bluuebunny/crossref_metadata_2025 huggingface dataset:
Pengembangan Media Pembelajaran Matematika Berbasis Komik untuk Meningkatkan Keterampilan Pemecahan Masalah Siswa
Authors: Aprilla Catherine Riza
Published: November 2022

Penelitian ini bertujuan untuk mengembangkan model media pembelajaran Komik untuk meningkatkan ketrampilan pemecahan masalah pada materi bangun datar. Penelitian ini merupakan jenis penelitian pengembangan atau sering disebut Research and Development. Metode penelitian yang digunakan adalah model ASSURE yang terdiri dari enam tahapan, yaitu Analyze Learner; State Standards and Objectives; Select Strategies, Technology, Media, and Materials; Utilize Technology, Media and Materials; Require Learner Parcipation; Evaluate and Revise.Validitas pengembangan media pembelajaran dinilai oleh para ahli menggunakan lembar validasi ahli. Lembar validasi ahli terdiri dari dua macam yaitu uji ahli media dan uji ahli materi. Hasil validasi ahli terkait media pembelajaran yang dikembangkan terbukti valid. Hasil validasi media menunjukkan presentase sebesar 84% sehingga dapat di kategorikan sanggat tinggi sedangkan hasil uji materi menunjukkan presentase sebesar 76,7% segingga dapat di kategorikan tinggi sehingga layak untuk di ujicobakan dengan adanya revisi.
Meta Analisis Model Problem Based Learning Dalam Meningkatkan Kemampuan Berpikir Kritis Pada Pembelajaran Matematika
Authors: Sukmawati Anggit
Published: November 2022

Model Problem Based Learning telah banyak digunakan sebagai solusi dalam meningkatkan kemampuan berpikir kritis. Namun, belum ada penelitian lanjutan yang melakukan verifikasi terhadap efektivitas hasil penerapan model Problem Based Learning. Penelitian ini bertujuan untuk menganalisis kembali keefektifan model pembelajaran Problem Based Learning terhadap kemampuan berpikir kritis siswa pada pelajaran Matematika khususnya pada siswa sekolah dasar. Metode yang digunakan dalam penelitian ini adalah meta-analisis secara analisis deskriptif kualitatif, yaitu dengan menganalisis kembali artikel dari hasil penelitian yang telah dipublikasikan dengan sampel sebanyak 20 artikel nasional dan dapat diakses secara online melalui Google Scholar atau Google Cendekia. Hasil dari penelitian meta-analisis ini menunjukkan bahwa model pembelajaran Problem Based Learning sangat berpengaruh dalam meningkatkan kemampuan berpikir kritis siswa pada pelajaran matematika sekolah dasar dengan presentase terendah 1,16% hingga yang tertinggi 40,35% dengan rata rata 20,70%. Berdasarkan hasil analisis, secara keseluruhan rata-rata pengaruh yang terdapat pada model pembelajaran Problem Based Learning sebesar 1,21. Sehingga dapat disimpulkan bahwa model Problem Based Learning efektif dalam meningkatkan kemampuan berpikir kritis siswa pada mata pelajaran matematika.
Application of an experimental design in the hydrothermal synthesis of GIS-NaP zeolite from brickwall wastes
Authors: Rodríguez Valdivia Marcelo , Guzmán Ale Rivalino , Huamán Gutiérrez Martha
Published: November 2022

This article reports the results of an investigation carried out in order to obtain zeolitic material of the GIS-NaP type with high cation exchange capacity using brick waste. The hydrothermal synthesis was carried out in a stainless-steel reactor using NaOH activating solutions at concentrations of 2.0, 2.5 and 3.0 M, activation temperatures of 100, 120 and 140 ℃ and activation times of 7, 8 and 9 hours. The product obtained was characterized by X-ray Fluorescence, Scanning Electron Microscopy (SEM), X-ray Diffraction, and Cation Exchange Capacity (CEC).The results obtained showed that for the hydrothermal conversion test at 140 ℃/2 M/7 hours, GIS-NaP synthetic zeolite with a cation exchange capacity equal to 163.5 meq/100 g was obtained. The statistical analysis, applying a factorial experimental design, indicated that the main factors with a great effect on the cation exchange capacity (CEC) are the activation temperature and the interaction between it and the concentration of the activating solution, with a degree of significance of 0.049250 and 0.056631 for a confidence level of 90.82%. An empirical mathematical model was developed and validated by applying ANOVA analysis that considers the interaction effects of all factors and was optimized by applying the response surface methodology.
The genetic diversity and variation in crude protein content of wheat (Triticum aestivum L.) promising cultivars for breeding in Albania
Authors: Dervishi Aida , Rumano Merita , Ruzi Panajota , Çakalli Adriatik
Published: November 2022

The genetic diversity and variation in crude protein content among eleven wheat genotypes, comprising three elite local genotypes and eight wheat genotypes of foreign origin were investigated in the present study. Variability was evidenced in grain protein content estimated by biuret test, it ranged from 9.5 to 13.9% with mean of 11.58%. Comparative analysis between local and introduced wheat genotypes revealed that the local genotypes had lower protein content than those of foreign origin. Fourteen polymorphic RAPD markers were used to assess genetic diversity among selected wheat varieties. The mean similarity among wheat genotypes was 67%. Genetic similarity among local wheat varieties was higher (83%) than among those of foreign origin (66%). The wheat genotypes were grouped into two main clusters on UPGMA dendrogram constructed based on Dice similarity coefficients. A clear clustering of genotypes according to the origin wasobserved. This clustering was also supported by principal coordinate analysis (PCoA) results. There was no observed clustering based on the protein content. The data revealed that local wheat genetic had narrow genetic diversity, however the wheat genotypes of foreign origin constitute a promising material to be employed in breeding programs aiming the increase of wheat protein content and genetic diversity.
Influence of biochar on the vegetative and generative growth of ‘Meredith’ peach trees
Authors: Frąc Mateusz , Sas-Paszt Lidia , Sitarek Mirosław
Published: November 2022

