bluuebunny/crossref_metadata_2025 huggingface dataset:
Profesi Guru Dalam Pendidikan
Authors: Rahmatullah
Published: April 2021

Profesi merupakan pekerjaan atau jabatan yang menuntut suatu keahlian tertentu sertamemiliki etika khusus dalam jabatan yang dilandasi pendidikan dan keahlian. profesimembutuhkan waktu pendidikan dan latihan yang khusus, yaitu harus adanya pembekalanketerampilan yang khusus dalam suatu bidang pekerjaan untuk memudahkan kinerjanya.Akan tetapi tidak semua pekerjaan atau jabatan dapat disebut profesi karena profesimenuntut keahlian, kepiawaian atau keahlian dalam mengoptimalkan ilmu pengetahuan,skill, waktu, tenaga, sember daya, serta sebuah strategi pencapaian yang bisa memuaskansemua golongan dalam ruang lingkup masyarakat. Profesi guru adalah profesi yang tidakterlalu banyak menuntut persyaratan khusus, profesi guru sebagai tenaga professional yangmampu meningkatkan kualitas sumber daya manusia. Guru sebagai tenaga profesionalberfungsi meningkatkan mutu pendidikan agar lebih baik serta mampu mengembangkanpendidikan secara optimal, guru mempengaruhi terciptanya proses dan hasil pendidikanyang berkualitas. Walaupun pada kenyataannya masih terdapat guru yang tidak memilikilatar belakang pendidikan bidang keguruan. Mereka diangkat sesuai dengan peraturanregulasi yang berlaku di lingkungan pemerintahan, penyelenggara, atau satuan pendidikan.Guru dimaksud harus memiliki kualifikasi akademik sekurang-kurangnya S-1/D-4 danbersertifikat pendidik agar memiliki kualitas pengajar yang baik
Prinsip Bimbingan dan Konseling
Authors: Ismail Nurul Fazila
Published: April 2021

Abstrak Bimbingan konseling membutuhkan suatu prinsip atau aturan main dalam menjalankan program pelayanan bimbingan. Menurut Prayinto dan Amti (1994:220) prinsip bimbingan konselingya itu rumusan prinsip-prinsip bimbingan dan konseling pada umumnya berkenaan dengan sasaran pelayanan, masalah klien, tujuan dan proses penanganan masalah, program pelayanan dan penyelenggaraan pelayanan.
Mode I Fracture in Nanocomposite Laminates within Multistage Traction-Separation Law
Authors: ghabezi pouyan , Farahani Mohammad Reza
Published: April 2021

The main focus of this work is to investigate and compare the effect of adding nanoparticles to composite laminates on fracture process zone characterization including bridging and cohesive laws according to a multistage traction-separation law. To do this, three different methods have been utilized (Corrected Beam Theory, Experimental Compliance Method and Modified Compliance Calibration) to calculate the energy release rates in Mode I fracture. The numerical investigation of mode I fracture in nanocomposite laminates was done based on the multistage traction-separation law derived from double cantilever beam tests.
Mental health, mitochondria, and the battle of the sexes
Authors: Bressan Paola , Kramer Peter
Published: April 2021

This paper presents a broad perspective on how mental disease relates to the different evolutionary strategies of men and women and to growth, metabolism, and mitochondria—the enslaved bacteria in our cells that enable it all. Several mental disorders strike one sex more than the other; yet what truly matters, regardless of one’s sex, is how much one’s brain is “female” and how much it is “male”. This appears to be the result of an arms race between the parents over how many resources their child ought to extract from the mother, hence whether it should grow a lot or stay small and undemanding. An uneven battle alters the child’s risk of developing not only insulin resistance, diabetes, or cancer, but a mental disease as well. Maternal supremacy increases the odds of a psychosis-spectrum disorder; paternal supremacy, those of an autism-spectrum one. And a particularly lopsided struggle may invite one or the other of a series of syndromes that come in pairs, with diametrically opposite, excessively “male” or “female” characteristics. By providing the means for this tug of war, mitochondria take center stage in steadying or upsetting the precarious balance on which our mental health is built.
Do mixed martial arts fighters with longer arms win more fights? A robustness analysis
Authors: Richardson Thomas
Published: April 2021

Richardson (2021, Evolutionary Behavioral Sciences) found that mixed martial arts fighters with longer arms won a greater percentage of their fights. The paper used linear regressions on percentage data, but a more appropriate analysis is to use Poisson regression to model the rate of wins. I find that the results of Richardson (2021) remain unchanged when these more robust methods are used.
The human factor between airborne pollen concentrations and COVID-19 disease dynamics
Authors: Betsch Cornelia , Sprengholz Philipp
Published: April 2021

In their seminal paper, Damialis and colleagues (2021, PNAS) report that, in early 2020, higher airborne pollen concentrations were related to higher COVID-19 infection rates. As a mechanism, the authors propose that “pollen exposure weakens the immunity … by diminishing the antiviral interferon response.” Although they assume an effect for the whole population, they speculate that it could be stronger for those with allergies. As a limitation, they acknowledge that they did not account for the countries’ testing strategies. As allergic people may be more likely to show symptoms that may be mistaken for those of COVID-19 (runny nose, headache, increased temperature), we explored whether people with allergies were more prone to get a rapid SARS-CoV-2 antigen test. Moreover, we assessed whether the test result was more likely to be positive among those with allergies.
Face masks bolsters the characteristics from looking at a face even when facial expressions are impaired
Authors: Lau Wee Kiat
Published: April 2021

