeutic properties of Protein-AgNPs were evident with antimicrobial
and antioxidant activities. The antimicrobial activity of Protein-AgNPs was determined by the agar
well diffusion and broth diffusion methods. The mode of action of Protein-AgNPs was determined
by the cellular membrane leakage assay. Antioxidant activities of Protein-AgNPs were quantified
by Superoxide Dismutase activity (SOD), Catalase activity (Cat), Glutathione S Transferase activity
(GST), Glutathione Content (GSH) and lipid peroxidation.

Results:

The synthesized Protein-AgNPs were less than 100nm as characterized by UV-Vis spectroscopy,
DLS, AFM and SEM. Antimicrobial activity was observed against both Gram positive
and Gram negative bacteria, revealing maximum antimicrobial activity against Staphylococcus aureus
and Acinetobacter baumannii (p value ≤ 0.05) as determined by the agar well diffusion
method and the broth dilution method. The mode of action is likely to be cellular membrane damage,
because protein and nucleic acid leakage was significant in treated cells. The antioxidant activities
of Protein-AgNPs were higher than purified proteins as determined by Superoxide Dismutase
activity (SOD), Catalase activity (Cat), Glutathione Stransferase activity (GST), Glutathione content
(GSH) and lipid peroxidation.

Conclusion:

Synthesized silver nanoparticles from a tobacco stem protein mixture can be utilized
as a herbal remedy or as a nano-drug delivery system against diseases such microbial pathogens.
GC/MS Profile and In-Vitro α-Glucosidase Inhibitory Activity of Essential Oil of Eucalyptus camaldulensis Dehnh Collected from (Erbil) Iraq
Authors: Ahamad Javed , Uthirapathy Subasini
Published: July 2020

Background:

Eucalyptus camaldulensis Dehnh is abundantly found in Erbil, Iraq and
commonly used as an antispasmodic and antipyretic remedy for treating respiratory tract diseases.
The present study aimed to evaluate the effectiveness of E. camaldulensis in achieving glucose
homeostasis through the inhibition of α-glucosidase enzyme using in-vitro model and also determine
the chemical composition of essential oil by gas chromatography mass spectroscopy
(GC/MS).

Methods:

The chemical composition of E. camaldulensis essential oil by was determined by
GC/MS and its antidiabetic activity was assessed through inhibition of α-glucosidase enzyme in in-
-vitro models.

Results:

The essential oil yielded 40 chemical constituents amounting to 98.55%. The major constituents
of essential oil of E. camaldulensis leaf were 1,8-cineole (28.4%), isocaryophyllene oxide
(8.4%), β-ocimene (7.9%), α-farnesene (7.9%), globulol (7.3%), terpinen-4-ol (7.6%), isophytol
(3.6%), viridiflorol (3.2%), p-cymen-3-ol (3.1%) and α-bisabolol (1.2%). The essential oil of E.
camaldulensis showed concentration-dependent inhibition of α-glucosidase enzyme and the inhibition
ranged from 75.38±2.09 to 6.08±1.89% for concentration 100 to 3.125 μg/mL. The α-glucosidase
inhibition of E. camaldulensis (IC50 value 16.7±2.61 μg/mL) was found almost comparable
with standard drug acarbose (IC50 value 12.04±3.17 μg/mL).

Conclusion:

The result of this study concluded E. camaldulensis essential oil as having 1,8-cineole,
isocaryophyllene oxide and β-ocimene as major constituents; the study findings also confirm
the traditional claim of its use in the treatment of diabetes mellitus.
Major CYP450 Polymorphism among Saudi Patients
Authors: Almeman Ahmad A.
Published: July 2020

Background:

Cytochrome P450 (CYP) contributes to a huge collection of medicinal products'
Phase I metabolization. We aimed to summarize and investigate the current evidence regarding
the frequency of CYP2D6, CYP2C9, CYP2C19, and MDR1 in Saudi Arabia.

