scholarly journals A review of the different boiler efficiency calculation and modeling methodologies

2021 ◽  
Vol 86 (1) ◽  
Author(s):  
Cristian David Mojica-Cabeza ◽  
Carlos Eduardo García-Sánchez ◽  
Ramón Silva-Rodríguez ◽  
Luis García-Sánchez
Keyword(s):  
Empirical Models ◽  
Mechanistic Modeling ◽  
Empirical Modeling ◽  
Analytical Models ◽  
Mechanistic Models ◽  
First Approximation ◽  
Boiler Efficiency ◽  
The Subject ◽  
Industrial Level ◽  
High Level

A review of the different mathematical methodologies for calculating energy efficiency in boilers was carried out in this work, considering both the methods included in standards and the proposals and applications published in research works. The classification was delimited in analytical methods, mechanistic modeling, and empirical modeling; moreover, the main equations for each of the methodologies are presented, which allows building a compilation that is expected to be useful for a first approach to the subject. It is displayed that those mechanistic models are used to evaluate subsystems or specific cases that require a high level of detail, while analytical models are used to make a first approximation to the systems described, and empirical models stand out in terms of their use at the industrial level if there is access to a starting database to adjust them.

PELAKSANAAN MODEL PEMBELAJARAN KOOPERATIF TIPE STAD UNTUK MENINGKATKAN HASIL BELAJAR PPKn SISWA SMP NEGERI 3 TELUK KUANTAN

2018 ◽  
Vol 2 (5) ◽  
pp. 789
Author(s):  
Maria Yulianti
Keyword(s):  
Cooperative Learning ◽  
Initial Data ◽  
Student Learning ◽  
Learning Outcomes ◽  
Student Learning Outcomes ◽  
Learning Model ◽  
Learning Models ◽  
The Subject ◽  
High Level

The background of this study was the low student learning outcomes of PPKn, from 28 students who achievedthe completeness criteria at least only 11 students (39.29%). The low student learning outcomes are caused bythe high level of individuality between students so that the achievement of competence among studentsexperiences a very distant difference. Based on this, the researchers made improvements to student learningoutcomes through the application of STAD cooperative learning models. This research is a classroom actionresearch, with the subject of class VII of SMP Negeri 3 Teluk Kuantan. The data used in this study is PPKnlearning outcomes data. The results stated that after applying the STAD type cooperative learning model studentlearning outcomes had increased in the initial data the number of students who completed were 11 students, incycle I had an increase with the number of 18 students, and in cycle II the number of students who completedcontinued to increase by the number 22 student.

التغير المناخي واثره في المقنن المائي لمحصول العنب في محافظة ديالى

2019 ◽  
Vol 1 (34) ◽  
pp. 391-422
Author(s):  
اشواق حسن حميد صالح
Keyword(s):  
Climate Change ◽  
Statistical Analysis ◽  
Wind Speed ◽  
Extreme Temperature ◽  
Solar Brightness ◽  
The Subject ◽  
Climate Station ◽  
The Times ◽  
High Level ◽  
Very High

Climate change and its impact on water resources is the problem of the times. Therefore, this study is concerned with the subject of climate change and its impact on the water ration of the grape harvest in Diyala Governorate. The study was based on the data of the Khanaqin climate station for the period 1973-2017, (1986-2017) due to lack of data at governorate level. The general trend of the elements of the climate and its effect on the water formula was extracted. The equation of change was extracted for the duration of the study. The statistical analysis was also used between the elements of the climate (actual brightness, normal temperature, micro and maximum degrees Celsius, wind speed m / s, relative humidity% The results of the statistical analysis confirm that the water ration for the study area is based mainly on the X7 evaporation / netting variable, which is affected by a set of independent variables X1 Solar Brightness X4 X5 Extreme Temperature Wind Speed ​​3X Minimal Temperature and Very High Level .

Determinants of Abuse of the Bodies of the Dead

2019 ◽  
pp. 71-77
Author(s):  
Margarita Khomyakova
Keyword(s):  
Low Income ◽  
Criminal Code ◽  
Value Judgments ◽  
Legal Norms ◽  
Low Level ◽  
Medical Institutions ◽  
Specific Object ◽  
The Subject ◽  
The Dead ◽  
High Level

