scholarly journals Comparison of graphic expression of dependences of transporter cut profile of threshing-separating unit on the second volume and spike fraction humidity

2019 ◽  
Vol 19 (3) ◽  
pp. 256-261
Author(s):  
A. G. Dyachenko ◽  
T. P. Savostina ◽  
S. B. Imad
Keyword(s):  
Test Bench ◽  
Unit Length ◽  
Specific Weight ◽  
Point Of View ◽  
Mathematical Methods ◽  
Confidence Factor ◽  
Treated Plant ◽  
Total Separation ◽  
The Given ◽  
Single Cavity

Introduction. Threshing is a multifactorial process which is affected, in particular, by the feedrate of the crop, the specific weight of the threshed grain and return, separation rates, weediness and moisture of the crop. From this point of view, the issues of optimizing the profile of the transporter cut, which allows for threshing and separation with the least effort, are also relevant. It was also experimentally established that the threshing process is affected by the volume of grain material delivered per second (second feed) and the unit velocity.Materials and Methods. The studies were conducted on a test bench equipped with a threshing-separating device in the form of a single-cavity hyperboloid. When performing the work, the width of the drum was divided into three zones, and the length – into five cells. Wheat grain, obtained through threshing and separation in each zone and cell, came to individual containers. Straw was collected separately. Then, the grain and straw were weighed. The resulting data was processed by statistical and mathematical methods.Research Results. The lengths of each cell were calculated based on the ratio of the total separation and the amount of grain mass per unit length. The lengths of each cell were calculated depending on changes in humidity. Indicators of the ratio between mass humidity and cell length are presented in the form of a table. By the given table values for different moisture levels of the grain mass, graphs were constructed, each of which was described by a mathematical model considering the drum length and width. An averaged cut profile is presented for the treated plant mass with humidity of 8%, 12%, 16%, 20%, and 24%.Discussion and Conclusions. Analysis of the data in this paper and earlier ones provides the comparison of the graphic expression of the dependences of the transporter cut profile on the second volume and humidity of the grain mass entering it. It has been established that the cut profile curves are identical along the entire length of the drum. The confidence factor is close to 1, which indicates the accuracy of the model. The identity of the averaged cut profiles is obviously dependent on moisture of the plant mass and on the second feed. 

scholarly journals Innovative approaches to enterprise competitiveness assessment

2021 ◽  
pp. 278-289
Author(s):  
Nataliya Tyukhtenko ◽  
Serhii Makarenko ◽  
Nataliia Oliinyk ◽  
Edwin Portugal
Keyword(s):  
Specific Weight ◽  
Point Of View ◽  
Mathematical Methods ◽  
Light Industry ◽  
Abstract Logic ◽  
Industrial Enterprises ◽  
Enterprise Competitiveness ◽  
Business Entities ◽  
The Impact ◽  
Integral Indicator

An important condition for the effective functioning of business entities of all forms of ownership in modern conditions of uncertainty and environment instability is the correct assessment of market conditions and opportunities in short- and long-term perspectives. The article aims to analyse modern methodological approaches to assess the competitiveness of enterprises to identify and justify possible aspects of their improvement considering the specifics of the functioning of domestic research objects. The research’s methodology based on domestic and foreign scientific works, leading experts’ opinions, statistical data, and public authorities’ analytical materials. The results were obtained by using expert methods – to investigate the impact of market factors and resource potential on light industry enterprises competitiveness; economic and mathematical methods – to calculate the integral indicator of the enterprise competitiveness; abstract-logic method – to theoretical generalization and formulation of conclusions. In determining the integral indicator of enterprise competitiveness, the method of taxonomic analysis was used with additional consideration of the specific weight of each factor influence on an integral indicator of enterprise competitiveness. In determining the specific impact of the indicators on the integrated indicator of the industrial enterprises’ competitiveness, the external experts’ views involved in the industry, their qualification competencies, and the level of fluctuations in the middle of the study group were considered. It was revealed that the existence of an enterprise could be considered objectively justified if it produces goods needed from the public point of view and uses resources within the qualitatively and quantitatively defined by society. Therefore, it was proposed to allocate eight levels of competitiveness, considering the technological and resource armament to grade the light industry enterprises'' competitiveness.