Methods:

A computerized search in four databases was done using the relevant keywords. The screening
process was done in two steps; title and abstract screening and full-text screening. Data of demographic
and characteristics of included studies and patients were extracted and tabulated.

Results:

Ten studies were eligible for our criteria and were included in this systematic review. The age
of participants ranged between 17-65 years. Only two subjects showed PM phenotype of CYP2C19 in
the Saudi population. The most frequent alleles were CYP2C19*1 (62.9%), CYP2C19*2 (11.2%-32%),
and CYP2C19*17 (25.7%). The CYP2C19m1was observed in 97 cases of extensive metabolizing (EM)
phenotype CYP2C19. Concerning the CYP2C9, the most frequent alleles were CYP2C9*1 and
CYP2C9*2, and the most frequent genotype was CYP2C9*1*1. The CYP2D6*41 allele and C1236T
MDR1 were the most frequent allele in this population.

Conclusion:

The current evidence suggests that Saudi resembled European in the frequency of
CYP2C19, Caucasians in both the incidence of CYP2C9 and CYP2C19m1, and the absence of
CYP2C19m2. The CYP2D6*41 allele frequency in Saudi is relatively high. We recommend further research
to evaluate the basic and clinical relevance of gene polymorphism in such ethnicity.
Early Psychosis: Diagnosis and Treatment
Authors: Beck Nataly S. , Lean Melanie L. , Hardy Kate V. , Ballon Jacob S.
Published: July 2020

Background:

The typical age of onset for psychotic disorders is concurrent with the typical
age of enrollment in higher education. College and graduate students often experience new academic
and social demands that may leave them vulnerable to substance use and mental health problems,
including the initial onset of a psychotic episode.

Objective:

To provide a current overview of the guidelines and literature for the diagnosis and treatment
of early psychosis with special consideration for the college and graduate student population in
the United States. To highlight areas of need and provide recommendations for clinicians who work
at educational institutions and their health services, along with general psychiatrists and psychologists
who work with post-secondary education populations, to help close the treatment gap.

Method:

A review of interventions and best practice for the treatment of early psychosis in college
students was conducted, informed by the authors’ current experience as clinicians working with this
population at a university in the United States.

Results:

Thorough psychiatric interviews and screening tools can help in the early identification of
individuals at clinical high risk for, and at the first onset of, psychosis. Coordinated specialty care
services are the gold standard for early psychosis and include psychotherapy interventions (such as
cognitive behavioral therapy and individual resiliency training), as well as support for a student to
return to school or work. Individuals experiencing a first episode of psychosis, in general, respond
better to lower doses of antipsychotics and may also experience more adverse effects.

Conclusion:

Return to a high level of functioning is possible in many cases of early psychosis, with
early identification and treatment essential.
EDITORIAL
Authors: Conde Pascual Elena
Published: July 2020

En Latinoamérica, teniendo en cuenta el número de patentes registradas y las publicaciones científicas en revistas reconocidas, Colombia se ubica en el sexto en lugar, después de Brasil, México, Argentina, Chile y Venezuela. El más elevado número de publicaciones corresponde a las ciencias exactas, las ciencias agrarias y las ciencias sociales. Igualmente se pub lica, aunque en menor medida, en áreas como la lingüística, las letras y las artes. Durante las dos últimas décadas, el estado colombiano ha realizado esfuerzos considerables por el impulso de la investigación y el desarrollo tecnológico del país, llevándose a cabo políticas encaminadas a consolidar la formación científica y tecnológica a través de la financiación de proyectos, creación de grupos de investigación, y cooperación y convenios con diferentes instituciones y países. Las Universidades públicas parecen ser las principales impulsoras en el país con respecto a la producción científica y desde las privadas se están realizando las labores propias para para dar a conocer la

producción científica y académica a los profesores, estudiantes y profesionales del área y de esta manera propiciar el desarrollo de la profesión.
Biased Sampling and Causal Estimation of Health-Related Information: Laboratory-Based Experimental Research
Authors: Moreno-Fernández María Manuela , Matute Helena
Published: July 2020

Background

The internet is a relevant source of health-related information. The huge amount of information available on the internet forces users to engage in an active process of information selection. Previous research conducted in the field of experimental psychology showed that information selection itself may promote the development of erroneous beliefs, even if the information collected does not.

