bluuebunny/crossref_metadata_2025 huggingface dataset:
Effect of hibiscus sabdariffa l., zingiber officinale roscoe and piper nigrum l. On the hematological parameters of alloxan induced diabetic wistar rats.
Authors: Franklin Ani, Ime , Justin Atangwho, Item , Ignatius Agwupuye, Eyuwa , Abigail Oghenefejiro, Ogheneovo
Published: June 2022

Background: Diabetes is a disease condition of metabolism clinically expressed by chronic hyperglycemia and protein disorder; it has a link to several complications that cause morbidity and mortality and native plants with antidiabetic properties can be used to avoid further progression of the disease

Objective: To investigate the antidiabetic properties of combined extract of hibiscus sabdariffa l., zingiber officinale roscoe and piper nigrum l. as well as its effect on selected hematological parameters in alloxan induced diabetic wistar rats

Methods: Thirty (30) male wistar rats aged between 8-10 weeks, weighing 130g to 138g were divided into five groups of six rats each and acclimatized for a week prior to the commencement of the treatments. Of the 5 groups, 4 were induced with 170mg/kg body weight of alloxan. Diabetic rats were treated with 250mg/kg and 500mg/kg of the combined extract as well as 500mg/kg of metformin. The last diabetic group was left untreated and served as the negative control. All treatments were administered for 21 days with blood glucose level and body weight of the experimental animals regularly measured during the course of the treatment. At the end of the treatments, experimental rats were sacrificed and the blood collected was used to carry out hematological analysis including White Blood Cell count(WBC), Red Blood Cell count (RBC), Hemoglobin concentration (Hb), Hematocrit (Hct) or Packed Cell Volume (PCV) and  Platelet (Plt). The results were subjected to analysis of variance (ANOVA) at P˂0.05.

Results:  The combined plant extract was observed to cause a decrease in the blood sugar level and also helped to maintain the body weight of animals. Similarly, the level of the PCV and the HB significantly increased (p<0.05) after administering the combined extract at the two selected doses. Also the WBC count was significantly (p<0.05) lowered following the administration of the combined extract.

Conclusion: The combined extracts of Hibiscus Sabdariffa and Zingiber Officinale and Piper Nigrum have potential in the management of hyperglycemia as well as in the improvement of hematological parameters in alloxan induced diabetic rats.
Review of multimedia communication quality assessment techniques
Authors: Ukommi U. S.
Published: June 2022

Communication pattern is drifting from conventional audio to multimedia applications, streaming live and on-demand digital video contents over telecommunications and broadcasting networks. Currently, some businesses deploy video in promoting products in a far more enriching, entertainment and informative approach than typical traditional audio would allow. However, users of multimedia applications are interested in paying for a good acceptable video quality. Thus, this paper reviews methods used in Peak Signal-to-Noise Ratio (PSNR), Structural Similarity Index Metric (SSIM) and Video Quality Metric (VQM) with the objective of providing useful information to wireless video services providers in assessing and monitoring of quality of multimedia services delivered to users. Experimental comparison of PSNR, SSIM and VQM assessment methods to examine their performances in evaluation of multimedia applications has been performed. Comparing the quality performance of PSNR, SSIM and VQM metrics for Akiyo and Crew standard test sequences, it has been observed that the quality performance of the metrics improves when the bitrates allocation increase. For the test of consistency and quality performance of the metrics, observation shows that for a given bitrates of 3.84Mb/s, under CABA test configuration, Akiyo test sequence, experienced better quality performance of 46.63dB (PSNR), 99.10% (SSIM) and 11.00% (VQM) compared to lower quality performance of 36.18dB (PSNR), 90.40% (SSIM) and 22.00% (VQM) experienced by Crew test sequence. Experimental results of the media quality metrics for Akiyo and Crew standard test sequences with different temporal activity levels show that the quality performance of media content also depends on the temporal activity of the media content. The experimental results further show consistency in quality performance of PSNR, SSIM and VQM metrics for CABA and UBA test configurations. Thus, the objective metrics can be harnessed for evaluation of quality performance of multimedia applications at different channel conditions.
Determination of some physical properties, angles of repose and frictional properties of a local variety of kernel and nut of oil palm
Authors: Adama J. C. , Arocha C.G. , Ogbobe P O.
Published: June 2022

The study was to determine the moisture content, size, volume, sphericity, solid density, bulk density and porosity, angle of repose, coefficient of static friction and compressive strength of oil palm kernel and nut. The results show that the moisture contents were 7.94% and 25.31% for the kernel and nut respectively. The arithmetic and geometric mean diameters were 1.56 cm and 45.79 cm (kernel) and 0.87 cm and 1.27 cm (nut). The average volumes were, 1.75 cm3 (kernel) and 0.79 cm3 (nut). The average sphericities were 66.37 % (kernel) and 64.36 % (nut). The average solid densities, bulk densities and porosities of the samples were 1.63 g/cm3, 0.00053 g/cm3 and 61.32 % (kernel) and 2.13 g/cm3, 0.0008 g/cm3 and 46.91 % (nut). The average values for the angles of repose on wood were 20.8 0 (fresh), 22.81 0(boiled), 19.09 0 (kernel) and 60.71 0 (nut). On glass, the angles of repose were 17.53 0 (kernel) and 64.08 0 (nut). Those on metals were, 18.55 0 (kernel) and 62.3 0 (nut). The coefficients of static friction on wood were 0.35 (kernel) and 1.89 (nut). On glass, coefficient of static friction was 0.32 (kernel) and 2.18 (nut). Those on metals were 0.34 (kernel) and 2.0 (nut).
Development of cowpea thresher
Authors: Onuoha S. N. , Enaboifo M. A. , Ibrahim R.
Published: June 2022