Face masks impact social interactions because emotion recognition is difficult due to face occlusion by the masks. But is this enough to draw conclusions that face masks causes negative social interactions? We investigated the impact of face masks on invariant characteristics, trait-like characteristics, and emotional expressions for faces with and without face masks. Participants completed an online survey and rated masked and no-masked faces. The same face was only seen with or without a mask throughout the survey. According to the results, when compared to no-masked faces, participants faced difficulties rating emotional expressions for masked faces. Some expressions appeared less intense when viewed with face masks. Other characteristics received better ratings when the face was shown with masks. Post-hoc modelling revealed that ratings for masked faces could also predict ratings for no-masked faces, vice versa. This suggested that some aspects such as emotional expressions, were negatively impeded by face masks. However, not all aspects derived from viewing the face were affected the same way. This was because participants favored other characteristics for masked faces than for no-masked faces. Therefore, face masks did not necessarily impact social interactions negatively as only certain characteristics (i.e., emotional expressions) were difficult to evaluate. Future directions were proposed to expand the research.
The interpersonal neuroscience of social learning
Authors: Pan Yafeng , Novembre Giacomo , Olsson Andreas
Published: April 2021

The study of the brain mechanisms underpinning social behavior is currently undergoing a paradigm shift, moving its focus from single individuals to the real-time interaction among groups of individuals. Although this development opens unprecedented opportunities to study how interpersonal brain activity shapes behaviors through learning, there have been few direct connections to the rich field of learning science. Our paper examines how the rapidly developing field of interpersonal neuroscience is (and could be) contributing to our understanding of social learning. To this end, we first review recent research extracting indices of brain-to-brain coupling (BtBC) in the context of social behaviors, and in particular social learning. We then discuss how studying communicative behaviors during learning can aid the interpretation of BtBC, and how studying BtBC can inform our understanding of such behaviors. Importantly, we then discuss how BtBC and communicative behaviors collectively can predict learning outcomes, suggesting several causative and mechanistic models. Finally, we highlight key methodological and interpretational challenges, as well as exciting opportunities for integrating research in interpersonal neuroscience with social learning, and propose a multi-person framework for understanding how interpersonal transmission of information between individual brains shapes social learning.
MOLECULAR IDENTIFICATION OF PROTEOLITIC BACTERIA FROM MANGROVE SEDIMENT IN DUMAI MARINE STATION
Authors: Zebua Abdi Hikmat Petra , Nursyirwani Nursyirwani , Feliatra Feliatra
Published: April 2021

Proteolytic bacteria have an important role in the degradation of complex compounds to a simple compounds by the enzyme proteases. Sediment in the mangrove ecosystem of Dumai Marine Station may contain the bacteria. This research aims to identify the proteolytic bacteria of mangrove sediments molecularly and to examine the antagonism of pathogenic bacteria.  The method used in this research was a survey. The results obtained 10 bacterial isolates (AZ1, AZ2, AZ3, AZ4, AZ6, AZ10, AZ11, AZ15, AZ18, and AZ20). Identification using 16S rRNA analysis revealed that 3 isolates showed different results, namely AZ2 had a similarity to Bacillus proteolyticus with strain MCCC 1A00365, AZ6 had a similarity to the bacteria Bacillus monlinensis with strain BL4-6 and AZ20 had similarity to the bacterium Bacillus toyonensis with strain MCCC 1A00365 BCT-7112.  Three of the 10 isolates that had the highest inhibition against pathogens. Isolates AZ2 shovued inhibition zone against Pseudomonas aeruginosa with a diameter of 9.65 mm, AZ6 shovued inhibition zone against Escherichia coli bacteria with a diameter of 5.18 mm, and AZ20 shovued inhibition zone against Vibrio alginolyticus bacteria with a diameter of 4, 01 mm.
IDENTIFICATION MICROPLASTIC WASTE IN SEAWATER AND THE DIGESTIVE ORGANS OF SENANGIN FISH (E. tetradactylum) AT DUMAI CITY SEA WATERS
Authors: Mirad Awis , Yoswaty Dessy , Thamrin
Published: April 2021

The research was conducted on November 2019 with sampling at the sea waters of Dumai, Riau province. Further, analysis samples in the Marine Chemistry’s Laboratory on Marine Sciences Department in Fisheries and Marine Faculty University of Riau. Method used method of survey. The form of data collection is the primary data obtained from survey activities and observation data from samples that have been analyzed in the laboratory. The results of the study showed that the type of microplastic found in sea water and Senangin (E. Tetradactylum) is a type of microplastic fiber, fragments, and film. Microplastic pellet type was not finding in this research. The abundance of microplastics in seawater samples ranges from 333,3333-456,6667 particles/m3, while the abundance of microplastics in Senangin fish (E. tetradactylum) is 966,6667-1933,3333 particles/Ind.
ANALYSIS OF NITRATE, PHOSPHATE, AND SILICATE CONTENT AND THEIR EFFECTS ON PLANKTONIC ABUNDANCE IN THE ESTUARY WATERS OF BATANG ARAU OR PADANG CITY WEST SUMATRA PROVINCE
Authors: Wahyuni Weni Indah , Amin Bintal , Siregar Sofyan Husein
Published: April 2021

