bluuebunny/crossref_metadata_2025 huggingface dataset:
Do the highest-paid CEOs affect the accounting conservatism? An empirical investigation in France
Authors: Aguir Amal , Alqatan Ahmad , Bzeouich Bilel
Published: April 2021

Based on 1575 firms-year observations from French companies listed on the Paris stock exchange from 2009 to 2017, this research study investigates the linkage between accounting conservatism and highest-paid chief executive officers (CEOs) and if this linkage increases as executive remuneration-performance sensitivity increases. The study’s findings show that there is a negative association between accounting conservatism and highest-paid CEOs. These findings suggest that the highest-paid CEOs can manage and restrict managerial accounting choices for their own gains, and, in turn, this has a negative effect on accounting conservatism. Firstly, in order to achieve generally discretionary goals, they distort the accounting figures by overvaluing their companies’ gains. Secondly, the negative linkage between accounting conservatism and highest-paid CEOs increases when they receive greater remuneration incentives for accounting performance. These findings indicate that powerful CEOs are incentivized to adjust earnings since the greater incentives help them to inflate their companies’ accounting results; to distort accounting performance, and provide investors with misleading information. In turn, such actions generate the ex-post settling up problems and end, unfortunately, in fraudulent behaviors. This study contributes to the literature that studies the relationship between accounting conservatism and the highest-paid senior executives in order to identify accounting conservatism (Iwasaki, Otomasa, Shiiba, & Shuto, 2018; Li, Henry, & Wu, 2019; Haider, Singh, & Sultana, 2021).
Proposing Blue Sukuk in Indonesia: An Interpretive Structural Model
Authors: Rusydiana Aam Slamet , Irfany Mohammad Iqbal
Published: April 2021

This research aims to identify the priority factors that being barriers to issue and develop Islamic blue sukuk in Indonesia. Employing the Interpretive Structural Modeling (ISM) method, it also offers several solutions for the identified problems. As an advanced planning methodology, ISM is used to identify, analyze, and summarize various relationships among factors that define a problem, model, or issue. In the ISM framework, there are three criteria of blue sukuk development in Indonesia including (1) aspect or foundation required within the framework of developing blue sukuk; (2) infrastructure that will be used as a basis for sukuk issuance (underlying projects); and (3) stakeholders involved in the development of blue sukuk in Indonesia. Results show that important foundations needed in the development of blue sukuk are regulatory aspects, feasible underlying projects, investors, and inter-institutional coordination, respectively. Finally, possible underlying infrastructures for the issuance of Blue Sukuk are the development of integrated fishing villages as well as the procurement of large and environmentally friendly fishing boats.
Structural and allergenic properties of the Fatty Acid Binding Protein from shrimp Litopenaeus vannamei
Authors: Munera Marlon , Martinez Dalgys , Wortmann Judith , Zakzuk Josefina , Keller Walter , Caraballo Luis , Puerta Leonardo
Published: April 2021

Background: The shrimp Litopaneus vanammei is an important source
of food allergens but its allergenic repertoire is poorly characterized.
Cross reactivity between crustacean and mites has been characterized,
with tropomyosin, the most relevant allergen involved. The aim of this
study was the structural and immunological characterization of an
allergen belonging to the Fatty Acid Binding Protein (FABP) family from
L. vannamei (LvFABP). Methods: ELISA, skin prick test (SPT) and basophil
activation assays were performed to determine IgE reactivity and
allergenicity of LvFABP. LC-MS/MS and Circular Dichroism experiments
were done for structural analysis. B-cell epitope mapping with
overlapping peptides, and cross-inhibition studies using human sera were
done to identify antigenic regions and cross-reactivity. Results: The
recombinant LvFABP showed IgE reactivity in 27% of allergic patients
tested and showed allergenic activity when tested for basophil
activation and SPT in shrimp sensitized patients. CD-spectroscopy of
LvFABP revealed that the protein is folded with a secondary structure
composed of mainly β-strands and a smaller fraction of  helices. This
is consistent with molecular modelling results, which exhibit a typical
β barrel fold with two α-helices and ten β-strands. Epitope mapping
identified two IgE binding antigenic regions and inhibition assays found
high cross reactivity between LvFABP and Blo t 13, mediated by the
antigenic region involving amino acids 53 to 73. Conclusions: Our
results support LvFABP as an allergen with cross reactivity with the
allergen Blo t 13. This new allergen could help to understand new
mechanisms of sensitization to seafood such as shrimp.
URINER INCONTINENCE SCREENING INVOLVING 6957 MIDDLE SCHOOL STUDENTS IN THE ESKİSEHİR PROVINCE
Authors: ACIKGOZ AYFER , Baskaya Mukaddes , Cakirli Merve , Cemrek Fatih , Tokar Baran
Published: April 2021

