bluuebunny/crossref_metadata_2025 huggingface dataset:
Verification of deterministic and probabilistic radar precipitation nowcasting in warm and cold seasons in the European part of Russia
Authors:   Hydrometeorological Research Center of Russian Federation, Moscow, Russia, Muravev A.V. , Kiktev D.B. ,   Hydrometeorological Research Center of Russian Federation, Moscow, Russia, Smirnov A.V. ,   Hydrometeorological Research Center of Russian Federation, Moscow, Russia, Pavljukov . Ju.B ,   Central Aerological Observatory, Dolgoprudny, Moscow region, Russia, Serebrjannik N.I. ,   Central Aerological Observatory, Dolgoprudny, Moscow region, Russia
Published: April 2023

Comparative quality analysis of ensemble radar precipitation nowcasting based on test results for the warm (May–September 2020) and cold (November 2021–March 2022) seasons are presented. Composite precipitation intensity fields obtained from radar observations were used as control data for verification. In both periods, a slight but systematic advantage of forecasts of the mean ensemble field was revealed, which indicates the expediency of using ensembles of even a small volume. For all the skill scores used (except for the frequency bias), forecasts in the cold season turn out to be better than forecasts in the warm season, however, the sample sizes for verification in the cold season may be significantly lower than the corresponding sample sizes in the warm season. The problems of comparative quality analysis are discussed, which are caused, in particular, by the loss of spatial connectivity of the composite field during the cold season. Keywords: ensemble nowcasting of meteorological fields, radar precipitation estimates, composite precipitation field, point and spatial field forecast verification
Improved dynamic statistical method for forecasting monthly surface air temperature
Authors:   Hydrometeorological Research Center of Russian Federation, Moscow, Russia, Vilfand R.M. , Kruglova E.N. ,   Hydrometeorological Research Center of Russian Federation, Moscow, Russia, Kulikova I.A. ,   Hydrometeorological Research Center of Russian Federation, Moscow, Russia, Khan V.M. ,   Hydrometeorological Research Center of Russian Federation, Moscow, Russia,   A.M. Obukhov Institute of Atmospheric Physics Russian Academy of Sciences, Moscow, Russia
Published: April 2023

The possibility of improving the dynamic statistical method for forecasting monthly air temperature using modern hydrodynamic models and statistical methods in operational practice of the Hydrometeorological Research Center of Russia is substantiated. The technology for monthly forecasting of surface air temperature anomalies based on the combination of the improved scheme of medium-range forecasts of weather elements for 15 days and the SL-AV model output forecast data for 16–30 days is presented. Forecast skill scores obtained in real time for 326 stations located on the territory of Russia are given. Advantages of the proposed approach are shown, especially in the case of significant air temperature anomalies. The results are supposed to be used in the technology of long-range forecasting at the Hydrometeorological Research Center of Russia. Keywords: surface air temperature, monthly forecasts, statistical correction, verification
Forecasting sea surface temperature and 2 m air temperature with a coupled ocean-atmosphere system for the White Sea region in summer
Authors:   Hydrometeorological Research Center of Russian Federation, Moscow, Russia, Butakov N.Y. , Rubinstein K.G. ,   Hydrometeorological Research Center of Russian Federation, Moscow, Russia,   Nuclear Safety Institute of the Russian Academy of Science, Moscow, Russia
Published: April 2023

The results of forecasting the fields of hydrometeorological parameters with a coupled ocean-atmosphere system for the White Sea region for the period of June 2–September 1, 2015 are presented. The coupled system included the atmospheric (WRF-ARW), oceanic (ROMS) and wave (SWAN) models. Sea surface temperature (SST) and 2 m air temperature forecast skill scores are obtained. A systematic overestimation of the computed SST values relative to the OISST analysis data is 0.4 °C. The 2 m air temperature forecasts were generally more successful when using the coupled system than when using the WRF-ARW, and the improvement was observed mainly in the land areas immediately adjacent to the White Sea. Time intervals in which the influence of the sea on the 2 m air temperature forecasts was maximum and minimum are given. Keywords: coupled ocean-atmosphere system, ocean-atmosphere interaction, White Sea, WRF-ARW, ROMS, SWAN
The Effect of E-WOM on Green Purchase Behavior
Authors: Mustikasari Ratih Pandu
Published: April 2023

E-Wom, as a form of marketing communication, makes many contributions to marketing activities. E-Wom, in several previous studies, showed a contribution to consumer behavior. This study links the concept of E-Wom with green products and looks at its effect on Green Purchase Behavior. Green product is currently a much-discussed issue, given the increasingly felt impact of global warming. Global warming has finally forced corporates and consumers to be wise in choosing products. The method used in this research is an explanatory quantitative method, with a data collection tool in the form of a questionnaire. Respondents in this study were late adolescents and early adults in Surabaya and its surroundings. The results of this study indicate that E-Wom about green products has a significant influence on green purchase behavior. The influence of E-Wom as a single factor is not that strong. Another finding recorded in this study is the high value of the share information product that occurs. Most of the respondents were reluctant to start a chat about product reviews, they would provide arguments if they had started, and the E-Wom in this study was more on a personal level.
Syntactical analysis of Kipsigis Copula Clauses
Authors: Kiplangat Vincent , Muriungi Peter , Karuri Mary
Published: April 2023