A cowpea thresher that uses petrol engine was developed to overcome drudgery of threshing with manually operated thresher and also to replace motorized cowpea thresher that cannot be used in areas where there is no supply of electricity. The performance tests on the machine were replicated three times using 10000, 8000 and 6000 grams of kannanado cowpea pods at the threshing cylinder speed of 700, 800 and 900 rpm each and moisture contents of 11.05%, 13.65% and 14.75% respectively based on the following parameters; Threshing efficiency, throughput capacity and percentage seed damage. The findings of the tests showed that the thresher had highest threshing efficiency of 98% at moisture content of 11.05%, threshing cylinder speed of 900 rpm and feed rate of 6 kg/hr. The maximum throughput capacity was observed to be 46.18 kg/hr at the feed rate of 10 kg/hr, 11.05% grain moisture content and threshing cylinder speed of 900 rpm. A highest cleaning efficiency and grain damage of 93.06% and 4.90% respectively were observed. This revealed that as the cylinder speed increased the threshing and cleaning efficiency and the throughput capacity also increased whereas feed rate and moisture content were decreased. The test also showed that high moisture content has a tendency to reduce the mechanical seed damage for the variety (kannanado) of cowpea investigated. Therefore, cowpea moisture contents of 11.05 % and threshing cylinder speeds of 900 rpm are the crop-machine parameters combination for optimum thresher performance. The performance of the machine is satisfactory; small-scale farmers will find more comfort in using it for threshing.
Cross coupling effects of modal space decoupling control for six degree of freedom 6-DOF parallel mechanism (6 DOF PM)
Authors: Ogbobe P. O. , Okoye C. N. , Akonyi N. S.
Published: June 2022

This study presented the performance of an alternative and effective control strategy through a decoupled controller by an input and an output transformation matrix, such that each Degrees of Freedom can be tuned independently with their bandwidth raised near to the eigenfrequencies. The simulation results of the Modal Space Decoupled Controller were analyzed in Matlab/Simulink environment and comparison made between the conventional PID controllers based on cross coupling effects. The results indicate that the conventional joint space conforms to the theoretical analysis when the compensation for the coupling effects was not considered. The results further showed that the Modal Space Decoupled Controller modified the dynamics characteristics, which can be attributed to reduction in the coupling effects between degrees of freedom motions.
Using online practice tests based on authentic short stories in English to enhance student language skills
Authors: Petkova Gergana , Ivanova Vanya
Published: June 2022

The purpose of this article is to explain the principle behind practice tests based on authentic short stories in English, describe their construction, and outline their ap­plication which aims to increase student knowledge and skills in a foreign language. The methodology employs digital practice tests created following a set of criteria for test development based on Bloom’s taxonomy. The results of the study indicate certain benefits of the practice tests: short stories introduce new vocabulary and the tests provide reinforcement, which both facilitates and motivates the students.
Vai trò trung gian của hành vi công dân trong tổ chức trong mối quan hệ giữa động lực làm việc và kết quả làm việc: Nghiên cứu điển hình ở ngành dịch vụ lốp ô tô Việt Nam
Authors: Phuong Nguyen Ngoc Duy , Hoài Mai Thanh , Huân Nguyễn Hồng
Published: June 2022

Mục tiêu nghiên cứu nhằm khám phá mối quan hệ giữa động lực làm việc và kết quả làm việc của nhân viên bán hàng tư vấn dịch vụ qua vai trò trung gian của hành vi công dân tổ chức tại các doanh nghiệp ngành dịch vụ lốp ô tô. Động lực là một quá trình cơ bản của tâm lý. Cùng với các yếu tố nhận thức, tính cách cũng như thái độ và học tập, động lực là một yếu tố rất quan trọng của hành vi (Miner và cộng sự, 1995). Hành vi công dân tổ chức được Robbins và Judge (2017) xem là hành vi tự ý không thuộc yêu cầu công việc chính thức của người lao động, nhưng lại đóng góp vào việc cải thiện hiệu quả hoạt động của tổ chức. Kết quả làm việc được hiểu là hiệu quả của những nhiệm vụ, các công việc mà một cá nhân thực hiện, được biểu hiện thông qua khía cạnh hành vi có liên quan tới mục tiêu của tổ chức. Dữ liệu nghiên cứu được khảo sát trực tiếp từ 300 đáp viên có thâm niên làm việc từ 5 năm tại các doanh nghiệp ngành dịch vụ lốp ô tô ở Thành phố Hồ Chí Minh, Đồng Nai, và Bình Thuận. Mô hình cấu trúc tuyến tính (PLS-SEM) được sử dụng trong nghiên cứu để phân tích ước lượng các mối quan hệ. Kết quả nghiên cứu xác định động lực làm việc có tác động tích cực đến hành vi công dân trong tổ chức và khẳng định mối quan hệ trung gian giữa động lực làm việc và kết quả làm việc của nhân viên. Kết quả nghiên cứu đóng góp cơ sở lý thuyết trong nghiên cứu hành vi tổ chức và đóng góp thực tiễn trong quản trị nguồn nhân lực đối với các doanh nghiệp trong ngành.
O conceito jurídico de maxiprocesso criminal
Authors: Andrade Mauro
Published: June 2022