Aim: Urinary incontinence is an important problem that can arise due to
neurogenic or functional reasons and can negatively affect the
psychological, social and personality development of children. This
study was conducted in Eskişehir province, on secondary school students
in order to determine the prevalence and nature of urinary incontinence
at night and/or daytime. Methods: The study universe included all
secondary school students attending state elementary schools in the city
center of Eskişehir (N=34.000). Ethics Committee and Provincial
Directorate of National Education approval was obtained before
conducting the study, which was supported by Eskişehir Osmangazi
University Scientific Research Projects Commission (2017-1876) . A data
collection form prepared by the researchers, and a consent form were
delivered in sealed envelope to the parents via the students. The study
data were collected between 09.05.2018-30.05.2018. Only volunteers were
included in the study. 6957 questionnaires which have been fully
completed from the 7370 surveys have been taken into consideration. The
statistical analysis was carried out using the SPSS soft ware package.
Results: The number of children found to have urinary incontinence was
determined to be 215 (3.1%). It has been determined that 33 children
(0.5%) have urinary incontinence only at daytime, 61 children (0.9%)
have urinary incontinence both at night and daytime, and 121 children
(1.7%) have urinary incontinence only at night. It was observed that
56% of the children suffering from urinary incontinence had not applied
to any health institution for treatment before. Conclusions: Children
and families with urinary incontinence need medical information and
support to cover the cause of the problem and suggestions for solutions.
Accompanying pathologies in cases to be detected can be determined in
the early period by means of school screenings and medical evaluation
and support can prevent the psychosocial and personality development of
children from being adversely affected.
Explorando as potencialidades da complexidade para o estudo das políticas públicas em educação: o exemplo da União Europeia
Authors: Neves Claudia
Published: April 2021

Neste artigo partimos do pressuposto que as reformas educativas, em particular na União Europeia, desde os anos 1990 têm sido pautadas pelas recomendações de organismos internacionais que acentuam a centralidade da educação e a sua capacidade de garantir a empregabilidade, de evitar a exclusão social, de promover a cidadania e o desenvolvimento pessoal. Na procura de novas formas de explorar as realidades ligadas às políticas públicas de Educação, este artigo tem por objetivo, contribuir para uma melhor compreensão do conceito de complexidade e também, aprofundar uma abordagem que permita uma nova inteligibilidade dos sistemas complexos, como são as políticas públicas na esfera educativa.
O Programa Universidade para Todos: um estudo sobre a produção acadêmica – 2007-2019
Authors: Pedroso Polyana Raquel , Gisi Maria Lourdes
Published: April 2021

A educação superior tem sido objeto de políticas públicas com o intuito de diminuir as desigualdades de acesso a este nível de ensino e uma dessas medidas foi institucionalização do Programa Universidade para Todos – Lei nº 11.096/2005. Este programa possibilitou ampliar o acesso, mas ainda sem atender à universalização e sem garantir a permanência daqueles que são beneficiados com bolsas de estudo. Com a oferta já ultrapassando uma década, surgiu o interesse em analisar a produção científica existente no período de 2005-2019, mediante um estudo de revisão narrativa na base de dados da Biblioteca Digital Brasileira de Teses e Dissertações (BDTD). Observou-se que em relação às 94 publicações que compuseram a amostra desse estudo, apenas 31 fazem análise exclusivamente da perspectiva dos estudantes. Também se percebem muitas lacunas na produção do conhecimento sobre, especificamente, as experiências e vivências da inserção e permanência dos estudantes que utilizam bolsas do Prouni.
Comments on the Use of Lock Solution to Prevent Hemodialysis Catheter-Related Infection and Dysfunction
Authors: Hong Joon Ho
Published: April 2021

Highlights
Peripherally Inserted Central Catheter (PICC) Insertion Success and Optimal Placement with New Technology: A Pre-Post Cohort Study
Authors: Nicholas Megan , Larsen Emily N. , Rickard Claire M. , Mihala Gabor , Groom Peter , Marsh Nicole
Published: April 2021

Highlights

Background: Peripherally inserted central catheters (PICCs) are commonly placed with the assistance of fluoroscopy or medical imaging, ultrasound, electrocardiogram guidance, or all the above. Innovative ultrasound technologies continue to emerge; however, the impact upon clinical outcomes is not well understood. In this study, we aimed to compare outcomes of an existing ultrasound system with SHERLOCK 3CG™ Tip Confirmation (preintervention) to an updated SHERLOCK 3CG Diamond Tip Confirmation system, incorporating catheter-to-vein ratio measurement capabilities and an advanced magnetic-based tip navigation system (postintervention).

Methods: In this prospective pre-post cohort study, we recruited adult patients requiring a new PICC. The study was conducted at a quaternary hospital in Queensland, Australia. Data were collected between May 2017 (4 months before equipment introduction) and January 2018 (4 months after equipment introduction), with a 1-month exclusion (education or learning) period in between. Patient, PICC, and device removal details were collected. The primary outcome was first-time insertion success, defined as successful PICC insertion after a single attempt (skin puncture), with the tip confirmed in an optimal location by the navigation system and a subsequent chest x-ray (as per hospital policy).

Results: There were 503 participants with patient demographics and PICC characteristics balanced between the preintervention (n = 266) and postintervention (n = 237) groups. First-time insertion success was higher in the preintervention group (203/255, 80%) than the postintervention group (166/226, 73%), but this was not statistically significant (risk ratio = 0.92, 95% confidence interval = 0.83–1.02).