Copula is a verb whose main function is to link subjects with predicate complements. In a limited sense, the copular refers to a verb that does not have any semantic content but links subjects and predicate complements. In a broad sense, the copular contains a verb that has its own meaning and bears the syntactic function of “the copular”. This study aimed at investigating the syntactical structure of copular clauses in Kipsigis, a Kalenjin dialect majorly spoken in the counties of Bomet, Kericho, and partly in counties of Nakuru, Narok, and Uasin Gishu. The objective of the study was to examine the types of copular clauses in the Kipsigis dialect. This study was couched within the confines of Chomsky’s Minimalist program. This model has been used successfully to analyse a wide range of structures from distinct languages and therefore it seems to be justified to adopt it for the examination of copular clauses in the Kipsigis dialect. This approach advocates for the economy of representation in linguistics analysis and description to ensure that syntactic specification and derivational procedures contain only the essential elements. The study adopted a descriptive research design and the data was collected through self-introspection and corroborated by five informants through Language Generative Exercise. This study has established that Kipsigis has only one copula element ko. The study has also identified that Kipsigis has four distinct types of copula clauses; Predicational, Specificational, Identificational, and Equative Clauses. These various types can be distinguished by using common tests like distribution and licensing of copula dropping and by inversion test. The findings of this study contribute to the existing syntax of Kipsigis. It also provides new data in the study of copula clauses as well as contributes to linguistic knowledge in copula clauses and syntax
Learning Approaches Adopted by Preservice Teachers
Authors: Avvaru Ramakrishna , Juttukonda Lalitha , Prusty Rojina
Published: April 2023

Knowledge about the learning approaches is very critical for teachers in planning teaching-learning activities. Learners relate their previous experiences in learning new concepts. Then, the type of learning approach adopted by the learner will enable him/her to interact with course material and attain learning outcomes. According to the Approaches and Study Skills Inventory for Students (ASSIST), the learners follow deep, surface, or strategic learning approaches or a combination of two or all three of them. The present study is a survey type wherein the 18-item questionnaire, a short version of ASSIST is administered to the undergraduate (BEd) and postgraduate (MEd) students (preservice teachers) of the University College of Education, Osmania University, Hyderabad. Forty students responded to the inventory. Data is analysed with Cronbach’s Alpha, coefficient of correlation, t-test, and ANOVA. T-test for learning approaches and gender (2.024); coefficient of correlation for academic achievement and deep approach and strategic approach (.503); strong relationship with SGPA 8.00 for Surface approach, 9.00 for Deep approach and 6.00 for Strategic approach. Age and learning approach ANOVA is .833 and BEd second-semester preservice teachers adhered to a deep approach. The study concludes that the deep approach is the most popular learning approach; the learning approach affects academic achievement, gender, and level of semesters of study of the preservice teachers and does not affect approaches to learning
Hospital-based Cross-sectional Study on Demographic Aspects of Hormonal Contraception Use and its Association with Depression Among Somali Women in Mogadishu
Authors: Salad Abdi M. , Duale Hodan A. , Gele Abdi , Farah Abdiqani Ahmed
Published: April 2023

Though hormonal contraception is known to precipitate depression in some women, it is a successful public health initiative and has numerous personal and community advantages. It contributes to reducing unsafe abortions and maternal and child mortality. The purpose of this study was to assess the prevalence of depression among women who use the hormonal contraceptive (HC) method in Mogadishu, which at times led to circumstances for discontinuation of the contraceptives. A hospital-based cross-sectional study was conducted among women who use HCs and attend a tertiary Benadir mother-and-child hospital and a Somali-Sudanese hospital in Mogadishu, Somalia, from August 2022 to December 2022. The data were collected using Patient Health Questionnaire-9 (PHQ-9). Data were analysed in both descriptive and inferential statistics such as percentage, t-test, analysis of variance, and binary as well as multiple logistic regression. On the HC usage characteristics, 43.6% of the participants have been on Jadelle Implants (a levonorgestrel-releasing implant), with a significance, while only 18.1% use pills (progestin and oestrogen), and the rest used Norplant capsules. In evaluating the physiological side effect incurred by respective HC, 39.6% of respondents were taking anti-depression therapy with a comparative significance, 78.9 were in overall good health, while 21.1% of participants were in poor health. Based on PHQ-9 majority of the respondents (26.9%) had moderate depression, and thirteen (13.1%) had minimal depression, fifty (22.0%) had mild depression. Yet, 43 (18.9%) experienced moderate depression, while another 43 (18.9%) had severe depression. Female housewives were 1.91 times more at risk of any form of depressive disorder than those who are employed. Respondents who had more than $600 were 0.45 times less likely to develop depression compared to those who had less than $600. However, women who used implants (Jadelle) and pills were more likely to develop depression with a p-value of 2.4x10-2 and 1.40x10-2, respectively, than those who used Norplant, respectively. In addition, women who use HCs for one year and more/over are less likely to develop depression compared to those who use HCs for more than 3 months and 6 months, respectively. In conclusion, housewives, low-income level, type of HC, and long duration of HCs were the determinants of depression. As a result, women should be aware of the Hormonal Contraceptives' side effects related to depression and seek the advice of doctors or other medical professionals.
Relaciones de Crianza y Rasgos de Personalidad en Adolescentes Bullies
Authors:   , González Sergio
Published: April 2023

