bluuebunny/crossref_metadata_2025 huggingface dataset:
Glancing Moon From Student Perspective: Journey From Intuitive To Scientific
Authors: Kharb Dr. Poonam
Published: March 2022

The purpose of this study is to provide detailed information about impact of traditional
teaching on students understanding of moon in the sky and aspects related to it: shape,
pattern of motion, eclipse and phases of moon. The focus is on exploring ideas in the mind
of students related to moon that are at foundation for understanding of astronomical
concepts. Seventy two students participated in the study. Data is collected quantitatively
through pre-test post-test design. Analysis of data revealed that students lack observational
experiences about moon and prior knowledge from different sources is insufficient. The
more structured instruction is needed to reach full scientific understanding across all
aspects of moon. This study has future implications for classroom researches and
curriculum designing.
Role of Technology for Equality, Diversity and Inclusivity
Authors: Kaur Dr.Navdeep , Kaur Mrs.Maninderpal
Published: March 2022

In this 21st century, technology has brought revolutionary change in global realm, specifically in information society, which influenced all the different fields of human society. To compete in world economy, nations cannot think of their development without the integration of technology (such as information and communication technology) in their educational systems (United Nations, 2005). Information and communication technology (ICT) is proved very useful to attain educational objectives in inclusive setting, where all children are taught in common classroom regardless of their socio-economic, cultural, religious, regional, caste and creed backgrounds. The task of providing qualitative and accessible education to differently abled children has become a shared responsibility for all stakeholders (Ahmad,2015;Praisner,2003); which demands a change in attitude, the presence and accessibility of infrastructure facilities, different methods and strategies of teaching and learning, varied tools and techniques for assessment and evaluation, and the solution of issue of acceptance and accommodation of all learners at all levels in education system(Ahmad,2014;2015b;Stainback & Stainback,1984). Assistive devices and assistive equipments of Information and communication technology facilitate children with varied impairments in inclusive setting. Researches proved that information and communication technology has played a crucial role to bring equality among all learners in the inclusive classrooms, however the efficiency in educational process can be achieved only through the involvement of stakeholders of education and with the efforts of different countries ( in terms of finance disbursement and provision of infrastructure facilities).
Role Of Educational Technology In Equality, Diversity And Inclusivity
Authors: Puri Kajal
Published: March 2022

EDUCATIONAL TECHNOLOGY has been the need of the hour during COVID 19 as everyone is hailing and dependent upon technology. Technology has greatly expanded access to education for preparing the talent needed for the digital economy. Massive amount of information is available online and opportunities for communications and collaboration have also been expanded by technology. Surely 2020 has brought plethora of opportunities for professionals and students which has emerged the concept of Equality, Diversity and Inclusivity which is a paradigm shift in education sector. Technology has played a crucial role in our lives and has created a boon for information technology industry.
The present paper will encompass the objective of effect of Education Technology on learning process of students with regard to Equality, Diversity and Inclusivity. This research in terms of method is descriptive so an empirical study is conducted through 108 questionnaires based on five point Likert Scale and all the questionnaires complete in all respects were used for drawing generalizations. Various statistical tools like Correlation, Regression analysis and ANOVA has been applied to draw conclusions. The reliability of data will also be tested through Cronbach’s Alpha so it will be easier to draw conclusions.
Enhancing Students’ English Language Vocabulary Skills Through An Online Remediation Program
Authors: Pasicolan Jean Marie F. , Banera Romulo T. , Catabay Maria Jessamin A. , Tindowen Darin Jan C.
Published: March 2022

Vocabulary acquisition is an integral part of learning a language which involves a challenging process. Hence, the implementation of efficient vocabulary learning strategies should be done among different English classes to make it easier for students to enhance their vocabulary skills. While the pandemic made it more challenging for learners to study and master English vocabulary, the rise of online instructional materials is highly appreciated for it is more convenient for the students to learn. This quasi-experimental study was an attempt to determine the effectiveness of an Online Remediation Program in enhancing the vocabulary skills of Junior High School students. A total of 20 Grade 7 students from University of Saint Louis participated in the online remediation program and answered the vocabulary pre-test and post-test. The researchers utilized pre-test and post-test that were consisted of a 30-item multiple choice to measure the vocabulary skills of the participants. This study followed three phases of data gathering: First, a pre-test was administered to the participants before the utilization of the proposed vocabulary development remediation program. Second, the proposed vocabulary development remediation program was implemented to the target participants. Third, a post-test was administered to the participants after the utilization of the vocabulary development remediation program. Frequency and percentage was used to interpret the pre-test and post-test scores of the participants while independent sample T-test was used to test the significant difference between their pre-test and post-test scores. Results revealed that the post-test scores of the students were higher than their pre-test scores. In addition, the findings showed that there is a significant difference on the pre-test and post-test scores of the participants. Finally, the overall evaluation of the participants to the Online Remediation Program is Excellent. Thus, the study concludes that the utilization of Project STRIVE is effective in enhancing the vocabulary skills of Grade 7 students.
Caste Conflict In Vijay Tendulkar’s Play ‘Kanyadan’
Authors: JOHARI DR. SANJAY
Published: March 2022