Many studies have confirmed positive effect of biochar as a soil conditioner that can increase in a short time the amount of organic matter (SO) and the reserves of organic carbon (OC) in the soil. The use of biochar also contributes to eliminating the effects of soil fatigue, especially in perennial fruit crops. In our study, biochar was applied in the spring of 2014 in the cultivation of one-year-old peach trees of the cultivar Meredith. Biochar, an organic fertilizer, and microbiologically enriched compost were applied to the arable soil layer. In the experiment, three combinations with biochar were used: (1) biochar at 1.6 kg/tree, (2) biochar at 1.6 kg/tree + microbiologically enriched compost at 0.3 kg/tree, (3) biochar at 1.6 kg/tree + an organic fertilizer at 0.2 kg/tree. In the first growing season, no positive changes were found after the use of biochar. The highest number and yield of fruits in 2015 were obtained from the trees that were treated with microbiologically enriched compost, and the lowest in the combination where biochar + organic fertilizer were used to treat the peach trees. In 2016, the largest number of fruits and their greatest weight were re­corded for the trees treated with biochar + organic fertilizer, whereas the control trees produced the lowest yields. The use of biochar with microorganisms and biochar with organic fertilizer improved the vegetative growth of trees compared to the growth of control trees.
Extending Environments to Measure Self-reflection in Reinforcement Learning
Authors: Alexander Samuel Allen , Castaneda Michael , Compher Kevin , Martinez Oscar
Published: November 2022

We consider an extended notion of reinforcement learning in which the environment can simulate the agent and base its outputs on the agent’s hypothetical behavior. Since good performance usually requires paying attention to whatever things the environment’s outputs are based on, we argue that for an agent to achieve on-average good performance across many such extended environments, it is necessary for the agent to self-reflect. Thus weighted-average performance over the space of all suitably well-behaved extended environments could be considered a way of measuring how self-reflective an agent is. We give examples of extended environments and introduce a simple transformation which experimentally seems to increase some standard RL agents’ performance in a certain type of extended environment.
Framing the pandemic in the political discourse of Justin Trudeau and Donald Trump
Authors: Kasztenna Katarzyna (Kasia)
Published: November 2022

Employing the tools of discourse analysis, this paper seeks to investigate the framing strategies mobilized by Justin Trudeau and Donald Trump in their speeches delivered in response to the announcement of the global pandemic of COVID-19 on March 11, 2020. The author contrasts the frames of war and the frames of rational positivistic reaction to the challenge, exploring lexical choices, topoi, and larger discursive structures such as myths and ideologies to restore the storylines underpinning both texts. The analysis reveals the deeply instilled divergence of the vision of a nation, history, and the role of public institutions in both speeches.
Parricídio e psicose
Authors: Valença Alexandre Martins , Telles Lisieux Elaine de Borba , Silva Antônio Geraldo da , Alexandre Milena Ferreira de França
Published: November 2022

O artigo objetiva realizar uma revisão sobre o tema de parricídio e doença mental, e descrever o caso de um homem com transtorno psicótico que assassinou o genitor.  É discutida a imputabilidade penal e a importância do tratamento psiquiátrico para a prevenção desses casos.
Exploring the Use of the Possible-Me-Tree Drawing to Assist Youths with Substance Use Disorder and Multiple Relapses in a Treatment Facility in Gauteng, South Africa
Authors: Bond Sue , Mashambanhaka Priscilla
Published: November 2022

Substance use disorder is an international problem. Rates of substance use disorder in South Africa are increasing, particularly among the youth, and relapse rates are high. A range of treatment modalities and support programmes are used to treat substance use disorder. Possible selves is a theory of self-concept and behaviour motivation suggesting that self-concept has future components, namely, hoped-for selves, feared selves and expected selves. These serve to motivate behaviour either towards or away from an aspect of self and may be useful in personalising rehabilitation and contributing to maintained sobriety. In this qualitative study, we used a phenomenological design to sample nine participants in a treatment centre in Gauteng, South Africa. These participants engaged in the possible-me-tree-drawing activity to explore their hoped-for, feared and expected possible selves. The findings of hoped-for selves as sober, educated and in healthy relationships were identified. Feared selves included self as a life-long addict, homeless and alone. The participants discussed expected selves as family members and independent. The participants felt that the activity was useful to them. All participants stated that identifying their possible selves would help them to maintain sobriety after leaving the treatment facility. Based on these findings we recommend that possible selves be implemented in treatment programmes for substance use disorder. We also recommend that future research include replicating the study, including a longitudinal component and comparison studies based on a quasi-experimental design.
Atypical Ulcers: A Stepwise Approach for Clinicians
Authors: Nickles Melissa , Tsoukas Maria , Sweiss Nadera , Ennis William , Altman Igor
Published: November 2022