Se evaluaron 202 adolescentes entre los 13 y 17 años en dos colegios privados en la Ciudad de Panamá con el objetivo de identificar características sociodemográficas del Bullying, y su relación con las Relaciones de Crianza y Rasgos de la Personalidad, específicamente aquellos propuestos por la Teoría de la Tríada Oscura. Se encontraron diferencias significativas en el género, presentando mayor reporte de Bullying los varones que las mujeres. No se encontraron diferencias significativas en diferentes grupos de edad. Se dividió la muestra de participantes utilizando la media para diferenciar aquellos involucrados en Bullying y se encontraron diferencias significativas en las variables Maquiavelismo y Psicopatía. En el análisis de correlación, se encontraron asociaciones significativas entre el Bullying y las variables Control Patológico de la Madre, Psicopatía y Maquiavelismo. Por último, se realizó un análisis de regresión identificando como predictor significativo del Bullying la variable Psicopatía. En base a estos hallazgos, se discuten implicaciones teóricas y se sugieren recomendaciones para futuros proyectos de investigación.
Patrimonio cultural y su percepción histórica
Authors: Calderón Puerta Diego Manuel
Published: April 2023

El patrimonio cultural como elemento intrínseco de la actividad humana, ha experimentado notables cambios en su percepción en función del contexto histórico en el que se genera. Es por ello que, aproximarse al papel que ha desempeñado a lo largo del tiempo, resulta fundamental para comprender su situación y determinar los retos a los que se enfrenta. El objetivo de este artículo es por un lado, analizar la evolución histórica de la percepción del patrimonio cultural y por otro, se va a reflexionar sobre la función que desempeña en la sociedad contemporánea.
MODERN FOREIGN CONCEPTS OF NATIONAL SECURITY AND ANALYSIS OF RUSSIA'S ROLE IN THE INTERNATIONAL LEGAL SPACE
Authors: Горшенева Ирина Аркадьевна , Зайцева Серафима Евгеньевна , Арикбаева Айнара Руслановна
Published: April 2023

В статье выявлены пути обеспечения национальной безопасности России и ряда зарубежных стран в соответствии с концептуальными политическими документами, отражающими национальные интересы государств. Дан анализ представлений о национальной безопасности России в международном правовом пространстве через призму концепций национальной безопасности США, ФРГ и КНР.

The article identifies ways to ensure the national security of Russia and a number of foreign countries in accordance with conceptual political documents reflecting the national interests of states. The analysis of ideas about Russia's national security in the international legal space is given through the prism of the concepts of national security of the USA, Germany and China.
ABOUT GENDER IN SPORT
Authors: Балдухаева Инна Иосифовна
Published: April 2023

Статья представляет собой исторический экскурс, касающийся участия женщин в Олимпийских играх современности.

The article is a historical digression regarding the participation of women in the modern Olympic Games.
СУРРОГАТНОЕ МАТЕРИНСТВО И СОЦИАЛЬНОЕ СИРОТСТВО: ПРОБЛЕМЫ ТЕОРИИ И ПРАКТИКИ
Authors: Назарова Анна Сергеевна
Published: April 2023

В настоящее время все чаще семьи в случае невозможности родить ребенка самостоятельно обращаются к институту суррогатного материнства. Автор, проанализировав действующее семейное законодательство и судебную практику, подчеркивает, что многие вопросы в указанном институте остаются открытыми. Кто родители этих детей? Какую ответственность несут стороны в случае неисполнения условий договора суррогатного материнства? И как правильно разрешать указанные споры по воспитанию детей, возникающие между биологическими родителями и суррогатными матерями? Поэтому чтобы исключить спорные ситуации и неоднозначную судебную практику предлагается внести ряд изменений в действующее семейное законодательство регулирующее правоотношения в области суррогатного материнства.

Currently, families are increasingly turning to the institute of surrogacy in case of inability to give birth to a child on their own. The author, having analyzed the current family legislation and judicial practice, emphasizes that many issues in this institute remain open. Who are the parents of these children? What is the responsibility of the parties in case of non-fulfillment of the terms of the surrogacy agreement? And how to properly resolve these disputes on the upbringing of children that arise between biological parents and surrogate mothers? Therefore, in order to exclude controversial situations and ambiguous judicial practice, it is proposed to make a number of changes to the current family legislation regulating legal relations in the field of surrogacy.
Industrial Potentials of Saccharomyces cerevisiae
Authors: Nya Elijah , Etukudo Owoidihe
Published: April 2023

Saccharomyces cerevisiae has attracted much technological concern in recent times, owing to their extensive used in food manufacturing, fermented beverages like wine or beer and in promoting the development of industrial biobased products. Saccharomyces cerevisiae also known as yeast are eukaryotic organisms found in a wide ecological niches such as soil, water, air, plants, fruits and plant saps. Saccharomyces cerevisiae strains is the most common yeast known in history for their fermentative ability and are today biotechnologically compliance for industrial production of many products such as ethanol, yoghurt, Cheese, bread, wine and other alcoholic beverages. From their natural habitat, they have been successfully isolated and evaluated for their metabolic and fermentative activities. Investigations by many authors have shown that yeasts can be isolated from palm sap or juices, passion fruit, water melon and pineapple where they colonized as their natural habitats. The isolates from these habitats have also been evaluated and found to have attributes essential for industrial and commercial purposes. The attributes investigated include ethanol production, yoghurt, Cheese, leavening ability for bread making and other dairy products. Besides the aforementioned, yeast are used in the global food processing and manufacturing.  They are said to impart improvement in food quality, taste, texture, flavour and nutritive values. In this chapter, I elucidate the potentials of Saccharomyces cerevisiae strains with reference to their industrial and commercial uses. Their classification, cultivation and selection are also discussed.
FORMATION OF A HEALTHY LIFESTYLE OF SCHOOLCHILDREN AS A SOCIO-PEDAGOGICAL PROBLEM OF PERSONALITY FORMATION IN ADOLESCENCE
Authors: Щербяк Ю. А.  , Колдовський А. В.
Published: April 2023