Literature is the mirror of society. This is so because literature gives shape to civilization and impacts on social norms. It changes the entire atmosphere. Mostly literature changes the political issues and it also exposes in justice. Literature presents before us the real human existence. In English literature there are many dramatists who present the emerging issues in the contemporary life. Girish Karnard, Mahesh Dattni and Vijay Tendulkar are the famous dramatists who show the mirrorto the society by their deft artistic excellence. Vijay Tendulkar one of the most celebrated marathi dramatists, who presents the realistic problems of human society which are emerging in contemporary life. No phase of problem is intouched with his literature that is not depicted in his writings. That is why his plays become the high criticism of Indian society. He penetrates into the inner souls of his characters, especially the women in patriarchal society. In this way Tendulkar presents the complexity of human relationship in contemporary life. He has shown conflicts, violence and sex characterized in his plays.
Role Of Self Help Group In Building The Women Entrepreneurship: A Case Study Of ADARSHA
Authors: Shanbhogue Girish
Published: March 2022

Self Help Group are the association of people who are economically weaker sections of society. Mutual trust, consensus , joint responsibilities, group decision making are the major principles of the Self Help Group.SHG provides the shared value and shared experiences and group have a positive influence in initiating entrepreneurial activities.

Self Help Group is instrumental in developing the saving economy , where each members of SHG saves money ,they link themselves with bank through opening saving accounts and avail financial facilities for start up of micro enterprises.SHG also identifies the entrepreneurial avenues and motivate their members in investing in those ventures. Development of human capital, social and economic development is possible through the Self Help Groups. Women with small amount of money and traditional technology can start micro enterprises and these small enterprises can bring the opportunities and life of women in rural areas can be improved. This paper discuss the role of Self Help Group in building confidence and creating values in the society. A case study of ADARSHA a NGO of Moodbidri of Karnataka included, this NGO is taken the initiative in bring the rural women into main stream, through building confidence and providing training.
Education Inequalities: An Investigation Of Gender Representation In Leadership Positions Of Selected Secondary Schools Of Gauteng Province
Authors: Ntsana Margaret Kholiwe Ntsana
Published: March 2022

Most countries, South Africa included, are still grappling with gross gender underrepresentation in the senior education management and leadership positions. This article highlights the plight of women and their struggle to access senior leadership positions in education and aims to challenge the long-standing adage that women must teach, and males must lead. This study does not ignore the fact that there have been changes in the recruitment of women in leadership positions. It recognizes that there is evidence that even the women who are already in leadership positions are not afforded the same treatment as their male counterparts. The research study made use of quantitative research methods, and data was analysed using mathematically based methods, statistics. A sample was drawn from three different schools within the Tshwane District and was handed prepared questionnaires to respond to. Findings in this study highlight the barriers contributing towards women being underrepresented in leadership positions, to include, among others; gender roles stereotypes tying women to household chores as well as childrearing responsibilities. Recommendations are made on the following aspects, namely, recruitment and selection committees, education policies, deconstructing gender roles stereotypes as well as providing strong mentorship for women in leadership positions.
Role of JLG’s(Joint Liability Groups) in Enhancing Village Economy
Authors: K R Dr. Sreeni
Published: March 2022

JLGs (Joint Liability Groups) help to enhance village economies by providing local jobs,
livelihoods, and income, as well as eliminating poverty and creating an inclusive economy.
JLG is an informal group of four to ten persons who share a common socioeconomic
background, reside in the same neighbourhood, and engage in similar activities. To begin
earning a living, all participants agree and take out a loan in groups. JLG’s are formed with
the support of FPOs, Kudumbashree, KVKs (Krishi Vikas Kendras), ATMA (Agriculture
Technology Management Agency), and local nationalised and cooperative banks. In this
study, I investigated the various models of JLG’s and their techniques, the extensive
participation of women in all aspects of agricultural and allied activities as well as the
obstacles they have in selling their products, generating money and other sources of income,
and how group formation empowers women.
Informing Work Interaction Design by 3rd Generation Activity Theory
Authors: Hemmecke Jeannette , Star Christian
Published: March 2022

In this paper, we reflect on stakeholder interaction design supported by task behavior specifications and stakeholder benefits when framing design with (i) eliciting task knowledge and understanding work activities and activity systems, (ii) means of interactional representation for design, and (iii) capturing the dynamics of activity systems. Thereby, complimentary inputs to theory development and work interaction design techniques become evident. In particular, eliciting implicit knowledge on human task accomplishment and work processes helps understanding and representing activities as design-relevant behavior entities. Eliciting implicit knowledge influences the representation of work knowledge and the subsequent design process of socio-technical systems. We elaborate on some methodological interventions for creating stakeholder task behavior models, including patterns of information exchange for collaborative task accomplishment.
Evaluation of static recrystallization and grain growth kinetics of hot-rolled AZ31 alloy
Authors: Sadi Salaheddine , Hanna Abdelkader , Baudin Thierr , Helbert Anne-Laure , Brisset François , Bradai Djamel , Azzeddine Hiba
Published: March 2022

