bluuebunny/crossref_metadata_2025 huggingface dataset:
Ethnic and Racial Differences in Ratings in the Medical Student Standardized Letters of Evaluation (SLOE)
Authors: Alvarez Al'ai , Mannix Alexandra , Davenport Dayle , Gore Katarzyna , Krzyzaniak Sara M. , Parsons Melissa , Miller Danielle T. , Eraso Daniel , Monteiro Sandra , Chan Teresa M. , Gottlieb Michael
Published: October 2022

Background

The Standardized Letter of Evaluation (SLOE) stratifies the assessment of emergency medicine (EM) bound medical applicants. However, bias in SLOE, particularly regarding race and ethnicity, is an underexplored area.

Objective

This study aims to assess whether underrepresented in medicine (UIM) and non-UIM applicants are rated differently in SLOE components.

Methods

This was a cross-section study of EM-bound applicants across 3 geographically distinct US training programs during the 2019-2020 application cycle. Using descriptive and regression analyses, we examine the differences between UIM applicants and non-UIM applicants for each of the SLOE components: 7 qualifications of an EM physician (7QEM), global assessment (GA) rating, and projected rank list (RL) position.

Results

Out of a combined total of 3759, 2002 (53.3%) unique EM-bound applicants were included. UIM applicants had lower ratings for each of the 7QEM questions, GA, and RL positions. Compared to non-UIM applicants, only some of the 7QEM components: “Work ethic and ability to assume responsibility,” “Ability to work in a team, and “Ability to communicate a caring nature,” were associated with their SLOE. “Commitment to EM” correlated more with GA for UIM than for non-UIM applicants.

Conclusions

This study shows a difference in SLOE rating, with UIM applicants receiving lower ratings than non-UIM applicants.
Theoretical Frameworks in Medical Education: Using a Systematic Review of Ophthalmology Education Research to Create a Theory of Change Model
Authors: Song Sophia L. , Yu Zane Z. , Pavlech Laura , Scott Ingrid U. , Greenberg Paul B.
Published: October 2022

Background

Theoretical frameworks provide a lens to examine questions and interpret results; however, they are underutilized in medical education.

Objective

To systematically evaluate the use of theoretical frameworks in ophthalmic medical education and present a theory of change model to guide educational initiatives.

Methods

Six electronic databases were searched for peer-reviewed, English-language studies published between 2016 and 2021 on ophthalmic educational initiatives employing a theoretical framework. Quality of studies was assessed using the Grading of Recommendations, Assessment, Development, and Evaluations (GRADE) approach; risk of bias was evaluated using the Medical Education Research Study Quality Instrument (MERSQI) and the Accreditation Council for Graduate Medical Education (ACGME) guidelines for evaluation of assessment methods. Abstracted components of the included studies were used to develop a theory of change model.

Results

The literature search yielded 1661 studies: 666 were duplicates, 834 studies were excluded after abstract review, and 132 after full-text review; 29 studies (19.2%) employing a theoretical framework were included. The theories used most frequently were the Dreyfus model of skill acquisition and Messick's contemporary validity framework. GRADE ratings were predominantly “low,” the average MERSQI score was 10.04, and the ACGME recommendation for all assessment development studies was the lowest recommendation. The theory of change model outlined how educators can select, apply, and evaluate theory-based interventions.

Conclusions

Few ophthalmic medical education studies employed a theoretical framework; their overall rigor was low as assessed by GRADE, MERSQI, and ACGME guidelines. A theory of change model can guide integration of theoretical frameworks into educational initiatives.
Crvena lisica (Vulpes vulpes) i egipatski mungos (Herpestes ichneumon) kao prijenosnici dermatofita u Portugalu
Authors: Matos Ana Cristina , Alves Daniela , Coelho Ana Cláudia , Matos Manuela , Cardoso Luís , Figueira Luís , Soares Ana Sofia , Saraiva Sofia
Published: October 2022

Dermatophytosis is a common dermatological infection, affecting humans, pets, domestic ruminants and wild animals. It is a cause for concern as it represents a risk to public and animal health. The aim of this study was to describe the occurrence of dermatophyte infection in wild mammals (road-killed and hunted) in Portugal. Fungal isolation was performed on the fur and scales of 101 wild mammals. Based on the observation of microstructures and colony morphology, fungal isolates were identified to the genus level. Dermatophytes were found in two of the 10 studied species: 3/51 (5.9%; 95% confidence interval [CI]: 0.0–12.3%) red fox (Vulpes vulpes), and 5/19 (2.6%; 95% CI: 0.0–9.8%) Egyptian mongoose (Herpestes ichneumon). These species represent different taxonomic families: Canidae and Viverridae and it is therefore important to infer the role of infection in these animals studied for dermatophytosis.
Artificial reproduction of royal carp (Cyprinus carpio)
Authors: Rouabah Abdelkader , Mimoune Nora , Khelef Djamel , Kaidi Rachid
Published: October 2022