У статті автори розглянули проблеми зі здоров’ям учнів старшого шкільного віку в Україні, причини його погіршення та методи формування здорового способу життя. Пріоритетним напрямом формування здорового способу життя визначено формування відповідального ставлення до свого здоров’я, усвідомлення та розуміння переваг, які дає здоровий спосіб життя.Проаналізовано визначення понять «здоров’я» та «здоровий спосіб життя», розглянуто шляхи формування здорового способу життя школярів підліткового віку в навчально-виховному процесі. Узагальнено завдання для педагогічного колективу щодо формування у школярів уявлень про здоровий спосіб життя. Доведено, що ця робота має здійснюватися спільними зусиллями школи, родини, представників громадськості.Особливу увагу було зосереджено на питанні створення оптимальних педагогічних умов, що сприяють більш ефективній виховній роботі, на формуванні навичок, що сприяють збереженню, зміцненню та відновленню здоров’я людини, реалізації з цією метою внутрішніх резервів її організму. . Культура здоров'я знайшла відображення в конкретних формах і способах життєдіяльності особистості, які виробляються з раннього дитинства і реалізуються протягом життя. Зроблено висновок, що першочерговим завданням у вирішенні питань оздоровлення підлітків є мотивація цілеспрямованої роботи різних соціальних інститутів з метою відновлення та розвитку життєвих ресурсів молоді, створення таких умов, коли здоровий спосіб життя стане термінова потреба.
ПРИНЦИПИ ПІДГОТОВКИ МАЙБУТНІХ УЧИТЕЛІВ ХОРЕОГРАФІЇ У ВИЩИХ ПЕДАГОГІЧНИХ ЗАКЛАДАХ КНР: ПОШУК ШЛЯХІВ ДЛЯ ПОДОЛАННЯ ПРОТИРІЧ
Authors: Лю Чжицян
Published: April 2023

У статті зроблено огляд проблемних питань реформування системи підготовки майбутніх учителів хореографії у вищих педагогічних закладах КНР на сучасному етапі розвитку. Було визначено, яким чином на систему підготовки вчителів хореографії вплинуло масштабне реформування системи освітив КНР у 2015-2020 роках, пандемія COVID-19 та пов’язані із нею процеси стрімкого розвитку дистанційної освіти, соціально-політичні перетворення останнього року. Здійснено аналіз проблем, які спостерігаються останнім часом у професійній підготовці майбутніх учителів хореографії в КНР. Визначено ключові чинники, які впливають на якість підготовки майбутніх учителів хореографії в сучасній КНР. Запропоновано авторський погляд на складники процесів прогнозування та моделювання процесу підготовки фахівців у сфері хореографічної освіти.Визначено, що для подолання наявної кризи в системі підготовки майбутніх учителів хореографії у вищих педагогічних закладах КНР необхідно звернути увагу на питання удосконалення змісту професійної підготовки вчителів хореографії з урахуванням балансу інноваційності та збереження традиційних національних форм хореографії. Обґрунтовано, що необхідно вирішити низку фахових педагогічних проблем, серед яких: професійне самовизначення майбутніх фахівців у галузі художньо-естетичної хореографічної діяльності; побудова шляхів забезпечення якості підготовки майбутніх учителів хореографії в умовах ринкової економіки; особливості роботи вчителів хореографії в умовах дистанційної освіти; створення різних моделей дозвіллєвих мистецьких активностей учнів, проєктування культурних та фізичних основ хореографічної освіти. На цих та інших аспектах наголошено в статті.
РОЛЬ МЕТОДИЧНИХ КАБІНЕТІВ НА ГРОМАДСЬКИХ ЗАСАДАХ У ПРОФЕСІЙНОМУ РОЗВИТКУ ПЕДАГОГІЧНИХ ПРАЦІВНИКІВ ДОШКІЛЬНИХ ЗАКЛАДІВ УКРАЇНИ В 60-Х РОКАХ ХХ СТОЛІТТЯ
Authors: Кузьменко В.В.
Published: April 2023

Статтю присвячено висвітленню історико-педагогічного аспекту особливостей становлення й організації нової форми підвищення кваліфікації педагогічних працівників дошкільних закладів – методичні кабінети на громадських засадах.Установлено, що першу спробу організувати подібний методичний кабінет було прийнято у м. Феодосія Кримської області в 1960 році. Як стало відомо, пізніше кабінет на громадських засадах займався щорічним проведенням курсів для педагогічних працівників дошкільних закладів, які не мали спеціальної освіти. Установлено, що досвід цього кабінету було висвітлено та рекомендовано до ознайомлення колегією Міністерства освіти УРСР на сторінках Збірника наказів та інструкцій Міністерства освіти Української РСР у 1964 році.Розглянуто та схарактеризовано основні напрямки роботи методичних кабінетів на громадських засадах різних областей Української РСР, зокрема Кримської, Херсонської та Дніпропетровської областей.Також висвітлено роль таких кабінетів у професійному розвитку педагогічних працівників дошкільної галузі Херсонської області, увагу яких було спрямовано не тільки на проведення курсів підвищення кваліфікації, але й на організацію шефства над районними дитячими садками щодо організації педагогічної просвіти серед населення.Окреслено коло питань, які розглядали на рівні подібних методичних кабінетів на громадських засадах у Дніпропетровській області, зокрема це курсова, семінарська перепідготовка, ознайомлення з новинками педагогічною й методичною літературою. Визначено, що вищезазначені методичні кабінети на громадських засадах працювали спільно з інститутами удосконалення кваліфікації вчителів. Перспективи подальших наукових пошуків полягають у вивченні питання практичного використання матеріалів цього дослідження в професійному розвитку педагогічних працівників закладів дошкільної освіти.
Prospects of Digital Watermarking in Providing Security, Reliability, and Privacy to Medical Images
Authors: Sinha Roy Subhrajit , Basu Abhishek , Chattopadhyay Avik
Published: April 2023