The author analyzes definitions of the concepts of determinants of crime given by various scientists and offers her definition. In this study, determinants of crime are understood as a set of its causes, the circumstances that contribute committing them, as well as the dynamics of crime. It is noted that the Russian legislator in Article 244 of the Criminal Code defines the object of this criminal assault as public morality. Despite the use of evaluative concepts both in the disposition of this norm and in determining the specific object of a given crime, the position of criminologists is unequivocal: crimes of this kind are immoral and are in irreconcilable conflict with generally accepted moral and legal norms. In the paper, some views are considered with regard to making value judgments which could hardly apply to legal norms. According to the author, the reasons for abuse of the bodies of the dead include economic problems of the subject of a crime, a low level of culture and legal awareness; this list is not exhaustive. The main circumstances that contribute committing abuse of the bodies of the dead and their burial places are the following: low income and unemployment, low level of criminological prevention, poor maintenance and protection of medical institutions and cemeteries due to underperformance of state and municipal bodies. The list of circumstances is also open-ended. Due to some factors, including a high level of latency, it is not possible to reflect the dynamics of such crimes objectively. At the same time, identification of the determinants of abuse of the bodies of the dead will reduce the number of such crimes.

Philosophical and Cultural Aspects of Medical Profession: Philosophical and Conceptual Peculiarities

Cultura ◽  
2019 ◽  
Vol 16 (1) ◽  
pp. 165-174
Author(s):  
Iryna MELNYCHUK ◽  
Nadiya FEDCHYSHYN ◽  
Oleg PYLYPYSHYN ◽  
Anatolii VYKHRUSHCH
Keyword(s):  
Medical Students ◽  
Medical Profession ◽  
Subject Area ◽  
Human Relations ◽  
Cultural Aspects ◽  
Cultural Proximity ◽  
Personal Qualities ◽  
The Subject ◽  
Ecological Culture ◽  
High Level

The article analyzes the philosophical and cultural view of “doctor’s professional culture” as a result of centuries-old practice of human relations, which is characterized by constancy and passed from generation to generation. Medicine is a complex system in which an important role is played by: philosophical outlook of a doctor, philosophical culture, ecological culture, moral culture, aesthetic culture, artistic culture. We have found that within the system “doctor-patient” the degree of cultural proximity becomes a factor that influences the health or life of a patient. Thus, the following factors are important here: 1) communication that suppresses a sick person; 2) the balance of cultural and intellectual levels; 3) the cultural environment of a patient which has much more powerful impact on a patient than the medical one.At the present stage, the interdependence of professional and humanitarian training of future specialists is predominant, as a highly skilled specialist can not but become a subject of philosophizing. We outlined the sphere where the doctors present a genre variety of philosophizing (philosophical novels, apologies, dialogues, diaries, aphorisms, confessions, essays, etc.). This tradition represents the original variations in the formation of future doctor’s communicative competences, which are formed in the process of medical students’ professional training.A survey conducted among medical students made it possible to establish their professional values, which are indicators of the formation of philosophical and culturological competence. It was found out that 92% of respondents believed that a doctor should demonstrate a high level of health culture (avoid drinking and smoking habits, etc.)99% of respondents favoured a high level of personal qualities of a doctor which would allow methods and forms of medical practice to assert higher human ideals of truth, goodness and beauty that are the subject area of cultural studies and philosophy.

scholarly journals High Level Waste (HLW) Vitrification Experience in the US: Application of Glass Product/Process Control to Other HLW and Hazardous Wastes

2008 ◽  
Vol 1107 ◽  
Author(s):  
Carol M. Jantzen ◽  
James C. Marra
Keyword(s):  
Process Control ◽  
High Level Waste ◽  
Glass Product ◽  
Mechanistic Models ◽  
Glass Waste ◽  
Statistical Process ◽  
Feed Composition ◽  
Feed Forward ◽  
Bonding Structure ◽  
High Level

AbstractVitrification is currently the most widely used technology for the treatment of high level radioactive wastes (HLW) throughout the world. At the Savannah River Site (SRS) actual HLW tank waste has successfully been processed to stringent product and process constraints without any rework into a stable borosilicate glass waste since 1996. A unique “feed forward” statistical process control (SPC) has been used rather than statistical quality control (SQC). In SPC, the feed composition to the melter is controlled prior to vitrification. In SQC, the glass product is sampled after it is vitrified. Individual glass property models form the basis for the “feed forward” SPC. The property models transform constraints on the melt and glass properties into constraints on the feed composition. The property models are mechanistic and depend on glass bonding/structure, thermodynamics, quasicrystalline melt species, and/or electron transfers. The mechanistic models have been validated over composition regions well outside of the regions for which they were developed because they are mechanistic. Mechanistic models allow accurate extension to radioactive and hazardous waste melts well outside the composition boundaries for which they were developed.

scholarly journals Toward a More Expansive Discourse in a Changing World: An Analysis of Political Leaders’ Speeches on Biodiversity