The aim of this study was to establish an experimental protocol for the artificial reproduction of royal carp ‘Cyprinus carpio’ with the hormonal induction of spawning. For this purpose, we conducted this study at an aquaculture farm in Khemis Meliana (Ain Defla, Algeria). The study included six royal carp broodstock, 4 females and 2 males. Hormone injection was performed in the dorsal muscle under the fin. The induction of carp was done successively in females by GnRH at a dose of 3 mg/kg and in males by hCG at a dose of 500 IU per kg weight. Fertilisation was done artificially by the dry method. After incubation of eggs, a binocular magnifying glass was used to check the condition of eggs and the development of the embryos over time. The results obtained show that the artificial reproduction of this species was possible, with success of ovulation and fertilisation, and hatching and growth of the larvae. Stripping was done after 24 h of hormonal stimulation at a temperature of 21°C. Disaggregation of eggs was performed efficiently with whole milk. The total number of eggs was 552,000 eggs with a weight of 1104 g. The average latency time was 22 hours. The hatching rate after 3 days of incubation on artificial spawning grounds at 21±1°C was 441,600 larvae (80%). Larvae food follow-up started from the 3rd day post-hatching with a combination natural food (rotifers) and artificial food. At the end of this experiment, we can conclude that it is possible to improve reproduction through the proper use of hormonal stimulation techniques and by improving feeding and abiotic factors that are dominant in fish farming.
Analysis of florfenicol in pig plasma using a validated PPT-HPLC-DAD method
Authors: Šandor Ksenija , Terzić Svjetlana , Mihaljević Željko , Benić Miroslav , Žarković Irena , Andrišić Miroslav , Perak Junaković Eleonora
Published: October 2022

High performance liquid chromatography (HPLC) has proven to be an effective tool for examining the disposition kinetics of florfenicol (FF), a synthetic broad-spectrum antibiotic used to treat infectious diseases in veterinary medicine. Modification and optimisation of the protein precipitation (PPT) sample preparation procedure and HPLC with diode array detector (DAD) instrumental method were carried out to ensure conditions suitable for FF analyses in pig plasma samples. Stable supernatants with good plasma mean recoveries of FF (99.8% ± 0.7%RSD) were achieved using 1% v/v phosphoric acid solution in methanol and 10% w/v sodium chloride in aqueous solution. The PPT-HPLCDAD method’s detection limit of 0.004 μg/mL and quantification limit of 0.013 μg/mL provides high sensitivity for analyses of FF in plasma samples. In addition, the optimisation of method conditions resulted in shorter extraction and analysis time and less solvent consumption, which stresses the sustainability of this method in analytical chemistry. The optimised and validated PPT-HPLC-DAD method was applied in a comparative study of FF in pig plasma after administration of veterinary medicinal products. The study was conducted on fattening pigs following repeated intramuscular administration of two similar solutions for injection at a dose of 20 mg FF/kg bodyweight (test groups 1 and 2). The solutions for injection contained the same FF concentration, i.e., 300 mg/mL, but differed in excipients. The aim was to examine the influence of administrated solutions for injection on the extent of exposure to FF in pig plasma. The dynamics of kinetic profiles of FF in pig plasma from both treatments correspond to the FF kinetic profiles published in similar studies. However, differences were observed in the concentrations of FF, which were constant throughout the study, and statistical differences between the test groups were confirmed (P<0.05). Though these findings suggest the possible influence of excipients, a full comprehensive conclusion on the influence of administrated solutions for injection on FF exposure in pig plasma requires additional research.
AVALIAÇÃO DA INFLUÊNCIA DO PROCESSO DE SEPARAÇÃO EM JIGUE PNEUMÁTICO NA FORMA DE AGREGADOS GRAÚDOS RECICLADOS DE RESÍDUOS DE CONSTRUÇÃO E DEMOLIÇÃO
Authors: Baroni Tainara , Lovato Patrícia
Published: October 2022

De modo a separar os constituintes do resíduo de construção e demolição, reduzindo a heterogeneidade dos agregados reciclados, têm sido realizados estudos acerca da eficiência de processos de separação. Um desses processos é a separação em jiguepneumático. A sua característica de funcionamento, marcada pela elevada vibração da câmara de separação, provoca um intenso atrito entre as partículas, o que ocasiona a fragmentação de algumas delas. Considerando a influência da forma do agregado nas propriedades do concreto, o objetivo dessa pesquisa foi avaliar a influência do processo de separação em jigue pneumático no índice de forma de sete categorias de agregados graúdos reciclados de resíduos de construção e demolição, analisados isoladamente, sendo eles: agregados de concreto, argamassa, tijolos cerâmicos maciços, blocos cerâmicos de vedação, blocos cerâmicos estruturais, gesso e vidro. Constatou-se que o processo de separação em jigue pneumático influenciou significativamente no índice de forma dos agregados reciclados de concreto, de argamassa, de bloco cerâmico de vedação e de bloco cerâmico estrutural, porém não alterando a sua forma característica, alongada ou lamelar, dependendo do tipo de agregado analisado.
VEGETAÇÃO E DESEMPENHO LUMÍNICO: AVALIAÇÃO DO PROTÓTIPO CASA ALVORADA, PORTO ALEGRE/RS
Authors: Silva Alline Gomes Lamenha , Souza Guilherme Almeida , Mainardi Matheus Scaglia , Mazzuco Marcelo , Sattler Miguel Aloysio
Published: October 2022

O protótipo Casa Alvorada foi idealizado com o intuito de ser um modelo replicável de habitação de interesse social. O projeto contou com soluções calcadas na sustentabilidade, atentando-se para o ciclo de vida dos materiais e nas alternativas preconizadas pela arquitetura bioclimática. Após 18 anos de sua construção, propôs-se uma análise de desempenho pós-ocupação, específica quanto aos condicionantes lumínicos, a partir de uma percepção do crescimento da vegetação em seu entorno. A intensidade de luz natural presente nos ambientes internos foi medida com um luxímetro e os dados obtidos foram, então, lançados no programa ArcGIS, o qual possibilitou visualizar a distribuição de luminância nos diferentes cômodos. Comparando-se os resultados aferidos, aos registrados na época da finalização da execução, pode-se identificar a diminuição dos níveis de luz ingressando pelas aberturas. Dessa forma, constatou-se que o sombreamento provocado pela vegetação induziu o escurecimento dos espaços internos, o que levou à desconformidade quanto aos requisitos mínimos requeridos pela Norma Brasileira NBR 15575-1/2013.
Post-Corona Capitalism
Authors: Nölke Andreas
Published: October 2022