The entry of nutrients (nitrate, phosphate and silicate) from land-based anthropogenic activities (industry, agriculture and household waste) through rivers can potentially cause changes in water quality and will affect fertility and aquatic organisms such as phytoplankton. These three nutrients play an important role in the living tissue cells of living organisms and in the photosynthesis process. This study aims to analyze the effect of nitrate, phosphate and silicate content on the plankton abundance in the estuary of the Batang Arau River, Padang, West Sumatra. The method used is a survey method, the determination of the sampling station is done by purposive sampling, data were analysed by Excel and SPSS Software. Based on the results of laboratory analysis, the nitrate content ranged from 0,117 to 0,485 mg/l, phosphate content from 0,239 to 0,704 mg/l, and  silicate content from 0,031 to 0,685 mg/l. Planktonic diatom abundance in the estuary of the Batang Arau River ranges from 194 to 750 ind/l. The results of the statistical analysis of the effect of nitrate, phosphate and silicate with an abundance of diatoms are expressed by the equation Y = 743,019 - 481,828Nitrate - 199,552Phosphate - 172,971Silicate. This equation explains that the effect of nitrate, phosphate and silicate content on diatom abundance has an inverse or negative relationship, where nitrate, phosphate and silicate levels increase, the diatom abundance will decrease. The difference of content and the relationship between parameters analyzed in this research are discussed.
RELATIONSHIP OF NITRATE AND PHOSPHATE CONCENTRATION ON PHYTOPLANKTON PRIMARY PRODUCTIVITY IN DUMAI RIVERS OF RIAU PROVINCE
Authors: Syafrizal  , Nurrachmi Irvina , Efriyeldi Efriyeldi
Published: April 2021

This research was conducted in January 2020 in the waters of the Sembilan Dumai River which aims to determine the concentration of nitrate and phosphate on the primary productivity of phytoplankton. The research method used in this research is the survey method while the determination of the research station was done by technic purposive sampling. The results showed that the average nitrate concentration ranged from 0.0194 - 0.0749 mg/l and the average phosphate concentration ranged from 0.1452 - 0.8502 mg/l. There are 6 classes of phytoplankton found in the waters of the Sembilan Dumai River, namely Bacillariophyceae, Cocinodiscophyceae, Chroococcophyceae, Cyanophyceae, Cyanobacteria and Xanthophyceae. The results of phytoplankton abundance calculations ranged from 74.07 - 280.09 Ind/L. The primary productivity value of phytoplankton for gross primary productivity ranged from 62.5 - 104.16 mgC/m2/jam, respiration values ​​ranged from 20.83 - 41.66 mgC/m2/jam and the net primary productivity value ranged from 41.67 - 72.91 mgC/m2/jam. The results of the multiple linear regression test for the relationship between nitrate and phosphate on the primary productivity of phytoplankton at each station are shown by the mathematical equation Y = 60.18 + (-233,19,35) x and Y = 60.18 + 30.44x with the coefficient of determination ( R2) = 0.140 and (R2) = 0.226 and the correlation coefficient (r) = 0.631, the mathematical equation states that the relationship between nitrate and phosphate on the primary productivity of phytoplankton is strong.
PENGARUH SENAM ANTI STROKE TERHADAP TEKANAN DARAH PENDERITA HIPERTENSI
Authors: Melati Mima , Utomo Wasisto , Agrina Agrina
Published: April 2021

Hipertensi merupakan suatu peningkatan tekanan darah yang tidak normal secara terus menerus lebih dari satu periode yang dapat terjadi karena jantung bekerja lebih keras untuk memompa darah ke seluruh tubuh. Tujuan penelitian ini adalah untuk mengetahui pengaruh senam anti stroke terhadap tekanan darah penderita hipertensi. Penelitian ini menggunakan metode quasy experiment dengan pendekatan non-equivalent control group. Pengambilan sampel menggunakan tenik purposive sampling dengan jumlah responden 34 orang, terdiri dari kelompok eksperimen dan kelompok kontrol. Kelompok eksperimen diberikan intervensi senam anti stroke selama 30 menit sebanyak 6 kali dalam waktu 2 minggu. Kelompok kontrol tidak diberikan intervensi. Tekanan darah diukur sebelum dan sesudah diberikan intervensi. Alat ukur yang digunakan adalah sphygmomanometer digital dan lembar observasi. Analisis data yang digunakan adalah analisis univariat dan analisis bivariat dengan menggunakan uji dependent t test dan independent t test. Hasil uji statistik menunjukkan penurunan tekanan darah sistolik dan diastolik secara signifikan pada kelompok eksperimen dengan p value 0,000 dan 0,001 (p<0,05). Hasil uji statistik rata-rata tekanan darah sistol sesudah intervensi pada kelompok eksperimen dan kontrol diperoleh p value 0,000 (p<0,05) dan rata-rata tekanan darah diastol sesudah intervensi pada kelompok eksperimen dan kontrol diperoleh p value 0,000 (p<0,05). Kesimpulan hasil penelitian menunjukkan bahwa senam anti stroke dapat menurunkan tekanan darah pada penderita hipertensi. Berdasarkan hasil penelitian tersebut disarakan agar dapat mengaplikasikan senam anti stroke untuk menurunkan tekanan darah
MULTILINGUALISME DI DUA DAYA TARIK WISATA IKONIK DI KAWASAN BANDUNG UTARA
Authors: Abdullah Cep Ubad , Wulung Shandra Rama Panji
Published: April 2021

