bluuebunny/crossref_metadata_2025_split huggingface dataset:
Slenderness Ratio and Influencing Parameters on the NL Behaviour of RC Shear Wall
Authors: Atmani A. , Boudaoud Z. , Djebbar N. 
Published: December 2021

Shear walls are very efficient structural elements to resist lateral seismic disturbance. Despite the aforementioned seismic performance, recent investigations report that they have suffered from significant structural damage after recent seismic activity, even for those complying with seismic provisions. These deficiencies in resistance and deformation capacities need to be explored. This study considers the influence of plastic length Lp, concrete compressive strength f_c28, longitudinal reinforcement ratio ρl, transverse reinforcement ratio ρsh, reduced axial load ν, confinement zone depth CS and focusing on the geometric slenderness λ. The parametric study has been conducted through NL pushover analysis using Peform3D software. The chosen coupled shear-flexure fiber macro model was calibrated with well-known cyclic experimental specimens. The paper points out the discrepancy between the two well-known codes EC8 and ASCE/SEI 41-13. In fact, the value of the slenderness ratio (λ) that trigger the beginning of a purely flexural behaviour recommended by EC8 (λ>2) is very different from the value of the ASCE/SEI 41-13 (λ>3) without accounting for the effect of the reduced axial force. Finally, it was found that RCW capacities are very sensitive to f_c28, ν, ρl, Lp and less sensitive to ρsh and CS. However, (λ) is the most decisive factor affecting the NL wall response. A new limit of slenderness and appropriate deformations of rotations are recommended to provide an immediate help to designers and an assistance to those involved with drafting codes. Doi: 10.28991/cej-2021-03091777 Full Text: PDF
Performance of Fiber Self Compacting Concrete at High Temperatures
Authors: Yahy AL-Radi Helal Hameed , Dejian Shen , Sultan Hussein Kareem 
Published: December 2021

The goal of this study is to assess the fresh and hardened properties of self-compacting concrete (SCC) prepared using locally available materials. This research includes also the impact of polypropylene (PP), steel and hybrid fibers on the same properties. In addition, the mechanical properties of SCC specimens (with and without fibers) at high temperatures, including as compressive, tensile, and flexural strengths, will be determined. Four different SCC mixtures (with and without fibers) are prepared, tested, and assessed in order to attain these goals. The specimens were heated to various temperatures (200, 400, 600, and 800) at a rate of 5 degrees Celsius per minute for each test. The temperature was remained constant at the target temperature for one hour before cooling to ensure a consistent temperature throughout the specimen. According to the test results, all of the mixes have good consistency and workability in terms of filling and passing ability. In addition, the inclusion of fibers lowered the workability of SCC slightly. Also, the compressive, tensile, and flexural strengths improved with increasing temperature up to 200 °C and dropped at temperatures over 200 °C, according to these findings. Within the SCC, the PP fibers lowered and removed the risk of spalling. Concrete mixtures containing steel fibers and hybrid fibers have the finest mechanical characteristics and spalling resistance as temperature rises. Weight losses were lower in SCC mixtures with PP and steel fibers than in those without PP and steel fibers. As the temperature rose, all SCC mixes lost mass and UPV decreased until the samples spalled (as in plain SCC and SCC with steel fibers) or were questionable (as in SCC with PP and SCC with hybrid fibers). Doi: 10.28991/cej-2021-03091779 Full Text: PDF
Structural Relationship of Factors Affecting PMO Implementation in the Construction Industry
Authors: Almansoori Maitha Taher Saleh , Rahman Ismail Abdul , Memon Aftab Hameed , Nasaruddin Nur Ain Ngah 
Published: December 2021