Chronic ulcers are associated with significant morbidity and mortality. Typical ulcers are due to venous insufficiency, diabetes, ischemia, pressure, and lymphedema. A chronic ulcer that does not respond to standard therapies should be reevaluated for potential atypical etiologies. Atypical ulcers are less common and more difficult to diagnose due to a wide range of possible etiologies, including inflammatory (autoimmune), neoplastic, vasculopathy, hematologic, infectious, drug-induced, or external. No standardized approach to the management of complex atypical ulcers exists. In this review, a stepwise approach to atypical ulcers is proposed with the aim of assisting physicians in their identification and diagnosis. If perfusion is adequate and there are no signs of infection, then the authors recommend obtaining an ulcer biopsy for microbiologic, DIF, and histopathologic evaluation as the criterion standard for diagnosis. Laboratory testing, including an autoimmune panel, a hypercoagulable panel, and an infectious diseases panel, can further aid in diagnosis. Atypical ulcers often require multidisciplinary care, with input from specialists in rheumatology, dermatology, infectious diseases, wound care, vascular surgery, hematology, and oncology. Effective communication within the health care team is essential for accurate diagnosis and management of atypical ulcers. Active dialogue between providers can improve consult efficiency and ultimately lower the cost of care.
Frenkel Excitons in Vacancy-ordered Titanium Halide Perovskites (Cs₂TiX₆)
Authors: Kavanagh Seán R. , Savory Christopher N. , Liga Shanti M. , Konstantatos Gerasimos , Walsh Aron , Scanlon David O.
Published: November 2022

Low-cost, non-toxic and earth-abundant photovoltaic materials are a long-sought target in the solar cell research community. Perovskite-inspired materials have emerged as promising candidates for this goal, with researchers employing materials design strategies including structural, dimensional and compositional transformations to avoid the use of rare and toxic elemental constituents, while attempting to maintain high optoelectronic performance. These strategies have recently been invoked to propose Ti-based vacancy-ordered halide perovskites (A₂TiX₆; A = CH₃NH₃, Cs, Rb, K; X = I, Br, Cl) for photovoltaic operation, following the initial promise of Cs₂SnX₆ compounds. Theoretical investigations of these materials, however, consistently overestimate their band gaps – a fundamental property for photovoltaic applications. Here, we reveal strong excitonic effects as the origin of this discrepancy between theory and experiment; a consequence of both low structural dimensionality and band localization. These findings have vital implications for the optoelectronic application of these compounds, while also highlighting the importance of frontier-orbital character for chemical substitution in materials design strategies.
Chromatographic phospholipid trapping for automated H/D exchange mass spectrometry analysis of membrane protein-lipid assemblies
Authors: Hammerschmid Dietmar , Calvaresi Valeria , Bailey Chloe , Russell Lewis Benjamin , Politis Argyris , Morris Mike , Denbigh Laetitia , Anderson Malcolm , Reading Eamonn
Published: November 2022

Lipid interactions modulate the function, folding, structure, and organization of membrane proteins. Hydrogen/deuterium exchange mass spectrometry (HDX-MS) has emerged as a useful tool to understand the structural dynamics of these proteins within lipid environments. Lipids, however, have proven problematic for HDX-MS analysis of membrane-embedded proteins, due to their presence impairing proteolytic digestion, causing liquid chromatography column fouling, ion suppression, and/or mass spectral overlap. Here, we describe the integration of a chromatographic phospholipid trap column into the HDX-MS apparatus to enable online sample delipidation prior to protease digestion of deuterium labeled protein-lipid assemblies. We demonstrate the utility of this method on membrane scaffold protein lipid nanodisc – both empty and loaded with the ~115 kDa transmembrane protein AcrB – proving efficient and automated phospholipid capture with minimal D-to-H back-exchange, peptide carry-over, and with minimal protein loss. Our results provide insights into the efficiency of phospholipid capture by ZrO2-coated and TiO2 beads, and describe how solution conditions can be optimized to maximize the performance of our online, but also the existing offline, delipidation workflows for HDX-MS. We envision that this HDX-MS method will significantly ease membrane protein analysis, allowing to better interrogate their dynamics in artificial lipid bilayers or even cell membranes.
Experimental and computational investigation of benperidol and droperidol solid solutions in different crystal structures
Authors: Saršūns Kristaps , Bērziņš Agris
Published: November 2022

We explored solid solution formation between structurally highly similar active pharmaceutical ingredients droperidol and benperidol in different crystal phases formed by these compounds. We crystallized samples having different compound molar ratio to evaluate the solid solution formation capabilities. Different crystallization conditions were used to evaluate solid solution formation in different crystal phases, including nonsolvates, dihydrates, and several solvates. We also explored the phase obtained in the desolvation of the obtained solvated products. Our results clearly demonstrate that the formation of solid solutions strongly depends on the crystal structure, as in part of the structures almost complete replacement of benperidol with droperidol was achieved but in other structures the replacement was possible only up to a limited molar ratio. Moreover, only limited replacement of droperidol with benperidol was achieved and only in part of the structures. We investigated change of intramolecular and intermolecular energy introduced by the molecule replacement using computational calculations. We show that experimentally we obtained only structures where molecule replacement allows formation of efficient intermolecular interactions, and energetic requirements of intermolecular interaction changes to obtain solid solutions in nonsolvated phase are less strict than that for solvates.
Inadequacy of Continuum Solvation for Polar Reactions: Predicting the Mechanism of Carbonyl–Olefin Metathesis
Authors: Schindler Corinna , Kwan Eugene , Vonesh Hannah , Wagen Corin , McMinn Spencer , Thedford Joshua
Published: November 2022