The static recrystallization/grain growth kinetics of the AZ31 (Mg-3Al-1Zn, wt%) alloy were investigated employing Vickers microhardness and electron backscatter diffraction (EBSD) measurements. The AZ31 alloy was subject to a hot-rolling for 70% of thickness reduction and then annealed at various temperatures (150°C, 250°C, and 350°C) from 5 min to 24 h. First, the static recrystallization kinetics were analysed by means of the Johnson-Mehl-Avrami-Kolmogorov (JMAK) model. The results showed that the recrystallization occurred under two regimes both involving their own Avrami exponent/ activation energy. In regime I, the Avrami exponent was found in the range of 1.5-0.35 depending on the annealing temperature and activation energy of 74.1±5.7 kJ×mol-1. In regime II, an identical value of Avrami exponent was found (0.1-0.2) and a very low activation energy of 14.8±0.7 kJ×mol-1 was found for all annealing conditions. Non-random nucleation sites such as shear bands were considered as the main factor responsible for the deviation from the JMAK model. Moreover, the grain growth kinetics was well fitted by the general  equation where . Accordingly, Qg = 109± 0.2 kJ×mol-1 which is median between grain boundary diffusion and bulk diffusion values for Mg and its alloys. The derived activation energies were discussed in terms of influencing factors such as solute drag, formation of basal texture, and microstructural heterogeneities like shear bands and twinning.
Synthesis and phosphate adsorption performance of elephant dung biochar modified with magnesium and iron
Authors: ABEYSINGHE Navod , JETSRISUPARB Kaewta , KARUNARATHNA K.H.T. , CHANDANA E.P.S. , SUWANREE Siraprapa , KASEMSIRI Pornnapa , CHINDAPRASIRT Prinya , KNIJNENBURG Jesper T.N.
Published: March 2022

The large production volume combined with the high lignocellulose content makes elephant dung an attractive and underutilized biomass resource, but also presents waste management problems for elephant orphanages. This study explored the conversion of elephant dung into biochars by slow pyrolysis at 500°C for the recovery of phosphate. The unmodified biochar (BC500) had a specific surface area (SBET) of 62.5 m2×g-1 with point of zero charge (pHPZC) of 7.7. Biochar modification with MgCl2 (MgBC500) and FeCl3 (FeBC500) by pre-pyrolysis treatment affected the SBET (48.7 m2×g-1 and 259.4 m2×g-1, respectively) and pHPZC (8.7 and 3.3, respectively). In FeBC500, Fe was present as magnetite (Fe3O4) and hematite (α-Fe2O3) as confirmed by X-ray diffraction. Instead of adsorption, both BC500 and MgBC500 released phosphate at pH 3-6. Phosphate adsorption onto FeBC500 reached equilibrium within 24 h and followed pseudo-second order kinetics. The adsorption isotherm was best described with the Langmuir equation with a maximum adsorption capacity of 0.744 mg-P×g-1. The phosphate adsorption behavior was related to the pHPZC and metal content of the biochar. Conversion of elephant dung into biochar presents an environmentally friendly waste management solution that may find further applications in the adsorption of other nutrients or pollutants.
Aplicação de Vídeo com Flink, Storm e SPar em Multicores
Authors: Faé Leonardo Gibrowski , Griebler Dalvan , Manssour Isabel H.
Published: March 2022

Este trabalho apresenta comparações de desempenho entre as interfaces de programação SPar, Apache Flink e Apache Storm, no que diz respeito à execução de uma aplicação de processamento de vídeo. Os resultados revelam que as versões da SPar apresentam um desempenho superior, enquanto o Apache Storm apresentou o pior desempenho.
Towards Efficient Stream Parallelism for Embedded Devices
Authors: Hoffmann Renato B. , Griebler Dalvan , Fernandes Luiz G.
Published: March 2022

Stream processing applications process raw data-flows to reveal insightful information. Efficiently coordinating the requirements of these applications is a challenge. We propose investigating high-level software solutions for these applications to achieve efficiency and high performance for embedded devices.
Uma arquitetura escalável e segura para a execução de aprendizado federado no contexto de hospitais inteligentes
Authors: Policarpo Lucas Micol , Ceschini Lucas Mayer , Rodrigues Vinicius Facco , Righi Rodrigo da Rosa
Published: March 2022

A técnica de aprendizado federado é muito utilizada quando os dados a serem usados pelos modelos de aprendizado de máquina são sensíveis ou sigilosos. No entanto, aprendizado federado prevê o treinamento dos modelos por conta do usuário, que nem sempre está disponível para treinar o modelo ou não possui recursos computacionais eficientes. Esse trabalho apresenta uma arquitetura para execução de aprendizado federado de maneira segura e eficiente utilizando os recursos de borda em hospitais inteligentes.
Mecanismo oráculo dinâmico para predição do uso da LLC
Authors: Carmin Mariana , Moreira Francis Birck , Alves Marco Antonio Zanata
Published: March 2022

Memórias cache são responsáveis por mitigar o problema de memory wall. Entretanto, há aplicações com padrões de acessos que não se beneficiam desta hierarquia de cache, logo, é possível aplicar técnicas como bypassing e gated-Vdd. Este trabaho apresenta um mecanismo oráculo dinâmico capaz de identificar, dentre um conjunto de possibilidades, a melhor configuração quanto ao uso de bypass na LLC e executar as aplicações nesta configuração.
Comparação de desempenho do processamento paralelo de consultas de banco de dados em CPUs multi-core e GPUs
Authors: Dominico Simone , Alves Marco Antonio Zanata , Almeida Eduardo Cunha de
Published: March 2022

O processamento paralelo é uma solução para melhorar o desempenho de consultas de banco de dados, reduzindo o tempo de resposta, e aumentando a vazão no processamento de consultas. Com a evolução de hardware surgiram novas tecnologias para o paralelismo. Uma delas é o uso de GPUs (Graphics Processing Units) para processamento de propósito geral. A GPU é uma unidade de processamento massivamente paralela com um número maior de núcleos executando em uma frequência menor comparado a CPU (Central Processing Unit). Neste contexto, este artigo apresenta um estudo comparativo do processamento de uma operação de consulta na GPU e CPU.
A Graph Convolution Network Based on Improved Density Clustering for Recommendation System
Authors: Li Yue
Published: March 2022