This paper focused on studying the factors affecting PMO implementation in the construction industry. A PLS-SEM model was developed for achieving this objective. The model used 171 survey data sets consisting the model was developed and evaluated using SmartPLS software. Model evaluation at the measurement level found that it has achieved the convergent and discriminant validity thresholds. While at the structural level, the model has reached its criterion fitness values. For the hypothesis testing, it was found that all three paths of factors have a significant relationship to the PMO implementation in the construction industry. From this validated model, the most dominant factors affecting PMO implementation are Resistance to change for organizational culture group; Additional administrative workload for project management group, and Inexperience PMO leadership for the resource management group. These findings will help construction practitioners in understanding the importance of PMO implementation in the construction industry. Doi: 10.28991/cej-2021-03091781 Full Text: PDF
Comparison of Meteorological Drought using SPI and SPEI
Authors: Ojha Shashi Shankar , Singh Vivekanand , Roshni Thendiyath 
Published: December 2021

Drought assessment is crucial for effective water resources management in a river basin. Drought frequency has increased worldwide in recent years due to global warming. In this paper, an attempt is made to assess the meteorological drought in the Punpun river basin, India using two globally accepted drought indices namely, Standardized Precipitation Index (SPI) and Standardized Precipitation Evapotranspiration Index (SPEI). The SPI and SPEI at 1-, 3-, 6-, 9-, and 12-month timescale were obtained to analyze the temporal variability of different drought levels. Correlation analysis of available observed data and gridded data has been carried out and the correlation coefficient was found to be 0.956. Hence gridded rainfall data from the year 1991 to 2020 is used for further analysis. Potential evapotranspiration (PET) used in the calculation of SPEI was computed by the Thornthwaite method. Water deficit was observed throughout as there is a decrease in rainfall and an increase in PET during the selected period. The results show that the period 2004 to 2006 and 2009 to 2010 years are observed as drought periods by both indices for almost all timescale. The intensity and duration of drought have increased after 2004. A negative trend of both the indices have been observed in all seasons on all timescale, which clearly shows a transition from near normal to moderately dry during the selected time period. The highest correlation between both the indices is for the 12-month scale with R² value 0.92 and the RMSE value 0.28. The main outcome of this study is that both SPI and SPEI show a strong correlation on same time scales adopted in this study. The dependency of SPEI on temperature is also observed in this study. Doi: 10.28991/cej-2021-03091783 Full Text: PDF
CONCEPTUAL APPROACH TO DEVELOPMENT AND IMPLEMENTATION OF CORPORATE TAX POLICY
Authors: Il'yasov Daniyal 
Published: December 2021

The main goal of the development of the conceptual foundations for the development of corporate tax policy is to create an integral theoretical basis for future scientific and applied research, capable of synthesizing tax policy instruments at the micro level into a single system.
This paper presents the issues of the development of tax policy at the level of economic entities, and also analyzes the effectiveness of tax policy for an economic entity, taking into account the impact of the tax burden.
TO THE ACTUAL ASPECTS OF ENSURING THE ECONOMIC SECURITY OF RUSSIAN ENTERPRISES OPERATING ABROAD
Authors: Suglobov Aleksandr , Voroncov Yaroslav 
Published: December 2021

The uncertainty of the conditions of the market economy and its impact on the functioning of modern enterprises is characterized by instability and unpredictability of the external environment. The increase in the number of unprofitable enterprises, the severe impact of the crisis and pandemic, the threat of bankruptcy determine the importance of developing directions and measures that ensure the effectiveness of financial and economic activities, stable economic condition and economic security.
In real time, the main aspects of economic security of various enterprises occupy an important place in the world economic science, which causes the interest and relevance of studying economic security issues from scientists from different countries.
The industry structure of the Russian oil and gas complex: transformation processes and trends
Authors: Zhilina Nadezhda 
Published: December 2021

The oil and gas industry is becoming one of the key priorities of the state policy of the Russian Federation. Ensuring energy and economic security, sustainable development, and innovative development in the context of the digitalization of the economy requires a qualitatively new approach to regulating the oil and gas industry. The tasks of rational use of oil and gas resources, increasing productivity, and environmental friendliness of production processes are set not only for companies in the oil and gas sector, but also increase the responsibility of the state for achieving them.
The solution of the above-mentioned tasks requires an integrated approach based on a theoretical and methodological basis, economic research, systematization of world experience, taking into account the use of modern management and regulation mechanisms of oil and gas complex enterprises.
The Effect of Using Picture Media Towards Students’ Vocabulary Mastery at The Eighth Grade Students of Islamic Junior High School Students of Mathla’ul Anwar Dahu Bojong in Academic Year 2018/2019
Authors: Putra Wahyu Wiganda 
Published: December 2021