Criminal mega-trials carried out by the judiciary police and public prosecutors are producing lawsuits with unprecedented traits in Brazil. Among them are its non-standard size in criminal justice, the high number of defendants and facts imputed, the length and complexity of the evidence, amid many others. This phenomenon motivated the Brazilian legal minds to study it, developing its concept with support in foreign literature. Nonetheless, what has been observed is a certain difficulty in proposing a conceptualization immune to criticism as the literature has been guided by fragile descriptions of the phenomenon. Therefore, the article focuses on the presentation of a concept that overcomes the problems encountered so far in order to enable the next step in its study, which is the proposition of solutions to the problems already verified in criminal mega-trials. Conclusively, criminal mega-trials are conceptualized simply as processes of extended dimensions, departing from this definition the causes that lead them to reach such a condition
Judiciário em tempos de pandemia: um estudo das decisões em habeas corpus do Tribunal de Justiça de Minas Gerais
Authors: Quintão Beatriz , Ribeiro Ludmila
Published: June 2022

This study analyzes how the Court of Justice of Minas Gerais is positing themselves regarding the Covid-19 pandemic, especially when considering the actions suggested by the National Council of Justice (CNJ). To this end, the habeas corpus decisions were analyzed using quantitative and qualitative methods, to identify the main outcomes, the arguments used for granting or denying the order, as well as the variables that influenced the person being held in custody. The results showed that the recommendations made by CNJ, regarding Covid-19, had little influence on the granting of freedom to those who had been taken into custody, as the number of releases was very low. In addition, the main factors that influenced the decisions were not those that were not the inmate comorbidities or the prison situation, but the subjectivity of judges and their perceptions about the crimes and the pandemic.
A importância do Parque Estadual do Utinga Camilo Viana para a conservação das espécies de plantas e fungos da região metropolitana de Belém, Pará, Brasil
Authors: Ferreira Leandro Valle , Miranda Adria Da Silva , Gurgel Ely Simone Cajueiro , Santos João Ubiratan dos , Brito Evellyn Garcia , Maia Arnold Patrick de Mesquita
Published: June 2022

Existem poucos levantamentos botânicos nas unidades de conservação da região metropolitana de Belém, a maioria limitada a poucos grupos biológicos. A fim de preencher essa lacuna, foi estabelecido, em 2018, o “Projeto Flora do Utinga” cujo objetivo é criar uma coleção de referência das espécies de plantas e fungos do Parque Estadual do Utinga. Foram amostradas todas as formas de vida de plantas e fungos em hábitats aquáticos e terrestres. Foram registradas 701 espécies de plantas, distribuídas em 110 famílias e 16 espécies de fungos. As famílias mais ricas em espécies foram Fabaceae, Araceae, Orchidaceae, Melastomataceae, Rubiaceae e Bignoniaceae. A forma de vida arbórea foi representada por 46% do total de espécies, seguida de lianas, arbustos, ervas e epífitas, que totalizam 49% de espécies, demonstrando a importância dessas formas de vida, negligenciadas em inventários. Os resultados demonstram que a riqueza de espécies de plantas e fungos no Parque do Utinga é considerável e revelam a importância que esforços de coletas para aumentar o conhecimento sobre a distribuição de espécies na Amazônia, demonstrando a relevância do parque para a conservação da flora, pois representa um dos últimos fragmentos de vegetação nativa em uma das regiões mais desmatadas na Amazônia.
Ordem Perissodactyla: conhecimento atual sobre a anta-brasileira, com ênfase no bioma Pantanal
Authors: Medici Emília Patricia , Fantacini Felipe Moreli
Published: June 2022

A ordem Perissodactyla é representada por uma única espécie no Pantanal: a anta (Tapirus terrestris) – o maior mamífero terrestre brasileiro. A espécie é listada como vulnerável à extinção, tanto nacionalmente como globalmente. Em nível regional, no Pantanal, a espécie é listada como ‘quase ameaçada’, pois no bioma ainda se encontram populações significativas – com total estimado em 30 mil indivíduos (14 mil destes sexualmente maduros) –, distribuídas em densidades que variam entre 0,21 e 1,38 ind./km² em diferentes sub-regiões do bioma. O objetivo deste artigo foi compilar o conhecimento sobre a espécie, com ênfase nos estudos conduzidos no Pantanal, englobando aspectos biológicos, ecológicos e de saúde, bem como apresentar alguns métodos de estudo e contenção química para antas de vida livre e destacar alguns desafios para sua conservação. Este trabalho traz informações inéditas sobre a anta no bioma. As informações aqui apresentadas podem contribuir para nortear novos estudos e processos de tomada de decisão e ações visando à conservação da espécie e do bioma como um todo.
Use of Recycled Construction and Demolition (C&D) Wastes in Soil Stabilization
Authors: Sangeetha S. P. , T. Chophi Zhimoholi , Venkatesh Pooja , Fahad Muhammad
Published: June 2022