Recommendation systems have been widely used in various applications to solve information overload andimprove user experience. Traditional recommendation algorithms mainly used Euclidean data for calculationand abandoned the graph structure features in user and item data. Aiming at the problems in the current recommendation algorithms, this paper proposes an improved user density clustering method and extracts userfeatures through optimized graph neural network. Firstly, the improved density clustering method is used toform the clustering subgraph of users based on the influence value of users. Secondly, the user data and itemdata features of cluster subgraph are extracted by graph convolution network. Finally, the features of clustersubgraphs are processed by global graph convolution network and the recommendation results are generatedaccording to the global graph features. This model not only improves the efficiency of decomposing large graphinto small graph through the improved user density clustering algorithm, but also extracts the features of usergroups through graph convolution neural network to improve the recommendation effect. The experiment alsoproves the validity of this model.
An Adaptive Fuzzy Neural Network Based On Progressive Gaussian Approximate Filter with Variable Step Size
Authors: Zhu Guorui
Published: March 2022

The nonlinear filtering problem is a hot spot in robot navigation research. As an advanced method that can effectively improve the robustness and accuracy of the system, the progressive Gaussian approximate filter with variable step size (PGAFVS) still has some shortcomings, how to resolve the nonlinear filtering problem in the application of tightly coupled integration under the premise of the prior uncertainty and further promote robustness high measurement accuracy, which becomes the purpose of this paper. This paper formulates the processing of trajectory tracking measurement noise problem as a Kalman filtering procedure and the measurement noise covariance matrix in controller, is jointly estimated based on the progressive Gaussian approximate filter (PGAF), after that, PGAFVS can be deduced. Then we proposed an adaptive fuzzy and backpropagation neural network controller based on PGAFVS (AFNPGA-VS) that can improve the application of tightly coupled integration under the premise of the prior uncertainty and further promote robustness high measurement accuracy. The simulation results show that the proposed algorithm outperforms the state-of-the-art methods.
Dual-Layer Deep Ensemble Techniques for Classifying Heart Disease
Authors: Prakash V. Jothi , Karthikeyan N. K.
Published: March 2022

The prevalence of heart disease is increasing at a rapid rate due to changes in food habits and lifestyle of peopleall over the world. Early prediction and diagnosis of this fatal disease is a highly excruciating task. Nowadays, theensemble learning approaches are preferred owing to their effectiveness in performance when compared to theperformance of a single classification algorithm. In this work, a Dual-Layer Stacking Ensemble (DLSE) techniqueand a Deep Heterogeneous Ensemble (DHE) technique to classify heart disease are proposed. The DLSE uses several heterogeneous classifiers to form an ensemble that is efficient as well as diverse. The proposed frameworkconsists of two layers with the first layer consisting of three different base learning algorithms Naïve Bayes (NB),Decision Tree (DT), and Support Vector Machine (SVM). The second layer comprises of three different classifiers, Extremely Randomized Trees (ERT), Ada Boost Classifier (ABC) and Random Forest (RF). The second layerutilizes the results from the first layer to provide a diverse input for the three classifiers. Finally, the outcomesare fed to the meta-classifier Gradient Boosted Trees (GBT) to generate the final prediction. The DHE uses threedeep learning models Convolutional Neural Networks with Bidirectional Long Short-Term Memory (CNN BiLSTM), Artificial Neural Network (ANN) and Recurrent Neural Network (RNN) with RF, ERT and GBT as themeta-learners. The performance of the proposed methods is compared with traditional state-of-the-art classifiersas well as existing ensemble learning and deep learning methods. The experimental outcomes show that the proposed DLSE and DHE methods perform exceptionally in terms of accuracy, precision and recall measures.
On Ethics Institute Activism
Authors: Burroughs Michael ,   Philosophy Documentation Center
Published: March 2022

Social injustice and calls to activism take many forms, whether in environmental, medical, legal, political, or educational realms. In this article, I consider the role of activism in ethics institute initiatives. First, as a case study, I discuss an activist initiative for police reform led, in part, by the Kegley Institute of Ethics at California State University, Bakersfield. Specifically, I outline the formation of the Bakersfield Police Department—Community Collaborative (BPD-CC), created to review regional and national police policy and training recommendations and to solicit and formalize community-sourced recommendations for policing reform and building trust and greater partnership between the BPD and community. Second, I discuss outcomes and implications of this project and consider its significance for understanding activist roles available to the community engaged ethics institute more generally. In this discussion, I explore practical dimensions and ethical implications of activist approaches in the work of an ethics institute.
Potencial de pressão antrópica na região Nordeste Paraense, Brasil
Authors: Almeida Arlete Silva , Lameira Wanja Janayna de Miranda , Pereira Jorge Gavina , Thalês Marcelo Cordeiro , Sales Gil Mendes
Published: March 2022