Telemedicine is one of the most eminent terms used in the modern e-healthcare system. Digital medical image reports, along with electronic patient records, play a central role in diagnosis from distance. These reports need to be transmitted over an open communication channel with immense security and reliability, so that appropriate diagnosis can be performed. Moreover, the privacy of the patient is required to be preserved. Digital watermarking is one of the most conventional and suitable practices to serve all of these purposes. New challenges appear in the domain of watermarking with the advancement of digital signal processing; consequently, researchers are endowing more efforts to overcome these challenges. In this paper, a survey on medical image watermarking has been done, and the performance of a few state-of-the-art medical image watermarking techniques is compared. This work makes the researchers and the developers familiar with the recent trends, challenges, and scopes in this domain to facilitate them in finding out adequate research directions.
PENGARUH ALOKASI ANGGARAN PENDIDIKAN, PENGANGGURAN, DAN INFLASI TERHADAP KEMISKINAN DI PROVINSI SUMATERA UTARA
Authors: Simangunsong Bernadeth YP , Charitin Devi
Published: April 2023

Penelitian ini bertujuan untuk mengetahui pengaruh alokasi anggaran pendidikan, pengangguran, dan inflasi terhadap kemiskinan di Provinsi Sumatera Utara. Jenis penelitian ini adalah penelitian kuantitatif dengan jumlah sampel sebanyak 21 periode pengamatan dari tahun 2002 sampai dengan tahun 2022. Teknik analisis data menggunakan analisis regresi linier berganda Model persamaan regresi linier berganda: LnY = b0 + b1LnX1 + b2LnX2 + b3LnX3 + e. Dari hasil penelitian diketahui nilai estimasi persamaan regresi linier berganda adalah LnJlhPendMiskin = 15.01147 – 0.069179 LnAngPend + 0.078522 LnPengangguran + 0.022907 LnInflasi. Penelitian ini menunjukkan bahwa terdapat pengaruh negatif dan signifikan anggaran pendidikan terhadap kemiskinan (probabilitas 0,0004 < 0,05). Sedangkan pengangguran dan inflasi tidak berpengaruh signifikan terhadap kemiskinan di Provinsi Sumatera Utara. Dengan koefisien determinasi sebesar 71,66% dan secara simultan variabel anggaran pendidikan, pengangguran dan inflasi berpengaruh signifikan terhadap kemiskinan di Provinsi Sumatera Utara.
Occurrence of antibiotic resistant bacteria causing UTIs among children under school age in Soran city, North of Iraq
Authors: AKAN Hasan , HAKEEM MUSTAFA Rawezh
Published: April 2023

The current study was carried out to investigate the occurrence of multidrug resistant uropathogens among children under school age (six years old) in Soran city, North of Iraq. A total number of 200 urine samples were taken from children under six years old suffering from UTIs, attending Ashti hospital and Childbirth hospitals in Soran city from July 2017 to march 2018. High frequency of UTIs was among children less than two years old (34.3%) and incidence of UTIs was significantly higher in little girls (57.1%) than in little boys. 70 bacterial uropathogens have benn isolated while 130 samples showed negative culture. The diagnosis of isolates showed that the most common uropathogen was E. coli constituting 27 (38.6%), while others included; Staphylococcus aureus 13 (18.6%), coagulase negative staphylococci 8 (11.4)%, Klebsiella pneumonia 7(10%), Enterococcus faecalis 6 (8.6%), Streptococcus spp. 4 (5.7%), Pseudomonas aeruginosa 2 (2.9%), Staphylococcus saprophyticus 2 (2.9%) and Proteus vulgaris 1 (1.4%). Most of uropathogenic isolates have resisted ampicillin, ceftazidime, ceftriaxone and cefotaxime. Other antibiotics differently showed moderate susceptibilities. The most effective antibiotics were quinolones (ciprofloxacin and levofloxacin) and carbapenems (impenem and meropenem) which showed high susceptibility percentages on all isolates under study. Six multidrug have been chosen resistant isolates to detect the presence of qnrA, qnrB, qnrS and blaKPC responsible for quinolones and carbapenem resistance by using RABD-PCR. The DNA profile showed that only the isolate K 61 (Klebsiella pneumoniae) was bearing qnrB.
Bases de serviço de comercialização para a agricultura familiar e economia solidária: contribuições para estratégias de Ater na promoção de territórios rurais sustentáveis
Authors: Silva Regilane Fernandes da
Published: April 2023

Propõe-se a analisar os processos de interação entre as organizações dos agricultores e as novas propostas de assistência técnica e extensão rural (Ater), a partir das bases de serviço de comercialização (BSCs), com vistas ao acesso e/ou construção de mercados por parte da agricultura familiar. Para tanto, a análise foi realizada a partir do estudo de caso do território da Borborema, no estado da Paraíba, entre 2007 e 2011.
Detection and Seismic Study of Gravity and Rossby Mode Pulsations in Four Contact Binaries
Authors: Zhang X. B. , Chen Xinghao , Fu Jianning , Li Yan
Published: April 2023