With the growing construction sector, there is a constant rise in wastes generated by both construction and demolition activities. According to an estimate by Building Material Promotion Council (BMPTC), 150 million tonnes of construction and demolition (C&D) wastes are generated in India annually. However, the official recycling capacity is a meagre6, 500 tonnes per day (TPD) - just about 1 percent. This paper examines the properties of Black cotton soil and investigates the use of recycled C&D wastes in soil stabilization of black cotton soil. This research focuses on the inexpensive and eco-friendly nature of C&D wastes as an admixture for soil stabilization. The tests were performed using different proportions of recycled C&D wastes in the proportions: 5%, 10%, 15%, 20%, and 25%, to increase the strength of black cotton soil. California Bearing Ratio (CBR) showed an increase from 2% to 18.09%, Maximum Dry Density (MDD) showed a decrease from 2.107 g.cc-1 to 1.69 g.cc-1, and Optimum Moisture Content (OMC) showed a variation and increased from 15% to 18.09% with the addition of 25% C&D wastes.
Elimination of Greenhouse Gas Emissions by Utilization of Industrial Wastes in High Strength Concrete for Environmental Protection
Authors: Divahar R. , Kumar K. Naveen , Aravind Raj P. S. , Sangeetha S. P.
Published: June 2022

Greenhouse gases prevalence in the atmosphere is a primary reason for global warming. The cement manufacturing sectors are a significant producer of greenhouse gases, contributing one metric tonne of carbon dioxide into the environment for every metric tonne of cement produced. The heat of concrete is increased by several degrees during the pozzolanic reaction, and CO2 is released. The development of binary and ternary cementitious systems has minimized the unfavorable reactions of conventional cementitious materials. Metakaolin and alccofine, two mineral admixtures derived as waste products from industries, were used as cement substitutes in this study. The compressive strength of alccofine was compared to a metakaolin-based high strength eco-friendly concrete mix of grade M50 in an experimental investigation. In the case of binary and ternary blended cementitious systems with alccofine and metakaolin, twelve alternative mix proportions were tested, ranging from 0 to 20% in 5% increments. Based on the observed mechanical characteristics of concrete, it was discovered that the optimum replacement of alccofine was 15% and metakaolin was 5% by volume of cement in the binary cementitious system. Similarly, in the ternary cementitious system, replacing 15% alccofine with 5% metakaolin in the cement mixture results in the greatest increase in compressive strength when compared to the other experiments. As a result, it is concluded that using extra cementitious materials in concrete with mineral admixtures such as alccofine and metakaolin results in significant cost and energy savings, as well as a notable reduction in environmental pollution.
Numerical Simulation of Soil Temperature With Sand Mulching During the Growing Season of Spring Wheat
Authors: Zhao Wenju , Liu Yuhang , Li Zongli , Su Yu
Published: June 2022

The thermal conditions of soil are important in practical agricultural production. The characteristics of heat flux, moisture content, thermal conductivity, and other soil parameters vary with temperature. This study uses VADOSE/W to create a model of heat transmission between soil and atmosphere, simulating daily changes in soil temperature using sand mulching. By using the published data to verify the model, the results show that the fitting effect is good and the reliability of the model is verified. We also used this model to determine the temporal and spatial distributions of soil temperature, temperature differences, and a temperature gradient for sand mulching and bare soil during the growing season of spring wheat. These results indicated that the sand mulching preserved heat at night. The difference in temperature at each depth and the temperature gradient became negative with the gradual increase in solar altitude. The difference in soil temperature at each depth and the temperature gradient tended to become positive by 22:00. These results indicated that the sand mulch effectively maintained the soil temperature in the morning and night during the growing season and impeded the transfer of heat at mid-day. This study provides a new method for determining the transfer of heat in sand-mulched soil, which can guide the effective regulation of soil temperature.
Delineation of Groundwater Salinity Zones in Shefa and Malampa Provinces, Vanuatu
Authors: Kotra K. K. , Bathula S. , Sami E.
Published: June 2022

A preliminary assessment was carried out in identifying the salinity zones due to considerable concern over salty groundwater resources in Vanuatu’s Shefa and Malampa regions. Electrical conductivity (EC) and pH were measured on the islands of Efate, Lamen, and Nguna in Shefa province, as well as the islands of Ambrym and Paama in Malampa province. Thirty-four percent of the samples exceeded Vanuatu’s National Drinking Water Standards with an average of 3123 μS/Cm indicating possible salinity zones. Whereas the average pH of 7.21 was in the range of acceptable levels. EC values as high as 18,520 μS/cm indicate groundwater in some locations are unfit for drinking. The average Total Dissolved Solids (TDS) of 1717 mg.L-1 is also indicating non-compliance with standards. Salinity zone maps were developed based on the observations. Further detailed studies need to be conducted to ascertain the factors that influence groundwater salinity, such as geology, island type, and seasonality.
Rossian Moral Pluralism in the Philosophy Classroom
Authors: Burkard Anne , Gertken Jan
Published: June 2022