A intensificação da agropecuária na Amazônia ameaça a manutenção da biodiversidade, interfere na ciclagem da água e nos estoques de carbono, alterando os ciclos biogeoquímicos em escala local e regional. Recentemente, na Amazônia, políticas públicas têm sido criadas para promover o desenvolvimento sustentável, tal como observado com o Plano Nacional de Produção e uso do Biodiesel (PNPB) em 2005, e o Programa de Produção Sustentável de Óleo de Palma (PPSOP) em 2010, facilitando a entrada de alguns municípios do nordeste paraense na cadeia produtiva da palma de óleo (dendê - Elaeis guineensis Jacq.). Assim, o objetivo deste trabalho é quantificar a cobertura vegetal e o uso da terra para avaliar a qualidade ambiental do município de Mãe do Rio no Pará, para os anos de 2008 e 2016. A metodologia inclui revisão bibliográfica, análise espacial/temporal da cobertura e uso da terra e o Índice de Transformação Antrópica (ITA). Os resultados demonstram que as principais mudanças ocorridas em 2008 e 2016 são: i. o desmatamento contínuo das florestas primárias, enquanto a floresta secundária aumenta em área; ii. a expansão gradual dos dendezeiros sobre as áreas de agropecuária; iii. o aumento da área de solo exposto indica uma alta rotatividade do uso e cobertura da terra; iv. em 2008 e 2016, os índices são 7,56 e 7,64 respectivamente, considerados “potencialmente insustentáveis”, devido à continua supressão de floresta primária, degradada e campinaranas, favorecendo a perda da biodiversidade na região, condição que justifica o apoio à política da dendeicultura.
Herbivoria foliar em um bosque de mangue no Ceará, Brasil
Authors: Silva Roberto Jackson Rodrigues , Maia Rafaela Camargo
Published: March 2022

Os manguezais são ecossistemas costeiros comuns em regiões tropicais de todo mundo. As interações ecológicas são recorrentes nesses ambientes florestais, entre elas, a herbivoria. Nesse sentido, o presente estudo objetivou avaliar a herbivoria foliar em três espécies vegetais, Laguncularia racemosa, Avicennia schaueriana e Rhizophora mangle e compará-la entre as estações seca e chuvosa, em um manguezal na Praia de Arpoeiras, em Acaraú, Ceará. Inicialmente, foram selecionadas e marcadas dez árvores de cada espécie vegetal com uma distância mínima de cinco metros uma da outra. Foram coletadas aleatoriamente dez folhas de cada árvore, 100 por espécie, contabilizando 300 por coleta e um total de 1800 folhas. Foram realizadas três coletas no período seco (agosto, setembro e outubro) e mais três no período chuvoso (janeiro, fevereiro e março). Em laboratório, as folhas foram mensuradas com relação à largura, comprimento e obtido o peso delas. As folhas foram classificadas quanto à injúria de herbivoria e tiveram sua área foliar e herbivorada restituída e calculada. As injúrias mais frequentes foram: raspagem, buraco I, buraco II, mancha I, mancha II, galha e mina. Contudo, outras estiveram presentes, entretanto, com baixa representatividade. As classificações buraco I e mina estiveram com maior frequência nas folhas de Laguncularia racemosa. Em Avicennia schaueriana foi mais frequente raspagem, mancha I e galha. Já em Rhizophora mangle, ocorreu com frequência buraco II, com grande perda da superfície da folha e injúrias indefinidas. Conclui-se que os herbívoros apresentam preferência entre as espécies vegetais e algumas injúrias são mais frequentes. A salinidade do ambiente de estudo foi um fator determinante para a herbivoria, pois foi na estação chuvosa que houve os maiores valores de herbivoria foliar nas espécies de mangues.
Avaliação da qualidade de sementes de erva-mate (Ilex paraguariensis A.St.-Hil.) oriundas de diferentes plantas matrizes
Authors: Winhelmann Mara Cíntia , Vargas Leo Jaime de , Gastmann Julia , Jaeger Ana Paula , Freitas Elisete Maria de , Fior Claudimar Sidnei
Published: March 2022

Mudas de erva-mate com qualidade genética e fisiológica, altos índices de sobrevivência no plantio e resistência a estresses ambientais são necessários para a implantação e estabelecimento de ervais produtivos que irão fornecer matéria-prima de qualidade. No entanto, a produção de mudas, na maioria dos casos, é realizada a partir de sementes, as quais são coletadas de plantas matrizes com poucos critérios de seleção. Nesse sentido, o trabalho teve como objetivo investigar a qualidade das sementes de erva-mate após pré-limpeza por flutuação de diferentes plantas matrizes, por meio da obtenção de informações sobre a caracterização biométrica (medida longitudinal e transversal), teor de água, peso de mil sementes, avaliação da integridade das sementes e viabilidade por meio do teste de tetrazólio. As sementes foram coletadas de 10 plantas matrizes localizadas em três municípios da região ervateira Alto Vale do Taquari – RS, Brasil. Na avaliação da integridade foram contabilizadas a quantidade de sementes não íntegras (vazias e deterioradas) e íntegras (com e sem embrião visível). E no teste de tetrazólio foi avaliada a porcentagem de sementes viáveis e não viáveis. As sementes das diferentes plantas matrizes apresentaram diferenças estatísticas para todas as variáveis analisadas. As análises mostraram que há diferenças relacionadas à biometria e teor de água e, consequentemente, no peso de mil sementes. A erva-mate apresenta percentual variado de sementes vazias e deterioradas. A porcentagem de sementes não viáveis é alta, o que reduz significativamente a viabilidade de um lote de sementes.
Dietas artificiais para criação de Condylorrhiza vestigialis (Guenée, 1854) (Lepidoptera: Crambidae), principal praga do gênero Populus
Authors: Corrêa Flávia de Albuquerque Seródio , Sousa Nilton José , Rezende Eduardo Henrique , Corrêa Renato de Moura , Giongo Marcos , Batista Antonio Carlos
Published: March 2022