The purpose of this study is to investigate the effect of using picture media towards students’ vocabulary mastery at the eighth grade students of MTs Mathla’ul Anwar Dahu Bojong which was located on Jl. Prapatan Warungkupa Km. 01 Kp Dahu. Ds. Mekarsari Kec. Bojong Kab. Pandeglang, 42273. The population of this study was 50 students and the sample was 50 students. This study is carried out to find out whether there is a significant effect of using picture media towards students’ vocabulary mastery. This research used a quantitative true experimental approach using Pretest-Posttest Control Group Design. In this research there are two variables, they are independent variable and dependent variable. The independent variable is Picture media (X), and then the dependent variable is Vocabulary Mastery (Y). In collecting the data this research used multiple choice test as instrument.The hypothesis analysis used analysis of t-test. In analysing the hypothesis this research used SPSS statistics 22. Finding of this study showed that there is a significant effect of using picture media towards students’ vocabulary mastery. It could be seen that t-count= 3.503 and signification value (p-value) = 0.001 < α = 0.05, so H1 is accepted and H0 is rejected. On the other word, there is a significant effect of using picture media towards students’ vocabulary mastery. Based on the result above, the researcher concluded that vocabulary is one of the elements in English. Teaching English using Picture Media gave positive contribution especially on improving vocabulary mastery.
Analysis of Nurse Characteristics with Work Motivation in Wamena Hospital
Authors: Lamere Moses , Wardani Ratna 
Published: December 2021

Lately there has been attention to work dissatisfaction and declining quality. Most people find it difficult to motivate themselves, therefore it is not surprising that motivating others is a difficult and complicated task. Motivation indicates the process of movement, including the encouraging situation that arises within the individual, the behavior caused by the situation and the purpose or end of the movement or action. The purpose of this study was to analyze the relationship of nurse characteristics with work motivation in Wamena Hospital inpatient room.
This type of research is quantitative with an observational approach. The population is the entire nursing plant in Wamena Hospital with 186 people. Large samples were taken as many as 64 respondents. Sampling techniques used in this study is a simple random sampling technique.
Based on the results of the study it is known that there is a meaningful relationship between age, working period and position with work motivation. While there are several factors that are not related to work motivation, namely gender, education and marital status. The statistical test used is path analysis. Statistical tests can be concluded that there is a meaningful relationship to variables as follows: the characteristics of nurses that affect work motivation are age, years of service and position, while the characteristics of gender, education and marital status do not have a significant relationship with work motivation.
Based on the results of the study is expected to improve the ability and insight of nursing and motivation of work so that their productivity does not decrease. For example, give remuneration, promotion and periodic reward for outstanding nurses will encourage the motivation of nurse work to develop.
Relationship Between Adherences of Antiretroviral (ARV) Consumption with Viral Load in HIV/AIDS
Authors: Jayani Indah , Susmiati Susmiati , Mirasa Yudied Agung , Khotimah Khusnul 
Published: December 2021

Viral load testing is an informative and sensitive method for successful HIV / AIDS therapy. This study aims to determine the relationship between adherence to viral antiretroviral consumption and viral load in people with HIV/AIDS. This research is a correlational analytic study using a cross-sectional approach. The population in this study was 34 people and, the number of samples was 32 using the purposive sampling technique. The research sample in this study was 32 respondents. The test results using the Spearman Rank obtained p-value 0,00 > 0,05. It was concluded that there was a relationship between adherence to antiretroviral drugs and viral load. Advice for people with HIV / AIDS is expected to increase adherence to ARV consumption so that viral load is low and undetectable so that CD4 cell count increases and disease prognosis improves.
Analysis of Family Duty with Diet Compliance in Mellitus Diabetes Patients in the Working Area of Dinas Kesehatan, Jayawijaya District
Authors: Winarko Winarko , Indasah Indasah 
Published: December 2021