In this paper, we outline central features of David Ross’s moral pluralism and show why it is an attractive subject for philosophy classes in secondary schools. We argue that Ross’s pluralistic theory constitutes an important systematic alternative to monistic theories, such as Kant’s moral theory and act utilitarianism, which often dominate ethics courses in secondary schools. Ross’s theory also provides students with a much-needed theoretical framework for expressing an independent view which integrates elements from different theories covered in ethics courses. Based on our outline of Ross’s version of moral pluralism, we also sketch a unit in which advanced level students are introduced to and discuss central elements of Ross’s pluralistic moral theory. The overarching aim is to encourage students to engage with a potential limit of monistic theories and with an alternative normative approach to moral thinking, thereby refining their conceptual tools for expressing and discussing their own moral views.
Digital Junkies?
Authors: Heusinger von Waldegge Florian
Published: June 2022

Due to proceeding digitalisation, online communication and online entertainment play a significant role in the lives of many people, who spend great amounts of time online. Although excessive and pathological forms of online behaviour do exist, the impact of internet usage on mental health depends on many individual and social circumstances. A central issue within the scientific debate is the concept of Internet Addiction. However, there is neither a scientific consensus about proper diagnostic criteria, nor a consensus whether such a pathology exists at all. Nevertheless, popularised scientific literature and panic mongering media reports warn about Internet Addiction and its harmful consequences. This is an ethical problem: those unjustified claims stigmatise especially young people and pathologise their leisure activities – such as online gaming and online social networking. Parents, teachers and students are often misguided by the public debate. This article outlines problems of the concept of Internet Addiction and gives some suggestions of how to deal with it in philosophy-classes in schools.
Filter Bubbles, Echo Chambers, and the Possibility of Education
Authors: Tichy Matthias
Published: June 2022

In the light of changes caused by digital media, some media scientists are speaking of an "epocal" or "structural break" leading to a challenge for education. Using the examples of so-called filter bubbles and echo chambers, this article shows that digitalization reveals some well known problems in new clothes and thereby offers them a new topicality. The present article calls attention to specific limits of the media studies’ viewpoint (1), it shows what contribution philosophy can bring to the mentioned problems (2), it connects the approaches of media studies and philosophy (3), and it draws some did actical conclusions (4).
What is a Philosophical Problem?
Authors: Lampert Yvonne
Published: June 2022

This article sketches out a picture of philosophy that indicates the relevance of exploring not only what we think but especially how we think. From the perspective of analytic philosophy – as an approach to philosophical problems – the way we think and talk should be given more attention in secondary school to resolve ambiguity, inconsistency and incoherency in our understanding in any subject. Attention should be paid to (1) the application of philosophical competencies and (2) philosophy as a cross-curricular activity. Analytical activities, not as being the only viable philosophical activities but as being major and reputable activities in philosophy, contribute distinctively and substantially to the development of students’ reflective and critical thinking which is a necessary condition for doing philosophy. Consequently, issues of meaning and justification take priority over “big philosophical questions” and they should be discussed in any (school) subject.
What is an Essay?
Authors: Foglia Marc
Published: June 2022

The author examines the essay as the form of philosophical writing practiced in the context of the International Philosophy Olympiad. He questions the idea that the essay would be an open, smooth, and neutral form in view of the many expectations of the jury. He argues that these expectations as to what constitutes a good essay, sometimes uncertain, ambiguous, or even contradictory, are not yet sufficiently explicit.
Missing Link
Authors: Lampert Yvonne
Published: June 2022

The relations between science and philosophy are so close that philosophy of science is a central concern of both, philosophers and scientists. Moreover, science education research considers philosophical aspects to improve science education. Over the last decades decades, science education has depicted philosophical perspectives on science that target understanding concepts and the nature of science as well as socio socio-scientific issues. Surprisingly, d idactics of philosophy is not very much concerned with the connection between philosophy and science education. Teaching philosophy of science in secondary schools is not very popular even though science constitutes a dominant and pervasive aspect of stude nts’ lives. Hence, this paper focuses on philosophy of science as a missing link, connecting students’ direct experience and science’s growing influence on their lives with the general statements, methods, and concepts of science generated to a large exten t within secondary school subjects. To counter potential misunderstandings, I examine some misguided ways of thinking of philosophy of science in schools. The aim is to institutionalize philosophy of science in upper secondary schools and to foster the int erconnection of subjects within post post-compulsory education.
Philosophizing Dialogically in an E-Learning Setup
Authors: Brenneis Andreas , Daum Sonja N. K.
Published: June 2022

This article shows how digital teaching can be implemented in the subjects of ethics and philosophy. Philosophizing as a multifaceted dialogical process comes with specific challenges. We focus on teaching formats in digital-only situations and explore the question of how teaching will be impacted by virtual seminars. Based on this, the e-learning seminar developed in the winter semester 2020/2021 that serves as the introduction to didactics of philosophy and its philosophical problems will be presented, focusing on the specific advantages of the digital format for dialogical philosophizing.
Teaching Philosophy Online?
Authors: Volek Peter
Published: June 2022