O objetivo do trabalho foi testar dietas artificiais para a criação em laboratório de Condylorrhiza vestigialis (Guenée, 1854) (Lepidoptera: Crambidae), que é considerada a principal praga de árvores do gênero Populus, no Brasil. Foram testadas três formulações de dietas artificiais com base na dieta desenvolvida por Greene, e duas alterações na dieta proposta por Hoffmann-Campo. Foram avaliados o número de larvas mortas; o número de larvas canibalizadas; a quantidade de pupas mal-formadas; o número de ínstares larvais; a quantidade de pupas inviáveis; o número de adultos mal-formados; e o número de adultos normais. Os dados obtidos foram submetidos à análise estatística ANOVA e ao teste de comparação de médias, Student-Newman-Keuls (SNK), ao nível de 5% de probabilidade de erro, sendo utilizado como delineamento estatístico, o inteiramente casualizado. Também foram avaliados parâmetros biológicos das mariposas alimentadas com cada dieta testada: período de incubação dos ovos (em dias); duração da fase larval, pré-pupa e pupa (em dias); peso das pupas fêmeas e machos com 5 dias de idade (em gramas); razão sexual. A Dieta Base 2 é a mais eficiente e viável dentre as dietas testadas para a criação de Condylorrhiza vestigialis em laboratório, pois é a que proporciona o desenvolvimento mais eficiente durante as etapas do seu ciclo de vida e a que gera maiores quantidades de adultos saudáveis e férteis, possibilitando assim o aumento do número de indivíduos e a manutenção da população.
A cultura do luxo a serviço da humanidade
Authors: Pitombo Renata
Published: March 2022

Assistimos ao longo do ano de 2020 a uma estagnação da cultura do luxo, uma vez que a produção na China e na Itália ficaram completamente comprometidas. Assim, podemos observar nesse período iniciativas interessantes e sintonizadas, de grandes marcas e conglomerados, com o momento global. Diante deste cenário, vislumbramos o quanto o mercado do luxo está enraizado na nossa cultura. De certo, ainda que o luxo esteja associado a uma inutilidade, num momento de crise planetária, esse mercado mostra como pode ser útil. Além do mais, como sabemos, o luxo está vinculado a ideia de eternidade e de sonho, vetores cada vez mais intensificados em tempos de incertezas. Para compreender os vetores de sentido acionados por este setor, sobretudo no universo da moda, e como o mesmo pode ser fundamental para a humanidade – ainda que esteja associado ao supérfluo, lançamos mão da colaboração de autores como Renato Ortiz (2019), Gilles Lipovetsky e Eliette Roux (2005) e Claudio Diniz (2012). Para tanto, destacamos três momentos reflexivos em que priorizamos: a) uma abordagem sobre o imaginário do luxo, seus valores e sua relação com os modos de vida contemporâneos; b) a democratização do que é aparentemente restritivo; e c) a proliferação do luxo no Brasil, enfatizando, sobretudo, a indissociabilidade do luxo na cultura humana.
Exposições de moda em espaços de arte: particularidades do contexto brasileiro e carioca
Authors: Cabral Hellen Alves
Published: March 2022

O objetivo deste artigo é discutir as exposições de moda em espaços de arte na cidade do Rio de Janeiro como um fenômeno cultural, inserido no contexto singular das políticas culturais no Brasil entre 1980 e 2010. No cenário internacional, esse período corresponde a uma efervescência desses eventos em renomados museus e galerias, despertando a atenção da imprensa e crítica especializada em torno da polêmica relação entre empresas de luxo e instituições artísticas. O estudo dos casos no Brasil delimita a necessidade de considerar a realidade econômica e política brasileira que atravessa o campo da cultura. Apontando, assim, para reconfigurações particulares nos diálogos entre arte e moda.
English Spoken in the Channel Islands
Authors: Elvensø Signe
Published: March 2022

The Channel Islands spoke Norman French up until the 19th century, when English began to take over as the main language of the inhabitants. Today, their local French dialects are dying out, but several features from Norman French are preserved in their English dialect for a while longer. This article examines some of the ways Channel Island English varies from Standard English, and how the dialect has been affected by Norman French by analysing five different features of the dialect: three of them phonological and two of them morphosyntactic. These features have been elected and analysed based on an interview of two native speakers of respectively Jersey English and Guernsey English, produced by BBC in 2015, as well as on findings of previous studies. Though the study, with only two speakers, is not necessarily representative, it does show that the non-standard dialect is present in the Channel Islands.
QuickSubmit-fejl i OJS 3.2
Authors: Frederiksen Niels Erik
Published: March 2022

I QuickSubmit findes et felt, hvor man skal indskrive tidspunktet for, hvornår den pågældende artikel først blev publiceret. Denne oplysning blev tidligere overført til de data, der var tilknyttet artiklens metadata i det nummer, som artiklen senere blev lagt ind under. I OJS 3.2 kommer disse oplysninger ikke med over. 