2021 ◽  
Vol 13 (5) ◽  
pp. 2899
Author(s):  
Sang Hun Lee ◽  
Yi Hyun Kang ◽  
Rong Dai
Keyword(s):  
Biodiversity Conservation ◽  
Policy Process ◽  
Biological Diversity ◽  
Convention On Biological Diversity ◽  
Decision Making Process ◽  
Political Leaders ◽  
Host Countries ◽  
Global Pandemic ◽  
The Subject ◽  
High Level

Speeches delivered in the Conference of the Parties (COPs) to the Convention on Biological Diversity represent leading discourses about biodiversity conservation. The discourse shared by high-level politicians is especially influential in the financing and decision-making process of global biodiversity governance. However, the speeches given in the COPs have not been the subject of systematic analyses until now. This study analyzes the host countries’ speeches given at the six most recent COPs and investigates which discourses have been expressed in the speeches. The regulatory discourse that views nature as a resource was found to be the dominant discourse, while other discourses that view nature as a scientific object or a spiritual entity were represented only marginally. As the need for a transformational policy for biodiversity conservation is growing amid a global pandemic, it is essential to deepen our understanding of the dynamics and complexity of nature and reflect it in the policy process. This study suggests that more balanced discourse on biodiversity may earn broader audiences’ consensus on biodiversity conservation.

The issues of counteracting with resurgence of crimes: past and present trends

2019 ◽  
pp. 49-60
Author(s):  
Николай Алексеевич Коломытцев
Keyword(s):  
Case Law ◽  
Recidivism Rates ◽  
Legal Rules ◽  
Law Enforcement Officials ◽  
Crime Detection ◽  
The Subject ◽  
Judicial Errors ◽  
High Level ◽  
Detention Facilities

Наличие значительного уровня рецидива в стране напрямую связано с весьма низкой (до 47 %) раскрываемостью преступлений. Кроме того, высокий уровень рецидива преступлений свидетельствует о том, что применяемое к осужденным уголовное наказание в виде лишения свободы не всегда оказывает на них должное воспитательное и принудительное воздействие. Эта ситуация обусловлена недостатками деятельности администрации учреждений уголовно-исполнительной системы. Пробелы в законодательстве, ошибки в избрании судом вида и срока наказания сказываются на его эффективности. Рост рецидива преступлений связан и с неблагополучной жизненной ситуацией, в которой часто оказываются освобожденные от отбывания наказания. Все сказанное убедительно подтверждает актуальность и научную новизну данной работы. Целью написания данной статьи является попытка определения комплексной реализации борьбы с рецидивом преступлений. Предмет изучения рецидива преступлений определяется важностью существующих ценностей, причиняемым им ущербом и общественным резонансом в отношении этого явления. Методологическую основу работу составил метод познания, общенаучные и частнонаучные методы изучения. При этом использовались труды отечественных и зарубежных правоведов. В статье автор рассматривает историко-правовой, криминологический, уголовно-правовой и уголовно-исполнительный аспекты рецидива преступлений, анализирует законодательство и судебную практику за длительное время. Приводится понятие указанного социально-правового явления, предлагаются определенные направления его предупреждения. Статья представляет интерес для курсантов, слушателей, студентов юридических вузов, преподавателей и сотрудников правоохранительных органов. The high level of relapse in our country depends on the low crime detection rate (less than 47 %). In this context, ineffective penalization measures for offenders in prison can have an impact on recidivism rates. This fact revealed serious deficiencies in the administration of detention facilities. Gaps in legislation, judicial errors in the sentencing proceeds, incorrect type of punishment and penalty negatively affect the itseffectiveness. Difficult circumstances for discharged prisoners might cause the growth of resurgence. Thus, this article devoted to the topical and innovative issue. The aim of this article is to combat and prevent criminal activities in the area of resurgence. The subject matter of recidivism is determinated by the importance of social values, the harm inflicted, and public outcry provoked with this phenomenon. A methodological framework for this research includes the cognition method, common and private methods. The author used native and foreign scholarly writings. The author researches a historical and legal, criminological, criminal and penal reviews of relapse. He analysis legal rules and case law over a long term. “Resurgence of crimes” is defined. Some means of relapse prevention are supposed. The article might be meaningful for the students and tutors of law faculties, and also for the law enforcement officials.