Conclusions: There was no change in clinical outcomes with the use of next-generation ultrasound technology. These results justify future large studies and subsequent review into the efficacy of tip-confirmation systems and processes to maintain patient safety.
Osteoblast lineage cells and periodontal ligament fibroblasts regulate orthodontic tooth movement that is dependent on Nuclear Factor-kappa B (NF-kB) activation
Authors: Jeon Hyeran Helen , Yang Chia-Ying , Shin Min Kyung , Wang Jingyi , Patel Juhin Hiren , Chung Chun-Hsi , Graves Dana T.
Published: April 2021

Objectives

To investigate the role of NF-κB in osteoblast lineage cells and periodontal ligament (PDL) fibroblasts during orthodontic tooth movement (OTM).

Materials and Methods

Transgenic mice that expressed a dominant negative mutant of the inhibitor of kB kinase (IKK-DN) with lineage specific expression in osteoblastic cells and PDL fibroblasts driven by a response element in the collagen1α1 promoter and matched wild-type (WT) mice were examined. A 10-12 g force was applied by a NiTi coil and maintained for 5 or 12 days. OTM distance, PDL width, and bone volume fraction were measured using micro computed tomography. Osteoclast numbers were counted in tartrate-resistant acid phosphatase-stained sections. Activation of nuclear factor kappa B (NF-kB) was assessed by nuclear localization of p65, and the receptor activator of nuclear factor-κB ligand (RANKL) was measured by immunofluorescence and compared to control specimens with no orthodontic force.

Results

OTM-induced NF-kB activation (p65 nuclear localization) in WT mice was largely blocked in transgenic (TG) mice. OTM was significantly reduced in the TG mice compared to WT mice along with reduced osteoclastogenesis, narrower PDL width, higher bone volume fraction, and reduced RANKL expression.

Conclusions

Osteoblast lineage cells and PDL fibroblasts are key contributors to alveolar bone remodeling in OTM through IKKβ dependent NF-κB activation.
Human White Adipose Tissue Displays Selective Insulin Resistance in the Obese State
Authors: Mileti Enrichetta , Kwok Kelvin H.M. , Andersson Daniel P. , Mathelier Anthony , Raman Amitha , Bäckdahl Jesper , Jalkanen Jutta , Massier Lucas , Thorell Anders , Gao Hui , Arner Peter , Mejhert Niklas , Daub Carsten O. , Rydén Mikael
Published: April 2021

Selective hepatic insulin resistance is a feature of obesity and type 2 diabetes. Whether similar mechanisms operate in white adipose tissue (WAT) of those with obesity and to what extent these are normalized by weight loss are unknown. We determined insulin sensitivity by hyperinsulinemic euglycemic clamp and insulin response in subcutaneous WAT by RNA sequencing in 23 women with obesity before and 2 years after bariatric surgery. To control for effects of surgery, women postsurgery were matched to never-obese women. Multidimensional analyses of 138 samples allowed us to classify the effects of insulin into three distinct expression responses: a common set was present in all three groups and included genes encoding several lipid/cholesterol biosynthesis enzymes; a set of obesity-attenuated genes linked to tissue remodeling and protein translation was selectively regulated in the two nonobese states; and several postobesity-enriched genes encoding proteins involved in, for example, one-carbon metabolism were only responsive to insulin in the women who had lost weight. Altogether, human WAT displays a selective insulin response in the obese state, where most genes are normalized by weight loss. This comprehensive atlas provides insights into the transcriptional effects of insulin in WAT and may identify targets to improve insulin action.
Human White Adipose Tissue Displays Selective Insulin Resistance in the Obese State
Authors: Mileti Enrichetta , Kwok Kelvin HM. , Andersson Daniel P. , Mathelier Anthony , Raman Amitha , Bäckdahl Jesper , Jalkanen Jutta , Massier Lucas , Thorell Anders , Gao Hui , Arner Peter , Mejhert Niklas , Daub Carsten O. , Rydén Mikael
Published: April 2021

Selective
hepatic insulin resistance is a feature of obesity and type 2 diabetes. Whether
similar mechanisms operate in white adipose tissue (WAT) of obese subjects and
to what extent these are normalized by weight loss is unknown. We determined
insulin sensitivity by hyperinsulinemic euglycemic clamp and the insulin
response in subcutaneous WAT by RNA-sequencing in 23 women with obesity before
and two years after bariatric surgery. To control for effects of surgery, women
post-surgery were matched to never-obese subjects. Multidimensional analyses of
138 samples allowed us to classify the effects of insulin into three distinct
expression responses: a common set was present in all three groups and
included genes encoding several lipid/cholesterol biosynthesis enzymes; a set of
obesity-attenuated genes linked to tissue remodelling and protein
translation was selectively regulated in the two non-obese states and several post
obesity-enriched genes encoding proteins involved in e.g. one carbon
metabolism were only responsive to insulin in the women who had lost weight. Altogether,
human WAT displays a selective insulin response in the obese state where
most genes are normalized by weight loss. This comprehensive atlas provides insights
into the transcriptional effects of insulin in WAT and may identify targets to improve insulin action.
THE PROBLEM OF FORMING BEHAVIOUR NORMATIVITY IN MODERN PSYCHOLOGICAL AND PEDAGOGICAL SCIENCE (RESEARCH OVERVIEW)
Authors: MARALOVA TATYANA P.
Published: April 2021

