bluuebunny/crossref_metadata_2025 huggingface dataset:
Proposal of the risk assessment model of vehicle construction systems' safety under the conditions of Industry 4.0
Authors: Hlatká Martina , Stopka Ondrej , Kolařík Petr
Published: March 2024

With the introduction of the concept of the industry 4.0, automation, robotics, artificial intelligence, communication methods, automotive engineering, mechanics, construction and operation of automotive vehicles, and so on, as well as the methods of corporate management are changing. Following this concept, new risks emerge, when workers have to cooperate with collaborative robots, autonomous systems, artificial intelligence, machine learning and learn new methods different from previous processes and systems. The paper first presents the theoretical background related to the topic addressed. The next sections encompass the literature review, including a list of references relevant to achieving the main objective of the paper, as well as a description of the research methods used in the paper. With regard to the main objective, quantitative research concerning the vehicle construction systems' safety issues in industry 4.0 was conducted; i.e., a questionnaire survey was developed within a sufficiently representative sample of respondents. After conducting the survey, the risk assessment model of vehicle construction systems' safety under the conditions of Industry 4.0 was proposed while applying the principles of system dynamics. An integral part of the paper is represented by the discussion of the obtained results and benefits, as well as the formulation of relevant conclusions.
Experimental investigations on the performance and emissions of compression ignition engine fuelled with lower blends of neem-based biodiesel
Authors: DHANDE DINESH Y , Navale Shirish J
Published: March 2024

Biodiesel has attracted a lot of attention as a possible replacement for traditional fuels due to the limited supply of fossil fuels and the growing concern about emissions of greenhouse gases. It is renewable and produces less hazardous emissions when burned. Enhancing biodiesel production is imperative to meet the escalating demand for eco-friendly fuels, serving as a remedy for the rising costs and dwindling accessibility of petroleum. This study aims in boosting neem biodiesel production specially in dry and unproductive soil regions and improving engine power using neem oil biodiesel, especially using lower blends. This study is in line with the initiatives that promote sustainable energy growth by gradually increase biodiesel blending from 15% to 30% in the near future. This research delves into the manufacturing of biodiesel from neem seeds and impact of its blends on the efficiency and emissions of compression ignition engines when combined with regular fuel. The biodiesel was produced using the transesterification method.Three distinct blends, B10, B15, and B20, were prepared by blending neem biodiesel with regular diesel. When testing engine performance, these mixtures were compared against pure diesel fuel. The specific fuel consumption and brake thermal efficiency of all blend combinations improved with increasing load. In comparison to pure diesel, there were also decreased percentages of hydrocarbons (HC), carbon monoxide (CO), and smoke opacity. There was an increase in nitrogen oxides with increasing load for all mixes as compared to pure diesel. The research results highlight neem biodiesel as a practical and efficient alternative to conventional diesel fuel due to its ability to enhance engine efficiency and lowering emissions.
The Portrayal of the COVID-19 Pandemic in the Media
Authors: Bryła Władysława , Bryła-Cruz Agnieszka
Published: March 2024

The aim of the paper is to present and discuss the portrayal of the COVID-19 pandemic in the media. Our primary focus is on Polish press articles, supplemented by occasional references to international sources. The analysis reveals that, much like in previous pandemics, the media narrative around COVID-19 is heavily metaphorical, aiming to simplify the understanding of this unfamiliar event. The most common metaphors involve war and battle, which have sparked controversy and significant criticism for their militaristic connotations. Our paper also examines alternative representations of the pandemic, such as natural disasters (with the fire metaphor being particularly apt), sports (including football, mountain climbing, and marathons), and other innovative comparisons (comparing the pandemic to an animal, driving a car, etc.).
Polityka przeciwdziałania ubóstwu energetycznemu UE w latach 2019-2023
Authors: Mering Tomasz
Published: March 2024

Celem artykułu jest analiza mechanizmów i instrumentów mających ograniczać skutki społeczne związane z polityką klimatyczną, wdrażanych zarówno na poziomie Unii Europejskiej, jak i narodowym. Rozważania uwzględniają dwie perspektywy czasowe, tj. krótkookresową, wyznaczoną poprzez ostatni kryzys energetyczny oraz średniookresową, a więc zgodną z harmonogramem działań określonych w europejskim prawie o klimacie. W materiale wskazano na główne problemy związane z horyzontalną koordynacją polityk: społecznej oraz ochrony środowiska naturalnego na poziomie UE, a także zidentyfikowano podstawowe wyzwania wertykalne wynikające z konieczności współpracy pomiędzy instytucjami unijnymi a państwami narodowymi. W artykule wykazano również na istnienie sprzeczności pomiędzy priorytetami „zielonej agendy”, a krótkoterminowymi działaniami podejmowanymi w celu ograniczenia wzrostu cen energii oraz zmniejszenia zależności surowcowej od Rosji. W dalszej części artykułu poddano analizie instrumenty finansowe, wskazując na ich możliwości i ograniczenia związane z przeciwdziałaniem ubóstwu energetycznemu.
Migracje z Ukrainy do państw członkowskich UE w latach 2014–2023
Authors: Łaźniewska Ewa , Trojszczak Dariusz , Prytula Khrystyna
Published: March 2024