Factors Affecting the Achievement of Students in Economic Subject

2021 ◽  
Vol 12 (3) ◽  
pp. 1330-1336
Author(s):  
Siti Hadijah Che Mat Et.al
Keyword(s):  
Teaching Methods ◽  
Teaching And Learning ◽  
Mean Value ◽  
General Interest ◽  
Factors Affecting ◽  
Teaching And Learning Environment ◽  
Learning Techniques ◽  
Economic Program ◽  
The Subject ◽  
High Level

There are various factors influencing a student’s academic achievement at any level, either primary, secondary or tertiary. These factors include attitudes, learning techniques, general interest in the subject matter, factors related to teacher, family or friends, previous achievements, teaching and learning environment and facilities, infrastructure, and teaching methods. This article explores factors affecting the achievement of student of a course offered in the economic program of universitiutaramalaysia. For this article, a total of 220 students who registered for macroeconomics course at universitiutaramalaysia were randomly selected to be the study sample. of the 220 responses, only 211 were analysed because some questionnaire forms was returned with incomplete information. these students consist of second, third and fourth year students. The study found that among the items in the lecturer preparation factor which came with high mean scores is the item "lecturer shows dedication in teaching". There is no denying that teaching and learning methods incorporating the latest technology and trends are desirable but the study shows that teaching using longstanding approach like using whiteboards is still preferable among students and gives the highest mean value of 7.44, which is a high level score. In terms of learning techniques, the study found that students are not consistent between the goals to achieve excellence with the appropriate effort taken by them. although they want to achieve high excellence in this subject but their efforts and actions are not inclined to that desire

THE ROLE OF ACCOUNTING AND CONTROL IN THE MANAGEMENT OF ECONOMIC SECURITY OF AN ORGANIZATION

2021 ◽  
Vol 7 (2) ◽  
pp. 165-178
Author(s):  
Nicolay T. Labyntsev ◽  
Lyubov F. SHILOVA ◽  
Ocsana V. Chukhrova
Keyword(s):  
Economic Security ◽  
Accounting Profession ◽  
Economic Management ◽  
Economic Interests ◽  
Doing Business ◽  
The Subject ◽  
The Stability ◽  
High Level ◽  
And Control

This article revises the mission and the name of the accounting profession in the context of strengthening the economic security of enterprises under the conditions of digitalization of the economy. The authors note that in the contemporary conditions of economic management, enterprises should form and ensure the functioning of the economic security of the enterprise at the proper level. The necessity of in-depth research of economic security at microlevel was considered, the factors influencing the stability of the enterprise were highlighted. High level of economic security of the subject of management consists in guaranteeing him maximum effective and stable functioning now and in future. Subjects of economic security were individual enterprises, and objects — their economic interests. The main goals of ensuring economic security of the enterprise in the part of accounting were singled out, the tasks of accounting policy, aimed at ensuring economic security, were determined. The prospects of the accounting profession in the process of ensuring economic security and reliable safe presentation of the results of doing business in reporting are substantiated. The study contains proposals on the revision of requirements for the qualifications of accountants in order to emphasize their activities aimed at strengthening the economic security of the enterprise.

Teaching and Learning activities that promote effective learning of Research Methodology among Psychology students

2021 ◽  
Author(s):  
Minu Mathews
Keyword(s):  
Teaching And Learning ◽  
Psychology Students ◽  
Learning Activities ◽  
Student Perspective ◽  
Effective Learning ◽  
Psychology Courses ◽  
The Subject ◽  
Analyse Data ◽  
High Level

BackgroundCreating a conducive environment for learning cultivates engaged and independent learners, allowing for high-level learning (Warren, 2004). When assessing the diverse Psychology courses that exist, the evaluation of Research Methods (RM) teaching and its associated pedagogies is high on the agenda of college based Higher Education (Burton & Schonfield, 2011). ObjectiveThis study aimed at exploring what range of teaching and learning activities (TLA’s) promote effective learning of RM among Psychology students. Additionally, it aimed to understand, from a student perspective, what ‘effective learning’ meant in the context of RM. MethodA mixed methods approach comprising of both surveys as well as focus groups was conducted with undergraduate Psychology students. Thematic analysis and basic frequencies were used to analyse data. Results Results demonstrated that both student and teacher-led activities were beneficial and worked complementarily for students in their understanding of the subject whilst serving different purposes. Practical labs and class exercises were the top activities highlighted (student-led) followed by lectures and flow chart concept checks (teacher-led). Furthermore, ‘effective learning’ encapsulated not just a long-term knowledge acquisition of concepts but the ability to apply one’s knowledge to the wider context. Conclusion and teaching implication Findings are in line with the Conception of Learning which has a nested hierarchy consisting of both surface learning elements and deep learning (Marton,Dall’Alba & Beaty, 1993). RM has been identified as a difficult subject to teach as well for students to learn (Gray et al., 2015) and as a result this study teases apart some of the most beneficial techniques from a student perspective to be considered when designing the structure and delivery of RM courses.

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