Objective

The aim of this study was to assess the relationship between information searching strategy (ie, which cues are used to guide information retrieval) and causal inferences about health while controlling for the effect of additional information features.

Methods

We adapted a standard laboratory task that has previously been used in research on contingency learning to mimic an information searching situation. Participants (N=193) were asked to gather information to determine whether a fictitious drug caused an allergic reaction. They collected individual pieces of evidence in order to support or reject the causal relationship between the two events by inspecting individual cases in which the drug was or was not used or in which the allergic reaction appeared or not. Thus, one group (cause group, n=105) was allowed to sample information based on the potential cause, whereas a second group (effect group, n=88) was allowed to sample information based on the effect. Although participants could select which medical records they wanted to check—cases in which the medicine was used or not (in the cause group) or cases in which the effect appeared or not (in the effect group)—they all received similar evidence that indicated the absence of a causal link between the drug and the reaction. After observing 40 cases, they estimated the drug–allergic reaction causal relationship.

Results

Participants used different strategies for collecting information. In some cases, participants displayed a biased sampling strategy compatible with positive testing, that is, they required a high proportion of evidence in which the drug was administered (in the cause group) or in which the allergic reaction appeared (in the effect group). Biased strategies produced an overrepresentation of certain pieces of evidence at the detriment of the representation of others, which was associated with the accuracy of causal inferences. Thus, how the information was collected (sampling strategy) demonstrated a significant effect on causal inferences (F1,185=32.53, P<.001, η2p=0.15) suggesting that inferences of the causal relationship between events are related to how the information is gathered.

Conclusions

Mistaken beliefs about health may arise from accurate pieces of information partially because of the way in which information is collected. Patient or person autonomy in gathering health information through the internet, for instance, may contribute to the development of false beliefs from accurate pieces of information because search strategies can be biased.
Mobile Fotonovelas Within a Text Message Outreach: An Innovative Tool to Build Health Literacy and Influence Behaviors in Response to the COVID-19 Pandemic
Authors: Brar Prayaga Rena , Prayaga Ram S
Published: July 2020

With all 50 US states reporting cases of coronavirus disease (COVID-19), people around the country are adapting and stepping up to the challenges of the pandemic; however, they are also frightened, anxious, and confused about what they can do to avoid exposure to the disease. Usual habits have been interrupted as a result of the crisis, and consumers are open to suggestions and strategies to help them change long-standing attitudes and behaviors. In response, a novel and innovative mobile communication capability was developed to present health messages in English and Spanish with links to fotonovelas (visual stories) that are accessible, easy to understand across literacy levels, and compelling to a diverse audience. While SMS text message outreach has been used to build health literacy and provide social support, few studies have explored the benefits of SMS text messaging combined with visual stories to influence health behaviors and build knowledge and self-efficacy. In particular, this approach can be used to provide vital information, resources, empathy, and support to the most vulnerable populations. This also allows providers and health plans to quickly reach out to their patients and members without any additional resource demands at a time when the health care system is severely overburdened.
Digital Tools to Ameliorate Psychological Symptoms Associated With COVID-19: Scoping Review
Authors: Zhang Melvyn , Smith Helen Elizabeth
Published: July 2020

Background

In the four months after the discovery of the index case of coronavirus disease (COVID-19), several studies highlighted the psychological impact of COVID-19 on frontline health care workers and on members of the general public. It is evident from these studies that individuals experienced elevated levels of anxiety and depression in the acute phase, when they first became aware of the pandemic, and that the psychological distress persisted into subsequent weeks. It is becoming apparent that technological tools such as SMS text messages, web-based interventions, mobile interventions, and conversational agents can help ameliorate psychological distress in the workplace and in society. To our knowledge, there are few publications describing how digital tools have been used to ameliorate psychological symptoms among individuals.