Problematyka migracji staje się bardzo istotnym wyzwaniem, z którą mierzą się kraje o różnym rozwoju społeczno-gospodarczym. Stopień w jakim sobie radzą z tym problemem zależy od wielu czynników. Rozważania w artykule koncentrują się na trzech jej przekrojach: migracji z Ukrainy po 2014, migracji uchodźców wojennych oraz migracji z Ukrainy w wymiarze przestrzennym związanym z pograniczem polsko-ukraińskim. Praca powstała na podstawie studiów literaturowych i analizy danych statystycznych. Hipoteza pracy opiera się na stwierdzeniu, szczególnej roli otoczenia instytucjonalnego, makroekonomicznych czynników jako kryteriów warunkujących migrację z Ukrainy w analizowanym okresie. Głównymi celami zaprezentowanej analizy są ukazanie skali zjawiska w różnych okresach i przekrojach regionalnych oraz różnic w skali atrakcyjności regionów i stopnia przygotowania rynku pracy do absorbcji siły roboczej w przekroju Unii Europejskiej. Zaprezentowane analizy są zrealizowane w ramach projektu Challenges for the labour market in counties in the Polish-Ukrainian borderland with regard to the influx of war refugees from Ukraine. Assessment of the situation, conclusions for Polish regions, entrepreneurs, and county labour offices.
Agresja Rosji na Ukrainę i perspektywy jej akcesji do struktur euroatlantyckich
Authors: Fiszer Józef M.
Published: March 2024

Jak pokazuje tytuł, celem artykułu jest agresja Rosji na Ukrainę w dniu 24 lutego 2022 roku oraz analiza jej przyczyn oraz ukazanie perspektyw dla członkostwa Ukrainy w strukturach euroatlantyckich, czyli w Unii Europejskiej i NATO. Niewypowiedziana wojna Rosji z Ukrainą trwa de facto od 2014 roku, czyli od bezprawnego przyłączenia (aneksji) Półwyspu Krymskiego do Federacji Rosyjskiej. Od tego momentu, a faktycznie już od 2008 roku, tzn. od agresji Rosji na Gruzję, Zachód na czele z USA obiecuje Ukrainie członkostwo w NATO i Unii Europejskiej, ale do dnia dzisiejszego nie rozpoczęto formalnych negocjacji w tym celu. Autor w artykule tym próbuje odpowiedzieć na pytania, dlaczego tak się dzieje i czy agresja Rosji na Ukrainę stanie się akceleratorem jej członkostwa w strukturach euroatlantyckich? Tezą główną jest tutaj konstatacja, że agresja Rosji na Ukrainę tylko w ograniczonym stopniu wpłynie na proces jej akcesji do NATO i Unii Europejskiej. Natomiast proces ten z pewnością przyspieszy dopiero zakończenie wojny, zwłaszcza zwycięstwo Ukrainy i klęska Rosji.
Limb, sex, but not acute dietary capsaicin, modulate the near‐infrared spectroscopy‐vascular occlusion test estimate of muscle metabolism
Authors: Greaves Lauren M. , Zaleski Kendall S. , Matias Alexs A. , Gyampo Abena O. , Giuriato Gaia , Lynch Meaghan , Lora Brian , Tomasi Tawn , Basso Emma , Finegan Emma , Schickler Jack , Venturelli Massimo , DeBlauw Justin A. , Shostak Elena , Blum Oliver E. , Ives Stephen J.
Published: March 2024

The downward slope during the near‐infrared spectroscopy (NIRS)‐vascular occlusion test (NIRS‐VOT) is purported as a simplified estimate of metabolism. Whether or not the NIRS‐VOT exhibits sex‐ or limb‐specificity or may be acutely altered remains to be elucidated. Thus, we investigated if there is limb‐ or sex specificity in tissue desaturation rates (DeO2) during a NIRS‐VOT, and if acute dietary capsaicin may alter this estimate of muscle metabolism. Young healthy men (n = 25, 21 ± 4 years) and women (n = 20, 20 ± 1 years) ingested either placebo or capsaicin, in a counterbalanced, single‐blind, crossover design after which a simplified NIRS‐VOT was conducted to determine the DeO2(%/s), as an estimate of oxidative muscle metabolism, in both the forearm (flexors) and thigh (vastus lateralis). There was a significant limb effect with the quadriceps having a greater DeO2than the forearm (−2.31 ± 1.34 vs. −1.78 ± 1.22%/s,p = 0.007,ηp2 = 0.19). There was a significant effect of sex on DeO2(p = 0.005,ηp2 = 0.203) with men exhibiting a lesser DeO2than women (−1.73 ± 1.03 vs. −2.36 ± 1.32%/s, respectively). This manifested in significant interactions of limb*capsaicin (p = 0.001,ηp2 = 0.26) as well as limb*capsaicin*sex on DeO2(p = 0.013,ηp2 = 0.16) being observed. Capsaicin does not clearly alter O2‐dependent muscle metabolism, but there was apparent limb and sex specificity, interacting with capsaicin in this NIRS‐derived assessment.
The difference in endothelium‐dependent relaxation components in proximal and distal thoracic aorta regions of male rats
Authors: Mezhenskyi O. R. , Philyppov I. B.
Published: March 2024

Aorta, the largest vessel in the body, is generally considered anatomically homogeneous, yet spatial functional differences exist. In our study, we conducted a comprehensive analysis by reexamining public RNA‐SEQ data, comparing expression patterns between thoracic and abdominal aorta. Additionally, we measured acetylcholine‐induced relaxations of the different regions of thoracic aorta in Wistar Rats. Our results revealed a distinct percentage difference in acetylcholine‐induced relaxation in the proximal and distal segments of the thoracic aorta (p = 1.14e‐4). To explain this variation, we performed differential expression analysis of previously published RNA‐sequencing data between thoracic and abdominal aorta, which showed 497 differentially expressed genes between these locations. From results of RNA‐Seq analysis, we draw a hypothesis that differential expressions of the potassium inward rectifying channels (KIR) and voltage gated calcium channels (VGCC) presumably located on SMC, with higher expression in the distal thoracic segments in comparison with the proximal thoracic segments of aorta, can explain differences in acetylcholine‐induced relaxation. Notably, specific blockade of KIR eliminated differences between the proximal and distal regions of thoracic aorta, underscoring their significance in understanding the spatial nuances in aortic behavior, also blockade of VGCC, shows a higher effect on basal tone, in distal region of thoracic aorta in comparison with proximal.
Current state of research on copper complexes in the treatment of breast cancer
Authors: Hu Kui , Guo Jingna , Zeng Jiemin , Shao Yunhao , Wu Binhua , Mo Jian , Mo Guixi
Published: March 2024