THE ISSUE OF MINORS’S GUARDIANSHIP SENTENCED TO IMPRISONMENT

2020 ◽  
pp. 33-37
Author(s):  
Ирина Викторовна Евстафьева
Keyword(s):  
Juvenile Offenders ◽  
Legal Status ◽  
Careful Consideration ◽  
Point Of View ◽  
Sufficient Detail ◽  
Domestic Legislation ◽  
The Status ◽  
Correct Understanding ◽  
The Given

В статье исследуются вопросы попечительства в отношении несовершеннолетних, отбывающих наказание в виде лишения свободы. Проблема, поднимаемая автором настоящей статьи, многогранна, касается различных аспектов отбывания наказания несовершеннолетними в воспитательных колониях и требует комплексного исследования, способного ответить на определенно значимый вопрос: является ли колония законным представителем находящихся в ней несовершеннолетних со всеми вытекающими из статуса законных представителей последствиями. При этом необходимо обращать внимание на специфику правового статуса лиц, отбывающих наказание в воспитательных колониях, которые, во-первых, являются несовершеннолетними, то есть не обладают дееспособностью в полном объеме и нуждаются в особой заботе, защите и представительстве, а во-вторых, осуждены за совершение тяжкого или особо тяжкого преступления, влекущего изоляцию от общества и определенные ограничения и лишения. Отечественное законодательство достаточно детально регламентирует особенности режима отбывания наказания в виде лишения свободы несовершеннолетними, не определяя при этом статуса воспитательных колоний, кем они являются: воспитателями, попечителями или исключительно учреждениями исполнения наказаний. Между тем правильное понимание значения и роли воспитательной колонии в жизни находящихся в ней несовершеннолетних преступников, по мнению автора, поможет избежать ряда проблем, объективно складывающихся в учреждениях подобного рода. С этой точки зрения предлагаемая тема представляет интерес не только для ученых-теоретиков, но и для практиков - сотрудников соответствующих учреждений. Особо следует подчеркнуть, что исследований по данной тематике в специальной литературе нет. Отдельные исследования, встречающиеся в современной литературе, касаются исключительно общего гражданско-правового статуса несовершеннолетних осужденных. Однако это обстоятельство может свидетельствовать только о новизне данной темы, но никак не об отсутствии самой проблемы. The article analyzes the issues of the status of educational colonies as guardians of minors serving a sentence of imprisonment. In fact, the problem raised by the author of this article is multifaceted, concerns various aspects of the serving of punishment by minors in educational colonies and requires a comprehensive study that can answer, it seems, a definitely significant question: whether the colony is the legal representative of the minors in it with all the consequences arising from the status of legal representatives in the form of duties and responsibilities. At the same time, it seems, it is necessary to pay attention to the specifics of the legal status of citizens serving sentences in educational colonies, who, firstly, are minors, i.e. do not have full legal capacity and need special care, protection and representation, and, secondly, are convicted of committing a serious or particularly serious crime, entailing isolation from society and certain restrictions and deprivation. Domestic legislation regulates in sufficient detail the peculiarities of the regime of serving sentences in the form of deprivation of liberty by minors, without determining the status of educational colonies. Who are they: educators, Trustees or only institutions of execution of punishments. Meanwhile, the correct understanding of the importance and role of the educational colony in the life of juvenile offenders in it, according to the author, will help to avoid a number of problems that objectively develop in institutions of this kind. From this point of view, the proposed topic is of interest not only for theoretical scientists, but for practitioners-employees of relevant institutions. It should be emphasized that there are no studies on this subject in the special literature. However, this circumstance can testify only about novelty of the given subject, but in any way about absence of the problem. It seems that the relevance and importance of a problem is not always measured by the number of studies devoted to it. Sometimes these its traits are manifest only under particularly careful consideration.

scholarly journals The Metano Modeling Toolbox MMTB: An Intuitive, Web-Based Toolbox Introduced by Two Use Cases

Metabolites ◽  
2021 ◽  
Vol 11 (2) ◽  
pp. 113
Author(s):  
Julia Koblitz ◽  
Sabine Will ◽  
S. Riemer ◽  
Thomas Ulas ◽  
Meina Neumann-Schaal ◽  
...  
Keyword(s):  
Metabolic Networks ◽  
Point Of View ◽  
Use Cases ◽  
Mathematical Methods ◽  
State Behavior ◽  
Web Based ◽  
Research Fields ◽  
Balance Analysis ◽  
Metabolic Models ◽  
User Friendly

Genome-scale metabolic models are of high interest in a number of different research fields. Flux balance analysis (FBA) and other mathematical methods allow the prediction of the steady-state behavior of metabolic networks under different environmental conditions. However, many existing applications for flux optimizations do not provide a metabolite-centric view on fluxes. Metano is a standalone, open-source toolbox for the analysis and refinement of metabolic models. While flux distributions in metabolic networks are predominantly analyzed from a reaction-centric point of view, the Metano methods of split-ratio analysis and metabolite flux minimization also allow a metabolite-centric view on flux distributions. In addition, we present MMTB (Metano Modeling Toolbox), a web-based toolbox for metabolic modeling including a user-friendly interface to Metano methods. MMTB assists during bottom-up construction of metabolic models by integrating reaction and enzymatic annotation data from different databases. Furthermore, MMTB is especially designed for non-experienced users by providing an intuitive interface to the most commonly used modeling methods and offering novel visualizations. Additionally, MMTB allows users to upload their models, which can in turn be explored and analyzed by the community. We introduce MMTB by two use cases, involving a published model of Corynebacterium glutamicum and a newly created model of Phaeobacter inhibens.