The article considers the scientific review of a problem related to the formation of behaviour normativity in modern psychological and pedagogical science. The analysis of various theories of behaviour normativity which were developed in foreign and national science is given: internalizations, social identity, rational choice, “social autopilot”, “social radar”, “coercion”, “neutralization”, structural and dialectic approach. The review of empirical researches into the influence of normativity on behaviour, its interrelations with personal qualities is carried out. Special attention is paid to a problem of development and formation of behaviour normativity. The analytical review can be useful to the scientists and practitioners dealing with these problems.
CURRENT STATE OF THE MASS MEDIA GENRE SYSTEM
Authors: NIKONOVA EKATERINA A.
Published: April 2021

The article describes the current mass media system state, which experiences significant transformation. The reasons which evoke such changes are, on the one hand, new technological opportunities and, on the other hand, such sociocultural tendencies as pseydoconfession and showization. As mass media genres are mostly prone to social and technological changes, the changes that pervade them are projected on the system of genres in general.
Otomycosis at Fann Hospital in Dakar (Senegal): Prevalence and Mycological Study
Authors: Dieng Thérèse
Published: April 2021

Otomycosis are auricular infections caused by microscopic fungi which develop essentially in the external ear canal. Their incidence has increased these past years with the emergence of predisposing factors such as the repetitive use of broad -spectrum antibiotics. The objectives of this study were to determine the prevalence of otomycosis at Fann National University Hospital in Dakar and to identify the fungal species responsible for that. This descriptive retrospective study held from October 2011 to December 2017 at 136 patients with clinically suspected otomycosis. External auditory canal exudates collected with swabs in each patient were observed by direct microscopic examination and cultured in Sabouraud Chloramphenicol medium with and without Actidione at 30-37°C. The strains were identified on the basis of macroscopic, microscopic and physiological characteristics. The mycological examination was positive in 59 patients, that is to say, a prevalence of 43.4%. The positivity rate was significantly higher among women (52.6%) than among men (31%) (p=0.012). This rate was significantly higher among patients suffering from otalgia (75.7%) than among others (p=0.023). On the mycological plan, Aspergillus fumigatus and Candida albicans were the species the most isolated (26.3%) followed by Aspergillus niger (22.8%). These results show that fungal agents have an important place in the etiologies of the external otitis at Fann Hospital CHNU. Hence the interest of the mycological diagnosis for a better treatment of patients.
Modeling and Predicting the Impact of Climate Variability on Influenza Virus Spread in Cuba
Authors: Ortiz-Bultó Paulo L
Published: April 2021

Influenza viruses are among the main causes of acute respiratory infections in Cuba, associated to pneumonia, and among the five first causes of dead in the last decades. Tropical climate has a great influence on influenza variations and seasonality. The significant increasing of climatic anomalies yield by anthropogenic climate change, carries modifications in the reproductive capacity of the virus and its circulation in temporal as in spatial scale. That´s why, forecast the dynamic of influenza in the country, would allow to health system decision-makers taking the appropriate actions to control the disease. Objective: To obtain seasonal models for prediction and early warning of the climate variability impact on influenza viruses in temporal as in spatial scale in Cuba. Methods: Ecologic study with retrospective-prospective analysis of influenza series and the climate anomalies described by Bultó climate indexes in the period 2010-2020. To spatial structure, the serial data interpolated from 10km weight matrix was used by Kriging method. That allows creating a continuous grid to the country. For simulation and prediction the space structure, spatial autoregressive model were used, while for the temporary scale Autoregressive Conditionally Heteroscedastic model was implemented, both with exogenous variables. Several fit tests to predictive quality were performed. Results: It was confirmed that heteroscedastic autoregressive and spatial autoregressive models based on complex climatic indexes to simulate the climate seasonal variability as exogenous variables, are adequate to forecast the climate variability impact on influenza viruses’ circulation. The fitness of temporal model with significant concordance (0.95% and 0.96% Skill factor respectively), and 0.91% and 0.90% to spatial model was determined. A monthly and quarterly early warning system to virus circulation in the country was obtained and provinces with higher viral activity in different year months were identified. Conclusions: Temporal and spatial models to forecast and early warning of the influenza viruses’ circulation were obtained, conditioned by the impact of seasonal climate variability. This modelling methodology could be used in other respiratory viruses.
Improving the Utility of Evidence Synthesis for Decision Makers in the Face of Insufficient Evidence
Authors: Murad M. Hassan , Chang Stephanie M. , Fiordalisi Celia , Lin Jennifer S. , Wilt Timothy J. , Tsou Amy , Leas Brian , Siddique Shazia , Zullo Andrew R. , Balk Ethan , Rutter Carolyn M. , Robinson Karen , Coleman Craig , Costa Olivia , Stoeger Elizabeth , Helfand Mark , Viswanathan Meera
Published: April 2021