Breast cancer, a malignancy originating from the epithelium or ductal epithelium of the breast, is not only highly prevalent in women but is also the leading cause of cancer-related deaths in women worldwide. Research has indicated that breast cancer incidence is increasing in younger women, prompting significant interest from scientists actively researching breast cancer treatment. Copper is highly accumulated in breast cancer cells, leading to the development of copper complexes that cause immunogenic cell death, apoptosis, oxidative stress, redox-mediated cell death, and autophagy by regulating the expression of key cell death proteins or assisting in the onset of cell death. However, they have not yet been applied to clinical therapy due to their solubility in physiological buffers and their different and unpredictable mechanisms of action. Herein, we review existing relevant studies, summarize the detailed mechanisms by which they exert anti-breast cancer effects, and propose a potential mechanism by which copper complexes may exert antitumor effects by causing copper death in breast cancer cells. Since copper death in breast cancer is closely related to prognosis and immune infiltration, further copper complex research may provide an opportunity to mitigate the high incidence and mortality rates associated with breast cancer.
A new operational matrix method to solve nonlinear fractional differential equations
Authors: Hedayati Maryamsadat , Ezzati Reza
Published: March 2024

This study aims to propose novel Zernike wavelets and a new method based on the operational matrices for solving nonlinear fractional differential equations. First, non-orthogonal Zernike wavelets are introduced using the Zernike polynomials. Then, a new technique based on combining these wavelets with the block pulse functions is presented to derive the operational matrix of fractional integration and to solve nonlinear fractional differential equations. Moreover, an error analysis is conducted by providing required theorems. Besides, the proposed method is employed to solve a nonlinear fractional competition model of breast cancer. Finally, a parametric study is performed to consider the effect of fractional order on the population of healthy, cancer stem, tumour, and immune cells, as well as the excess estrogen.
New solutions for the generalized q-deformed wave equation with q-translation symmetry
Authors: Shehata Ahmed S. , Raslan Kamal R. , Ali Khalid K.
Published: March 2024

In this work, we explore the generalized discrete wave equation, which utilizes a specific irregular space interval. The introduction of this irregular space interval is motivated by its connection to the q-addition, a mathematical operation that arises in the nonextensive entropy theory. By taking the continuous limit, we obtain the wave equation with q-deformation, which captures the effects of the q-addition. To solve the generalized q-deformed wave equation, we investigate three different methods: the separation method, the reduced differential transform method, and the finite difference method. These methods offer distinct approaches for finding solutions to the equation. By comparing the results obtained from each method, we can evaluate their effectiveness and identify their respective strengths and limitations in solving the generalized q-deformed wave equation. The solutions obtained from this newly defined equation have potential applications in modeling physical systems with violated symmetries. The inclusion of the q-deformation allows for a more comprehensive description of such systems, which may exhibit nonextensive behavior or possess irregularities in their spatial intervals. By incorporating these features into the wave equation, we can improve our understanding and modeling capabilities of complex physical phenomena.
Iota carrageenan linked barium ion nanoparticle synthesis for the selective targeted imaging and inhibition of cancer cells
Authors: Shukla Aman , Kumar Sachin , Bhatt Akanksha , Purohit Priyank , Kailkhura Shashank , Abdellattif Magda H.
Published: March 2024

The development of stable carrageenan nanoparticles connected to the sulfate functional group of carrageenan and barium ion for the use of selectively targeting cancer cell and imaging contrast to help with diagnosis (tracing/imaging) is the concern of the present research. This study provides an overview of ion substitution chemistry, highlighting the role of ions and how they affect the applicability of carrageenan. The characteristic of barium sulfate, which is widely used as radiopaque to provide contrast for diagnostic radiographic examinations in the gastrointestinal mucosa, is provided by its linkage with the barium ion despite K+’s natural binding with carrageenan. The additional role of the Ba ion linked carrageenan was found highly selective for cancer cell through the in vitro cell line assay; however, the nonattachability to the normal cell makes useful to trace and treat the cancer cell. The tracing is possible because of the barium sulfate functional group and its nanosize molecule, which shows precision medicine, fluorescence, and X-ray/CT imaging character, to be utilized as the diagnostic purpose, especially to tumor cell. The apoptosis from the Ba2+ ion by the inhibition of outflux of K+ to disturb the osmosis of cell and selectivity of the molecules because of high pKa (Logarithms of acid dissociation constant) value, which makes the drug more active anionic (nonpolar) form in the cancer cell and ionic form (polar) in the normal cell, which avoids the interaction with normal cell and facilitate the interaction with cancer cell. In conclusion, the cancer cell selectivity with fluorescence and radiopaque properties of Ba ion linked carrageenan makes the molecule useful for tracing, imaging, and treating cancer cell with high selectivity.
Separation of ReO4
−/TcO4
− from simulated radioactive waste liquid by a novel series of anion exchange resins
Authors: Huang Yiwei , Chen Xinlong , Shen Yinglin , Li Xiaomin , Zhi Xupeng , Liu Peng , Liu Meiying , Liu Bin
Published: March 2024

Selective removal of 99TcO₄− from radioactive wastewater is a challenging but significant task, which benefits spent fuel reprocessing and radioactive-waste leakage treatment. This work introduces the performance of adsorption ReO4
− using a series of novel anion exchange resins, namely MAPE-1, MAPE-2, MAPE-3, and MAGD-1, impregnated with functionalized ionic liquids as active sites. They exhibit a high selectivity towards TcO₄−/ReO₄−, in a wide pH range of pH 5–11 for ReO₄−/TcO₄− adsorption. Among these resins, MAPE-1 has the best adsorption performance for ReO4
−, with a maximum adsorption capacity of 202.4 mg/g and a high distribution ratio K

d
of 6.2 × 10⁶ mL/g at pH 7. The adsorption mechanism involves anion exchange between functionalized ionic liquids and TcO₄−/ReO₄−, which is supported by X-ray energy dispersive spectroscopy (EDS) and Fourier Transform Infrared spectroscopy (FT-IR) analyses. In addition, X-ray photoelectron spectroscopy (XPS) further illustrates the interaction between the resin and perrhenate.
SÉRIE FONTES
Authors: Silva Nicholas Cardoso Gomes da
Published: March 2024