In carbonyl–olefin metathesis, two π-bonds undergo a cycloaddition-cycloreversion process to form valuable alkenes from simple precursors. Although this synthetic methodology has advanced significantly, further improvements would be greatly facilitated by a clear understanding of whether Lewis-acid-catalyzed carbonyl–olefin metathesis reactions occur via a stepwise or concerted pathway. Here we use 12C/13C kinetic isotope effects (KIEs), 1H/2H KIEs, and Hammett studies to show that prototypical iron(III)-catalyzed ring-closing carbonyl–olefin metathesis reactions of aryl ketones are stepwise. Despite this strong experimental evidence, typical computational models incorrectly predict a concerted mechanism. We trace this failure to the use of conventional implicit solvation models and demonstrate that when solvent molecules are explicitly represented, the correct stepwise mechanism is predicted. These results call into question prior computational proposals of concerted carbonyl-olefin metathesis, highlight the importance of explicit solvent representations for charged intermediates, and have broad implications for how all polar reactions are studied.
Myeloma immunoglobulin rearrangement and translocation detection through targeted capture sequencing
Authors: Chow Signy , Kis Olena , Mulder David T , Danesh Arnavaz , Bruce Jeff , Wang Ting Ting , Reece Donna , Bhalis Nizar , Neri Paola , Sabatini Peter JB , Keats Jonathan , Trudel Suzanne , Pugh Trevor J
Published: November 2022

Multiple myeloma is a plasma cell neoplasm characterized by clonal immunoglobulin V(D)J signatures and oncogenic immunoglobulin gene translocations. Additional subclonal genomic changes are acquired with myeloma progression and therapeutic selection. PCR-based methods to detect V(D)J rearrangements can have biases introduced by highly multiplexed reactions and primers undermined by somatic hypermutation, and are not readily extended to include mutation detection. Here, we report a hybrid-capture approach (CapIG-seq) targeting the 3′ and 5′ ends of the V and J segments of all immunoglobulin loci that enable the efficient detection of V(D)J rearrangements. We also included baits for oncogenic translocations and mutation detection. We demonstrate complete concordance with matched whole-genome sequencing and/or PCR clonotyping of 24 cell lines and report the clonal sequences for 41 uncharacterized cell lines. We also demonstrate the application to patient specimens, including 29 bone marrow and 39 cell-free DNA samples. CapIG-seq shows concordance between bone marrow and cfDNA blood samples (both contemporaneous and follow-up) with regard to the somatic variant, V(D)J, and translocation detection. CapIG-seq is a novel, efficient approach to examining genomic alterations in myeloma.
USING DUOLINGO APPS TO IMPROVE ENGLISH READING COMPREHENSION OF ENGINEERING STUDENTS IN UNIVERSITAS BORNEO TARAKAN
Authors: Ajisoko Pangkuh
Published: November 2022

Learning English is matter of learning language components and language skills. Reading is the most difficult learning that plays important role in mastering English Language. Learning reading is quite challenging. It needs various techniques and applications. The transformation of English language learning is mostly affected by technological advances.  The development of English Language Teaching (ELT) resources,  Duolingo participates to transform method of English language learning on smartphone. The aim of this study is to find out the impact of Duolingo in ELT as extensive learning. Pre-experimental design with pre-test and post-test was used in this research. The researcher involved 15 students as sample with 2 months practicing duolingo apps with 20 xp on each day intensity of practice. The researcher used reading tests as pre-test and post-test and questionnaire to see students’ perception. According to the results, there was massive improvement on students score. Students also felt that Duolingo is useful apps to use everyday to learn English.
THE PERCEPTION ABOUT DIFFICULTIES OF DIALECT BUGINESE TOWARD STUDENT’S SPEAKING IN MUHAMMADIYAH UNIVERSITY OF MAKASSAR
Authors: Ridwan Rina Indrianty , Munir Ahmad , Purwati Oikurema
Published: November 2022

The difficulty of speaking English, especially for first graders It will be a sustainable issue. Seeing that phenomenon, this study aimed to see difficulty in speaking English among first graders of English education Muhammadiyah University of Makassar. There are two in this study. This study takes a qualitative approach of choosing a location and choosing Students will batch 2020 as a participant in this study. Participants were selected through recommendations from all instructors who taught the course. About difficulty in speaking English, 4 difficulties in this study. The result was Interference from students' dialect according to the research results, the dominant the interference to students‟ spoken language is interfere with pronunciation stress any part of the word. Student dialect factors difficulties speaking English (internal factor = self-confidence) main distractions to students performance was an interference with spoken language performance lasses that make students more confident, those students who felt wrong in the lecture English and their friends can’t understand because they spoke English was like they speak the local dialect, it interferes the motivation of the student to speak.
ENHANCING VOCABULARY SKILLS FOR YOUNG LEARNERS USING CROSSWORD PUZZLE MOBILE GAME
Authors: Prayoga Gede Hermawan Adi
Published: November 2022