This book draws on comparative and international political economy to explore alternative options for future economic development in the wake of COVID-19. Covering all major infrastructures of contemporary capitalism affected by the pandemic, it analyses the impacts of the crisis on our global socio-economic-political systems.
Farklı Duvar Modellerinde Isı Yalıtımının Etkisinin İncelenmesi
Authors: KAN Mehmet , KORU Murat
Published: October 2022

Bu çalışmada, ısı kaybını belirlemek amacıyla farklı duvar modelleri tasarlanmıştır. Bu amaçla klasik duvar, cam yünlü yalıtımlı duvar, taş yünlü yalıtımlı duvar, tromble duvar ve faz değiştiren malzemeli (FDMli) tromble duvar olmak üzere 5 farklı duvar termal davranışları irdelenmiştir. İlk olarak 2 cm iç sıva, 18,5 cm tuğla ve 2 cm dış sıvadan oluşan yalıtımsız klasik duvar modeli ve daha sonra 5 cm taş yünü ve cam yünü yalıtım malzemeli duvar modelleri için analizler yapılmıştır. Son olarak tromble duvar model uygulaması incelenmiş olup tromble duvar modeline FDM eklenerek ısı yalıtımına etkisi incelenmiştir. 3. bölgede yer alan Isparta iline ait iç ve dış ortam sıcaklıkları belirlenmiştir. Isparta için ocak ayı verilerine göre iç ortam sıcaklığı 22 °C ve dış ortam sıcaklığı -1°C olduğu hesaplanmıştır. Bu duvar modelleri için yapılan analizlerden elde edilen sıcaklık ve ısı akısı verileri karşılaştırılmıştır. Analizler sonucunda iç ortam duvar sıcaklığı FDMli tromble duvar modeli analizler sonucunda daha iyi sonuçlar elde edildiği gözlemlenmiştir.
Modern views on skin biopsy in the diagnostic algorithm of dermatooncological diseases
Authors: Aslanyan S.A. , Gumeniuk K.V. , Lysenko D.A.
Published: October 2022

Background. Malignant neoplasms of the skin are fairly common tumors in the world population and among the population of Ukraine. The main method of diagnosing skintumors is a biopsy, which allows establishing a diagnosis at an early stage and ensures the cure of most patients.

Purpose. To evaluate modern recommendations for skin biopsy in the diagnosis of dermato-onсological diseases.

Materials and methods. The search for sources of information was conducted using the MEDLINE/PubMed, EMBASE/ExcerptaMedica, CochraneLibrary, PubMed та Google Scholar databases using the following keywords: skin biopsy, skin tumors, diagnosis, melanoma. Among the identified sources, works without statistical analysis, descriptions of individual cases, articles without conclusions, and sources with duplicate results were excluded. The search depth was 10 years.

Results. As a result of the conducted search, 57 publications were found that corresponded to the declared purpose. The most common methods are: puncture, shaving, excisional and incisional biopsy. Most guidelines recommend full-thickness excisional biopsy as the preferred procedure for the diagnosis of suspected melanoma. It is indicated that a statistically significant mortality rate was found in the puncture biopsy group. Most observations showed no significant differences in melanoma recurrence between excisional biopsy and puncture groups. Given the clinical diversity of melanoma, there is no uniformity in the types of biopsies performed to diagnose melanoma. The most inaccurate method turned out to be the punch biopsy method, which is associated with an increased risk of underdiagnosis of melanoma.

Conclusions. A skin biopsy is a mandatory first step to establish a definitive diagnosis of a skin tumor. Excisional complete biopsy is the most justified in most cases of diagnosis. Rational biopsy technique remains an issue that needs further study.
Characteristics of X-ray pattern of lung lesion in COVID-19 in adult patients with cystic fibrosis
Authors: Tkachenko M.M. , Morozova N.L. , Tanasichuk-Gazhyeva N.V. , Cherkasova L.A.
Published: October 2022

Background. Patients with cystic fibrosis (CF) fall into the risk group of breathing passages infection as a result of clinical features of the disease. During the period of COVID-19 pandemic,the necessity of understanding how infection affects the course of the main disease has appeared, taking into account that viability of patients is essentially determined by the degree of lung lesion. Early diagnostics and complex therapy of coronavirus infection increase the lifespan of CF patients and improve quality of life. X-ray examinations play the leading role in solving this problem.

Purpose – to establish risk factors of the main pathological process aggravation by determining diagnostic significance of roentgen sings of lung lesion in COVID-19 in CF adult patients.

Materials and methods. Theanalysis of radiography and computed tomography results of 11 adult patients with CF of moderate and severe degree who were also diagnosed with coronavirus infection.

Results. The main X-ray symptoms in observed patients with CF with confirmed diagnosis of coronavirus infection was pneumonic infiltration of different degrees in the setting of diffuse changes of lung pattern and features of pulmonary emphysema. Besides symptoms of the main disease, computed tomography allowed us to find the signs, which we consider to be the signs of pneumonia caused by COVID-19 infection – induration of lung tissue in the form of ground-glass opacity, presence of ground-glass areas of different shapes with reticular changes and consolidation of lung tissue, bilateral localization of pathological changes, predominantly in basal and subpleural areas.