ABSTRAKPentingnya multilingulisme pada aktivitas pariwisata dipicu oleh adanya hambatan komunikasi dan budaya antara pengelola daya tarik wisata dengan wisatawan. Penelitian ini bertujuan untuk mengidentifikasi program-program yang telah dilakukan oleh pengelola daya tarik wisata di Kawasan Bandung Utara. Penelitian ini dilakukan selama empat bulan di tahun 2020 dan dilaksanakan di kawasan pariwisata di Bandung Utara yang difokuskan pada dua daya tarik ikonik yaitu Taman Wisata Alam Gunung Tangkubanparahu dan Tebing Keraton. Penelitian ini menggunakan pendekatan kualitatif dengan menggunakan data primer dan sekunder. Data primer didapatkan melalui observasi lapangan dan wawancara dengan pengelola dua daya tarik wisata. Data sekunder didapatkan melalui penelitian terdahulu, kebijakan pemerintah setempat, dan media digital melalui situs web dan media sosial. Metode analisis menggunakan analisis deskriptif kualitatif melalui tahapan analisis sebelum di lapangan, reduksi data, penyajian data, dan penarikan kesimpulan. Hasil penelitian menunjukkan bahwa daya tarik wisata Tebing Keraton dan TWA Tangkubanparahu memiliki komunikasi multi bahasa melalui media daring dan luring. Pesan yang disampaikan mengenai kondisi, posisi, dan peraturan bagi wisata selama di daya tarik wisata. Kata kunci:      Daya tarik wisata, Gunung Tangkubanparahu, Multilingualisme, Tebing Keraton ABSTRACTThe importance of multilingualism in tourism activities is due to communication and cultural barriers between managers of tourist attractions and tourists. This study aims to identify programs that have been carried out by managers of tourist attractions in the North Bandung area, Indonesia. This study had been for four months in 2020 and carried out in a tourism area in North Bandung which focused on two iconic attractions, namely the Tangkubanparahu Mountain Nature Tourism Park and the Tebing Keraton. This study used a qualitative approach featuring primary and secondary data. The primary data were obtained through observations and interviews with managers of two tourist attractions., while the secondary data were obtained through previous research, local government policies, and digital media through websites and social media. In the meantime, the method of analysis used qualitative descriptive analysis through the stages of analysis before coming to the field, data reduction, data presentation, and conclusion drawing. The results showed that the tourist attractions of Tangkubanparahu Mountain Nature Tourism Park and Tebing Keraton have multi-language communications through online and offline media. The message conveyed was regarding the conditions, position, and regulations for the tour while at the tourist attraction. Keywords:       Multilingualism, Mount Tangkubanparahu, Tebing Keraton, Tourist Attraction
Book Publishing in the Humanities and Social Sciences in Australia, Part Two: Author Motivation, Audience, and Publishing Knowledge
Authors: Mrva-Montoya Agata
Published: April 2021

This is part two of a study drawing on semi-structured interviews with twenty-one academics working in the humanities and social sciences at Australian universities. Part two explores why academics write books, who their target audience is, how they learned about publishing, and how they share their knowledge with others. I use self-determination theory to analyze their motives for publishing books. The interviews revealed that academics publish books primarily to share knowledge with other academics, to build their reputation, and to advance their career. These intrinsic motives (enjoyment and satisfaction) and extrinsic motives (success and reputation) are intertwined, and their relative importance evolves over an academic’s career. In the past, authors learned about book publishing primarily from experience, but today there are more formal and informal opportunities to acquire publishing knowledge.
PHOTOPHYSICAL AND PHOTOCHEMICAL SYSTEMS WITH SEMICONDUCTORS FOR THE CONVERSION OF SOLAR ENERGY. A REVIEW
Authors:   Departamento de Física. Facultad de Ciencias Exactas y Naturales. Universidad Nacional de Catamarca, Catamarca, Argentina, Filippin F. A. , Fasoli H. J. ,   Departamento de Física. Facultad de Ciencias Exactas y Naturales. Universidad Nacional de Catamarca, Catamarca, Argentina.   Facultad de Ingeniería y Ciencias Agrarias. Universidad Católica Argentina, Ciudad de Buenos Aires, Argentina
Published: April 2021

Electrochemical energy sources are an alternative to replace technology based on the burning of fossil fuels. In an elec-trochemical system the potential drop spreads over a very narrow region at an interphase, creating high electric fields.So, there are good technological reasons to study semiconductor / electrolyte interphases. Currently, one of the ways touse renewable resources is through photovoltaic technology that directly converts solar radiation into electrical energy.This technology is manufactured from semiconductors, generally silicon, following an extremely careful and expensivemanufacturing procedure. An option for photovoltaic devices is photoelectrochemical cells.These cells are made bythe contact of a semiconductor electrode with a solution, which can be easily prepared and offers the possibility oflow-cost manufacturing. Understanding how these devices work requires knowledge of the characteristics of semicon-ductors and how these materials behave in contact with an electrolytic solution and under illumination by sunlight. Thepresent work describes, through an updated review, the principles and applications of semiconductor electrodes as themain components in a photoelectrochemical solar cell (PEC), to carry out chemical reactions of technological interest.In addition, the elements that are required for the improvement in the performance and construction of the PEC are discussed.
SELF-REGULATED LEARNING IN ENGINEERING STUDENTS: STRATEGIES FOR PEDAGOGICAL RESOURCE
Authors:   Universidad de la Defensa Nacional, Facultad de Ingeniería del Ejército, Escuela Superior Técnica Grl. Div. Manuel N. Savio, C.A.B.A., Argentina., Miná V. , Silvestre M. ,   Universidad de la Defensa Nacional, Facultad de Ingeniería del Ejército, Escuela Superior Técnica Grl. Div. Manuel N. Savio, C.A.B.A., Argentina., Otero L. ,   Universidad de la Defensa Nacional, Facultad de Ingeniería del Ejército, Escuela Superior Técnica Grl. Div. Manuel N. Savio, C.A.B.A., Argentina.  Centro de Investigaciones en Láseres y Aplicaciones (CEILAP), UNIDEF (CITEDEF - CONICET), Villa Martelli, Buenos Aires, Argentina.
Published: April 2021