Her er hvad du skal gøre såfremt din artikel ikke publiceres for første gang i indeværende år.
Bakır İzabe Curufu Flotasyon Atığından FeS2 İlaveli Asit Kavurma, Liç ve Manyetik Ayırma ile Baz Metal ve Manyetik Ürün Eldesinin Araştırılması
Authors: UZUN KART Elif
Published: March 2022

Bakır izabe curufu flotasyon atığına (CFA) daha önce literatürde ve endüstride hiç uygulanmamış pirit ilaveli asit kavurma işlemi sonrası liç ile baz metallerin ve liç atığı manyetik ayırma ile manyetik ürünlerin kazanımı çalışılmıştır. Çalışmadaki CFA, Türkiye’nin kuzeyinde bulunan sülfürlü bakır madeninin izabesi sırasında açığa çıkan curufun %87 bakır geri kazanılan flotasyonu sonucu kalan fayalit (FeO·SiO2) faz ve bu faza nüfuz etmiş (%0,34) Cu, (%4,16) Zn ve (%0,15) Co baz metallerini içeren çözünmeyen/refrakter camsı/amorf yapıdır. Piritli ve piritsiz asit kavurma işlemlerinin optimizasyonu için sıcaklıklar değiştirilirken (350⁰C -650 °C), asit miktarı 10ml H2SO4 olarak ve kavurma süresi 1s olarak sabit tutulmuştur. Asitsiz yapılan pirit kavurmada fayalit fazının bozunmadığı, 450⁰C’de yapılan kavurma ile 500⁰C, 550⁰C ve 650⁰C sıcaklıklarda elde edilen kalsinlerin X ışını kırınımı desenlerinin benzer olduğu tespit edien CFA için 350⁰C, 400⁰C, 450⁰C sıcaklıklarda 10 ml H2SO4 ve 1:4 pirit/CFA oranında pirit ilavesi yapılarak FeS2 ilaveli asit kavurma işlemi uygulanmıştır. Optimum piritli asit kavurma sıcaklığının tespit edilmesi için liç edilen kalsinlerin liç atıklarının X ışını kırınımı desenleri incelenmiş ve ana fazların manyetit, vustit, hematit ve fayalit olduğu görülmüştür. Liç atıklarının da değerlendirilebilmesi için gerekli olan manyetik ürünlerden vustit ve manyetit fazlarının en fazla görüldüğü koşulun 400⁰C’de yapılan piritli asit kavurmada açığa çıktığı tespit edilmiştir. Manyetik ayrımı gerçekleştirilen liç atığı ile elde edilen manyetik ürünün analizi sonucunda ana fazların manyetit olduğu görülmüştür.
Macroscopic Modelling of Predicted Automated Vehicle Emissions
Authors: Obaid Mohammed , Torok Arpad
Published: March 2022

This paper studies the effect of automated vehicle implementation on transport system emission from a macroscopic point of view. The paper considers several scenarios differing in passenger car unit (PCU) and the penetration share percent of automated vehicles in the system using PTV Visum software. The study presents that automated vehicles reduce total emission by both the effect of smooth driving of each automated vehicle independently and the spread of automated vehicles in the network. Furthermore, apart from considering the effect of different PCU values and penetration levels, the developed model takes into account three different types of emissions and seven different vehicle classes.
Physical mechanism of London moment
Authors: Wu Yue , Xiao Li-Ye ,   Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China,   University of Chinese Academy of Sciences, Beijing 100049, China
Published: March 2022

The superconductor will generate a magnetic field inside the superconductor during its rotation, which is called the London moment. At present, a variety of theories including London theory and G-L theory have explained the generation mechanism of London moment. Most of these theories essentially believe that the superconducting electrons in the surface layer of the rotating superconductor lag behind and have a net residual current. The London moment is produced by the net residual current on the surface of the rotating superconductor. However, there is still no clear theoretical explanation for the motion lag of the outermost superconducting electrons in rotating superconductors. In this paper the charged particles in the rotating system and the Berry phase of the superconductor in the rotating superconductor are analyzed. The results show that the Berry curvature of the superconductor has the same expression form as the London moment, indicating that the London moment may be the inverse effect of A-B effect, which is a macroscopic quantum effect based on Berry phase.
Conductance peaks of bulk states and edge states
Authors: Xia Qun , Deng Wen-Ji ,   School of Physics and Optoelectronics, South China University of Technology, Guangzhou 510641, China
Published: March 2022

The electronic eigen-energy and the Landauer conductance of the finite Su-Schriefer-Heeger (SSH) lattice are calculated carefully, and the different effects of the lead-sample coupling strength on the conductance peaks of the bulk states and edge states are investigated. Only under the weak coupling limit, can the conductance peaks demonstrate the eigen-energy of all bulk states and edge states. With the increase of coupling strength, all the conductance peaks gradually deviate from their corresponding eigen-energy values and become wider, and the conductance peaks of the edge states will gradually disappear. In particular, after the coupling strength continues to increase to a large enough value, the conductance peaks gradually narrow again, but two of the peaks disappear, and the survival peaks will correspond to the eigen-energy of the remaining lattice system that does not contain the two atoms at both ends under the strong coupling limit. Therefore, the different responses of the conductance peaks to the varying coupling strength can be used to distinguish edge state from bulk states, and judge whether a system has any edge states.
Failure mechanism of double-trench (DT) 4H-SiC power MOSFET under unclamped inductive switch test
Authors: Guo Jian-Fei , Li Hao , Wang Zi-Ming , Zhong Ming-Hao , Chang Shuai-Jun , Ou Shu-Ji , Ma Hai-Lun , Liu Li ,   Guangzhou Institute of Technology, Xidian University, Guangzhou 510555, China,   School of Microelectronics, Xidian University; The National Key Discipline Laboratory of Wide Band-gap Semiconductor, Xi’an 710071, China
Published: March 2022

In this paper, failure mechanism of DT 4H-SiC power MOSFET under unclamped inductive switch (UIS) test is evaluated by combination of experiment and theoretical research. The results show that unlike planar 4H-SiC power MOSFET, the gate oxide at the corner of of gate trench is destroyed under the UIS test, therefore, the device under test failed. And then, measurement results of the gate leakage and resistance between gate and source (Rgs) of the failed device indicate that gate leakage increases sharply and Rgs is only 25 Ω, however, the threshold voltage of failure device is unchanged. The analysis of the inner electrical field under avalanche state by using the TCAD software shows that the maximum electrical field exists at the corner of gate trench and the maximum junction temperature does not exceed the melt point of metal. These results are consistent with the experimental results .
Work without Jobs
Authors: Jesuthasan Ravin , Boudreau John W.
Published: March 2022

In this Wall Street Journal bestseller, why the future of work requires the deconstruction of jobs and the reconstruction of work.