Background: Healthcare decision makers strive to operate on the best available evidence. The Agency for Healthcare Research and Quality Evidence-based Practice Center (EPC) Program aims to support healthcare decision makers by producing evidence reviews that rate the strength of evidence. However, the evidence base is often sparse or heterogeneous, or otherwise results in a high degree of uncertainty and insufficient evidence ratings. Objective: To identify and suggest strategies to make insufficient ratings in systematic reviews more actionable. Methods: A workgroup comprising EPC Program members convened throughout 2020. We conducted interative discussions considering information from three data sources: a literature review for relevant publications and frameworks, a review of a convenience sample of past systematic reviews conducted by the EPCs, and an audit of methods used in past EPC technical briefs. Results: Several themes emerged across the literature review, review of systematic reviews, and review of technical brief methods. In the purposive sample of 43 systematic reviews, the use of the term “insufficient” covered both instances of no evidence and instances of evidence being present but insufficient to estimate an effect. The results of the literature review and review of the EPC Program systematic reviews illustrated the importance of clearly stating the reasons for insufficient evidence. Results of both the literature review and review of systematic reviews highlighted the factors decision makers consider when making decisions when evidence of benefits or harms is insufficient, such as costs, values, preferences, and equity. We identified five strategies for supplementing systematic review findings when evidence on benefit or harms is expected to be or found to be insufficient, including: reconsidering eligible study designs, summarizing indirect evidence, summarizing contextual and implementation evidence, modelling, and incorporating unpublished health system data. Conclusion: Throughout early scoping, protocol development, review conduct, and review presentation, authors should consider five possible strategies to supplement potential insufficient findings of benefit or harms. When there is no evidence available for a specific outcome, reviewers should use a statement such as “no studies” instead of “insufficient.” The main reasons for insufficient evidence rating should be explicitly described.
Assesmen Pembelajaran di Raudhotul Athfal Baitur-Rahmah Sawitsari Sleman
Authors: Hutagalung Ahmad Ichsan Yafi , Ilmi Lu'lu'ul
Published: April 2021

His research study to study learning assessment in RA Baitur-Rahmah Sawitsari Sleman. This research uses descriptive qualitative research methods. Data is collected through observation, interviews, and documentation, then the data is analyzed by reducing data, presenting data, and verifying data. The results of this study indicate the learning model in the RA Baitur-Rahmah class uses a group system with a security perspective that uses themes, classroom assessments are carried out with two teachers who have different assignments, reporting according to daily, weekly, monthly, and semester reports.
Improving Students’ Civic Education Achievement Through Picture
Authors: Asnafiyah Asnafiyah , Hastuti Yuli Widi
Published: April 2021

ABSTRAKHasil pre-observasi menunjukkan guru PKn di kelas II SDN 2 Kajoran, Klaten Selatan, belum pernah menggunakan media pembelajaran. Nilai PKn siswa pada Ujian Tengah Semester masih rendah. Oleh sebab itu, penelitian ini bertujuan untuk meningkatkan hasil belajar PKn dengan menggunakan media gambar. Rumusan masalah penelitian ini adalah: 1. Bagaimana proses pembelajaran selama pra siklus PKn siswa kelas II SDN 2 Kajoran, Klaten Selatan? 2. Seberapa besar peningkatan hasil belajar PKn siswa kelas II SDN 2 Kajoran, Klaten Selatan, setelah menggunakan media gambar? Penelitian ini merupakan Penelitian Tindakan Kelas. Pengumpulan data dilakukan melalui lembar post test, observasi, wawancara, dan dokumentasi. Adapun hasil penelitian menunjukkan: 1. Proses pembelajaran selama pra siklus tidak menarik. 2. Pembelajaran PKn menggunakan gambar pada siklus I menunjukkan nilai rata-rata 85,7 dengan kriteria “baik” dan ketuntasan belajar 60% atau 6 dari 10 siswa tuntas. Siklus II menunjukkan nilai rata-rata 87,5 dengan kriteria “baik” dan ketuntasan belajar 80% atau 8 dari 10 siswa tuntas. Hasil belajar siswa pada pelajaran PKn meningkat setelah menggunakan media gambar. Kata Kunci: Hasil belajar kognitif, PKn, dan Media gambar
Implementasi Pendidikan Spiritual Dalam Meningkatkan Akhlak Santri Di Pondok Pesantren Subulas Salam Selobekiti Kecamatan Wonosari Kabupaten Malang
Authors: Mabruri Muhammad Dimyati , Musnandar Aris
Published: April 2021