The article deals with the issue of the appropriateness of online philosophy teaching at the level of secondary schools. The author presents a thesis that online teaching of philosophy as an acceptable substitute for in-person classes should be used only as an exception under special circumstances, e.g. an endemic. Under normal circumstances, online teaching should preferably be used as avaluable supplement to in-person teaching. The thesis is elaborated through an analysis of several fundamental concepts (philosophy, the role of philosophy in the educational process, online teaching). Subsequently, the thesis is also supported by a comparison of the advantages and disadvantages of online teaching of philosophy. The disadvantages of online philosophy teaching, as e.g. limited possibility to use dramatization, reading, play, and non-verbal communication will prove to outweigh the advantages.
Cognitive-emotional coping strategies for high school students
Authors: Cîndea Adela , Balaci Ileana
Published: June 2022

The study aims to identify the strategies of cognitive-emotional coping that are most frequently used by students in adolescence, a period marked by profound and multiple changes. For this purpose, the CERQ questionnaire was applied to a sample of 130 students. They are between 16 and 18 years old and attend the high school education courses of the technological branch, in Timiș County. The aim of the survey was to obtain a relatively balanced distribution of the sexes: 51% girls; 49% boys. The results of the study illustrate that the cognitive-emotional coping strategies of the maladaptive type are the ones that record the highest weights among adolescents. They are found, however, at a higher level among girls.
Didactogenia ca factor de patologizare a capacitații de invațare (elemente pentru o meta-analiză a fenomenului de eșec școlar)
Authors: Șleahtițchi Mihai
Published: June 2022

Didactogeny is an expressive indicator of school maladaptation. As soon as it appears, as a result of communication mistakes committed - voluntarily or involuntarily - by teachers, it puts undesirable pressure on their disciples, disorganizing all their activity and all kinds of relationships. Since, the phenomenon in question disrupts the training process by the pernicious energies which it possesses, calling into question its proper conduct, it is evident that the worries which appear in such a case must concern - first of all and in particular - the learning capacity of the pupils or, more precisely, the manner and extent to which the targeted type of capacity is subjected to erosion. The data we have - we refer both to the fi ndings that we have managed to extract from the specialized literature and to our own observations related to the inappropriate behavior of teachers - show that, ad extremum, the detrimental infl uence that didactogeny, as as a pathological factor, has over the ability to learn is expressed in at least three phenomenological situations: (I) the occurrence of school delays, (II) decreased ability to process information, and (III) disrupted motivation to learn.
Анализ негативно влияющих и психотравмирующих факторов в образовательной среде
Authors: Ганузин Валерий , Ковалёва Елена
Published: June 2022

Contemporary scholars note in current researches that students’ mental health is deteriorating as a result of educational violence. There are new forms of violence among students, various forms of pedagogical and psychosocial violence that are harmful for students’ health. Professional deformations, overwork have a negative impact on teachers’ professional activity. Teacher’s emotional exhaustion generates inappropriate behavior, reduces creativity. The article analyzes the infl uence of the school environment and the pedagogical process on the mental and physical health of the participants in the educational process. A reviewof modern research from our country and from abroad on the dangers of an unfavorable school climate, pedagogical violence, didactogeny, post-school stress, victimization of students, suicidal situations and factors contributing to their occurrence is given.
Сравнительное исследование проявления агрессии у детей с нарушениями зрения в инклюзивных группах
Authors: Малева Зинаида Петровна
Published: June 2022

The article presents the results of a study of aggressive behavior in children with visual impairments at preschool age. It determines the features of the manifestation of aggression and pronounced negative emotional states. The aim of the study was to investigate and compare the characteristics of aggression in visually impaired children and children with no visual impairment. The pilot study involved 30 boys aged 5 years (the average age of 5 years and 5 months) with visual impairments. For a comparative analysis of the data obtained, we examined 30 boys of the same age (the average age of 5 years and 4 months) who have not had visual impairments. In the methodological complex of studying the reactions to frustration situations, studying the value orientations of preschoolers and studying the aggressive behavior of visually impaired boys aged 5. In the study of value orientations and self-esteem, a tendency for more pronounced strength in visually impaired children was identifi ed.
Conflictul intrapersonal și frecvența atitudinilor adoptate de studenții pedagogi
Authors: Țărnă Ecaterina
Published: June 2022

In this article we will analyze the intrapersonal conflict that involves a misunderstanding with oneself, but also a certain attitude of self-reflection. Our field of research is part of the issue regarding resolving intrapersonal conflict in relation to the frequency of attitudes adopted by pedagogical students. Anticipating the analytical presentation, which is especially a call for the development of the non-conflict attitude, we must point out that in this article, we will note only some of the many possibilities exposed by the academic community, considered important in the constructive resolution of intrapersonal conflicts, but without denying also the value of the others, advocating for the introduction in the Curriculum, the fi eld of initial vocational training Education Sciences of a course entitled „Conflictology”.
A Multilayer Immune-Inflammatory Genetic Biomarkers in IRF5 Pathway as Contributors in Patient’s Outcome with COVID-19
Authors: Machado-Souza Cleber
Published: June 2022

Background: COVID-19 is a disease produced by a viral infection peculiar to the SARS-CoV-2 and which produces an intense inflammatory response after the infectious process with participation of immune pathways, like IRF5, that could enhance post-infection actions. Thus, understanding the aspects of pathophysiological pathways for IRF5 involved in immunoinflammatory responses is essential to search for biomarkers that can help to identify early patients who would have the worst outcome.