Com o objetivo de identificar e mostrar a análise do conteúdo dos livros da Série Fontes, vislumbrando conhecer até que ponto seus textos contêm ideologias, principalmente as dos movimentos higienistas e eugênicos do início do século XX, foram analisados os Quatro Livros de Leitura e a Cartilha da Série escrita por Henrique da Silva Fontes e utilizada oficialmente em escolas públicas primárias catarinenses (1920-1950). Por meio do Materialismo Histórico-Dialético, constatou-se que os textos da coleção coadunam com os discursos das ideologias: eugenia e higienismo do período e contribuíram para a difusão desses pensamentos ideológicos dominantes e, consequentemente, para a perpetuação da estrutura de classes e da hegemonia do capital.
SENTIDOS DA NÃO-BINARIEDADE
Authors: Fiorini Maria Eduarda , Alves de Oliveira Esmael
Published: March 2024

O presente artigo apresenta os resultados da pesquisa de iniciação científica realizada pela primeira autora, orientada pelo segundo autor junto à Universidade Federal XXXXXX e intitulada “Sentidos da não binaridade nas redes sociais”. O objetivo foi o de compreender os sentidos da não-binariedade entre pessoas e/ou ativistas que se assumem “não binários” a partir das plataformas digitais. Nesse percurso, sustentados na metodologia qualitativa e nos estudos do cotidiano, ao percorrer indícios, pistas e sinais presentes em tais plataformas, constatou-se a importância das micropolíticas de visibilidade e reconhecimento das minorias sexuais e de gênero.
EDUCACIÓN PARA LAS RELACIONES ÉTNICO-RACIALES EN CLAVE POPULAR
Authors: Pons Giralt Maikel , González Peña María Victoria , Fraga Vieira Lívia Maria , Pilliner López Yoelxy
Published: March 2024

Este artículo tiene como objetivo explicar la implementación de una propuesta de Educación para las Relaciones Étnico-Raciales, construida en el contexto cubano en el año 2019, a partir de una visión político-pedagógica de Educación Popular. El método utilizado fue de tipo cualitativo, utilizando como técnicas el grupo de discusión, la investigación-acción-participativa, el análisis de contenido y la revisión bibliográfica. La propuesta objeto de investigación constituye la primera experiencia cubana en construir de forma dialógica y participativa una aproximación teórico-práctica de Educación para las Relaciones Étnico-Raciales en el horizonte metodológico de la Educación Popular.
MODOS DE DIZER E DEIXAR VER
Authors: Roseiro Steferson , Rodrigues Alexsandro , Almeida Ladeira Dante , Thiaghor Lippaus Pires Gonçalves Nahun
Published: March 2024

Esse ensaio tem o objetivo de questionar os modos como o corpo produz suas relações entre gênero e sexualidade a partir do artefato cultural cinematográfico Steven Universo (2013) em suas fusões corpóreas. Assim, a fim de se dedicar às categorias gênero, sexualidade e criança, o ensaio recorrerá aos estudos pós-estruturalistas, feministas, queer e trans para pensar o cinema animado. Trabalha com a hipótese que as animações, tendo o que dizer e deixando ver, podem potencializar a criação de condições para sustentar uma vida em dissidência desde onde ela se encontra. Por fim, a fusão é sempre um risco porque ela é um encontro, uma passagem de um corpo individualizado a um corpo ciborgue, um corpo multiplicidade..
NÓS
Authors: Tavares dos Santos Luciane , Caetano Marcio , Pereira José Valter
Published: March 2024

O estudo problematiza modos como jovens negras/os de favelas cariocas constroem táticas de reconhecimentoexistência em uma lógica que é produtiva de inexistência por meio de espaços educativos, balizado teoricamente por Frantz Fanon, Lélia Gonzalez, Aquille Mbembe, Neusa Souza, Lia Schucman, Judith Butler e tendo a conversa como método, incluindo narrativas e observações. Os resultados revelam que ocupam/fazem usos desses espaços em busca de reconhecimentoexistência por meio da ascensão na sociedade de classes, mas que isso não significa necessariamente desalienação socioeconômica ou da condição de negrura.
Multisensory Integration Underlies the Distinct Representation of Odor–Taste Mixtures in the Gustatory Cortex of Behaving Rats
Authors: Stocke Sanaya , Samuelsen Chad L.
Published: March 2024

The perception of food relies on the integration of olfactory and gustatory signals originating from the mouth. This multisensory process generates robust associations between odors and tastes, significantly influencing the perceptual judgment of flavors. However, the specific neural substrates underlying this integrative process remain unclear. Previous electrophysiological studies identified the gustatory cortex as a site of convergent olfactory and gustatory signals, but whether neurons represent multimodal odor–taste mixtures as distinct from their unimodal odor and taste components is unknown. To investigate this, we recorded single-unit activity in the gustatory cortex of behaving female rats during the intraoral delivery of individual odors, individual tastes, and odor–taste mixtures. Our results demonstrate that chemoselective neurons in the gustatory cortex are broadly responsive to intraoral chemosensory stimuli, exhibiting time-varying multiphasic changes in activity. In a subset of these chemoselective neurons, odor–taste mixtures elicit nonlinear cross-modal responses that distinguish them from their olfactory and gustatory components. These findings provide novel insights into multimodal chemosensory processing by the gustatory cortex, highlighting the distinct representation of unimodal and multimodal intraoral chemosensory signals. Overall, our findings suggest that olfactory and gustatory signals interact nonlinearly in the gustatory cortex to enhance the identity coding of both unimodal and multimodal chemosensory stimuli.
Perfil da violência sexual contra mulheres no Distrito Federal
Authors: Gomes Ana Paula , Hortêncio Garcia Ana Carolina , Beraldi Martins Cristofer Diego , Honorato Sobreira Cyntia Gioconda , Alves de Morais Diógenes , Queiroz Paulo Roberto Martins Queiroz
Published: March 2024