We report the detection of gravity (g) and Rossby (r) mode pulsations of four short-period eclipsing binaries, KIC 5439790, KIC 7501230, KIC 9350889, and KIC 9453192 based on the 4 yr Kepler high-precision photometry. Light-curve modeling reveals that the four binaries are all contact systems with small mass ratios. We study the short-term variability of the light-curve residuals after the removal of the binary model and attribute them to the g- and r-mode pulsations that stem from the primary stars. By introducing a new criterion, we attempt to identify period-spacing patterns in the Fourier spectra, which refers to the determination of the rotation rates of stellar interior and envelope as well as the asymptotic period spacings of the pulsating stars. It is interesting to find that the rotation rates of the stellar envelopes are all nearly equal to the orbits. The near-core rotations, however, are significantly slower by about 10%. Based on the derived asymptotic period spacings, stellar parameters were constrained from asteroseismology models. The pulsators are revealed to be evolved main-sequence stars with high metallicities.
Thermal Models of Asteroids with Two-band Combinations of Wide-field Infrared Survey Explorer Cryogenic Data
Authors: Whittaker Emily A. , Margot Jean-Luc , Lam Adrian L. H. , Myhrvold Nathan
Published: April 2023

We used the reparameterized Near-Earth Asteroid Thermal Model to model observations of a curated set of over 4000 asteroids from the Wide-field Infrared Survey Explorer in two wavelength bands (W2–3 or W3–4) and compared the results to previous results from all four wavelength bands (W1–4). This comparison was done with the goal of elucidating unique aspects of modeling two-band observations so that any potential biases or shortcomings for planned two-band surveys (e.g., the NASA Near-Earth Object Surveyor Mission) can be anticipated and quantified. The W2–3 two-band fits usually yielded slightly smaller diameters than the four-band fits, with a median diameter difference of −10%, with the 5% and 95% quantiles of the distribution at −32% and −1.5%, respectively. We conducted similar comparisons for W3–4, in part because the longest wavelength bands are expected to provide the best two-band results. We found that the W3–4 two-band diameters are slightly larger than the four-band results, with a median diameter difference of 11% and the 5% and 95% quantiles of the distribution at −2.1% and 26%, respectively. The diameter uncertainty, obtained with bootstrap analysis, is larger by 30% and 35% (median values) for the W2–3 and W3–4 fits, respectively, than for the corresponding four-band fits. Using 23 high-quality stellar occultation diameters as a benchmark, we found that the median errors of W2–3 and W3–4 diameter estimates are −15% and +12%, respectively, whereas the median error of the four-band fits is 9.3%. Although the W2–3 and W3–4 diameters appear to have greater systematic errors and uncertainties than their four-band counterparts, two-band estimates remain useful because they improve upon diameter estimates obtained from visible photometry alone.
Using Remote Data and GIS in Research of Morphometric Characteristics of the Coastal Area in Bulgaria
Authors: Jelev Georgi
Published: April 2023

Remote methods provide information on both the natural objects on the earth's surface, water bodies, water-land boundaries, and relief and relief forms. Satellite images were used to determine the characteristics of the coastline and Black Sea area (about 50 km distance) of the Republic of Bulgaria.
Its fractal dimension and curvature are determined. A number of thematic maps have been generated through the digital relief model to assist in the interpretation and geomorphologic characteristics of the study area. A database was created as part of the project MARINEGEOHAZARD – “Set-up and implementation of key core components of a regional early-warning system for marine geohazards of risk to the Romanian-Bulgarian Black Sea coastal area” from CBC Romania-Bulgaria Programme.
Native plant diversity for ecological reclamation in Moroccan open-pit phosphate mines
Authors: Zine Hamza , Hakkou Rachid , Elmansour Abdelhak , Elgadi Sara , Ouhammou Ahmed , Benzaazoua Mostafa
Published: April 2023

Mining activities have significant impacts on the environment, particularly in terms of the destruction of natural habitats, biodiversity loss. With the increasing awareness of the importance of ecological restoration and conservation, there is a growing need to study and understand the flora that thrives in mining sites for successful reclamation efforts. This study aimed to investigate the floristic composition and plant diversity of four phosphate mine sites (PMSs) in Morocco, namely Bou Craa mine (BCM), Ben Guerir mine (BGM), Youssoufia mine (YSM), and Khouribga mine (KHM).

The study found a total of 215 vascular plant species from 166 genera and 49 taxonomic families across the four sites. BGM was the most diverse site with 120 plant species, followed by KHM with 75, YSM with 57, and BCM with 54. Compositae family species were the most common at BGM and KHM, while Amaranthaceae species were dominant at BCM, and Poaceae and Compositae at YSM. Therophytes (annual species) were the most common functional group (45.0%), followed by chamaephytes (19.6%) and hemicryptophytes (15.9%).

Atriplex nummularia and Chenopodium album were the most common species found at all four sites, while Atriplex semibaccata, Bassia muricata, Haloxylon scoparium, and 12 other species were common at three sites. However, 156 plant species were found at only one site. The findings of this study highlight the significant abundance of plant species in Moroccan PMSs and provide a basis for successful ecological engineering rehabilitation plans. The study emphasizes the importance of studying the indigenous plant species that naturally populate these marginal lands to ensure successful reclamation efforts.
Floristic inventory and distribution characteristics of algific talus slopes in a specific area of forest biodiversity in South Korea
Authors: Lee Jong-Won , Yun Ho-Geun , Hwang TaeYoung , Kim Kyung Min , Jung Se-Hoon , An Jong Bin
Published: April 2023

This study conducted a survey for establishing in-situ and ex-situ conservation measures for northern linage plants that are vulnerable to climate change and for designating Forest Genetic Resource Reserve for 25 algific talus slope sites, which are specific areas of forest biodiversity. The survey was conducted in South Korea within a distance of 50 m to the east, west, north, and south from the core area where wind blows to the algific talus slopes. The study was conducted once or twice per season from April 2016 to November 2021.