Methods and Findings: A comparative study between two groups of patients with cases of COVID-19 divided considering the number of days on which the patient had manifestations that led him to hospitalization (7 days). Blood samples were collected to evaluate IL-6 and DNA. Polymorphisms in IRF5 pathways genes (TLR7, IRF5, IL6, IFNA, IFNB1, IFNG) were genotyping by TaqMan® assay using Real-Time PCR (Applied Biosystems). The rs2069849 showed the G allele more frequently in a group that present less than seven days of symptoms, and the same SNP was correlated with highest serum levels of IL-6.

Conclusions: Our results suggest that IL6 gene polymorphism, involved in the IRF5 pathway, can be associated with the worst patient’s outcome in COVID-19. The rs2069849 in the IL6 gene have been linked and could, in the future, be used as biomarker.
Evaluation the Color Stability and Masking Ability of Darkened Teeth Treated With Two Kinds of CAD/CAD Veneer after Thermocycling
Authors: Borges Ana Flávia Sanches
Published: June 2022

Objectives: Evaluate color stability and masking ability of darkened substrate restored with two kinds of CAD/CAM veneer materials and the underlying light curing cement (light or neutral) after 1,000,000 thermomechanical cycles. And as a complementary analysis, the residual compression strength of the specimens that survived the thermocycles was carried out.

Materials and methods: 60 indirect veneers (IPS e.max CAD and VITA Enamic) with 0.8 mm were prepared using the milling method and cemented on central incisors replicates, non-darkened (A2) or darkened (C4) with light-curing cement: neutral (N) or light (L) (n=10). Spectrophotometer measurements were performed 48h and 72h after cementation and after thermomechanical cycles (250,000; 500,000; 750,000 and 1,000,000). Color differences were evaluated by CIEDE2000 system (ΔE00). The perceptibility threshold was set at ΔE00 = 1.28 and clinical acceptability threshold was set at ΔE00 = 2.24. For the survived samples, compression test was performed as a complementary analysis after specimen ageing. Fractographic analysis was employed to observe fracture patterns. Data were analyzed by two-way ANOVA followed by post hoc Tukey test for color test and compression test by Kolmogorov-Smirnov, Shapiro-Wilk and Tukey test (5%).

Results: independent the material and light curing cement used, they were capable to mask the darkened substrate and showed color stability over time, presenting ΔE00 < 0.7. After thermomechanical cycles, lithium disilicate ceramic presented higher residual compression strength and at fractographic analysis demonstrated brittle behavior. Polymer-infiltrated ceramic network presented a plastic deformation and chipping on the veneers’ edges.

Conclusion: After 1,000,000 thermomechanical cycles, lithium disilicate ceramic and the polymer-infiltrated ceramic network veneers, processed by CAD/CAM with 0.8 mm and the underlying light curing cement presented color stability and could mask the darkened substrate over time.
THE EFFECTS OF DIVIDEND DISTRIBUTION POLICIES ON FIRM VALUE: AN APPLICATION ON BIST FOOD BEVERAGE AND BIST CHEMICAL PETROL AND PLASTIC INDICES
Authors: BEYTEMUR Nur , ERSOY Hicabi
Published: June 2022

The aim of this study is to investigate whether the dividend policies of companies in the BIST Food Beverage and BIST Chemical, Petrol and Plastic Indexes have an effect on the firm value. In this study dynamic panel data Two Stage System Generalized Moment Method proposed by Arellano and Bover, Blundell and Bond were used between 2010 and 2020, annual data from companies in the BIST Chemical, Petrol, Plastic, and BIST Food and Beverage indices were used in the study. In this research firm value is dependent variable. Dividend distribution status per share is included independent variable, debt/equity ratio, return on assets and return on equity are included as instrumental variables.It was determined that the dividend distribution policies in the BIST Food and Beverage indexes did not have a significant effect on the firm value. On the other hand, dividend distribution policies in BIST Chemical, Petrol, and Plastic index have a significant and negative effect on firm value. It has been observed that the instrument variables used in the study have a positive and significant relationship on the firm value.Although there are many studies in the literature on this subject, it has been seen that the dividend puzzle is continues. It is thought that this study will contribute to the literature since it has a larger and more up-to-date data set compared to other studies conducted in Turkey, and includes the comparative results of the two indices determined.
The credential highway: how self-sovereign identity unlocks property rights for the bottom billion
Authors: Panfil Yuliya
Published: June 2022