Penerapan nilai-nilai akhlak di pondok pesantren menjadi hal yang utama. Penerapan ini dilaksanakan dalam berbagai kegiatan, baik bersifat formal maupun non formal,  mengingat pondok pesantren memiliki pendidikan formal. Penelitian ini berjenis penelitian deskriptif kualitatf dan menggunakan kualitatif yang mengedepankan fenomena yang dialami oleh subjek berupa perilaku, persepsi, pandangan, dan motivasi. Data dikumpulkan dengan cara wawancara, observasi, dan studi dokumentasi, sebagai sumber informasi adalah para civitas pondok pesantren Subulas Salam Selobekiti kecamatan Wonosari Kabupaten Malang. Data dianalisis melalui tahap pengumpulan data, reduksi data, penyajian data, dan penarikan simpulan. Selanjutnya pengecekan keabsahan data dengan uji kredibilatas untuk menguji kevalidan data. Hasil penelitian: (1) implementasi nilai-nilai akhlak di pondok pesantren Subulas Salam melalui kegiatan rutin dan wajib, Bentuk implementasi berupa perilaku tawadlu, perilaku disiplin, perilaku hidup sederhana, dan perilaku jujur perkataan dan perbuatan, (2) kegiatan spiritual yang telah diterapkan menjadi harapan semua pihak termasuk santri dalam bertindak dan bersikap yang dibarengi penerapan nilai-nilai salaf untuk mewujudkan nilai tawadlu’, nilai kedisplinan, nilai kejujuran, dan nilai kesederhanaan, dan (3) relevansi nilai-nilai spiritual terhadap santri, yaitu terbentuknya perilaku tawadlu, penggunaan waktu yang baik, kegiatan ubudiyah dan amaliyah, dan kejujuran perkataan dan perbuatan.
Analysis of the Application of the Methods of the Displaced Ideal and the Hierarchy Analysis when Сategorizing the Object of Fuel and Energy Complex
Authors:   D. Mendeleev University of Chemical Technology, Kovalskiy F.S. , Mosolov A.S. ,   D. Mendeleev University of Chemical Technology
Published: April 2021

The article deals with the issues of ensuring industrial safety of the objects of fuel and energy complex and hazardous production facilities in other sectors of the national economy. It is recommended to analyze the consequences of emergencies considering the importance of such criteria, as the emergency area, the amount of social damage, the amount of economic damage. At the stage of determining the importance of the above criteria, the study is carried out related to possible scenarios of an emergency development. The importance of the criteria is determined by using the methods of expert evaluations, which allow to use decision-making methods: the method of hierarchy analysis and the method of the displaced ideal. The likely violator will seek to have a destructive impact on the vulnerable areas of hazardous production facilities with the prospect of developing an emergency in scenarios with the most destructive consequences. Therefore, the application of multicriteria optimization methods to predict the development of an emergency, in particular, the method of the displaced ideal and the method of hierarchy analysis, will allow to objectively identify among possible combinations of failures the priority scenario, that a potential internal violator will strive to implement. In turn, the determination of vulnerable for committing an act of unlawful interference (through technical influence by the violator) in the production and technological process will allow the preventive use of the method of physical safety barriers to enhance technological safety. The section of the process flow diagram — isomerization reactor furnace at the organic synthesis facility is considered in the article. The method of the displaced ideal and the full method of hierarchy analysis determine the same, the most prioritized combination for the violator. The software implementation of this approach for determining the priority scenario for the development of an emergency will allow to develop the decision-making technology at hazardous production facilities in matters of ensuring industrial safety within the framework of the strategy for the development of artificial intelligence in industry.
Use of Computer Simulation in the Selection of Operating Parameters for the Dust Extractor Built into the Roadheaders
Authors:   NITU «MISiS», Kobylkin S.S. , Timchenko A.N. , Kobylkin A.S. ,   NITU «MISiS»
Published: April 2021

An increase in the rate of mine workings excavation leads to the ingress of large amount of dust into the mine atmosphere. Ensuring the aerological safety of coal mines drifting faces according to the dust factor is an urgent task. To reduce the level of dustiness of a dead mine roadheading during its sinking, the scrubbers built into the roadheader are used. In this case, the joint operation of the ventilation system and the dust extraction system is not considered. This leads to the risk of occurrence of the stagnation zones or air recirculation near the bottom-hole area. At the intensive ventilation with a high air flow, the dust is removed, and the dust extraction system becomes useless. As the analysis showed, currently there are no methods that allow to take into account these two processes simultaneously. The idea of using computer modeling in the Ansys software package is proposed. To correctly solve the problems of optimizing the scrubber operation, a method is given for determining the grid parameters, as well as for setting the initial and boundary conditions. All the data obtained were verified at the coal mines of Russia. To achieve maximum efficiency, it is proposed to use the dust and aerodynamic criteria of the scrubber operation, which will allow to increase the mining operations safety. The dust criterion characterizes the efficiency of the dust extraction systems. The aerodynamic criterion allows to determine the joint operation mode in which there will be no recirculation and not ventilated zones. To take into account the large number of factors that affect the ventilation of a dead mine working and the operation of the dust extraction system, an artificial intelligence was added to computer modeling in system design. It is implemented in the ANSYS DesignXplorer module. In a given range of changing factors during the operation of artificial intelligence, by performing multiple calculations, such a combination of operating parameters of the two systems is obtained, at which the efficiency is maximum.
Analysis of Fatal Injuries in the Mining and Non-Metallic Industry of Russia
Authors:   Rostechnadzor, Oksman V.S. , Trubetskoi N.K. ,   Rostechnadzor, Grazhdankin A.I. ,   STC «Industrial Safety» CJSC
Published: April 2021