This paper presents some findings of the investigation "Self-regulated learning in engineering students of the Army Engineering Faculty (FIE)". The central theoretical contributions on the “self-regulation of learning” comes from theconceptual approaches of Zimmerman and Pintrich since they allow the understanding of the processes that takes placein the control of: thoughts, feelings, motivations and actions for the achievement of the learning objectives.It was found that to achieve this self-regulation in their learning, the students in this sample developed strategies throughwhich they manage and internalize resources from the academic environment. They are grouped into two large catego-ries: group study and the use of elements of the environment. The dynamics of conformation and functioning of work incollaborative study teams are similar among students. In addition, they describe the progressive use of elements of theinstitutional environment: study spaces, materials, technologies, institutional devices and also codes and dynamics ofsocial interaction typical of this faculty. The achievement of self-regulation implies the progressive incorporation of theresources of the academic context and this is a process that demands time and effort from the student. The acquisitionof self-regulation is evidence of the solid construction of the student ́s craft and a successful educational affiliation tothe university context.
Cervical Spine Myelopathy from Metalloma Association with Chronic Retention of a Bullet
Authors: Bintachitt Piyawat , Chamnan Ratanaphorn , Chaiyamongkol Weera , Liawrungrueang Wongthawat
Published: April 2021

A Civilian gunshot wound associated with metallosis in the cervical spine region was an extremely rare case; hence, the clinician had difficulty with diagnosis and surgical treatment.      A 57–year-old gentleman had a history of a gunshot wound injury going back 30 years. He presented with neck pain, progress of paresthesia of upper extremities and progressively difficult ambulation for 3 months. Radiographic and pathological diagnosis from tissue of the 7th paravertebral of the cervical spine showed foreign bodies consistent with metallosis. The patient showed improvement of symptoms after posterior cervical spine fixation and decompression. He had full recovery at 1 year follow up.      Metallosis can occur in cases of chronic exposure to lead and metals. The results of this chronic process of metallosis will develop to metalloma, which then compresses the spinal cord and develops into myelopathy. The patient had a bullet, or piece of metal at the cervical spine, so surgical removal was performed to prevent further compression of the spinal cord from metalloma.
Lasupply chainsanté est aussi une affaire d’État !
Authors: Sampieri-Teissier Nathalie , Camman Christelle , Livolsi Laurent
Published: April 2021

La crise de la Covid-19 a mis en lumière l’existence d’une véritablesupply chain(SC) santé, avec ses atouts et faiblesses, ses acteurs et son pilotage. Sur la base du modèle de Hirschman, cette situation de gestion, analysée comme un cas unique, nous donne l’occasion de décrypter le travail institutionnel en marche dans le système de santé et de proposer une SC santé plus agile et partagée, qui intègre le soin au cœur des logiques institutionnelles.
Crise sanitaire et technocratie
Authors: Chatelain-Ponroy Stéphanie , Deville Aude
Published: April 2021

Lors de la crise sanitaire liée à la Covid-19 de nombreuses tribunes ont été publiées sur l’état de l’hôpital public et ses difficultés. À cette occasion, les analystes ont souligné combien « la gestion » et notamment les dispositifs de contrôle de gestion étaient en grande partie responsables des maux de l’hôpital public. Mais les perceptions des acteurs que nous avons collectées dans le quotidien Le Monde montrent que ceux-ci confondent contrôle de gestion et contrôle bureaucratique par les résultats.
L’apport de la théorie de la conception à la gestion de crise
Authors: Collectif
Published: April 2021

Une recherche intervention conduite lors de la première vague de l’épidémie de Covid-19 a permis de montrer que la mise en œuvre de la théorie de la conception dans des situations de gestion de crise permet de faire émerger des formes opérationnelles inédites. L’article montre comment un acteur collectif doté d’une rationalité inventive constitue une « war room créative et activatrice » capable de soutenir, articuler voire initier les forces créatives sinon dispersées. Cette forme de gestion de crise est notamment comparée aux cellules de commandement classiquement décrites dans la littérature.
In memory of professor s.i. jupina: critical analysis of his creative work
Authors: Smirnov Р. N.
Published: April 2021

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Integrated system for organizing effective biotechnical protection of siberian roe deer (capreolus pygargus) in a specially protected natural area
Authors: Ermolik V. В. , Smirnov Р. N.
Published: April 2021

To preserve the Siberian roe deer, the most vulnerable species of the deer family, in conditions of high snow conditions, integrated methods of its biotechnical protection are necessary. The involvement of fallow lands in the biotechnical crop rotation, the creation of large forage areas is the basic basis for the conservation of this biological species in the anomalously critical periods of the winter cycle.
Functional components of non-traditional raw materials in the design of bakery products
Authors: Betz Yu. A. , Naumova N. L. , Minashina I. N.
Published: April 2021

Wheat bread remains in the diet not only of Russians, but also of the population of other countries as a daily product, which makes it possible to consider it as an object for modifying the chemical composition and nutritional value in order to give it functional, dietary, or therapeutic and prophylactic properties. The purpose of the research is to study the composition of the functional components of non-traditional types of flour used in wheat bread technology in order to establish the effectiveness of their use. The objects of research were: bakery wheat flour of the highest grade, walnut flour, peanut flour, coconut flour. The analysis of organoleptic, physicochemical indicators and nutritional value of wheat bakery flour and various types of flour from walnut is carried out. An acceptable sensory compatibility of the studied raw material was established. Replacing a part of wheat flour in the recipe of bakery products with raw materials from peanuts or walnuts is a reasonable condition for eliminating the deficiency of dietary fiber in them. Increasing the biological value of products and the content of polyunsaturated fatty acids in it due to the use of peanut and coconut flour is of undeniable nutritional value. The source of phosphorus and copper can be considered flour from walnuts and peanuts; iron and selenium – walnut and coconut flour; magnesium and calcium – walnut flour. In a practical way, the effectiveness of replacing wheat flour in the recipe of bakery products with raw materials from nut-bearing raw materials has been established to increase the content of functional food ingredients in finished products.
Problems of blood leukemoid reactions in farm animals and birds
Authors: Smirnov Р. N. , Trostyansky I. V. , Kotlyarovа О. S. , Vdovinа G. V. , Batalova S. V. , Efanova N. V. , Osina L. M. , Borisenko E. A. , Zhuchaev К. V. , Zhuravleva О. V. , Kokorev М. S.
Published: April 2021