A violência sexual é um dos mais degradantes tipos de violação dos direitos humanos, o qual expõe a vítima a consequências bastante severas. Em 2009, a Lei 12.015/09 trouxe uma mudança em relação aos crimes sexuais. O título “Dos Crimes Contra os Costumes”, passou a chamar-se “Dos Crimes Contra a Dignidade Sexual”. O objetivo deste estudo foi traçar o perfil da violência sexual em mulheres no Distrito Federal entre os anos de 2015 a 2017. Foi realizada um estudo retrospectivo, com abordagem quantitativa, utilizando os laudos do SICOLA (Sistema de Controle de Laudos) do Instituto de Medicina Legal do Distrito Federal. No total, foram analisados 3392 laudos de violência sexual contra a mulher. Após a análise dos dados, verificou-se que Ceilândia foi a cidade que apresentou o maior número de casos, seguida de Samambaia e Planaltina. Na prevalência da violência sexual, Cidade Estrutural aparece em primeiro lugar (média de 13,43 a cada 10.000 mulheres), seguido do Varjão, com média de 13,36 a cada 10.000 mulheres. Conclui-se que esse tipo de estudo se faz necessário para a elaboração de estratégias que visem melhorar a Segurança Pública local, bem como ampliar a quantidade de políticas públicas voltadas para a proteção e bem-estar das mulheres do Distrito Federal.
Aplicabilidade e eficiência de testes de diatomáceas em incidentes de afogamento: uma revisão da literatura
Authors: Leão Marcelo , De Andrade Hartwig Carla
Published: March 2024

O estudo abordou a aplicação do teste de diatomáceas na determinação forense de ocorrências de afogamento. O objetivo foi avaliar sua eficácia e comparar métodos de extração, com base em publicações científicas relacionadas. Foram discutidos três métodos: extração ácida, Microscopia Eletrônica de Varredura Automatizada - Digestão por Micro-ondas - Filtração a Vácuo (MD-VF-Auto MEV) e Reação em Cadeia da Polimerase (PCR). A extração ácida se destacou pela simplicidade e baixo custo (72% de taxa de uso entre as publicações científicas selecionadas neste estudo), enquanto o MD-VF-Auto MEV mostrou-se eficiente, porém mais complexo e de maior custo, e a PCR foi eficaz, com destaque para locais com poucas diatomáceas. A presença de diatomáceas em pulmões e órgãos distantes indicou afogamento, sendo correlacionada à ocorrência de ruptura alvéolo-capilar. Diatomáceas menores atravessam mais facilmente essa barreira. Os testes apresentaram alta eficácia em casos típicos de afogamento, variando, no entanto, em imersões post mortem e locais com poucas diatomáceas. A seleção criteriosa do método de extração, a prevenção da contaminação e a consideração das circunstâncias do afogamento foram enfatizadas para análises com maior exatidão. O estudo destaca a relevância do teste como abordagem confiável na análise forense de casos de afogamento.
Modernizando o gerenciamento de vestígios forenses: aplicação de RFID nas centrais de custódia
Authors: De Marillac do Nascimento de Matos Tycianne , Grochocki Luiz Rodrigo
Published: March 2024

Este artigo aborda a adoção da identificação por radiofrequência (RFID) na gestão de vestígios forenses nas centrais de custódia dos órgãos periciais como alternativa eficiente de controle de estoque. O RFID é indicado pois permite o rastreamento de materiais sem necessidade de leitura física, economizando tempo e custos. A lei brasileira 13.964/2019, que alterou o Código de Processo Penal, tornou obrigatória a existência de centrais destinadas à guarda e controle dos vestígios, com sua gestão vinculada ao órgão central de perícia oficial de natureza criminal. Em consequência disso, é necessário utilizar métodos seguros, eficientes e viáveis para controle desses materiais armazenados. De acordo com a literatura, o inventário físico é o método mais eficaz para o controle de estoque, entretanto, sua realização manual é demorada e custosa, especialmente para grandes volumes, e a automatização desse processo se torna uma oportunidade de contornar esse problema. Então, foi analisado o histórico da aplicação dessa tecnologia e seu estado da arte, concluindo-se que o RFID oferece uma solução promissora para a gestão de estoque, proporcionando melhorias substanciais na precisão e eficiência do processo de custódia de vestígios de crimes.
Kajian Fog menggunakan Data Observasi, Penginderaan Jauh dan Model Cuaca Numerik di Kotawaringin Barat (Studi kasus: 19 Februari dan 08 April 2020)
Authors: Putri Deffi Munadiyat , Koten Mario Charlos Rohi
Published: March 2024