Objective

The aim of this review was to identify existing SMS text message, web-based, mobile, and conversational agents that the general public can access to ameliorate the psychological symptoms they are experiencing during the COVID-19 pandemic.

Methods

To identify digital tools that were published specifically for COVID-19, a search was performed in the PubMed and MEDLINE databases from the inception of the databases through June 17, 2020. The following search strings were used: “NCOV OR 2019-nCoV OR SARS-CoV-2 OR Coronavirus OR COVID19 OR COVID” and “mHealth OR eHealth OR text”. Another search was conducted in PubMed and MEDLINE to identify existing digital tools for depression and anxiety disorders. A web-based search engine (Google) was used to identify if the cited web-based interventions could be accessed. A mobile app search engine, App Annie, was used to determine if the identified mobile apps were commercially available. Results: A total of 6 studies were identified. Of the 6 identified web-based interventions, 5 websites (83%) could be accessed. Of the 32 identified mobile interventions, 7 apps (22%) could be accessed. Of the 7 identified conversational agents, only 2 (29%) could be accessed.

Results

A total of 6 studies were identified. Of the 6 identified web-based interventions, 5 websites (83%) could be accessed. Of the 32 identified mobile interventions, 7 apps (22%) could be accessed. Of the 7 identified conversational agents, only 2 (29%) could be accessed.

Conclusions

The COVID-19 pandemic has caused significant psychological distress. Digital tools that are commercially available may be useful for at-risk individuals or individuals with pre-existing psychiatric symptoms.
Nationwide Results of COVID-19 Contact Tracing in South Korea: Individual Participant Data From an Epidemiological Survey
Authors: Lee Seung Won , Yuh Woon Tak , Yang Jee Myung , Cho Yoon-Sik , Yoo In Kyung , Koh Hyun Yong , Marshall Dominic , Oh Donghwan , Ha Eun Kyo , Han Man Yong , Yon Dong Keon
Published: July 2020

Background

Evidence regarding the effectiveness of contact tracing of COVID-19 and the related social distancing is limited and inconclusive.

Objective

This study aims to investigate the epidemiological characteristics of SARS-CoV-2 transmission in South Korea and evaluate whether a social distancing campaign is effective in mitigating the spread of COVID-19.

Methods

We used contract tracing data to investigate the epidemic characteristics of SARS-CoV-2 transmission in South Korea and evaluate whether a social distancing campaign was effective in mitigating the spread of COVID-19. We calculated the mortality rate for COVID-19 by infection type (cluster vs noncluster) and tested whether new confirmed COVID-19 trends changed after a social distancing campaign.

Results

There were 2537 patients with confirmed COVID-19 who completed the epidemiologic survey: 1305 (51.4%) cluster cases and 1232 (48.6%) noncluster cases. The mortality rate was significantly higher in cluster cases linked to medical facilities (11/143, 7.70% vs 5/1232, 0.41%; adjusted percentage difference 7.99%; 95% CI 5.83 to 10.14) and long-term care facilities (19/221, 8.60% vs 5/1232, 0.41%; adjusted percentage difference 7.56%; 95% CI 5.66 to 9.47) than in noncluster cases. The change in trends of newly confirmed COVID-19 cases before and after the social distancing campaign was significantly negative in the entire cohort (adjusted trend difference –2.28; 95% CI –3.88 to –0.68) and the cluster infection group (adjusted trend difference –0.96; 95% CI –1.83 to –0.09).