The problem of the formation of leukemoid reactions in cattle is considered. It is noted that such changes in the morphological composition of blood are most often characterized by a decrease in the quantitative content of lymphocytes while increasing the concentration of microphages (neutrophils). With the elimination of the cause that caused the manifestation of the leukemoid reaction of the blood, the morphological composition of the peripheral blood is restored to normal.
Nghiên cứu thực nghiệm hiệu quả gia cường kháng uốn của dầm bê tông cốt thép bị ăn mòn bằng tấm sợi composite CFRP
Authors: Anh Trần Hoài , Giang Nguyễn Hoàng , Tân Nguyễn Ngọc
Published: April 2021

Ăn mòn cốt thép là một trong những nguyên nhân chính gây ra những hư hỏng, giảm khả năng chịu lực cũng như tuổi thọ của các công trình thực tế. Bài báo trình bày các kết quả thực nghiệm thu được trên sáu dầm BTCT có các kích thước 150 × 200 × 2200 mm, trong đó bốn dầm bị gia tốc ăn mòn bằng phương pháp điện hóa. Các dầm ăn mòn có mức độ ăn mòn cốt thép trung bình trong khoảng từ 9% đến 10% dựa trên khối lượng kim loại bị mất đi do ăn mòn. Các dầm thí nghiệm được chia làm ba nhóm mẫu, mỗi nhóm gồm hai dầm có cùng trạng thái như sau: (i) nhóm dầm đối chứng, (ii) nhóm dầm ăn mòn, không gia cường, (iii) nhóm dầm gia cường bằng phương pháp dán tấm sợi CFRP. Mối quan hệ giữa tải trọng và độ võng của từng dầm đã được xác định thông qua thí nghiệm uốn bốn điểm. Những kết quả thu được cho phép phân tích ứng xử uốn của dầm dưới tác động của quá trình ăn mòn cốt thép do xâm nhập của các ion clorua và xác định hiệu quả gia cường kháng uốn bằng phương pháp dán tấm sợi CFRP đối với dầm ăn mòn.

Từ khóa:

dầm bê tông cốt thép; ứng xử uốn; ăn mòn cốt thép; tấm sợi CFRP; gia cường.
Ảnh hưởng của mức độ liên kết kháng cắt đến ứng xử uốn của dầm liên hợp thép – bê tông sử dụng liên kết kháng cắt dạng Perfobond: Phương pháp thực nghiệm
Authors: Nhân Lê Văn Phước , Vinh Bùi Đức , Duy Hồ Đức , Sơn Lê Thái , Tín Lưu Trần Hữu
Published: April 2021

Hai mẫu dầm liên hợp kích thước lớn sử dụng liên kết Perfobond được thí nghiệm để khảo sát ứng xử uốn của dầm. Dầm thép có tiết diện T ngược và liên kết kháng cắt dạng Perfobond được gắn với nhau dọc theo chiều dài dầm liên hợp thép – bê tông. Phần thép và Perfobond được làm từ thép SS400, phần bê tông được chế tạo bằng bê tông C60/75. Sự khác nhau giữa hai dầm liên hợp thép – bê tông là số lỗ liên kết trong liên kết kháng cắt dạng Perfobond. Một dầm được bố trí 10 lỗ liên kết và dầm kia được bố trí 22 lỗ liên kết trong mỗi dầm. Mục tiêu của nghiên cứu nhằm đánh giá ảnh hưởng của mức độ liên kết đến ứng xử uốn của dầm liên hợp thép – bê tông sử dụng liên kết kháng cắt dạng Perfobond, như: khả năng chịu tải, chuyển vị, biến dạng tương đối giữa dầm thép và bản bê tông, các dạng phá hoại của dầm liên hợp. Kết quả thực nghiệm cho thấy hình thái liên kết ảnh hưởng đáng kể đến ứng xử uốn của dầm liên hợp thép – bê tông.

Từ khóa:

dầm liên hợp; liên kết kháng cắt; liên kết kháng cắt Perfobond; mức độ liên kết; biến dạng trượt tương đối; ứng xử uốn.
Nghiên cứu thiết kế bộ tời cứu hộ cá nhân
Authors: Giang Dương Trường , Tịnh Nguyễn Văn , Đăng Nguyễn Thiệu Trần
Published: April 2021