Vocabulary is a very important skill in learning English. Therefore, effective vocabulary learning is needed to support the development of English. Mobile games are one of the media that can be implemented in vocabulary learning. Mobile games are used because they are fun and can attract students' attention in learning. The use of crossword puzzle games in vocabulary learning is the focus of this study. The crossword game used is based on a mobile game, namely "Words of Wonders: Crossword to Connect Vocabulary". The data is taken from various sources using library research methods. The paper found that the majority students who are taught by using Crossword Puzzle game is more engaging in learning and showing the increase in their score. Furthermore, the use of Crossword Puzzle game is a proper way in teaching vocabulary and can be used as a supplementary material in order to make students are more engage in the learning.
INVESTIGATING GRAMMATICAL PROBLEMS FACED BY THE SEVENTH SEMESTER STUDENTS OF STKIP ABDI PENDIDIKAN PAYAKUMBUH IN WRITING INTRODUCTION CHAPTER OF RESEARCH PROPOSAL
Authors: Nifriza Ifna
Published: November 2022

This research aims to analyze grammatical problems faced by the seventh semester students of STKIP Abdi Pendidikan Payakumbuh in writing introduction chapter of research proposal. The research also determines the caused of those problems. 50 students involved in the study. The study showed that the students had grammatical problems in writing introduction chapter of research proposal, exactly in tenses 293 problems (37.66%). The caused of students’ grammatical problems is overgeneralization. Dealing with the way of lecturer teaching grammar, it was found that the grammar lecturer strategy was still inappropriate. Thus, it is suggested to English lecturer to use various teaching strategies in teaching grammar to make the students master grammar before starting writing.
EXAMPLE NON-EXAMPLE METHOD FOR IMPROVING STUDENTS' WRITING DESCRIPTIVE TEXT
Authors: Situmorang Rahayuni Andyka Putri , Napitupulu Fenty D , Sidabutar Usman , Sinaga Nissi Wuntari , Naingolan Benedictus William , Sihotang Supriandi
Published: November 2022

This study aims to improve students' ability to write an essay in the descriptive text genre. Descriptive text is a genre that serves to explain something to the reader through writing. To make it easier for researchers to conduct research, researchers use the CAR (Classroom Action Research) method to make it easier for researchers to be closer to the sample. The sample in this study were students of SMPN 5 Percut Sei Tuan with a total of 30 students. Researchers have conducted research with five meetings in four stages, namely planning, and observing. action, and reflection. Quantitative and Qualitative data are tools used in collecting data. Quantitatively, the value of the students' descriptive text is as data, which has been carried out in two cycles. Started the pre-test with a total score of 1953,3 with an average of 64.5. In the first cycle, the total score was 2204.05 with an average of 73.4. The researcher again conducted a post-test in the second cycle to achieve the requirements for teaching success, namely 85%. In cycle 2 the total score was 2621.6 with an average of 87.3. This proves that there is a significant change in student scores using the example non-example method. Qualitative data taken from observation sheets, interviews, and writer's diaries show that it is easier for students to understand teaching and can attract students' attention with an image applicator that guides students to write an essay.
Academic service quality, student role and WOM communication in higher education
Authors: Tehci Ali
Published: November 2022

Academic service quality in higher education is co-created by all participants of the educational process, including students. Word of mouth communication (WOM) in the education sector is among the main tools to assess the level of training services. In this context, the study investigates the relationship between the student role, academic service quality, word of mouth communication, and electronic word of mouth communication in higher education. The theoretical basis of the research is the principles of behavioural economics and service-dominant logic theory, in particular. Hypotheses were tested using the structural equation model. The research data collected using the questionnaire method were obtained from 164 students in the foreign language preparatory class at a state university in Kyrgyzstan. IBM SPSS AMOS 21 package program was used to test the structural relationships in the research model. The findings showed that student role positively affected academic service quality and WOM communication. In addition, it was concluded that academic service quality positively impacted word of mouth communication, which, in turn, affected electronic word of mouth communication. Among the directions of future research are studies with a larger sample and different research methods and designs used.
The Exploring feature selection techniques on Classification Algorithms for Predicting Type 2 Diabetes at Early Stage
Authors: Mila Desi Anasanti  , Khairunisa Hilyati  , Annisa Novtariany
Published: November 2022

Predicting early Type 2 diabetes (T2D) is critical for improved care and better T2D outcomes. An accurate and efficient T2D prediction relies on unbiased relevant features. In this study, we searched for important features to predict T2D by integrating ML-based models for feature selection and classification from 520 individuals newly diagnosed with diabetes or who will develop it. We used standard machine learning classifications, such as logistic regression (LR), Gaussian naive Bayes (NB), decision tree (DT), random forest (RF), support vector machine (SVM) with linear basis function, and k-nearest neighbors (KNN). We set out to systematically explore the viability of main feature selection representing each different technique, such as a statistical filter method (F-score), an entropy-based filter method (mutual information), an ensemble-based filter method (random forest importance), and a stochastic optimization (simultaneous perturbation feature selection and ranking (SpFSR)). We used a stratified 10-fold cross-validation technique and assessed the performance of discrimination, calibration, and clinical utility. We attained the highest accuracy of 98% using RF with the full set of features (16 features), then used RF as a classifier wrapper to select the important features. We observed a combination of SpFSR and RF as the best model with a P-value above 0.05 (P-value = 0.26), statistically attaining the same accuracy as the full features. The study's findings support the efficiency and usefulness of the suggested method for choosing the most important features of diabetic data: polyuria, gender, polydipsia, age, itching, sudden weight loss, delayed healing, and alopecia.
Intermittent Demand Forecasting Using LSTM With Single and Multiple Aggregation
Authors: Azizi Fityan , Wibowo Wahyu Catur
Published: November 2022