Conclusions

In a nationwide contact tracing study in South Korea, COVID-19 linked to medical and long-term care facilities significantly increased the risk of mortality compared to noncluster COVID-19. A social distancing campaign decreased the spread of COVID-19 in South Korea and differentially affected cluster infections of SARS-CoV-2.
Parameter Optimization of Pure Electric Vehicle Power System Based on Genetic Algorithm
Authors: Ying Zheng , Peng Qin , Xianfeng Zheng , Hao Wu , Zihan Lin
Published: July 2020

In this paper, the ADVISOR software was used to establish a complete vehicle model of an electric vehicle, and the model was verified by CYC_NEDC under European urban conditions to meet the requirements. The maximum power of the driving motor, the speed ratio of the transmission system and the capacity of the storage battery are taken as the optimization objectives to carry out multi-objective optimization. Connect the model built by genetic algorithm and ADVISOR, run the program to simulate the two together, and get the result of parameter optimization of dynamic system. Through the simulation analysis and comparison under CYC_NEDC cycle conditions, the maximum speed, maximum climb slope, acceleration time and other dynamic performance parameters of this electric vehicle are effectively improved after optimization.
Отечественная микрокриогеника: микрокриогенные системы для фотоприемных модулей
Authors: Самвелов А.М. , Ясев С.Г. , Москаленко А.С. , Старцев В.В. , Баранов А.Ю. , Пахомов О.В.
Published: July 2020

Создан типоразмерный ряд микрокриогенных систем Стирлинга для фотоприемных модулей, работающих в ИК‑диапазонах спектра 3–5 мкм и 7–14 мкм. Ряд включает четыре типа систем обратного цикла Стирлинга интегрального и дифференциального исполнения. Представлены результаты испытаний холодопроизводительностью 400, 500, 750 мВт (77 К, +60 °C). При проектировании и изготовлении систем были использованы технологические решения, повышающие эффективность и ресурс работы в диапазоне температур криостатирования 70–150К.
A standard series of Stirling microcryogenic systems has been created for photoreceiving modules operating in the IR spectral ranges of 3–5 microns and 7–14 microns. The series includes four types of Stirling reverse cycle systems of integral and differential execution. The results of tests with a cooling capacity of 400, 500, 750 mW (77K, +60 °C) are presented. In the design and manufacture of systems, technological solutions were used that increase the efficiency and service life in the temperature range of cryostatting 70–150K.
Мобильные навигационные комплексы на отечественных суперярких светодиодах для освоения Арктики
Authors: Васильев Д.В. , Лаврюшин А.И.
Published: July 2020

Рассмотрен потенциал возможностей светотехнических мобильных навигационных комплексов, обеспечивающих дальний привод летательных аппаратов по глиссаде. Основа комплекса – ​суперяркие монохромные светодиоды производства компании ООО «НПЦ ОЭП «ОПТЭЛ». Для сравнения характеристик светодиодов для задач навигации выбран новый параметр – ​распределение освещенности в плоскости, перпендикулярной оптической оси светодиода. Параметр влияет на массо-­габаритные и тактико-­технические характеристики проектируемых изделий.
The article discusses the possibility of creating lighting mobile navigation systems that provide long-range drive of aircraft along the glide path. System base – ​monochrome LEDs of LLC SPCOD “OPTEL”. A new parameter was proposed for navigation issues – ​the distribution of illumination in a plane perpendicular to the optical axis of the LED. The parameter affects the overall dimensions and tactical and technical characteristics of the designed products.
Сверхпоглощающие свой­ства никель-­фосфорного сплава
Authors: Марусев Д.В.
Published: July 2020

В работе представлены результаты исследований свой­ств светопоглощающих покрытий на основе никель-­фосфорного сплава. Проведен анализ спектральных характеристик отражения на разных этапах их изготовления. Установлена причина сверхпоглощения сплава NiP и описана возможность его применения в качестве материала, подавляющего рассеянный световой фон внутри оптического тракта оптоэлектронных устройств, например, в блендах звездных датчиков системы ориентации космических аппаратов.
The paper presents the research of the properties of light-­absorbing coatings based on nickel-­phosphorus alloy. The spectral characteristics of reflection of the coatings were analyzed at different stages of their manufacture. The reason of the super-­absorption of the NiP alloy is established and the possibility of its use as a material suppressing the scattered light inside the optical path of optoelectronic devices is described, for example, in blends of stellar sensors of a spacecraft orientation system, is described.
Data Warehouse Menggunakan Snowflake Schema Pada Virtual Shop
Authors: Novreza Vicky , Munarko Yuda , Husniah Lailatul
Published: July 2020