Non-Communicable Diseases (PTM) has become a serious health problem in the community. One PTM that has received a lot of attention is Diabetes Mellitus (DM) which occurs when the body cannot produce enough of the hormone insulin or cannot use insulin effectively. The aim of this study was to analyze the relationship between family support tasks and dietary adherence in Diabetes Mellitus patients in Jayawijaya District Health Office.
The type of research used is survey research with explanatory research methods. The population in this study were 145 diabetes mellitus patients treated at the Jayawijaya District Health Office. The sample of this study were patients with militus diabetes who underwent treatment at the Jayawijaya District Health Office who met the sample criteria of 58 people. The sampling technique used in this research is purposive sampling technique.
Based on the results of the study there is a relationship between family duties and dietary compliance in diabetus mellitus patients using spearman correlation calculations of 0.000 < 0.05 in addition to data obtained as many as 38 (65.5% ) respondents from 43 respondents of family duties are good and obedient to the diet diabetus mellitus, while from 13 respondents with family duties are quite obtained data as many as 7 respondents (12.1%) disobedient. And from 2 respondents with family duties, less data was obtained by 2 respondents (3.4%) disobedient.
Based on the results of the research, it is hoped that further communication, information, and education (IEC) will improve regarding the dietary needs of diabetes mellitus.
The Effect of Sex Education on Premarital Sex Among Adolescents; Literature Review
Authors: Sejati Putri Eka , Mufida Riza Tsalatsatul 
Published: December 2021

Adolescent are an age group that is vulnerable to risky behaviour, including premarital sex, because during adolescent there are various changes both physically, namely the maturation of reproductive organs, emotional changes in attitudes and behaviour as well adolescent mind-sets and social changes. Vulnerable to engage risky behaviour (premarital sex behaviour). Lack of sex education and the misconception of the concept of sex education regarding premarital sex which is misunderstood causes various negative problems is adolescent.
Sex education is a preventive effort to avoid free sex to damage reproductive health and mental unpreparedness in living their days a parents. So it needs extra education so that there is no misunderstanding of the concept of sex education material. The purpose of this paper is to determine the effect of sex education on premarital sex.
This literature review is sourced from the Pubmed and Google Scholar database from 2017-2021 and manually select criteria according o the inclusion and exclusion criteria using the PICOS method, which is relevant and in accordance with the title taken by the author, in this literature review the number of journals reviewed by 8 journals. The result of this literature review found that the effects of sex education on premarital sex include, the lack of knowledge about sex education causes adolescents to take premarital sexual behaviour, imperfect socialization, misunderstanding about of the concept of sex education on premarital sex, strong curiosity and some people think taboo about the concept of sex education. the conclusion in this literature review is the effect of sex education on behaviour sex, namely low knowledge, misunderstanding of the concept of sex education and imperfect socialization, not only from school but the role of the family is needed to instil sex education to reduce sexual behaviour premarital sex in adolescent.
Analysis of Mother's Anxiety Level with Compliance to Visit to Integrated Service Post in the Covid-19 Pandemic at the Tangkiang Public Health Center
Authors: Priyanto Kurniawan Edi , Mardjan Sitti Ramlah 
Published: December 2021