Fog merupakan fenomena yang memengaruhi aktivitas manusia. Proses pembentukan dan reaksi fog sangat kompleks serta prediksinya sulit karena limitasi dari stasiun meteorologi konvensional. Penelitian ini bertujuan untuk memahami mekanisme yang terjadi pada siklus hidup fog menggunakan pendekatan analisis kondisi permukaan, profil udara atas serta model cuaca numerik terhadap dua kasus fog yang terjadi di Kotawaringin Barat. Distribusi spasial menggunakan komposit kanal Red Green Blue (RGB) menunjukan bentangan yang luas berwarna biru muda yang mengindikasikan bahwa fog terbentuk pada kondisi atmosfer yang hangat. Kondisi kelembaban yang tinggi saat fog bertahan dari lapisan bawah hingga lapisan menengah dengan ketinggian inversi berada di ketinggian sekitar 200 m. Kasus fog terbentuk pada nilai Fog Stability Index (FSI) 31 dengan potensi pembentukan fog yang tinggi, akan tetapi pada kasus pertama sebelum fog nilai FSI menunjukan potensi yang rendah. Sedangkan nilai Liquid Water Content (LWC) dan Downward Longwave Flux (L↓) menunjukan kenaikan yang terjadi pada waktu yang sama.
Profil dan Karakteristik Mineral Nikel Laterit di Daerah Angkasapura, Kota Jayapura, Papua, Indonesia
Authors: Haryati Endang , Dahlan Khaeriah , Mantiri Steven Yohanes Yulianus , Singir Beatrix
Published: March 2024

Bijih Nikel merupakan bahan alam yang banyak digunakan dalam bidang perindustrian yang mempunyai sifat tahan karat. Daerah Angkasapura Jayapura termasuk dalam wilayah pengunungan Cycloop dengan berbagai jenis batuan. Tujuan dari penelitian ini adalah untuk menentukan profil nikel laterit, komposisi mineral nikel laterit, struktur senyawa mineral nikel laterit dan morfologi permukaan nikel laterit di daerah Angkasapura. Penelitian dilakukan dengan menggunakan metode geolistrik resistivitas konfigurasi Schlumberger. Hasil penelitian menunjukkan bahwa profil nikel laterit yang tersebar pada 3 titik pengukuran yang diidentifikasi dengan metode geolistrik terdiri dari 4 jenis lapisan dengan nilai resistivitas 1,96–362,0  untuk lapisan limonit, 404,0–417,0  untuk lapisan saprolit, 661,0–929,0  untuk lapisan saprock dan 1977,0–3822,0   untuk lapisan bedrock. Persentase unsur Nikel pada sampel nikel laterit pada 4 jenis lapisan yaitu 0,51% pada lapisan top soil, 1,32% pada lapisan red limonit, 1,40% pada lapisan yellow limonit dan 15,3% pada lapisan saprock. Hasil penelitian menunjukkan bahwa nikel laterit yang tersebar di daerah Angkasapura Jayapura, Papua berpotensi sebagai sumber tambang Nikel.
Identification of Clay Element Content in Fabric Dyeing Process Using X-Ray Fluorescence Spectrometry
Authors: Nengsih Reni Fitria , Rifai Hamdi , Dwiridal Letmi , Akmam Akmam , Fauzi Ahmad , Yusrizal Yusrizal
Published: March 2024

Clay in West Sumatra has been used as a natural dye for batik, so the batik is known as clay batik. The dyeing of the cloth is done by boiling and soaking the clay together with the cloth for 10 days. The color of the fabric is caused by certain elements present in the clay. Currently, no one has investigated the changes in elemental content due to the dyeing process. This research aims to investigate the changes in the concentration of the elements that affect the color of the fabric. Samples were taken from 4 areas, namely Solok, Sijunjung, Lima Puluh Kota, and Pesisir Selatan with a total of 8 samples, of which 4 samples were measured before the staining process and 4 more samples after the staining process. Changes in the elemental content of clay were investigated using X-Ray Fluorescence (XRF). The results of the study showed changes in the content of the dominant element, namely Al, Si, and Fe contained in samples CL-PYKLN 2A and CL-TJG GDG 210422. While the samples CL-PSB-SJJ 210421 and CL-SPPS 1 210314 the change in the concentration of the elemental content was not too significant. The elements that cause colored cloth are all elements in clay, but the dominant element in coloring cloth is Fe.
Effect of Tube Voltage (kV) on Radiographic Image Quality of TOR-CDR Phantom Object
Authors: Fauzya Sholy Putri
Published: March 2024

The test object was selected in the form of a TOR-CDR phantom which was exposed to X-rays with a low tube voltage (kV) and adjusted the contrast enhancement in the radiographic image. The study of this method was carried out by varying the tube voltage (kV) from 60 kV-80 kV and increasing contrast from 5%-30%. Based on the tests carried out, increasing the tube voltage (kV) can improve image quality, but increase the radiation dose received. However, giving enhancement can reduce tube voltage (kV) and improve image quality. The decrease in the average pixel value against the contrast on the TOR-CDR phantom follows the second order of polynomial equations, y=Ax2+Bx+. The coefficient A, B and C has linear relationship with the tube voltage (kV). The coefficient A has a decreasing trend and the coefficient B has an increasing tendency as the tube voltage (kV) increase. Meanwhile, the coefficient C shows the noise level in the image. Contrast enhancement can reduce the tube voltage (kV) used, but this contrast increase can only be done in a limited way. In this research, the maximum contrast enhancement limit in the image is 10% with 12-13 visible circles from 17 circles on the object.
Performance Degradation Evaluation of a Lithium-Ion Battery from Multiple SoC Measurements
Authors: Saputra Riza Hadi , Marindra Adi Mahmud Jaya , Nursyeha Muhammad Agung , Fariyani Dwi Kurnia Agung
Published: March 2024