Intermittent demand data is data with infrequent demand with varying number of demand sizes. Intermittent demand forecasting is useful for providing inventory control decisions. It is very important to produce accurate forecasts. Based on previous research, deep learning models, especially MLP and RNN-based architectures, have not been able to provide better intermittent data forecasting results compared to traditional methods. This research will focus on analyzing the results of intermittent data forecasting using deep learning with several levels of aggregation and a combination of several levels of aggregation. In this research, the LSTM model is implemented into two traditional models that use aggregation techniques and are specifically used for intermittent data forecasting, namely ADIDA and MAPA. The result, based on tests on the six predetermined data, the LSTM model with aggregation and disaggregation is able to provide better test results than the LSTM model without aggregation and disaggregation.
Enzyme diagnostics for evaluation of effect of nitrogen fertilizers on mineralization and humification processes in sod-podzolic soils
Authors: Mikhailouskaya N. A. , Kasyanchyk S. A. , Mezentseva A. G. , Pagirnitskaya T. V.
Published: November 2022

Ecological management of soil resources is an urgent task involving periodic assessment of effect of fertilizers and other anthropogenic factors on the rate and direction of organic matter transformation. Mineralization and humification of organic residues are the most important functions of the soil, which determine its fertility and are closely related to the biochemical activity of microbial communities. When using intensive agricultural technologies, it is required to timely identify potential risks of reducing soil fertility. Taking into account the biochemical nature of the processes of mineralization and humification of organic substances, it is advisable to use indicators of enzymatic activity for this purpose. Enzymes are the most important metabolites of microorganisms. When choosing enzymatic indicators for a reliable assessment of influence of natural and anthropogenic factors on the activity of mineralization and humification, we took into account large-scale and universal processes in the cycles of the main biogenic elements – carbon and nitrogen. Soil enzyme diagnostics was shown to be likely useful instrument for evaluation of natural and anthropogenic factors effect on mineralization and humification processes in sod-podzolic soils. The most informative enzymatic tests for characterization of soil biochemical status in C and N cycles were determined. Biochemical coefficient was proposed as a resulting criteria for interpretation of enzymes activity data, allowing to compare humification and mineralization activities, reveal their disbalance and control of anthropogenic impact on soils. Experimental data on the effect of nitrogen fertilizers on the activity and ratio of humification and mineralization, obtained in long-term field experiments on soddy-podzolic soils of different granulometric composition and level of fertility are presented.
Effect of deep loosening of interrows on physical properties of sod-podzolic soil and yield of organic potato
Authors: Zakharov A. M. , Minin V. B. , Murzaev E. A. , Mishanov A. P. , Ivanov D. Y.
Published: November 2022

The purpose of this research is to study the effect of deep loosening of row spacings on the physical properties of the soil and yield of organic potatoes. Two variants of soil cultivation were used in row spacings: usual and 25 cm deep. The soil cultivation was carried out with a row-crop chisel cultivator. Its design was developed at the institute. Analysis of the data obtained as a result of experimental studies showed that deep loosening of row spacings had a positive effect on soil compaction both in the inter-row width and directly in the plough ridge. The soil compaction in the row spacing during normal tillage was in average above 20 %, and in the ridge by an average of 13 % compared to deep tillage. The assimilation of moisture by the soil with when using of deep loosening of row spacings also had a positive trend, especially under condition of a large amount of precipitation in a short period of time. Thus, with a loss of 34 mm, the soil in the variant with loosening the row spacings in a larger volume absorbed moisture and the moisture indicators increased sharply in layers, at 15 cm by 27 %, at 25 cm by 20 %, at 35 cm by 5 %. Potato yield increased by 8.7 % when using deep loosening of row spacings. The obtained results of experimental studies should be used as recommendations when carrying out technological operations aimed at caring for potato plantings.
Calculation of mechanical and electromechanical characteristics of asynchronous motors with a short-circuit rotor with variable parameters of its equivalent circuit
Authors: Pryshchepau M. A.
Published: November 2022

When calculating the mechanical and electromechanical characteristics of asynchronous motors (AM), as a rule, their T-shaped equivalent circuits (EC) are used. Parameters of these circuits, determined from reference literature or catalogs, are constant values and correspond to the working part of the characteristics in terms of the rated speed or motor slip. Calculations of the mechanical and electromechanical characteristics of the AM at constant values of the parameters of the EC of AM in a wide range of their speed or slips lead to significant errors outside the operating part of the characteristics. The paper presents a methodology and algorithm for calculating mechanical and electromechanical characteristics of АМ with a short-circuit rotor at variable parameters of their equivalent circuit, as well as checking the coincidence of the results of calculating the characteristics according to the proposed algorithm with the calculation results obtained by another wellknown method.
Basic aspects determining dynamics of storage pests’ population in technocenoses of grain storage facilities of the Republic of Belarus
Authors: Brechko E. V. , Trepashko L. I.
Published: November 2022