Khi xảy ra sự cố trong các tòa nhà cao tầng, như cháy nổ bên trong toà nhà, cháy có thể chia cắt các tầng, dẫn đến thang máy, thang thoát hiểm bên trong không sử dụng được. Ở các thành phố lớn, đặc biệt là ở Việt Nam một số khu vực điều kiện kỹ thuật không đảm bảo cho lực lượng chữa cháy với phương tiện kỹ thuật chuyên nghiệp như xe thang không thể tiếp cận được. Việc phát triển thiết bị cứu hộ cá nhân để mỗi hộ gia đình sinh sống trong các tòa nhà cao tầng có thể tự trang bị và tự thoát hiểm là cần thiết. Trên cơ sở các nghiên cứu trước đó, bài báo đề xuất cấu tạo và nguyên lý làm việc của một bộ tời cứu hộ cá nhân, tính toán thiết kế và khảo sát các thông số động học chính trong quá trình làm việc. So với các thiết bị cứu hộ cá nhân khác về nguyên lý và cấu tạo, bộ tời đảm bảo kết cấu gọn và nhẹ, có cả hai chức năng nâng và hạ. Mặt khác nếu so sánh về công dụng thì bộ tời có thể được sử dụng như một thiết bị cứu hộ cá nhân đối với một người khỏe mạnh bình thường và nó cũng là một bộ phận của bộ tời đồng bộ khi kết hợp với giỏ thang và thang tháo lắp nhanh. Những kết quả khảo sát động lực học quá trình hạ trong bài báo đã đánh giá về độ an toàn và sự phù hợp của các thông số động học đối với người được cứu hộ khi sử dụng bộ tời thiết kế.

Từ khóa:

cứu hộ; bộ tời; giỏ nâng; phanh an toàn; động lực học.
Extended Case Method (ECM) in social and cultural research
Authors: Firdaus Firdaus , Shalihin Nurus
Published: April 2021

This article aims to introduce the Extended Case Method (ECM) as an approach to qualitative social research. As an approach, the ECM rooted in the ethnography approach in the anthropological tradition and developed in the sociological tradition research. With reference to Michael Buroway (1998) as a developer of ECM and some articles that used ECM as a method, this paper outlines the basic concepts of ECM, their advantages and infirmity, and the application of theories in social research by using ECM. As an extended case, there are four aspects that extend on ECM, namely intervention, processes, structuration, and reconstruction (theory). The advantage of ECM is their four extending. Rather than the infirmity of ECM rooted from their advantage, namely domination, silencing, objectification, and normalization. The use of theory in ECM was carried out from the beginning to the end of the study. Base on their characteristics, ECM very feasible to use to understanding borderless society and ambiguity of case study on research of social science in general, and ethnography especially.
Вплив щільності сітки нагнітальних свердловин на регулювання процесу обводнення газоконденсатних покладів шляхом нагнітання діоксиду вуглецю
Authors: Matkivskyi S. V.
Published: April 2021

Використовуючи цифрову тривимірну модель газоконденсатного родовища, досліджено вплив щільності сітки нагнітальних свердловин на регулювання процесу обводнення родовища під час нагнітання діоксиду вуглецю в продуктивні поклади на межі початкового газоводяного контакту. Згідно з результатами моделювання встановлено, що видобуток пластової води зі збільшенням щільності сітки нагнітальних свердловин зменшується. У разі використання чотирьох нагнітальних свердловин для нагнітання діоксиду вуглецю в продуктивні поклади накопичений видобуток пластової води на кінець розробки становить 169,71 тис. м3. Зі збільшенням щільності сітки нагнітальних свердловин до 16 одиниць накопичений видобуток пластової води скорочується до 0,066 м3. Такий результат досягається завдяки повнішому охопленню діоксидом вуглецю периметра газоносності та створенню надійного штучного бар’єра між водою й природним газом, який забезпечує ефективне блокування просування пластових вод у газонасичені інтервали продуктивних горизонтів. Зниження активності водонапірної системи зумовлює стабільну експлуатацію видобувних свердловин упродовж тривалішого періоду дорозробки покладу. На основі результатів проведених розрахунків визначено максимальне значення кількості нагнітальних свердловин на момент прориву діоксиду вуглецю до видобувних свердловин, яке становить 6,41 (6) свердловин. Прогнозний ступінь вилучення природного газу для наведеного максимального значення кількості нагнітальних свердловин становить 64,05 %, а в разі розроблення покладу на виснаження – 51,72 %. Результати проведених досліджень свідчать про технологічну ефективність нагнітання діоксиду вуглецю в продуктивні поклади на межі початкового газоводяного контакту з метою зниження активності водонапірної системи та збільшення ступеня вилучення природного газу для умов конкретного покладу.
RECOGNITION OF IDENTIFICATION DATA OF BANK CARDS
Authors: Spabekova Zh. H. , Karelova A. G. , Qami A. E. , Abilkaiyr Z. S.
Published: April 2021

This article describes the recognition of bank card information. Recognizing an object with a camera is one of the most important tasks at the moment. Recognizing credit card data at the same time is a rather complex algorithmic task, but at the moment the implementation of this task is very relevant and in-demand due to the increase in the number of payment transactions via mobile devices. The implementation of this task can save a person from having to enter most of the data when making online payments. The fundamental difficulties of this problem are discussed and methods for solving it are proposed. The problem under consideration is solved for the case of application on mobile devices, which imposes strict requirements for computational complexity. The article presents the results of a formal analysis of the performance and accuracy of the proposed algorithm. The error spectrum of the recognition system as a whole shows that the proposed algorithm solves the problem with the required accuracy. The main question that was investigated at this work: is it possible to use the Tesseract OCR library for text recognition from video images, for example, timecode? That is, digital time data embedded in the footage images. This is important for the automation of individual procedures for video technical expert studies. Object recognition by the camera is one of the most important tasks at the moment. The fundamental difficulties of this problem are discussed and methods for its solution are proposed. The article presents the results of a formal analysis of the performance and accuracy of the proposed algorithm. The spectrum of errors of the recognition system as a whole shows that the proposed algorithm solves the problem with the required accuracy.
BAR CODE RECOGNITION IN STRONG DISTORTED AND LOW-RESOLUTION IMAGES
Authors: Mazakov T. Zh. , Abilkaiyr Zh. S.
Published: April 2021