Conclusions. Lung lesion conditioned by COVID-19 in radiography of CF patients may be disguised by the features of the main disease manifestations. Therefore, any X-ray evidence of inflammatory lung changes in CF patients during the epidemic period must be regarded as COVID-19 suspected, and polymerase chain reaction and computed tomography must be performed.
Proposed Capital Budgeting: Should PT.FST Close its Kelambu Division?
Authors:   School of Business and Management, Institut Teknologi Bandung, Pitono Andika Prawira
Published: October 2022

In 2021, the manufacturing industry is Indonesia’s most significant contributor to its Gross Domestic Product (GDP). Within the manufacturing industry, there is a sub-industry called the textile industry. The textile industry in Indonesia is highly fragmented. For instance, there are three niche textile markets: textile for households, textile for clothing, and textile for agriculture. The three segments have different growth of 4%, 7.5%, and 5%, respectively, and this difference in growth rate will create a dilemma for companies. For instance, companies must decide which segment needed to be perused or avoid since each segment will have its opportunities and threats. PT. FST also faces this dilemma. The differences in each segment’s growth rate are reflected by the company’s sales growth of each product. The sales of plastic products Waring and Benang growth rates are 34% and 52% five years CAGR, respectively. Those are substantial growth compared to the textile products of Kelambu with only 23% five years CAGR. From there, the company’s owner and CEO see a shift in the growth of products sold, from textile products to plastic products. To capture the shifts in demand within the market, he decided to close the Kelambu division to make the company leaner and will be able to focus its resources on the products that will generate revenue the most. From capital budgeting analysis, the plan of shutting down the Kelambu division will result in a faster payback period of 7.2 years compared to 8 years for the regular cash flow and 8.05 years compared to 8.12 years for the regular cash flow the discounted cash flows. More importantly, it generates a higher NPV of IDR 1,087 bio than IDR 976 bio. In addition, the plan also has a higher Profitability Index and IRR of 6.04 and 25% compared to 5.01 and 22%. From risk analysis, the expected value of the project’s is IDR 1,457 bio, with a probability of NPV less than zero is 8%. Lastly, this final project contributes to the literature by providing an alternative framework on how to use capital budgeting techniques to compare two expansion plans or closing down divisions within a company. Moreover, other textile industry players, especially SMEs could also refer to this final project if they face a similar dilemma.
PENGARUH PEMBELAJARAN DARING DAN LURING TERHADAP MOTIVASI BELAJAR PESERTA DIDIK
Authors: Harun  , Burhanuddin  , Hardianto Rahman
Published: October 2022

This study aims to knowing effect of online learning on students' learning motivation, knowing effect of online learning on students' learning motivation, knowing effect of simultaneous online and offline learning on students' learning motivation in Islamic religious education subjects at SMK Negeri 1 Sinjai. This research is included in the type of ex post facto research using a quantitative research approach. The population in this study were all students of class X SMKN 1 Sinjai, while the sample consisted of 80 students. The data collection techniques used in this study were questionnaires and documentation, while the data analysis used multiple regression analysis techniques.The results of this study indicate that the effect of online learning on learning motivation is 0.029. The significance value of obtained is smaller than (0.029 > 0.05), there is an effect of offline learning on learning motivation of 0.010. The significance value of obtained is smaller than (0.010 > 0.05), there is an effect of simultaneous online learning and offline learning on learning motivation. Based on the value of Fhit = 23,095> Ttable = 2,720. The effect of the independent variable Online Learning and Offline Learning on the independent variable Learning Motivation of Learners is 35.9%. While the remainder (100%-35.9% = 64.1%) is influenced by other variables.
Analysis of the numerical solution of the three-phase nonisothermal fluid flow problem
Authors:   Amanzholov University, Ust-Kamenogorsk, Kazakhstan, Baigereyev D. R. , Alimbekova N. B. ,   Amanzholov University, Ust-Kamenogorsk, Kazakhstan
Published: October 2022

This paper is devoted to the construction and study of the stability and convergence of a numerical method for solving the problem of three-phase non-isothermal fluid flow in porous media, taking into account capillary forces, which was carried out within the framework of the grant project No. AP08053189 provided by the Ministry of Education and Science of the Republic of Kazakhstan. The model under consideration describes the processes occurring in oil reservoirs during the production of heavy oil by the method of thermal steam stimulation of the reservoir. The formulation of the differential problem is based on the introduction of a change of variables called global pressure, which makes it possible to exclude the capillary pressure gradient from the pressure equation. For the numerical solution, a numerical scheme was constructed. An a priori estimate in the energy norm is obtained, which expresses the stability of the constructed scheme with respect to the initial data and the right-hand sides of the equations. The theorem on the convergence of the solution of a numerical scheme to the solution of a differential problem is presented.
On the basicity by riesz of the eigenvectors system of a correct restriction of the maximality linear operator
Authors:   Eurasian national university named after L.N. Gumiylev Kazakhstan, c.Nur-Sultan, Biyarov B. N. , Zakariyeva Z. A. ,   Eurasian national university named after L.N. Gumiylev Kazakhstan, c.Nur-Sultan
Published: October 2022

The work is devoted to the study of the similarity of a correct restriction to some self-adjoint operator in the case when the minimal operator is symmetric. The resulting theorem was applied to the SturmLiouville operator and the Laplace operator. It is shown that the spectrum of a non self-adjoint singularly perturbed operator is real and the corresponding system of eigenvectors forms a Riesz basis.
Development of a program for the integration of socio-economic indicators with spatial data to analyze the standard of living of the population of kazakhstan
Authors:   Al-Farabi Kazakh National University, Almaty, Kazakhstan, Ospan A. G. , Mansurova M. E. ,   Al-Farabi Kazakh National University, Almaty, Kazakhstan, Kakimzhanov Ye. Kh. ,   Al-Farabi Kazakh National University, Almaty, Kazakhstan, Ixanov S. Sh. ,   Al-Farabi Kazakh National University, Almaty, Kazakhstan, Barakhnin V. B. ,   Federal Research Center for Information and Computing Technologies, Novosibirsk, Russia,   Novosibirsk State University, Novosibirsk, Russia
Published: October 2022