Nowadays the problem of storage pests is of current interest, as arthropods living in grain storage facilities and eating grain cause both direct and indirect damage. As a result of the research carried out in 2019–2020 in storehouses of Belarus, the species composition of stored grain pests including 17 species was specified. The paper focuses on the aspects affecting the change of species composition, dominance structure, dynamics of pests’ population when agricultural products are stored in grain storage facilities. It has been determined that the structure of fauna depended on the method of storage (floor storage, bin storage), purpose of products (seed or forage grain), construction and types of storage facilities (airproof, not airproof). In unfilled storehouses coleopterans dominated with a floor storage (84.4 % of the total number), and ticks at bin storage (56.3 %). In grain storage facilities for seeds grain ticks were additional species (27.5 %), and they were permanent in storage facilities for forage grain (52.9 %). The pests were not discovered in disinfected airproof grain storage facilities with seed grain. Abiotic factor (temperature and air humidity) is a key predictor regulating dynamics of the population of stored grain pests during winter and spring-summer periods. The reduction of sensitivity of lesser grain borer (death in 50 %) and ticks (death in 73.6 %) to insectoacaricide with pirimiphos methyl as well as rice weevil (50 %), rust-red grain beetle (20 %) and ticks (48.5 %) to the composition of bifenthrin and malathion was identified for the first time in Belarus. The data indicating obligatory after harvest treatment of grain (cleaning and drying) were obtained, as soon as the absence of these elements in the protection technology brings about the development of ticks during autumn-spring period. The findings can be used for the development of antiresistant and ecologically sound systems of protection against storage pests.
PERAMALAN DAN PENENTUAN TARGET PRODUKSI KEDELAI NASIONAL
Authors: Cahyadi Eko Ruddy , Hidayati Nurul
Published: November 2022

Kedelai merupakan salah satu bahan pangan yang banyak dikonsumsi masyarakat Indonesia dalam bentuk produk olahan seperti tempe, tahu, dan kecap. Permintaan kedelai mentah sebagai bahan baku cenderung meningkat melampaui kapasitas produksi dalam negeri. Tercatat hanya sekitar 65% produksi lokal untuk memenuhi pasar kedelai domestik dan selebihnya berasal dari impor. Oleh karena itu, kebijakan dan program yang tepat untuk peningkatan produksi lokal sangat dibutuhkan. Hal pertama yang perlu dilakukan adalah menentukan target produksi kedelai yang akan dicapai. Target ini akan menentukan alokasi sumberdaya dan program yang sesuai. Dalam risalah ini dilakukan kajian penentuan target yang akuntabel dan realiastis melalui pendekatan peramalan kuantitatif. Hasil kajian menunjukkan bahwa metode peramalan weighted moving average untuk data produksi tahunan dan metode Holt's Winter (Multiplicative) untuk data produksi musiman adalah model peramalan terbaik dengan tingkat kesalahan terkecil. Kedua metode ini dapat diadopsi oleh Kementerian Pertanian dalam menentukan target produksi kedelai. Kisaran target produksi kedelai yang direkomendasikan untuk tahun 2019 adalah 971,489.45 ± 132,732.33 ton.
Skabies dengan Infeksi Sekunder Pada Sindrom Down
Authors: Mitha Yunda Pertiwi  , Dedianto Hidajat
Published: November 2022

Skabies merupakan penyakit kulit yang disebabkan oleh Sarcoptes scabiei. Tanda dan gejala skabies seperti pruritus dan lesi kulit berupa papul kecil disertai kanalikulus serta eskoriasi. Apabila tidak segera diterapi, maka dapat terjadi komplikasi. Komplikasi yang sering ditemukan yaitu infeksi sekunder. Prinsip dalam penatalaksanaan skabies yaitu mengeradikasi tungau dengan terapi farmakologis, mencegah penyebaran skabies, dan mengatasi komplikasi. Seorang anak 1 tahun 7 bulan dengan sindrom down dikonsulkan ke poli kulit dan kelamin RSUDP NTB dengan keluhan berupa bintik-bintik sejak 1 bulan yang lalu di bokong, kemaluan, sela jari kaki dan tangan, telapak tangan dan kaki, serta sekitar dada. Pasien lebih rewel, dan menggaruk bintik-bintik di malam hari. Terdapat keluarga yang mengalami keluhan serupa. Status lokalis lesi kulit berada di bokong, genitalia eksterna, thoraks, sela jari tangan dan kaki, serta telapak tangan dan kaki. Deskripsi lesi berupa papula-nodul disertai kanalikulus berwarna putih keabuan, berbatas tegas, lentikular, multipel, susunan diskret, dan distribusi regional disertai skuama. Selain itu terdapat pustul berwarna putih, berbatas tegas, bentuk milier, multipel, susunan diskret, dan distribusi regional disertai krusta. Pasien ini didiagnosis dengan skabies klinis dengan infeksi sekunder. Terapi kausatif yang diberikan kepada pasien yaitu krim permetrin 5%, serta diberikan terapi simtomatik dan infeksi sekunder. Selain mengobati pasien, pendekatan keluarga memiliki peran penting dalam mengeradikasi skabies.
HONRA AO MÉRITO FUTEBOLÍSTICO AMADOR: MEMÓRIAS DA INFLUÊNCIA DO FUTEBOL NA TRAJETÓRIA DO FUTEBOLISTA “RUSSO” EM PONTA GROSSA – PARANÁ
Authors: Freitas Junior Miguel Archanjo de , Freitas2 Josilene Aparecida Soares de , Freitas Junior Miguel Archanjo de
Published: November 2022