Vascular plants of 25 algific talus slope sites in South Korea included a total of 1,052 taxa of 125 families, 486 genera, 947 species, 23 subsp., 75 var., and 7 f. The maximum surveyed area was 0.09 km2, accounting for only 0.00014% of the 62,860 km2 forest area in Korea, but comprise 22.27% of the 4,724 species of vascular plants in Korea. The algific talus slopes are areas rich in forest biodiversity. Six taxa were categorized as endangered, including Paeonia obovata Maxim. Sixty-seven taxa, including Astilboides tabularis (Hemsl.) Engl.; 58 taxa endemic to the Korean Peninsula, including Weigela subsessilis (Nakai) L.H. Bailey; and 317 taxa of floristic target plants were categorized as rare plants in the Red list. Further, 181 taxa were identified as northern linage plants and 32 taxa, including Sillaphyton podagraria (H. Boissieu) Pimenov, were limestone area plants. Regarding alien plants, 75 taxa, including Oenothera biennis L., were identified, and the naturalization and urbanization rates were 7.13% and 12.12%, respectively. Plants specific to the phytogeography of the 25 algific talus slope sites in this study were Vaccinium vitis-idaea L., Rosa koreana Kom., Syringa villosa Vahl subsp. wolfii (C.K. Schneid.) Y. Chen & D.Y. Hong, Lonicera chrysantha Turcz. ex Ledeb., Tephroseris flammea (Turcz. ex DC.) Holub, among others.
Accuracy assessment of high-resolution terrain data produced from UAV images georeferenced with on-board PPK positioning
Authors: Dinkov Davis
Published: April 2023

In recent years, unmanned aerial vehicles (UAVs) have increased rapidly and successfully established themselves as a tool for the rapid collection of high-resolution images as baseline data in land cover studies and topographic mapping. In photogrammetry using the SfM-MVS method of processing captured images, indirect georeferencing of the digital data through ground control points (GCPs) is usually applied. But selecting, marking, and coordinating GCPs in hardto-reach terrains is time-consuming and sometimes dangerous or impossible. The main objective of this study is to evaluate the accuracy of high-resolution topographic data (HRTD) products of photogrammetric processing of PPK-directly georeferenced images by SfM-MVS workflow. Direct and indirect methods of georeferencing digital products are compared. The planimetric and vertical root mean square error (RMSE) in the position of the validation points were calculated by the differences between measured coordinates in dense point clouds, orthophoto mosaics, and terrain surfaces (DSM), and precisely measured coordinates of the validation points by GNSSRTK receivers. The analysis is based on a statistical evaluation of experimental data obtained from a TAROT X6-based hexacopter equipped with two different image sensor configurations: 1) Sony RX0 action camera and 2) Sony A6000 mirrorless camera, and 3) DJI Phantom 4 Pro quadcopter with integrated additional L1-GNSS module for direct georeferencing by PPKmethod. HRTD generation was performed with three block control configurations for each UAV: 1) Indirect georeferencing via GCP only, 2) PPK direct georeferencing without GCP, and 3) PPK georeferencing using one GCP. Our research showed that when using L1-GNSS onboard receivers for PPK-georeferencing without any GCPs, the point cloud's planimetric accuracy (RMSExy) was from 0.125 to 0.231 cm, depending on the UAV/camera configuration. However, two flight missions produced significant vertical offsets, most likely due to ionospheric disturbances affecting the resolution of phase cycle ambiguities in the single-frequency receivers used. When adding one control point in the PPK georeferencing method, the planimetric and vertical accuracy of the data is comparable to the indirect GCP referencing method. Furthermore, our results show that camera properties (i.e., focal length, resolution, sensor quality) affect the quality and accuracy of digital products. The HRTDs were also evaluated according to the ASPRS (American Photogrammetry and Remote Sensing Society) Standards for Accuracy of Digital Geospatial Data. Analyzing the accuracy of the HRTDs obtained with the experimental UAV/camera configurations for the test area, the present study shows that the PPK-SfM-MVS workflow can provide quality data with a centimeters accuracy of the photogrammetric products.
“The Fever Is Still There!”: Workup and Management of Prolonged Fever
Authors: Diaz Kane Molly M.
Published: April 2023

Fever is one of the most common chief complaints that brings pediatric patients to seek medical care. Although fever is, in most cases, a physiologic response to a pathogen that has alerted the immune system, prolonged fever can be challenging to work up for the treating pediatrician. In addition to assessing causes of fever, pediatricians must also address the fears that many caregivers may have surrounding elevations in body temperature and provide education as to when fever becomes a concern. Fever can be classified by its duration as well as the presence or absence of associated symptoms. Fever without a source is defined as a fever that has been present for 1 week without a clear cause. Fever of unknown origin is a fever that has been present daily for 8 days or more without an apparent source. This article will walk through considerations for a clinician evaluating a pediatric patient with prolonged fever.