Up-to-date and reliable information is vital for assessing the socio-economic status of the population and effective decision-making. With the help of a spatial information base, social security and living standards data can be integrated to formulate strategic development plans and improve decision-making. This article presents the work on the integration of information about the standard of living and social security of the inhabitants of Kazakhstan with the display of data on the map. GIS tools were used for integration, as the latest technological advances in this field allow the manipulation of large amounts of geographic data and the creation of a spatial environment with socio-economic data. This work includes collecting unstructured data from the Bureau of National Statistics, reformatting the data into a structured database as an attribute-value pair, calculating important living standards indicators such as the real income index, the depth and severity of poverty and the social inequality index, and monitoring the results on the web map to compare regions based on the results obtained. It is also important to note the operation performed for the gridding of table attributes, since it was implemented automatically using the GIS tool. The results of the work are presented for three important indicators of the standard of living and displayed on a map using a heat map to visually show the changes in the indices for each region of Kazakhstan.
Computer simulation and description of alpha particle decay and isotope separation
Authors:   M.Auezov South Kazakhstan University, Shymkent, Kazakhstan, Nysanov E. A. , Kurakbayeva S. D. ,   M.Auezov South Kazakhstan University, Shymkent, Kazakhstan, Makhatova A. Kh. ,   M.Auezov South Kazakhstan University, Shymkent, Kazakhstan, Kozhabekova A. E. ,   M.Auezov South Kazakhstan University, Shymkent, Kazakhstan, Musabekov A. A. ,   M.Auezov South Kazakhstan University, Shymkent, Kazakhstan
Published: October 2022

The computer simulation features of the alpha particle decay and isotope separationare discussed in presented paper. When positively charged alpha particles hit a thin plate of matter, then at a close distance to the nuclei they are repelled from the nucleus of an atom, deviating from a straight line in motion, and can even change the rectilinear motion, strongly repulsing from the nucleus and moving towards the source of alpha particles. These cases are simulated and graphs of the trajectories of alpha particles are plottedusing modern computer mathematical system Mathcad.It is proposed to compose differential equations describing the trajectory of the alpha particle and solve them by using the Bulstoer function in the Mathcad. The simulations perfectly confirm the predicted behavior of particles some of them deviate from their linear motion in the absence of a nucleus, and some of the particles change direction in the opposite one. Particle sensors installed in different parts of the physical device detect such changes in the trajectory, which is a confirmation of the atomic theory of the structure of matter and materials. An application program for describing the spectroscopic method of isotope separation has been developed and discussed in detail. Of course, the described models cannot be considered absolutely accurate. For example, if the particles are aimed exactly at the nucleus, significant errors can occur. If the particle speed is high, then the particles can overcome the repulsive force of the nucleus, causing the particles to be absorbed by them. Such absorption conditions are not taken into account in the developed models. One of the important tasks of nuclear physics is the separation of isotopes. An application program has been developed to describe the spectroscopic method of isotope separation. This method is based on the characteristics of the trajectory of ions that radiate and oscillate under an impact of a magnetic field. A system of differential equations describing the motion of ions is given. The problem of the motion of electrically charged particles in a uniform magnetic field is solved in the Mathcad.
SIGNS OF STABILITY OF AQUATIC ECOSYSTEMS IN MATHEMATICAL MODELS
Authors:   S. Seifullin Kazakh Agrotechnical University, Nur-Sultan, Kazakhstan, Moldasheva R. , Ismailova A. ,   S. Seifullin Kazakh Agrotechnical University, Nur-Sultan, Kazakhstan, Zadagali A. ,   L. N. Gumilyov Eurasian National University, Nur-Sultan, Kazakhstan
Published: October 2022

To date, various data on water resources have been accumulated, but hydrobiological and hydrochemical indicators remain available to assess the current state of aquatic ecosystems, which can be the basis for assessing the environmental situation within the water body. Systematization of multiyear and diverse data on the lakes and rivers of the country, the use of mathematical tools for assessing and forecasting the state of the aquatic ecosystem is impossible without the use of information and communication technologies. Quality mathematical modeling of aquatic ecosystems and the development of information and analytical system for the study of aquatic ecosystems is an urgent task, including databases of various-quality data on the water body and its ecosystem, data management and processing tools, as well as a set of mathematical models for the functioning of the water body ecosystem. Research is based on information technology, statistical data processing, and mathematical modeling. Mathematical models are based on systems of differential equations, solutions are sought with the help of own computing programs and software suites (Maple, Matlab, Mathematics, etc.). When possible, modeling includes analytical studies of the properties of solutions, primarily this concerns stationary or spatially homogeneous solutions, as well as asymptotic properties of solutions. The lower trophic levels of the water body ecosystem are studied, as this determines the functioning of aquatic ecosystems. The species composition of phytoplankton is an indicator of the ecological state of the water body. Based on the quantitative characteristics of phytoplankton, the bioproductivity of the aquatic ecosystem is calculated. The physical and chemical characteristics of water allow drawing conclusions about the pollution of the water body and the composition of mineral nutrition for phytoplankton.
A criterion for unique solvability of a multipoint boundary value problem for systems of integro-differential equations with involution
Authors:   Khoja Akhmet Yassawi International Kazakh-Turkish University, Nazarova K. Zh. , Usmanov K. I. ,   Khoja Akhmet Yassawi International Kazakh-Turkish University, Shadibekov K. M. ,   Khoja Akhmet Yassawi International Kazakh-Turkish University
Published: October 2022