Work is traditionally understood as a “job,” and workers as “jobholders.” Jobs are structured by titles, hierarchies, and qualifications. In Work without Jobs, a Wall Street Journal bestseller, Ravin Jesuthasan and John Boudreau propose a radically new way of looking at work. They describe a new “work operating system” that deconstructs jobs into their component parts and reconstructs these components into more optimal combinations that reflect the skills and abilities of individual workers. In a new normal of rapidly accelerating automation, demands for organizational agility, efforts to increase diversity, and the emergence of alternative work arrangements, the old system based on jobs and jobholders is cumbersome and ungainly. Jesuthasan and Boudreau's new system lays out a roadmap for the future of work.

Work without Jobs presents real-world cases that show how leading organizations are embracing work deconstruction and reinvention. For example, when a robot, chatbot, or artificial intelligence takes over parts of a job while a human worker continues to do other parts, what is the “job”? DHL found some answers when it deployed social robotics at its distribution centers. Meanwhile, the biotechnology company Genentech deconstructed jobs to increase flexibility, worker engagement, and retention. Other organizations achieved agility with internal talent marketplaces, worker exchanges, freelancers, crowdsourcing, and partnerships. It's time for organizations to reboot their work operating system, and Work without Jobs offers an essential guide for doing so.
Comprehensive analysis of the correlations of S100B with hypoxia response and immune infiltration in hepatocellular carcinoma
Authors: Yan Jia , Huang Ya jun , Huang Qing yu , Liu Peng Xia , Wang Chang Shan
Published: March 2022

S100B has been found to be dysregulated in many cancers including hepatocellular carcinoma (HCC). However, the functions of S100B and its underlying mechanisms in HCC remain poorly understood, especially in the tumor microenvironment. In this study, functions enrichment analysis indicated that S100B expression was correlated with hypoxia and immune responses. We found that hypoxia could induce S100B expression in an HIF-1α-dependent manner in HepG2 cells. Luciferase reporter and ChIP-qRCR assays demonstrated that HIF-1α regulates S100B transcription by directly binding to hypoxia-response elements (HREs) of the S100B promoter. Functionally, knockdown of S100B reduces hypoxia-induced HepG2 cell invasion and migration. Furthermore, GSVA enrichment results displayed that S100B and its co-expressed genes were positively correlated with EMT pathway in HCC. Additionally, GO/KEGG cluster analysis results indicated that co-expressed genes of S100B were involved in biological processes of immune response and multiple tumor immune-related signaling pathways in HCC. S100B expression was positively correlated with multiple immune cells tumor infiltration and associated with chemokines/chemokine receptors and immune checkpoint genes. Moreover, S100B is predominantly expressed in immune cells, especially NK (Natural Killer) cell. In addition, the hub genes of S100B co-expression and hypoxia response in HepG2 cell were also associated with immune cells infiltration in HCC. Taken together, these findings provide a new insight into the complex networks between hypoxia response and immune cells infiltration in tumor microenvironment of liver cancer. S100B maybe serve as a novel target for future HCC therapies.
Utilization and Standardization of Fermented Maize Waste Liquor as a Coagulant for Tofu Production and Its Effect on Tofu Quality
Authors: Mercy A. H. China, , Gift Amukeru Amadi,
Published: March 2022

Coagulation of soymilk is the most important step in the production of tofu. Industrially, CaCl2, CaSO4, MgSO4 and MgCl2 are many of the different types of coagulants. Effluent from pap produced from maize is a local coagulant used; however, this has not been standardized. This study therefore aimed at standardizing fermented maize waste liquor (FMWL) as a local coagulant for tofu production. FMWL at ratios of 600 ml, 550 ml, 500 ml, 450 ml to 1000 ml soybean milk was used to prepare tofu and compared with tofu coagulated with lemon juice. The result revealed that the tofu coagulated with 550 ml of FMWL exhibited higher fat (47.78%) while tofu coagulated with 600 mls of FMWL had significantly (p<0.05) higher protein (31.75%). On the other hand, sample coagulated with 500 mls FMWL had significantly (p<0.05) higher crude fibre content. Soymilk coagulated with 400ml of FMWL exhibited significantly (p<0.05) higher contents of magnesium (75.42 mg/100g) and calcium (46.32 mg/100g) and iron (15.85 mg/100g) while the sample coagulated with lemon juice (control) had higher potassium content (201.17 mg/100g) The sensory evaluation result revealed that the control sample was highly acceptable to the panelists and this was followed closely with the sample coagulated with 550mls of FMWL. Hence, FMWL when utilized at a level of 550 mls will yield soybean curd that is acceptable and comparable to soybean curd coagulated with lemon juice. The use of FMWL will serve as an alternative, cheap and natural coagulant for soybean curd preparation at household and commercial levels.