[
Pediatr Ann
. 2023;52(4):e124–e126.]
Model predictive control for constrained robot manipulator visual servoing tuned by reinforcement learning
Authors: Li Jiashuai , Peng Xiuyan , Li Bing , Sreeram Victor , Wu Jiawei , Chen Ziang , Li Mingze
Published: April 2023

For constrained image-based visual servoing (IBVS) of robot manipulators, a model predictive control (MPC) strategy tuned by reinforcement learning (RL) is proposed in this study. First, model predictive control is used to transform the image-based visual servo task into a nonlinear optimization problem while taking system constraints into consideration. In the design of the model predictive controller, a depth-independent visual servo model is presented as the predictive model. Next, a suitable model predictive control objective function weight matrix is trained and obtained by a deep-deterministic-policy-gradient-based (DDPG) RL algorithm. Then, the proposed controller gives the sequential joint signals, so that the robot manipulator can respond to the desired state quickly. Finally, appropriate comparative simulation experiments are developed to illustrate the efficacy and stability of the suggested strategy.
Effect of Sintering Temperature on the Structural and Morphological Properties of Hydroxyapatite Prepared by Precipitation Method
Authors: Khalefa Abed A. , Radwan H.A. , Marei Jassim M. , Rzaij Jamal M.
Published: April 2023

Hydroxyapatite nanoparticles (HAp-NPs) were prepared using a precipitation route from an aqueous solution at a 1.66 Ca/P ion ratio and sintered at different temperatures. X-ray diffraction (XRD) was used to investigate the structural properties of the prepared films. Using a Field Emission Scanning Electron Microscope, the morphology of the surfaces was analyzed. Using Fourier Transform Infrared (FTIR) Spectroscopy, the surface's chemical composition and chemical bonding information were identified. The structural analysis shows that heating treatment reduced the broadening of diffraction peaks, enhancing the Hydroxyapatite phase crystallinity. No phase transition was observed as the sintering temperature increased, revealing the HAp phase's high stability. SEM micrograph images revealed a nanostructured foam-like structure that changed into a flake-shaped structure with diameters between 300 nm and 600 nm after heat treatment. FTIR spectroscopy results revealed that the heat treatment improved the crystallization of the developed HAp-NPs samples. Barrett-Joyner-Halenda (BJH) was used to determine the pore size of HAp NPs, whereas Brunauer-Emmett-Teller (BET) analysis was employed to characterize the surface area of the samples.
Production of Epoxidized Rubber Seed Oil via Lipase-Catalyzed Epoxidation
Authors: Narupai Borwon , Leekrajang Malinee , Chutichairattanaphum Nattaporn , Larpkiattaworn Siriporn
Published: April 2023

Rubber seeds are residuals from rubber plantations containing oils. Epoxidized rubber seed oil (ERSO) was produced from rubber seed oil under different conditions withacetic acid as an oxygen carrier and hydrogen peroxide as an oxygen donor. A lipase B immobilized on macroporous acrylic resin beads was used as a biocatalyst. The lipase biocatalyst was used to optimize the epoxidation process at a temperature of 65 C and a reaction period of 18 h. Under these conditions, ERSO with the highest epoxidation percentage of 81.63 % and a low iodine value of 4.43 g iodine/kg sample was obtained. The key functional groups of ERSOs were investigated by Fourier transform infrared spectroscopy (FTIR), in which the FTIR spectra showed the oxirane ring of ERSOs. The proton nuclear magnetic resonance (1H-NMR) analyses confirmed the decrease of the peak of the double bond in rubber seed oil and the existence of an epoxidized ring peak in ERSOs. These results showed that ERSOs were successfully synthesized from rubber seed oil.
Synthesis of Fe3O4 /TiO2-S Composite and Its Activity Test as Photocatalyst on the Metanil Yellow Degradation
Authors: Jannah Juliana Miftakhul , Kunarti Eko Sri , Santosa Sri Juari
Published: April 2023

The synthesis of sulfur-doped titania magnetite composite and its activity as a photocatalyst in the degradation of metanil yellow have been investigated. The variations of sulfur dopan concentration studied were 1%, 3%, 5%, and 7%. The synthesized Fe3O4/TiO2-S composite was characterized using FTIR, XRD, TEM, SEM-EDX, DR-UV, and VSM. The results showed that the Fe3O4/TiO2-S photocatalyst is visible light responsive with magnetic properties. Sulfur dopan concentrations of 1, 3, 5, and 7 (%) had band gap energies of 2.83, 2.81, 2.76, and 2.84 (eV), respectively. The photodegradation results showed that Fe3O4/TiO2-S 5% composite material could degrade metanil yellow in acidic pH at 180 min under visible light irradiation (73.44). The structural stability was observed after three times of photocatalyst reuse. The degradation kinetics of metanil yellow dye followed the pseudo-second order of Ho and McKay's kinetic model, with K values of 0.52 g mg-1min-1 under visible light. This composite has good photodegradation activity for metanil yellow can be applied under visible light and can be reused after use.
Simulation Modeling as a Tool for Taking into Account the Influence of Production Factors on the Physical and Mechanical Characteristics of Parts in the Manufacture of Parts from Composite Materials with Vacuum Infusion
Authors: Bobarika Igor Olegovich , Bokhoeva Ljubov Aleksandrovna
Published: April 2023

In modern conditions of expanding the use of intelligent manufacturing technologies and increasing requirements for the physical and mechanical characteristics of parts, modeling and assessment of the physical and mechanical characteristics of parts should begin with obtaining correct initial data on the structure of the parts material, taking into account its technological history. However, for some of production technologies, in present time, it’s quite problematic to obtain correct data to take into account a huge number of factors. For example, in the manufacture of thin-walled, low-rigidity parts from polymer composite materials (PCM) using the technology of autoclave vacuum infusion molding with after-heating, the influence of external factors is very huge. This is most noticeable in the manufacture of large low-rigidity parts, for which after-heating is possible only outside the autoclave, or, sometimes, only without removing the part from the mold equipment.