The analysis was conducted concerning the main causes and factors of fatal injuries that occurred in 2014–2020 at hazardous production facilities of the mining and non-metallic industry of Russia. The source of primary statistical data is the information from the enterprises received by Rostechnadzor. The analysis showed that mostly fatal injuries occur during the underground mining operations at the non-ferrous metals, precious metals and stones mining facilities that are classified as hazardous production facilities of hazard class II. The facilities of class II of hazard account for more than half of the registered fatal injuries: in 2019–2020 — 55 %. The regime of continuous supervision of these facilities is not legally applicable, and in 2020, due to the pandemic, no scheduled inspections were carried out either. As a result of the rock mass collapse, 34 % of fatal injuries occurred, and during the operation of transport and mechanisms — a total of 37 % of the total number of fatal injuries. Every third fatal injury occurred due to a low level of production control at the mining facility, and every fourth due to a violation of the technology of work, failure to comply with the design solutions, the requirements of technological regulations and passports of work, completeness, and sequence of work operations. Shaft miners are most susceptible to injuries at the age of 25–45 years with a work experience of up to 7 years. The most traumatic time is from 09:00 to 15:00 on December Friday. The results obtained are used to reduce the influence of the prevailing factors and causes of fatal injuries occurrence during mining operations in the process of planning, organization, and implementation of preventive measures to ensure industrial safety at hazardous production facilities of the mining and non-metallic industry, underground construction facilities, as well as when updating federal regulations and rules for safe mining operations.
Acoustic Monitoring System in the Industrial and Environmental Technologies
Authors:   Platov South-Russian State Polytechnic University (NPI), Lepikhova V.A. , Lyashenko N.V. ,   Platov South-Russian State Polytechnic University (NPI), Chibinev N.N. ,   Platov South-Russian State Polytechnic University (NPI), Ryabous A.Yu. ,   ITMO University
Published: April 2021

The task is considered related to the creation of monitoring systems in the industrial and environmental technologies that allow to conduct continuous analysis of dust in the industrial premises and quality control of the products made of powders, charges, and other dispersed and composite materials. The proposed methodology is based on the acoustic spectral-timbre control. It allows to make an operational analysis of the physical and chemical properties of the dispersed systems. Using a spectrum analyzer, the acoustic signal is decomposed into a Fourier spectrum consisting of the fundamental and timbre harmonics. The higher harmonics of the spectrum provide for more complete information about the amplitude-frequency parameters of the dispersed system and allow to distinguish by classes of the dispersed composition. The graphical representation of the division of the information space into classes with optimal characteristics allows to interpolate and visually evaluate the belonging of the analyzed spectra to the family with the parameters corresponding to these dispersed systems. When dividing the information space into standard classes, the boundaries between them are approximated by Hermite polynomials with the preservation of the first terms. This makes it possible to divide the modes of dust flows into concentration classes, as well as formally separate them from each other by constructing separating boundaries. After calculating the coefficients of the separating functions, the separating boundaries are determined, which, by virtue of the accepted agreement on the basis functions, will be piecewise linear. The coefficients of the separating functions are calculated according to the developed program of differential diagnostics by the method of potential functions, which implements this method from the theory of pattern recognition. Patterns to be recognized and classified using an automatic recognition system must have a set of measuring statistical characteristics of the spectrum of acoustic emission signals of the dust flow. Pattern recognition systems allow to configure the measurement system to recognize the required concentration classes based on the collected information.
Analysis of the Natural Methane Content of Boldyrevsky Seam at S.M. Kirov Mine of JSC SUEK-Kuzbass
Authors:   IPCON RAN, Fedorov E.V. , Kulibaba S.B. ,   IPCON RAN, Meshkov A.A. ,   JSC «SUEK-Kuzbass»
Published: April 2021

S.M. Kirov mine of JSC SUEK-Kuzbass develops Boldyrevsky and Polenovsky seams and is classified as a super-category for methane. Under these conditions, the development of seams requires a set of measures for their degassing. Methods and parameters for degassing the main sources of methane release in the coal mines are selected considering the faces gas content. It is calculated based on the natural methane content of the coal seams and host rocks determined at the stage of geologic exploration activity. The aim of the work conducted by the authors is to establish the actual distribution of natural methane seam Boldyrevsky based on the analysis of research results of the coal-gas samples and experimental evaluation of the residual gas content in the mine workings. Natural gas content of the mine field of S.M. Kirov JSC SUEK-Kuzbass mine was determined based on the analysis of 538 coal-gas samples on 30 seams. All the coal and gas samples taken from Boldyrevsky seam were analyzed. Distribution of the actual values of natural methane content from the hypsometric depths of the seam was plotted. Distribution was plotted concerning the actual values of natural methane from hypsometric depths of the formation. The obtained data were compared with the results of experimental determination of the residual gas content of Boldyrevsky seam from the mine workings. Based on the results obtained, CH4 isogases were constructed based on the actual and maximum values of the natural methane content in Boldyrevsky seam. It is established that the natural methane content of Boldyrevsky seam, that was determined at the stage of geological exploration for the entire field of S.V. Kirov mine, has overestimated values — by 35–40 % compared to the actual data, and by 25–30% in relation to the maximum actual data.
Chemical and Toxicological Hazard Assessment when Handling Rocket Fuel 2-dimethylaminoethylazide and its Derivatives
Authors:   ITMO University, Sauts A.V. , Sauts V.N. ,   Military (Engineering) Institute, Military Academy of Logistics named after Army General A.V. Khrulev
Published: April 2021