Lithium-Ion (Li-ion) battery is essential in today's energy systems and electric vehicles (EVs). Although Li-ion battery can be charged quickly and have a high energy density, it has several drawbacks, including the rapid degradation of battery performance, especially in terms of battery capacity. Therefore, evaluating its performance degradation is necessary to understand its characteristics. In this paper, the performance degradation of a Li-ion battery is monitored and evaluated from multiple SoC measurements. A simple and low-cost experimental setup consisting of sensors, a microcontroller, and a PC is developed to measure and record the real-time data of Li-ion battery voltage and current. Then, the battery state of charge  (SoC) is determined using the Coulomb Counting method, which is based on the incoming and outgoing currents of the battery. As a result, this study derives three parameters that indicate the performance degradation of a Li-ion battery, i.e., SoC, battery capacity, and discharge time. From multiple direct measurements with constant load and C20 discharge process, the minimum SoC value increases from 11% to 18%, while battery capacity decreases from 8.8Ah to 8.3 Ah and, discharge time decreases from 16.9 hours to 16.4 hours. All of those parameters indicate a degradation of around 7% in battery performance. Therefore, this research paves the way for finding a solution to mitigate the quick performance degradation of Li-ion batteries.
Deep Learning for Investment Risk Analysis, Expected Return and Stock Market Prediction
Authors: Hastomo Widi , Bayangkari Karno Adhitio Satyo , Masriyanda Masriyanda , Sestri Ellya , Kardian Aqwam Rosadi , Kamilia Nada , Sundoro Aries , Dewanto I. Joko , Azis Nur , Rasyidin Ahmad
Published: March 2024

Ability For analyze prediction mark something share going up or down as well as level possible risk _ taken into account , much needed stock investors . In study this done analysis risk and correlation between share with calculate daily returns use method moving averages (MA). Besides that with a dataset of 4 stocks (Apple, Google, Microsoft and Amazon) also performed prediction mark stock in period time next (future), with use neural network method (deep learning) Long Short Term Memory (LSTM) model. Result of programming in python language in the form of a number of visualization easy graph _ reading information . Changes in sales volume share No happen in a manner significant , though from term MA chart short and long to four share tend experience decline price since month January to May 2022. Correlation highest 75% between shares of Google and Microsoft, and the lowest 60% between Apple and Google shares. From analysis risk and expected return, obtained results shares Amazon has risk the highest (0.022059) and the lowest expected return (-0.000003). Apple shares with medium risk ( 0.019926 ) and the highest expected return (0.001283). While 2 shares finally Google and Microsoft have risk small below 0.018 with expected return at the level are respectively 0.001019 and 0.000784. predictions time future with the LSTM model, indicating Apple , Google and Amazon will experience increase price stock , meanwhile decline price share will happened at Microsoft.
Sequential Detection under Correlated Observations using Recursive Method
Authors: Suratman Fiky Yosef , Istiqomah Istiqomah , Rahmawati Dien
Published: March 2024

Sequential analysis has been used in many cases when the decision is supposed to be taken quickly such as for signal detection in statistical signal processing, namely sequential detector. For identical error probabilities, a sequential detector needs a smaller average sample number (ASN) than its counterpart of a fixed sample number quadrature detector based on Neyman-Pearson criteria. The optimum sequential detector was derived based on the assumption that the observations are uncorrelated (independent). However, in realistic scenario, such as in radar, the assumption is commonly violated. Using a sequential detector under correlated observations is sub-optimal and it poses a problem. It demands a high computational complexity, since it needs to recalculate the inverse and the determinant of the signal covariance matrix for each new sample taken. This paper presents a technique for reducing the computational complexity, which involves using recursive matrix inverse to subsequently calculate conditional probability density functions (pdf). This eliminates the need to recalculate the inverse and determinant, leading to a more reasonable solution in real-world scenario. We evaluate the performance of the proposed (recursive) sequential detector by using Monte-Carlo simulations and we use the conventional and non-recursive sequential detectors for comparisons. The results show that the recursive sequential detector has equal probabilities of false alarm and miss-detection with the conventional sequential detector and performs better than the non-recursive sequential detector. In terms of ASN, it maintains comparable results to the two conventional detectors. The recursive approach has reduced the computational complexity for matrix multiplication to   from  and it also has rendered the calculation of matrix determinant to be unnecessary. Therefore, by having better probabilities of error and reduced computational complexities under correlated observations, the proposed recursive sequential detector may become a viable alternative to obtain a more agile detection system as required in future applications, such as in radar and cognitive radio.
Resilensi Petani Garam Rakyat dalam Mempertahankan Usaha Ekonomi Di Desa Kedung Malang, Kecamatan Kedung, Kabupaten Jepara
Authors: Febrizki Mutia Yody , Luthfi Asma
Published: March 2024

Garam merupakan komoditas utama untuk bahan baku industri dan bahan pangan masyarakat. Pertanian garam di Indonesia terletak dibeberapa wilayah, salah satunya terletak Kabupaten Jepara. Pertanian garam di Jepara setiap musim kemarau selalu melakukan produksi baru. Sektor pertanian garam di masa yang akan datang dapat mengalami kerentanan usaha karena adanya beberapa permasalahan. Kondisi musim yang tidak dapat diprediksi menjadi masalah utama dalam pertanian garam. Petani perlu memiliki resiliensi untuk menghadapi dan memanfaatkan peluang yang tersedia untuk mempertahankan keberlangsungan usaha pertanian garam (Ismail dkk, 2016). Dalam penelitian ini penulis bertujuan untuk memperlihatkan kegiatan pertanian garam dan kemampuan resiliensi petani garam untuk bertahan hidup dalam menghadapi hambatan pada usaha pertanian garam di Kedungmalang. Penelitian ini menggunakan pendekatan kualitatif dengan metode observasi, wawancara dan dokumentasi. Lokasi penelitian berada di Desa Kedungmalang, Kecamatan Kedung, Kabupaten Jepara. Respon positif resiliensi petani dalam menghadapi hambatan dapat dilakukan dengan memanfaatkan dan memperluas jaringan sosial agar memiliki akses yang lebih baik untuk usaha pertanian garam.
Pembelajaran Sosiologi Berbasis E-Learning Selama Masa Pandemi Covid-19 Kelas XI IPS 2 SMA Negeri 1 Semarang
Authors: Puteri Fatika Khalida , Rochana Totok
Published: March 2024