AbstrakVirtual shop adalah penerapan teknologi virtual realiy pada toko online guna meningkatkan interaksi pembeli. Penerarapan virtual reality pada online shop menimbulkan pertanyaan untuk penyimpanan data serta pengolahan data sebagai analisa kebutuhan. Data pada toko online sebatas pada data transaksional dan tidak dilakukan pengolahan yang lebih untuk dilakukan analisa. Solusi dari permasalahan tersebut dengan melakukan perancangan data warehouse untuk menyiapkan tempat penyimpanan data agar analisa dapat dilakukan guna pengembangan teknologi virtual shop. Sistem pada data warehouse dapat sebagai repository data yang digunakan oleh virtual shop. Penelitian ini menerapkan multidimensional snowflakes schema dengan tujuan me-normalisasi tabel dimensi sehingga tidak terjadi redudansi data khusus pada tabel dimensi. Menerapkan metode desain data multidimensional dari Moody pada Multidimensional snowflakes schema, from ER models to Dimensional models. Untuk mendukung penelitian ini, Peneliti melakukan analisis pada data warehouse dengan menggunakan OLAP Cube Reporting berbasis web.Abstract  A Virtual Shop is kind of Online based store that implement Virtual Reality Technology for their interaction. Usually, Data inside online shop just as transactional data and there is not further process to makes that data as analyse need. So, in this research is to design we can call Data Warehouse as a solution to prepare a repository for data to make use as analyse need for Virtual Shop development. This research implement multidimensional scheme is Snowflake Scheme as Moody’s from ER models to Dimensional Models for it method. For analysis activities, user will do that activities via Web Based OLAP Cube Reporting.
Rekayasa Ulang Iteratif Pada Aplikasi I-Lab UMM
Authors: Rahmadhani Arif , Suharso Wildan , Marthasari Gita Indah
Published: July 2020

AbstrakSistem informasi adalah hal yang penting bagi suatu perusahaan atau instansi seperti I-Lab yang merupakan sistem informasi pada Laboratorium Teknik Informatika Universitas Muhammadiyah Malang. Kemudian pihak Laboratorium Teknik Informatika ingin melakukan perubahan sistem untuk meningkatkan layanan kepada mahasiswa maupun dosen serta untuk menanggapi perubahan kurikulum baru yang diterapkan pada jurusan Teknik Informatika. Pada penelitian ini, dilakukan rekaya ulang dengan menggunakan metode rekayasa ulang iteratif yaitu melakukan rekayasa ulang yang dilakukan dengan cara bertahap. Adapun tahapan yang dilalui dalam penelitian ini adalah analisis sistem warisan, klasifikasi data, desain ulang basisdata, adaptasi program warisan, migrasi data, desain ulang fungsi, tes ekivalensi, dan membersihkan data residual. Pada penelitian ini berhasil melakukan rekayasa ulang sebagian pada komponen penilaian akhir praktikum, penjadwalan praktikum, dan menampilkan seluruh user serta dilakukan penambahan komponen penilaian ujian praktikum.Abstract Information systems are important for a company or agency such as I-Lab which is an information system at the Informatics Engineering Laboratory of the University of Muhammadiyah Malang. Then the Informatics Engineering Laboratory wants to make a system change to improve services to students and lecturers as well as to respond to changes in the new curriculum applied to the Department of Informatics. In this study, a re-engineering was carried out using an iterative reengineering method, namely reengineering carried out in a phased manner. The stages passed in this research are analyze legacy system, data classification, redesign database, adapt legacy component, migrate data, redesign function, equivalence tests, and empty residual data. In this study, it succeeded in re-engineering a portion of the components of the final practicum assessment, practicum scheduling, and displaying all users as well as adding a component of the practical exam assessment.
Pembuatan Jadwal Shift Perawat Dengan Menggunakan Metode Constraint Satisfaction
Authors: Mustafa Rizal Rakhman , Azhar Yufis , Hayatin Nur
Published: July 2020