The hazard was studied related to toxic effects on the production personnel of the aerospace industry for the experimental rocket fuels of 2-dimethylaminoethylazide and its derivatives — 2-azido-N-methylethanamine and 2-azido-N-cyclopropylethanamine used for liquid propellant rocket engines. The calculation and analysis of physical and chemical constants that characterize the bioavailability of substances based on the rules of N.V. Lazarev, С.A. Lipinsky, and S.M. Jorgensen are made. Pharmacophore analysis and search for active sites of a number of receptors related to carcinogenesis, psychotropic and nerve processes, and the cardiovascular system were performed in the Schrödinger software package. Molecular docking of the receptors and the studied compounds was performed, and the results were analyzed in AutoDock Vina. The values are determined concerning approximately safe exposure levels, hazard classes of substances, and the maximum possible concentrations (volatility) of the rocket fuels that occur in the event of an emergency leak. Through the use of probit method the assessment was related to the immediate non-carcinogenic health risks that service personnel are exposed to in the event of accidental fuel leaks (irritating effect, diseases of the respiratory, nervous, and cardiovascular systems). The results have practical application in the search and synthesis of the rocket fuels - safe analogues of the more toxic heptyl (1,1-dimethylhydrazine), the use of which leads to the development of occupational diseases in the operating personnel and environmental pollution by the aerospace industry facilities.
Analysis of the Linear Section Risk Level Including Changes in the Pipe Material Strength Properties during Main Oil Pipeline Operations
Authors:   Transneft, Shotskiy S.A. , Golofast S.L. ,   OOO «Gazprom proektirovanie»
Published: April 2021

Strength properties of the pipe material are random variables and have a statistical straggling that differs for pipe products of different grades. Distribution of these properties significantly effects on the results of calculating the current level of strength reliability and risk of linear sections for the main pipelines. The reliability of such calculations results depends not only on the distribution that obeys the strength properties of the pipe material at the surveyed section, but also on the dispersion limits of these properties. At present, the main pipelines have significant service lives. Due to this, when making assessment of the technical condition, safety, and risk level of linear sections, the issue is raised of how stable the distribution is related to the pipe steel strength properties with an increase of the service life for the main pipeline. The results of studies are presented concerning the actual distribution and limits of dispersion for the strength properties of pipe steel grade 17G1S after a long-term operation of the main pipeline. It is established that the regularities and strength properties dissipation limits for the material of a pipe made of the above steel are changing with time. Based on the results of the study, a practical example is considered related to the assessment of the effect of the identified changes on the probability of failure and the risk level for one of sections at the linear part of the main oil pipeline. The results obtained in the work substantiate the need in considering changes in the distribution of strength properties that arises with an increase in the main pipelines service life. The outlined approach allows to increase the reliability of risk assessment results for the main pipelines having long-term service life.
Occupational Risk Determination Using the Integral Assessment of Working Conditions Methodology
Authors:   South Ural State University (National Research University), Sidorov A.I. , Bogdanov A.V. ,   South Ural State Agrarian University, Medvedeva Yu.V. ,   South Ural State University (National Research University), Filippov A.N. ,   South Ural State University (National Research University)
Published: April 2021

The whole complex of adverse effects of hazardous and harmful production factors on the employees most fully reflects such an indicator as occupational risk. In the Labor Code of the Russian Federation, the occupational risk is considered as the likelihood of personnel injury due to exposure to harmful and (or) hazardous production factors when the employee performs the job duties. However, most of the risk assessment methods used are time-consuming and largely subjective. The concept of «risk» is used when organizing the risk-oriented state control (supervision), since the frequency of scheduled inspections of the organizations (enterprises) depends on the risk category (hazard class). The analysis is made concerning the methods for determining the potential risk of harm when assigning the objects of state supervision to risk categories. Some serious shortcomings are identified in the existing approach. It is established that the potential risk indicator considers only hazardous production factors through the incidents and their severity. At the same time, the harmful production factors that lead to various kinds of employee diseases are not considered. The harm caused to the health of employees due to exposure to harmful and hazardous production factors can be comprehensively assessed using the integrated assessment method of working conditions based on the regulatory standard of working time losses from morbidity with temporary disability. It is proposed to calculate the occupational risk index using the integrated assessment methodology. In accordance with the calculated values of the occupational risk index, it is possible to determine the categories of occupational risk and justify the frequency of occupational safety scheduled inspections. Occupational risk categories can be defined individually for each employee, workplace, structural subdivision, and the organization as a whole, which will allow to address the issue of working conditions improvement and conduct timely occupational safety scheduled inspections.