Every person in the world has a right to own, rent, or otherwise occupy property. But, billions of people lack documentary proof of their property rights. Why? Because the pieces of evidence that administrative agencies require to register property — things like a survey plan, a notarized will, or a state-issued identity card — may be inaccessible, or may not represent the reality of rights on the ground. As a result, land administration systems end up excluding billions of people. However, these macro pieces of evidence are far from the only proof of property claims. In fact, the reality of our property rights is evidenced by a multitude of small, everyday events: where we sleep at night, where our mail is delivered, the knowledge and memories of our neighbors, or the fact that we paid to put a new roof on our house or a fence around the yard. Until recently, these everyday events have occurred unrecorded, in the analog world, and beyond the sight of administrative agencies that provide us with property documents. But our lives are becoming increasingly digitized. With the proliferation of smartphones, satellites, and social media platforms, more and more of these small events leave a data trail. Taken together, this data can be used to create a tapestry of new evidence—let’s call it a “tapestry credential”—that property holders could use to obtain documentation of their property rights. This report argues that a digital identity system—specifically, self-sovereign identity (SSI)—is the vehicle for harnessing this wealth of new data in a way that is trustworthy, secure, and privacy-preserving.
The role of flight simulation in flight training of pilots for crisis management
Authors: Lazic Dragan Andrija , Grujic Vladimir , Tanaskovic Marko
Published: June 2022

Every day over 102.000 commercial passenger flights take place on a global scale above our heads. Because of that many questions arise in the areas of safety and security in massive air traffic. If airlines use crisis management, any activity concerning the preparation of the crew and the aircraft for a particular task - flight gets more significance and importance. During the flight, the pilot - the captain of the aircraft, is the key person of any company activity that includes transport of people and goods, and that is the reason why a pilot's psycho-physical abilities and flying performance must be constantly checked, evaluated and improved. In a plane crash near North Macedonia's capital city Skopje, the aviation investigators discovered the number of serious failures in pilot training that led to the fall of a private plane Cessna 340. The investigation revealed that although the pilot was certificated to fly in instrument meteorological conditions, his actions in the air indicate that he was not well trained. European and American aviation authorities have clear legal regulations regarding the training and certification for individual flight categories as well as a categorized simulation technique where pilots exercise before they get one of the flying categories. Flight simulators play an essential role in the training of the future pilots for both visual and instrumental flight conditions
Cambios socio-actitudinales de los estudiantes universitarios por la formación en Derechos Humanos
Authors: Vásquez Gutiérrez Claudia Alejandra
Published: June 2022

OBJETIVO: identificar los cambios socio-actitudinales que experimentan los estudiantes universitarios por la formación en Derechos Humanos. MÉTODO: el estudio contempló un enfoque mixto, de tipo exploratorio-descriptivo con diseño fenomenológico. La población estuvo compuesta por 150 universitarios finalistas de la carrera de la Licenciatura en Pedagogía y Derechos Humanos de la Facultad de Humanidades de la Universidad de San Carlos de Guatemala. El muestro fue no paramétrico y a conveniencia dada la oportunidad que se tuvo de contar con las unidades de estudio en la misma área geográfica laboral; se contó con una muestra de 48 estudiantes.  Para la aproximación cuantitativa se aplicó una encuesta tipo Likert y para la fase cualitativa una entrevista semiestructurada a diez estudiantes quienes, después de haber respondido la encuesta, estuvieron de acuerdo en participar en la segunda etapa.  RESULTADOS: los principales cambios socio-actitudinales que evidenciaron los estudiantes están relacionados en mayor escala con el ámbito afectivo-conductual por cuanto su manera de pensar y actuar se vio influenciada por experiencias de vida que remarcaron el conocimiento adquirido durante su formación. CONCLUSIÓN:  los estudiantes finalistas de la Licenciatura si experimentan cambios socio-actitudinales por la formación en este campo que no dependen exclusivamente solo de aspectos cognitivos sino también de la sensibilidad que experimentan a través de la participación en trabajos sociales.
THE RESULTS OF STUDYING DIAPAUSING EGGS (CYSTS) OF BRINE SHRIMP ARTEMIA ON THE BOTTOM OF HYPERHALINE LAKES OF THE ALTAI TERRITORY
Authors: Lukerina G.
Published: June 2022

The results of studies of bottom Artemia cysts in Kuchukskoe Lake and Bolshoe Yarovoe Lake of the Altai Territory in 2020 are presents. Artemia cysts at the bottom of lakes were observed all year. This number depended on the type of soil. The biomass of bottom cysts in Kuchukskoe Lake was 154.2 tons in spring, of which available and externally-whole – from 11.8 to 25.2 tons. Bottom Artemia cysts are not available on 27% of the lake area in Kuchukskoe Lake due to the high salinity of the water and salt precipitation. The viability of cysts from shallow bottom areas was 8.9% in spring. In Kuchukskoe Lake the main role in the formation of first generation Artemia in spring is played by cysts from accumulations on the coast, washed away by the runoff of melt water. The deep water of Bolshoe Yarovoe Lake determines the peculiarities of the temperature regime in spring, which prevents the rise of Artemia cysts from the bottom from depths of more than 7.0 m. Significant silt deposits at the bottom of the lake are an aggressive environment for cysts, which is shown by the presence of different group of quality: externally-whole, with defective chorion, gray or black color. The biomass of bottom cysts in Bolshoe Yarovoe Lake was 38934 tons in autumn of 2020, which exceeds the reproductive capacity of the Artemia population in one year. This proves the long-term period of accumulation of cysts at the bottom and their incomplete participation in the formation of the Artemia first generation in spring. The maximum hatching of nauplius from bottom cysts in spring from a depth of more than 9.0 m was 16%, from a depth of 8.0 m – 26%.