Rumah Sakit adalah institusi pelayanan kesehatan yang menyelenggarakan pelayanan kesehatan perorangan secara paripurna yang menyediakan pelayanan rawat inap, rawat jalan dan gawat darurat. Rumah Sakit mempunyai beberapa Sumber daya dari suatu fasilitas kesehatan seperti, perawat, dokter dan peralatan medis harus tersedia selama 24 jam sehari dalam satu minggu. Bagi perawat panjangnya jam kerja dapat berdampak buruk pada pelayanan kesehatan dan kualitas kerja, oleh sebab itu penjadwalan merupakan hal yang sangat penting dan membatu perawatan dalam meningkatkan pelayanan kesehatan dan kualitas kerja. Penjadwalan ini diharapkan dapat membatu kepala ruang untuk mendapatkan jadwal dengan beban jam kerja lebih efektif untuk setiap perawat serta memenuhi batasan - batasan penjadwalan yang ada. Constraint Programing (CP) merupakan pendekatan perhitungan atau komputasi matematis atas masalah - masalah yang berkaitan dengan batasan – batasan dari variabel – variabel, dengan tujuan mencari solusi yang memenuhi batasan – batasan tersebut. Setelah melakukan evaluasi terhadap penelitian ini, dapat disimpulkan bahwa penggunaan algoritma Constraint Satisfaction untuk pembuatan jadwal shift perawat ini dinilai cukup efektif. Keberhasilan dalam penjadwalan ini mencapai 99.2% dan 94%.
Pengembangan Sistem Monitoring Langkah Kaki Dengan Sensor Mpu6050 Untuk Menghitung Jumlah Penurunan Berat Badan Berbasis Android
Authors: Ubay Sabrina Nurul , Kusuma Wahyu Andhyka , Sari Zamah
Published: July 2020

Jalan kaki memiliki banyak manfaat, dan salah satunya adalah untuk menurunkan berat badan. Dalam usaha untuk menurunkan berat badan diperlukan adanya pembakaran kalori. Untuk mengetahui hasil pembakaran kalori diperlukan suatu alat yaitu Daily Fitness Activity yang gunanya untuk memonitoring pembakaran kalori dan penurunan berat badan dengan penghitungan menggunakan suatu rumus yang melibatkan jumlah langkah kaki, waktu, serta berat badan pengguna. Untuk mendapatkan jumlah langkah kaki dibutuhkan suatu alat yaitu gyroscope dari sensor MPU6050. Sensor tersebut berperan sebagai monitoring langkah kaki karena berfungsi untuk mengukur dan menentukan orientasi suatu benda berdasarkan pada ketetapan momentum sudut.
Ekstraksi Informasi Kesehatan Masyarakat Dari Tweet Berbahasa Indonesia Berbasis Klasifikasi Dengan Algoritma Naive Bayes
Authors: Rosikin Khoirir , Basuki Setio , Azhar Yufis
Published: July 2020