Background : The low achievement of toddler visits during the pandemic to the Tangkiang Integrated Service Post was 20% due to the mother's anxiety when bringing her toddler to the Integrated Service Post during the covid 19 pandemic, the mother of the toddler was afraid of the child and herself being infected by covid 19 when she came to visit the Integrated Service Post.
Purpose : The purpose of this study was to analyze the level of mother's anxiety with the compliance of toddlers' visits to the Integrated Service Post during the Covid 19 pandemic at the Tangkiang Public Health Center, Kintom District, Banggai Regency.
Methods : This study uses a correlational analytic design with a cross sectional approach. The population in this study were 30 respondents with a total sample of 30 respondents. sampling in this study using total sampling technique. Data collection using questionnaires and MCH handbooks. Data analysis to see the relationship between the independent variable and the dependent variable using the chi square statistical test with a significant level of = 0.05.
Results : The results showed that of the 30 respondents, half of the respondents experienced a mild level of anxiety, namely 15 respondents (50.0%) and most of the respondents were obedient in visiting the posyandu, namely as many as 21 respondents (70.0%). The results of data analysis using Chi Square statistical test obtained P value < 0.05 (0.000 < 0.05) which means that there is a relationship between maternal anxiety level and compliance with toddler visits to Integrated Service Post at Post of Public Health Center Tangkiang, Kintom District, Banggai Regency.
Conclusion : Mild mother's anxiety level can affect the compliance of toddlers' visits to posyandu during the Covid 19 pandemic.
Nuclear Adiabatic Effects of Electron-Positron Pairs on the Dynamical Instability of Very-Massive Stars
Authors: Garba Lurwan , Ahmed Firas A. 
Published: December 2021

The adiabatic effects of electron-positron pair-production on the dynamical instability of very-massive stars is investigated from stellar progenitors of carbon-oxygen cores within the range of 64 M < MCO < 133 M both with and without rotation. At a very high temperature and relatively low density; the production of electron-positron pairs in the centres of massive stars leads the adiabatic index to below 4/3. The adiabatic quantities are evaluated by constructing a model into a thermodynamically consistent electron-positron equation of state (EoS) table. It is observed that the adiabatic indices in the instability regions of the rotating models are fundamentally positive with central temperature and density. Similarly, the mass of the oxygen core within the instability region has accelerated the adiabatic indices in order to compress the star, while the mass loss and adiabatic index in the non-rotating model exponentially decay. In the rotating models, a small amount of heat is required to increase the central temperature for the end fate of the massive stars. The dynamic of most of the adiabatic quantities show a similar pattern for all the rotating models. The non-rotating model may not be suitable for inducing the instability. Many adiabatic quantities have shown great effects on the dynamical instability of the massive stars due to electron-positron pair-production in their centres. The results of this work would be useful for better understanding of the end fate of very-massive stars.
Manual Anesthesia Record Keeping at a Tertiary Care Center: A Descriptive Cross-sectional Study
Authors: Sharma Mona , Karki Dikshya , Dhungel Saurya , Gautam Ritika 
Published: December 2021

Introduction: Intraoperative record form is one of the cardinal parts of anesthesia practices. Ideally, it should contain complete information about patients under anesthesia and intraoperative events. It serves as valuable information for subsequent patient management, research, or during medicolegal conditions. The objective of this study was to assess the practice and completeness of manual intraoperative anesthesia record keeping.
Methods: A descriptive cross-sectional study was conducted from May 1 to July 31, 2021, in the postoperative ward of Kathmandu Medical College, which is a multispecialty tertiary care center. Approval from the ethical committee of Kathmandu Medical College Teaching Hospital was obtained (Reference: 2603202105) before conducting the study. Convenience sampling was used. The data were entered in Microsoft Excel and statistical analysis was done using Statistical Package for the Social Sciences version 20. Point estimate was done at 95% Confidence Interval and data present in numbers and percentages. We devised forty-two variables, which included demographics, personal identifiers, intraoperative events, anesthesia and airway management, intraoperative parameters, monitoring and medication.
Results: The overall completion rate was 202 (52.59%) (47.6-57.57 at 95% Confidence Interval). Out of 42 variables, the completion rate of 14 variables was less than 50%. Among those were important parameters such as known allergies 94 (24.4%), Body mass index 50 (13%), intraoperative saturation of oxygen 104 (27%), intraoperative electrocardiogram recording 107 (27.8%), total fluid volume administered 45 (11.7%), patient status on transfer 84 (21.8%) had poor completion rate.
Conclusions: Our intraoperative record form shows poor completion rate, which was similar to other studies. many important variables were missing and had incomplete data.