On the interval [0, T], a multipoint boundary value problem is considered for the systems of integrodifferential equations with an involution transformation, when the kernel of the integral term is degenerate. Using the involution property, the problem is reduced to a multipoint boundary value problem for the systems of integro-differential equations with a degenerate kernel. It is shown that by introducing new parameters, changing variables and using the degeneracy of the kernel, the unique solvability of the original problem can be reduced to the inversibility of the resulting matrix.
Олди-сотди шартномаси тушунчасининг илмий-назарий таҳлили
Authors: Шоназаров Ulfat
Published: October 2022

Мақолада муаллиф томонидан олди-сотди шартномаси тушунчасининг илмий-назарий таҳлили, маҳаллий олимлар билан бир қаторда хорижий ҳуқуқшунос олимларнинг ҳам олди-сотди шартномасига оид қарашлари атрофлича ёритиб берилган. Шунингдек, олди-сотди шартномасининг ўзига хос хусусиятлари ҳам алоҳида санаб ўтилган.
Учинчи ренессанс шароитида ёшлар иқтисодий тафаккурини ривожлантиришнинг омиллари
Authors: Асрақулова Адиба
Published: October 2022

Мақолада учинчи ренессанс шароитида ёшлар иқтисодий тафаккурини ривожлантиришнинг омиллари ижтимоий-фалсафий нуқтаи назардан тадқиқ этилган. Шунингдек, мақолада ёшларнинг иқтисодий тафаккурини шакллантиришга доир назарий хулосалар ва тавсиялар ишлаб чиқилган.
Жамоат хавфсизлигини таъминлаш объектлари ва субъектларининг ўзаро алоқадорлиги
Authors: Исмаилов Исамиддин , Холматов Маъруф
Published: October 2022

Ушбу мақолада жамоат хавфсизлигини таъминлаш объектлари ва субъектларининг ўзаро алоқадорлиги тўғрисида фикр юритилган бўлиб, “жамоат”, “хавфсизлик”, “таъминлаш”, “объект”, “субъект”, “алоқа”, “жамоат хавфсизлиги”, “жамоат хавфсизлигини таъминлаш” каби тушунчалар этимологик жиҳатдан таҳлил қилинди. Шунингдек, жамоат хавфсизлигини таъминлаш объектларини аниқ ва тўлиқ қамраб олишга хизмат қиладиган миллий манфаатлар кўриб чиқилди. Тадқиқотлар давомида “жамоат хавфсизлиги” тушунчасини тадқиқ қилиш бўйича ёндашувлар ўрганилди. Мамлакатимизда аҳолининг тинч ва осойишта ҳаётини ҳамда жамиятда барқарор тараққиётни таъминлашга хизмат қилиб келаётган жамоат хавфсизлигини таъминлаш тизимини такомиллаштириш борасида олиб борилаётган ишлар кўриб чиқилди. Хавфсизлик назариясида мавжуд ёндашув, қоида, фикр ва мулоҳазалар асосида жамоат хавфсизлигини таъминлашнинг объектлари ва субъектларини умумий, махсус ҳамда хусусий турларга ажратган ҳолда ўрганиш юзасидан хулосалар қилинди.
Low-Grade Oncocytic Tumor of Kidney: A Distinct Emerging Entity in Renal Oncocytic Neoplasms with Diagnostic Challenge in An Old Female: A Case Report
Authors: Khan Manahil , Qureshi Madiha Bilal , Uddin Zeeshan
Published: October 2022

Low grade Oncocytic Tumor (LOT) is an emerging category in renal tumors having oncocytic morphology. It has overlapping features with Renal Oncocytoma and Eosinophilic variant of Chromophobe Renal Cell Carcinoma. LOT typically shows solid nests of cells with oncocytic cytoplasm and uniform round to oval nuclei with a CK7 positive/ CD117 negative immunophenotype. Pathogenesis is not well-understood, however, variations in mTOR pathway related genes have been described. The clinical course is indolent. Here, we present the case a 64-year-old female patient who presented with a solid enhancing mass in right kidney with the clinical impression of Renal cell carcinoma. Right radical nephrectomy was performed, and histologic features were consistent with LOT.
Thyroglossal Duct Cyst Carcinoma in The Pediatric Population: A Case Report and Literature Review
Authors: Yun Ho Min , Yong Chen , Tien Lee York , Seng Michaela Su-Fern , Yeung Lau Hiu , Ee Hoon Teo Constance , Yun Tay Ze , Loh Amos Hong Pheng
Published: October 2022

Thyroglossal duct cyst carcinoma (TGDCa) is a rare cause of neck masses in children. Its pathophysiology stems from two main theories. One suggests that the primary carcinoma originated from ectopic thyroid tissue, whilst the other suggest it is a result of metastasis to the thyroglossal duct cyst from the thyroid gland. A case of a 12-year-old girl who presented with a suspicious neck mass and subsequently diagnosed with TGDCa is reported. A literature review was performed and we conclude that aggressive surgical management of a Sistrunk procedure, total thyroidectomy, bilateral tracheoesophageal groove clearance and neck dissection was justified for this child. We found that if the preoperative diagnosis is TGDCa, a more aggressive surgical approach tends to be taken. However, cases of recurrence remain low and a total thyroidectomy does entail a larger morbidity for the pediatric patient. Hence, we do not recommend an aggressive approach routinely. In this review, we extrapolated AJCC data for thyroid malignancies and staged the TGDCa reported in literature in the last 10 years. It showed us that pT3 tumors tend to have a more aggressive surgical course, whilst a pT1 TGDCa tend to receive a more conservative surgical approach.
Developing Adaptive Antennas for High-Capacity Communication Systems and Tracking Multiple Cellular Phones
Authors: Mohamed Ramdan Amter , Babiker A. Awad
Published: October 2022