Pandemi Covid-19 telah berdampak dalam berbagai bidang, salah satunya ialah bidang pendidikan. Pembelajaran daring dipilih sebagai alternatif pembelajaran jarak jauh untuk mengurangi potensi penyebaran virus Covid-19. Tujuan penelitian ini yaitu: 1) Mengetahui pelaksanaan pembelajaran sosiologi berbasis E-Learning selama masa pandemi Covid-19 Kelas XI IPS 2 SMA Negeri 1 Semarang, 2) Mengetahui kendala-kendala yang dihadapi guru sosiologi selama masa pandemi Covid-19. Metode yang digunakan dalam penelitian ini yaitu metode kualitatif deskriptif. Hasil penelitian menunjukkan: 1) Pembelajaran sosiologi berbasis E-Learning kelas XI IPS 2 SMA Negeri 1 Semarang sudah terlaksana dengan optimal.  2) Kendala-kendala pelaksanaan pembelajaran daring yang dihadapi ialah jaringan internet yang tidak stabil, penyampaian materi oleh guru terbatas, dan kurangnya pengawasan guru kepada peserta didik.
Penerapan Teknologi Pertanian Pada Pengelolaan Pertanian Sub Sektor Tanaman Pangan di Desa Karangtalun Kidul Banyumas
Authors: Fitrianingsih Fitrianingsih , Arsal Thriwaty
Published: March 2024

Pertanian sub sektor tanaman pangan dikelola petani di Desa Karangtalun Kidul dengan cara tradisional yang memiliki kebutuhan tinggi terhadap tenaga kerja, pembiayaan produksi yang tinggi dan dengan produktivitas yang terbatas. Pengelolaan tradisional menempatkan petani dalam dua pilihan yaitu menerapkan teknologi sebagai upaya meningkatkan pertaniannya atau mempertahankan pertanian tradisional dengan jaminan keamanan dan kestabilan hasil pertanian. Metode penelitian menggunakan metode kualitatif dengan teknik pengumpulan data meliputi observasi non partisipan, wawancara semi terstruktur dan dokumentasi. Hasil penelitian menunjukkan bahwa, Penerapan teknologi pertanian diwujudkan dalam penerapan varietas benih unggul dan sistem tanam jajar legowo menjadi upaya meningkatkan hasil pertanian (intensifikasi), penerapan alat mesin pertanian menjadi upaya mengatasi permasalahan tenaga kerja, pembiayaan tinggi dan meningkatkan kualitas, kuantitas serta kapasitas pertanian padi.
Etika Subsistensi sebagai Strategi Survival Pembatik Rumahan di Desa Trusmi Kulon Kabupaten Cirebon pada Masa Pandemi COVID-19
Authors: Amelia Lutfi Nur , Prasetyo Kuncoro Bayu
Published: March 2024

Penelitian ini dilatarbelakangi oleh kemunculan pandemi COVID-19 yang menyebabkan terpuruknya perekonomian pembatik rumahan di Desa Trusmi Kulon. Pembatik rumahan melakukan berbagai macam strategi bertahan hidup untuk menyiasati dampak yang dirasakan akibat kemunculan pandemi. Penelitian bertujuan untuk mendeskripsikan kondisi ekonomi para pembatik rumahan pada masa pandemi COVID-19 dan menganalisis bentuk-bentuk survival strategy yang dilakukan pada masa pandemi COVID-19. Penelitian ini menggunakan metode penelitian kualitatif dengan teknik pengumpulan data melalui observasi, wawancara, dan dokumentasi. Penelitian dianalisis menggunakan teori Etika Subsistensi James Scott. Hasil penelitian menunjukkan bahwa (1) Pandemi COVID-19 menyebabkan pembatik rumahan mengalami kemunduran terutama pada sektor ekonomi; (2) Strategi bertahan hidup dilakukan dengan mengurangi pengeluaran, mencari pekerjaan lain, dan memanfaatkan jaringan atau relasi. Hal tersebut menunjukkan bahwa para pembatik rumahan menjalankan strategi subsistensi James Scott yaitu mengikat sabuk lebih kencang, alternatif subsitensi, dan jaringan serta lembaga di luar keluarga.
Transformasi Budaya Bertani Masyarakat Sedulur Sikep Di Kecamatan Sukolilo, Kabupaten Pati
Authors: Aulia Natsuwa Cindi
Published: March 2024

Indonesia merupakan negara agraris dengan 88,89% masyarakatnya memiliki mata pencaharian sebagai petani. Pada kegiatan pertanian, mayoritas petani menggunakan pupuk kimia dan pestisida buatan dikarenakan pupuk kimia mempercepat pertumbuhan tanaman dan lebih efisien dibandingkan dengan pupuk organik. Pupuk kimia sendiri sudah mulai dikembangkan di Indonesia sejak program food estate pada zaman presiden Soeharto. Akan tetapi, terdapat petani menolak penggunaan pupuk kimia dikarenakan adanya sistem pertanian yang mereka terapkan. Salah satu petani yang menolak penggunaan pupuk kimia dalam pertaniannya adalah masyarakat Sedulur Sikep di Kecamatan Sukolilo, Kabupaten Pati. Masyarakat Sedulur Sikep di Sukolilo Pati memiliki sebuah budaya bertani dalam mengolah lahannya. Namun, seiring dengan berkembangnya zaman budaya bertani masyarakat Sedulur Sikep di Sukolilo Pati mengalami transformasi. Budaya bertani yang awalnya merupakan bentuk representasi kecintaan mereka terhadap alam mengikuti perkembangan zaman. Masyarakat Sedulur Sikep di Sukolilo mulai menerapkan sistem pertanian modern dengan bantuan bahan kimia. Berkembangnya Ilmu Pengetahuan dan teknologi justru membuat kearifan lokal yang ada mulai hilang eksistensinya. Tentunya transformasi pada pertanian Sedulur Sikep tidak terjadi secara keseluruhan, masih terdapat beberapa aspek yang bertahan dengan nilai kearifan lokalnya. Penelitian ini ingin mengetahui sejauh mana transformasi budaya bertani di masyarakat Sedulur Sikep.