O objetivo do estudo foi analisar a influência do futebol na trajetória do futebolista Russo no campo futebolístico amador de Ponta Grossa. Para efetivar tal ação, foi necessário acessar as memórias deste agente, assim recorreu-se a história oral, que tem como principal alicerce a narrativa e busca aprofundar os conhecimentos sobre acontecimentos e conjunturas do passado através das experiências e versões particulares. No decorrer de sua trajetória Russo vivenciou a prática do futebol em diferentes interfases, entretanto foi no campo futebolístico amador de Ponta Grossa que ele acumulou o capital simbólico necessário para ocupar uma posição de destaque. Deste modo, em longo prazo, Russo foi instituído como um veterano do campo, reconhecimento fundamentalmente simbólico, mas por vezes objetivado, através de homenagens, como a que abre o estudo, denominada honra ao mérito futebolístico amador.
Prevalence of Hepatitis B infections and associated risk factors among pregnant women at Hawa Memorial Saviour Hospital in the Abuakwa North Municipality, Ghana
Authors: Shelter Agbeko Bobie  , Stephen Henry Afakorzi  , Stephen Manortey
Published: November 2022

Background: Hepatitis B virus infection is one of the most common public health problems worldwide. Over one million people globally are estimated to die annually of virus-related chronic liver disease. The routes of transmission include perinatal transmission at birth, unprotected sexual intercourse, injecting drugs, contaminated blood, and blood products, and through medical practices. In Ghana, there is a paucity of information about the prevalence of the Hepatitis B virus, its risk factors, knowledge, attitude, and practices among the population including pregnant women who are at higher risk of the infection. Methodology: This was a cross-sectional study conducted among a sample of 260 systematically selected pregnant women attending an Antenatal Clinic at Hawa Memorial Saviour Hospital in the Abuakwa North Municipality of the Eastern Region of Ghana. Demographic characteristics, risk factors, and respondents’ perceived knowledge, attitudes and practices on the disease were evaluated using a standardized structured questionnaire. Blood samples of participants were taken to determine their Hepatitis B seroprevalence using the HBV detection kit set device after the questionnaires were administered. Descriptive statistics were used to report on variables of key, while a Person’s Chi-Square test was employed to determine the association between selected variables and an outcome variable. Results: The seropositivity of Hepatitis B among pregnant women was 4.6% which is an intermediate endemicity. The majority of the study participants were between the age group 30-34years (35.38%). However, the study found that the infection rate was highest among age groups 20-24years (12%). The sociodemographic characteristics of the respondents in the study showed that only marital status (p< 0.05) was significantly associated with Hepatitis B infection. There was inadequate knowledge among respondents which was largely due to a low level of education on Hepatitis B infection at the Antenatal clinic of the Hospital. The study also found that respondents that are categorized as having low-risk levels had a seropositivity rate of 5.3% which is higher than the overall seropositivity rate of the study, and even though most people had good practices, Hepatitis B infection was highly prevalent among them. Conclusions: The study showed that Hepatitis B virus infection was highest (12%) among the age groups of 20-24 years. Only the respondents’ marital status (p<0.05) was noted to be significantly associated with infection. The detected inadequate knowledge, attitudes, and practices in the transmission and prevention of the disease call for full attention to the risk factor among respondents in the development of relevant policies and public health programs to address this important public health problem.
ANALISIS PENYEBAB KERUSAKAN TRANSFORMATOR MENGGUNAKAN METODE RCA (FISHBONE DIAGRAM AND 5-WHY ANALYSIS) DI PT. PLN (PERSERO) KANTOR PELAYANAN KIANDARAT
Authors: De Fretes Richard
Published: November 2022

PT PLN (Persero) ULP BULA merupakan salah satu unit pelayanan pelanggan dibawah PT PLN (Persero) UP3 Masohi. Berdasarkan hasil observasi awal, banyak terjadi kerusakan pada transformator seperti overload dan terjadi sparkover pada transformator-transformator distribusi yang dipasang sehingga mengakibatkan kerugian bagi konsumen. Tujuan penelitian ini adalah Untuk mengidentifikasi faktor utama terjadinya kerusakan pada Transformator di PT. PLN (Persero) Kantor Pelayanan Kiandarat dan rekomendasi tindakan perbaikan yang akan dilakukan untuk mengurangi kerusakan.. Metode analisis yang digunakan adalah metode Root Cause Analysis. Hasil penelitian menunjukan terdapat terdapat 2 faktor utama terjadinya keruskanan pada trafo yaitu, faktor internal yang di sebabkan dari dalam trafo itu sendiri yaitu ada beban pelanggan yang melebihi kapasistas dari transformator, kemudian juga disebabkan oleh kebocoran minyak isolasi serta ketidak seimbangan beban phasa. Faktor berikut adalah faktor eksternal yang disebabkan dari luar yaitu seperti tegangan tinggi yang disebabkan oleh cuaca ekstrim/ petir yang. Selain menambah kuatitas pengukuran transformator meletakan alat pengaman yang berupa overload relay pada setiap transformator yang dipasang pada setiap tiang transformator distribusi dan melakukan pengukuran yang berkala terhadap penyebab-penyebab lainnya, agar jika telah mencapai batas kerusakan dapat ditangani dengan segera sehingga tidak berdampak pada layanan konsumen. Mengadakan pemeliharaan yang teratur dan terkontrol terhadap komponen-komponen dari transformator distribusi secara berkala agar terjadi gangguan overload dapat mengantisipasi dengan cepat serta faktor dari luar juga ikut ambil dalam terjadinya kerusakan pada trafo, namun kita tidak akan tau kapan akan turun hujan atau tidak ataupun oetir yang dapat menaikan tegangan sehingga akan menambah beban pada transfomator, tetapi alangkah baiknya mempersiapkan diri untuk segala kondisi yang nantinya akan terjadi sehingga tidak menimbulkan kerugian bagi perusahaan maupun konsumen menyediakan alat.