In the lower microwave region, researchers are looking into solutions to overcome the problem of a crowded spectrum and limited accessible bandwidth. Researchers have recently devised systems that use directional antennas to overcome the problem of restricted channel bandwidth by combining sector beams from multiple directional antenna elements. By boosting channel capacity, enhancing spectral efficiency, extending range coverage, customizing beam shapes, and allowing multiple beams to steer to detect and track numerous mobile users, this strategy increases system performance. This study assumes and discusses a strategy for creating numerous beams. The goal is to build a physical representation of the cellular phone network. It is suggested that a beam guiding algorithm be used.
PROJETO DE CASA CONTÊINER ENERGIA ZERO VIA SIMULAÇÃO E OTIMIZAÇÃO MATEMÁTICA PARA DIFERENTES CLIMAS DO BRASIL
Authors: Gamarra Melanie Gissel Urdangarín , Siqueira Jair Antonio Cruz
Published: October 2022

As edificações são responsáveis por 50% do consumo de energia elétrica global, ao passo que se prevê que esta participação continue aumentando. Uma das chaves para satisfazer o aumento da demanda por eletricidade é a construção de edifícios mais eficientes. Por este motivo, as edificações energia zero são o atual alvo da construção civil a nível mundial. Os principais obstáculos no desenvolvimento de edificações energia zero são o alto custo inicial e a falta de conhecimento; uma opção atraente para superar estas dificuldades são às construções modulares produzidas de forma padronizada e a partir de contêineres marítimos. Com o intuito de preencher a carência de estudos nesta área, o presente trabalho tem por objetivo propor um projeto de habitação unifamiliar em contêineres energia zero elaborado através de otimização baseada em simulação para cada zona bioclimática do território brasileiro. A metodologia para atingir esse objetivo compreende as seguintes etapas: (i) Definição de um modelo base de simulação no programa EnergyPlus; (ii) Minimização do custo do ciclo de vida, para cada zona bioclimática, por meio do motor de otimização GenOpt; (iii) Análise do conforto térmico; (iv) cálculo dos sistemas solares para tornar os modelos de edificação energia zero ao longo do ano.
SEGURANÇA ALIMENTAR E NUTRICIONAL: PROGRAMA DE ALIMENTAÇÃO NA ESCOLA E SUA UTILIZAÇÃO
Authors: Auxiliadora de Resende Luana , Santos Claudiomir Silva , Santos Rita Fabricio , Barbosa Ronei Aparecido
Published: October 2022

Resumo:
O Programa de Alimentação Escolar (PNAE) visa promover e garantir a alimentação e segurança alimentar, suprindo as necessidades nutricionais dos estudantes, sendo um direito garantido pela Constituição Federal do Brasil. Objetiva-se com esta revisão integrativa avaliar a utilização do PNAE no município de Poços de Caldas – MG. A revisão foi realizada por meio de busca na base de dados do Sistema de Gestão de Prestação de Contas (SiGPC) utilizando como estratégia de busca os dados referentes à cidade de Poços de Caldas – MG em um período de 5 anos (2015 a 2019), e considerando 10 perguntas do questionário do site SiGPC-Acesso Público. Observamos que o município cumpre com o estabelecido na Lei Federal nº 11.947/2009, que exige obrigatoriedade de que os municípios destinem 30% dos recursos repassados para Estados e municípios na compra direta de alimentos provenientes da agricultura familiar. Considerando-se o questionário de acesso público, verificamos que ele contribui para que a população acompanhe de forma transparente os recursos públicos, o PNAE contribui para uma melhor alimentação escolar e segurança alimentar e nutricional e que a compra direta de alimentos provenientes da agricultura familiar movimenta a economia local.
A CIDADE E GESTÃO DE RECURSOS HÍDRICOS: CONFLITOS, CONTRADIÇÕES, SUPERAÇÕES E EDUCAÇÃO AMBIENTAL. O CASO DA BACIA HIDROGRÁFICA DO RIO IGARAPÉ-AÇU
Authors: Da Silva Marilena Loureiro , Mendes Junior George Ferreira
Published: October 2022

Diante de vários problemas relacionados ao desmatamento das matas ciliares que protegem os recursos hídricos, do surgimento de ocupações urbanas desordenadas, falta de saneamento básico e ausência de políticas voltadas à educação ambiental, surge a necessidade de identificar os impactos ocasionados e correlacioná-los com a legislação que o resguarda. Os casos mais frequentes acontecem nos rios e igarapés que cercam e cortam o centro urbano e meio rural do município, que recebem todos os dejetos das galerias de coletas dos efluentes líquidos das residências, o município não detém tratamento desses dejetos que são despejados em sua grande maioria nos rios e igarapés da sede do município. A ausência de programas e políticas que possam atender e contemplar a educação ambiental tem se mostrado um fator que sugere que as ações causadoras de impactos ambientais permanecem crescentes de forma geométrica e aritmética. Fomentar instrumentos para o plano de educação ambiental e propor a recuperação das áreas de preservação permanente desmatadas é um desafio lançado pela sociedade e que hoje ganhou repercussão dado a relação entre as catástrofes ambientais.
RESÍDUOS SÓLIDOS URBANOS E A OCORRÊNCIA DE ALAGAMENTOS NO NÚCLEO URBANO CENTRAL DE CURITIBA
Authors: Fonseca Murilo Noli da , Da Silva Ferentz Larissa Maria
Published: October 2022