AbstrakKesehatan merupakan kebutuhan utama manusia. Di Indonesia terdapat  permasalahan tentang kesehatan, yaitu meningkatnya penyakit menular dan penyakit tidak menular. Untuk mengatasinya perlu dilakukan tidakan pencegahan. Salah satu usaha untuk melakukan pencegahan penyakit, adalah dengan mengetahui informasi penyakit tersebut, temasuk tentang penyebab dan akibat yang ditimbulkan, sehingga bisa melakukan pencegahan. Informasi bisa didapatkan dengan berbagai macam cara, salah satunya diambil dari media sosial, terutama twitter. Twitter digunakan karena banyaknya tweet yang dihasilkan sehingga memunculkan fenomena big data. Karena hal itulah, penelitian ini bermaksud untuk melakukan suatu metode ekstraksi informasi. Ekstraksi informasi merupakan metode penerapan data mining terutama bidang text mining yang digunakan untuk mendapatkan informasi dari kumpulan banyak data. Informasi yang dimaksud adalah penyakit, akibat, dan penyebab. Penelitian ini menggunakan pendekatan ekstraksi informasi berbasis klasifikasi dengan algoritma Naive Bayes. Penelitian ini menggunakan 7 set fitur dan sebuah model algoritma klasifikasi yaitu Naive Bayes. Dalam ekstraksi fitur terjadi imbalance dataset, sehingga dilakukan resample filtering data. Pengujian dilakukan dengan 2 metode, yaitu pengujian model dengan menggunakan 10-folds cross-validation dan pengujian klasifikasi dengan menggunakan 100 data uji. Hasil dari pengujian model mendapatkan nilai akurasi 77,27% dan pengujian klasifikasi mendapatkan nilai akurasi 74,07%. AbstractHealth is a primary human need. In Indonesia there are health problems, namely the increase of infectious diseases and non-communicable diseases. To overcome this need to do precautionary measures. One effort to prevent disease, is to know the disease information, including about the causes and effects caused, so it can do prevention. Information can be obtained in various ways, one of which is taken from social media, especially twitter. Twitter is used because of the number of tweets produced resulting in big data phenomenon. Because of that, this research intends to perform an information extraction method. Information extraction is a method of application of data mining, especially the text mining field used to obtain information from a large collection of data. The information in question is a disease, effect, and cause. This research uses a classification-based information extraction approach with Naive Bayes algorithm. This research uses 7 feature sets and a model of classification algorithm that is Naive Bayes. In feature extraction there is imbalance dataset, so it is done resample filtering data. The test is done by 2 methods, namely model testing using 10-folds cross-validation and classification testing using 100 test data. The result of model test get the accuracy value 77,27% and the classification test get the accuracy value 74,07%.
Analisa Sentimen Tweet Berbahasa Indonesia dengan Menggunakan Metode Pembobotan Hybrid TF-IDF pada Topik Transportasi Online
Authors: Wahyunita Sari , Azhar Yufiz , Hayatin Nur
Published: July 2020

Abstrak  Beberapa tahun belakangan ini, muncul perusahaan-perusahaan penyedia jasa transportasi yang menggunakan aplikasi berbasis android dalam proses pelayanannya atau biasa disebut dengan transportasi online. Hal ini dilakukan untuk meningkatkan pelayanan terhadap pengguna jasa transportasi. Hadirnya transportasi online seperti Gojek, Grab dan Uber menimbulkan masalah sosial antara supir transportasi online dan supir transportasi non aplikasi. Penyebabnya dikarenakan sebagian besar masyarakat beralih menggunakan transportasi online, sehingga pendapatan supir transportasi non aplikasi menurun. Pada penelitian ini, dilakukan analisa sentimen terhadap tweet berbahasa Indonesia tentang transportasi online dengan menggunakan metode pembobotan Hybrid TF-IDF dan kNN sebagai metode klasifikasinya. Hasil terbaik dari pengujian cross validation pada uji variable k adalah k=5 dengan nilai akurasi 70%, presisi kelas positif 68%, presisi kelas negatif 75%, recall kelas positif 82%, recall kelas negatif 59%,  f-measur kelas positif 74% dan f-measure kelas negatif 65%.Abstract In recent years, there are same new companies which uses android applications in their service process or commonly called with online based transportation. This case do for improve their service to online based transportations customers. The presence of online based transportation like Gojek, Grab, and Uber inflict social problem between online based transportations drivers with non-aplication based  transportations drivers. The is due to most of the people change over to online based transportation, so non-aplication based  transportations drivers income decreased. In this research,  sentiment analysis against Indonesian tweets about online based transportation by using Hybrid TF-IDF weighting method and kNN classification method. The best cross validation result on the test k variable are k=5 with accuracy value  70%, positive class precision 68%, negative class precision 75%, positive class recall 82%, negative class recall 59%, positive class f-measure 74%, and negatif class f-measure 65%.