Almost all products and items that exist on the market today have a unique code or identifier associated with them. We call this special identifier a barcode. Barcode detection is very common and is a necessity today as it makes our job easier. You can simply scan the code and easily get all the product information. Barcodes are still the prevalent machine-readable encoding mechanism for most products and services. At this stage of development, the barcode was quite common. Most items and products present in the household now have their own unique barcodes. They can be scanned and easily get all the necessary information, such as price, product details and description. There are even various apps available to scan the barcode through our phones. This is due to the high-quality pixel cameras that are present in all iPhones, android devices, or windows phones. Today, a wide range of portable devices for general use, such as mobile phones, come with an optical imaging system. Providing these general-purpose portable devices with barcode recognition is a cost-effective alternative to conventional barcode scanners. The equipment is available to billions of people. Combined with new services, this could revolutionize day-to-day shopping, including checking in-store prices, getting product information, accessing product reviews, finding similar products and services, and comparing prices locally. Detecting barcodes in images captured by general-purpose portable devices is particularly challenging due to the limitations of the integrated imaging system and on-device processing capabilities. These devices often have lower quality lens systems and lower resolution imaging circuits when compared to dedicated digital cameras. The optical system is often not designed for shooting close to the lens, resulting in out-of-focus and poorly lit images with rich colors. These limitations often mean that using conventional threshold detection methods cannot create a suitable template for barcode recognition. These limitations need to be considered in an algorithm that can invariably be implemented on a wide variety of portable devices. Barcode reading must be resistant to harsh conditions such as blur, noise, low resolution or low-quality camera lenses, which are very common. Surprisingly, even the most advanced barcode reading algorithms fail when some of these factors come into play. In this article, we present a new approach to barcode image detection. Our algorithm is specially designed to recognize barcodes when an image may be of low resolution, low quality, or suffer from significant blur, defocus, uneven lighting, noise and color saturation. The algorithm is accurate, fast, scalable and can be easily configured to find a valid result within a time constraint. Our algorithm is useful for real-time barcode recognition on handheld devices with limited processing capabilities such as mobile phones.
DEVELOPMENT OF BIOMETRIC METHODS AND INFORMATION SECURITY TOOLS
Authors: Mazakov T. Zh. , Narynbekovna D. N.
Published: April 2021

Now a day’s security is a big issue, the whole world has been working on the face recognition techniques as face is used for the extraction of facial features. An analysis has been done of the commonly used face recognition techniques. This paper presents a system for the recognition of face for identification and verification purposes by using Principal Component Analysis (PCA) with Back Propagation Neural Networks (BPNN) and the implementation of face recognition system is done by using neural network. The use of neural network is to produce an output pattern from input pattern. This system for facial recognition is implemented in MATLAB using neural networks toolbox. Back propagation Neural Network is multi-layered network in which weights are fixed but adjustment of weights can be done on the basis of sigmoidal function. This algorithm is a learning algorithm to train input and output data set. It also calculates how the error changes when weights are increased or decreased. This paper consists of background and future perspective of face recognition techniques and how these techniques can be improved.
TRANSLATIONAL-ROTATIONAL MOTION OF A NONSTATIONARY AXISYMMETRIC BODY
Authors: Minglibayev M. Zh. , Bizhanova S. B.
Published: April 2021

A nonstationary two-body problem is considered such that one of the bodies has a spherically symmetric density distribution and is central, while the other one is a satellite with axisymmetric dynamical structure, shape, and variable oblateness. Newton’s interaction force is characterized by an approximate expression of the force function up to the second harmonic. The masses of the central body and the satellite vary isotropically at different rates and do not occur reactive forces and additional rotational moments. The nonstationary axisymmetric body have an equatorial plane of symmetry. Thus, it has three mutually perpendicular planes of symmetry. The axes of its intrinsic coordinate system coincide with the principal axes of inertia and they are directed along the intersection lines of these three mutually perpendicular planes. This position remains unchangeable during the evolution. Equations of motion of the satellite in a relative system of coordinates are considered. The translational- rotational motion of the nonstationary axisymmetric body in the gravitational field of the nonstationary ball is studied by perturbation theory methods. The equations of secular perturbations reduces to the fourth order system with one first integral. This first integral is considered and three-dimensional graphs of this first integral are plotted using the Wolfram Mathematica system.
An Incentive-Compatible Combinatorial Auction Design for Charging Network Scheduling of Battery Electric Vehicles
Authors: Hou Luyang , Wang Chun , Yan Jun
Published: April 2021

Charging network scheduling for battery electric vehicles is a challenging research issue on deciding where and when to activate users’ charging under the constraints imposed by their time availability and energy demands, as well as the limited available capacities provided by the charging stations. Moreover, users’ strategic behaviors and untruthful revelation on their real preferences on charging schedules pose additional challenges to efficiently coordinate their charging in a market setting, where users are reasonably modelled as self-interested agents who strive to maximize their own utilities rather than the system-wide efficiency. To tackle these challenges, we propose an incentive-compatible combinatorial auction for charging network scheduling in a decentralized environment. In such a structured framework, users can bid for their preferred destination and charging time at different stations, and the scheduling specific problem solving structure is also embedded into the winner determination model to coordinate the charging at multiple stations. The objective is to maximize the social welfare across all users which is represented by their total values of scheduled finishing time. The Vickrey–Clarke–Groves payment rule is adopted to incentivize users to truthfully disclose their true preferences as a weakly dominant strategy. Moreover, the proposed auction is proved to be individually rational and weakly budget balanced through an extensive game-theoretical analysis. We also present a case study to demonstrate its applicability to real-world charging reservation scenarios using the charging network data from Manhattan, New York City.