O objetivo do presente artigo é avaliar a relação entre a coleta de resíduos sólidos urbanos e a ocorrência de alagamentos nos municípios pertencentes ao Núcleo Urbano Central de Curitiba (NUC), no período compreendido entre 2007 e 2018. Os resultados indicam que, por um lado, as taxas de urbanização nos municípios com ocorrência elevada de alagamento encontram-se acima de 30%. Por outro, aqueles com as maiores ocorrências (Araucária, Curitiba e São José dos Pinhais) pertencem ao grupo dos maiores investimentos quanto aos resíduos. Portanto, a partir desta relação, pode-se destacar que o problema se encontra na insuficiência dos sistemas de drenagem local. Baseado nisso, destaca-se a importância dos gestores públicos na implementação de medidas de controle e fiscalização quanto ao descarte correto de resíduos.
TRACTION BATTERIES OF MODERN ELECTRIC VEHICLES
Authors: S. B. Kokin
Published: October 2022

"The purposeful policy of developed countries to transform the global economy and form a new world order, an important feature of which will be an alternative fuel and energy balance, requires the reaction of all states, including Kazakhstan. Despite the rich reserves of hydrocarbon raw materials, Kazakhstan cannot ignore the fact that the main energy consumer – transport – has begun to actively gain momentum in the movement to reduce the consumption of fossil fuels. And the most important trigger of changes in this process was the increase in the production of electric vehicles, growing on high expectations of unsatisfied demand. The transformation will affect not only the transport industry, but also related segments of related industries. The adoption of carbon neutrality standards, as well as the integration of fundamentally new infrastructure and new modes of transport into everyday life will require the development of related technologies, deep modernization of existing and creation of new industries at all stages of the life cycle: extraction of raw materials for batteries, development and production of electric vehicles and components, charging stations and energy infrastructure, information infrastructure and cybersecurity, recycling and others."
Sport events and Covid-19: Trail runners’ attitudes and intentions during the pandemic
Authors: SATI Aypar , KURT Settar Uğur , ÖZGEN Necmiye Nida
Published: October 2022

COVID-19 has affected sport events, marathons, and trail-running events. Thus, it has become essential to understand the attitudes and intentions of runners, regarding their participation in the races. Therefore, this study aims to examine the changes in runners’ attitudes relating to their decision whether to participate in races, and changes in their habits because of the pandemic. Employing a qualitative research design, data were collected from 12 interviewees in Ephesus Ultra Marathon Trail Race, and by using participatory observation method. The results revealed that the participants’ motivations for participating in race events during the pandemic were socialization, healthy living, realizing their goals, and maintaining friendships. Despite the risks, the participants did not hesitate to participate in events for their belief in athlete immunity, confidence in individual precautions, their respect for the rules and the absence of fear. However, the decrease in the number of activities was found to create dissatisfaction, as it limited socialization.
Revisitando a proibição de exceptio dominii no juízo possessório de força nova: aspectos materiais e processuais na perspectiva da função social da posse
Authors: Silvestre Gilberto Fachetti , De Moraes Neves Guilherme Valli
Published: October 2022

Objetivo: Trata-se de artigo que resultou de pesquisa destinada a analisar a possibilidade hermenêutica de afastar, de lege lata, a proibição que impede o réu de uma ação possessória de força nova apresentar uma exceção de domínio. Metodologia: A partir de um método qualiquantitativo, a pesquisa analisou os fundamentos teóricos da literatura jurídica tradicional que defende a proibição de excepcionar com o domínio para contrapor com os valores contemporâneos da civilística e da processualística. Dedutivamente, foi elaborada uma tese propositiva para amenizar o rigor histórico da proibição de exceptio dominii. Resultados: Constatou-se que o entendimento majoritário, histórico e tradicional não se coaduna com a operabilidade da norma, a economia processual, a duração razoável do processo, a efetividade processual, a pacificação social pela jurisdição e a função social da posse. Assim, a pesquisa produziu uma sistematização hermenêutica pela qual a ação possessória de força nova pode ser dividida em duas fases, de modo que a exceção de domínio pode ser apresentada na primeira fase e ser discutida na segunda. Contribuições: A atual sistemática do procedimento especial possessório traz prejuízos às partes, que terão que litigar em duas ações distintas (uma possessória e petitória), quando poderiam discutir toda a matéria já na primeira ação. Com essa proposta hermenêutica, a pesquisa elabora uma forma de fazer com que somente uma ação seja proposta e, assim, diminuir o risco de as partes lidarem e por mais tempo com um Judiciário que não célere e eficiente.
Perancangan Sistem Informasi E-Recruitment Berbasis Website
Authors: Letare Rany Solafide , Septiana Laila , Haryanti Tuti Haryanti
Published: October 2022

Pada perusahaan XYZ hampir diseluruh kegiatannya menggunakan sistem secara konvensional,hal tersebut tentu saja sering menghabiskan waktu yang cukup lama sehingga menimbulkan ketidak efisienan dan ketidak akuratan dalam penyajian data serta laporan. Sistem secara konvensional ini yang khususnya pada bagian rekruitmen karywan tentu memiliki banyak kekurangan dan proses pengolahan laporan penerimaan karyawan baru menjadi tidak efektif. Melihat hal tersebut penulis mencoba membuat Perancangan sistem penerimaan karyawan baru dengan menggunakan pendekatan model pengembangan System Development Life Cycle (SDLC) berbasis website. Untuk memudahkan dalam memahami setiap tahapan-tahapan dalam perancangan sistem penerimaan karyawan baru, penulis menggunakan model linear waterfall agar menghasilkan sebuah rancangan program yang mampu mengelola data rekruitmen karywan sampai dengan laporan-laporan terkait dengan proses rekruitmen tersebut menjadi informasi sesuai dengan kebutuhan dengan lebih efektif dan efisien. Hasil dari perancangan sistem penerimaan ini menunjukkan bahwa peranan sistem komputerisasi dalam bidang rekrutmen sangat penting sebagai penunjang dalam meningkatkan kualitas kegiatan penerimaan karyawan pada perusahaan.