scholarly journals Laws of the iterated logarithm on covering graphs with groups of polynomial volume growth

2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Ryuya Namba
Keyword(s):  
Random Walks ◽  
Quadratic Forms ◽  
Volume Growth ◽  
Moderate Deviation ◽  
Point Of View ◽  
Iterated Logarithm ◽  
Large Numbers ◽  
Geometric Point ◽  
Rate Functions ◽  
The Given

AbstractModerate deviation principles (MDPs) for random walks on covering graphs with groups of polynomial volume growth are discussed in a geometric point of view. They deal with any intermediate spatial scalings between those of laws of large numbers and those of central limit theorems. The corresponding rate functions are given by quadratic forms determined by the Albanese metric associated with the given random walks. We apply MDPs to establish laws of the iterated logarithm on the covering graphs by characterizing the set of all limit points of the normalized random walks.

Rail-to-Earth Resistance Assessment for a Medium Capacity Transit System With Continuous Negative Rails by Potential Measurement

2016 ◽  
Author(s):  
Bih-Yuan Ku ◽  
Ching Liang Wu ◽  
Chun-Fu Lin
Keyword(s):  
Unit Length ◽  
Point Of View ◽  
Voltage Sag ◽  
Rapid Transit ◽  
Transit System ◽  
Potential Measurement ◽  
Qualitative And Quantitative ◽  
Ground Resistance ◽  
Traction Current ◽  
Resistance Assessment

This paper presents the development of a qualitative and quantitative assessment of the resistance to ground for the electrically continuous negative rails of a medium capacity transit line of the Taipei Rapid Transit System. Using synchronous potential measurements at three stations we examine potential profiles to locate potential rail sections with low resistance to ground qualitatively. Also the voltage sag values are used to quantitatively calculate rail-to-ground resistance per unit length. The approach presented in this paper requires only voltage measurements with the traction current as the energization source. Thus, this approach can be performed as a routine maintenance procedure to obtain rail-to-ground resistance values from a system-wide point of view.

scholarly journals The Use of the Dynamics of Changes in Table Eggs during Storage to Predict the Age of Eggs Based on Selected Quality Traits

Animals ◽  
2021 ◽  
Vol 11 (11) ◽  
pp. 3192
Author(s):  
Kamil Drabik ◽  
Tomasz Próchniak ◽  
Kornel Kasperek ◽  
Justyna Batkowska
Keyword(s):  
Polynomial Regression ◽  
Egg Quality ◽  
Model Fitting ◽  
Multiple Linear Regression Model ◽  
Specific Weight ◽  
Quality Parameters ◽  
Regression Equations ◽  
Mathematical Methods ◽  
Cage System ◽  
Daily Changes

The aim of the study was to determine daily changes in some egg quality parameters, indirectly reflecting egg freshness, and to assess the possibility of predicting time from laying using mathematical methods. The study material consisted of 365 table eggs of medium (M, ≥53 g and <63 g) and large (L, ≥63 g and <73 g) weight classes (commercial stock, cage system, brown-shelled eggs) collected on the same day. Eggs were numbered individually and placed on transport trays and stored (14 °C, 70% RH). Every day, for 35 days, egg quality characteristics were analyzed (10 eggs per group). The change of traits in time was analyzed on the basis of linear and polynomial regression equations, depending on the trait. Based on model fitting, eight traits were selected as those most affected by storage time: egg weight and specific weight, Haugh units, albumen weight, air cell depth, yolk index, albumen and yolk pH. These traits, excluding those related to the weight, were then used in a multiple linear regression model to predict egg age. All regression models presented in this study were characterized by high predictive efficiency, which was confirmed by comparison of the observed and estimated values.

scholarly journals Lak proverbs with the religious code of culture

2020 ◽  
Vol 11 (4) ◽  
Author(s):  
Mariana Abakarova
Keyword(s):  
Morphological Analysis ◽  
Semantic Analysis ◽  
Native Speakers ◽  
Point Of View ◽  
The Social ◽  
Present Participle ◽  
Cultural Code ◽  
Positive Traits ◽  
The Given ◽  
Syntactical Analysis

The article analyzes Lak proverbs with the religious cultural code. The research was based on the descriptive method, syntactical analysis, morphological analysis and cognitive analysis. The proverbs collected from 3 books of Lak proverbs were analyzed from the point of view of semantics, axiological connotations, syntax and morphology. Semantic analysis revealed 6 groups of lexemes: (1) denominations of people; (2) words related to religious pillars and rituals; (3) words related to holy scriptures, religious attributes and terms; (4) words denoting death and afterlife; (5) words denoting commendable religious acts and notions; (6) words denoting sin and punishment. In the course of the axiological analysis there have been defined proverbs with positive evaluation of a person and proverbs with negative characteristics of a person. Positive traits include honesty, piety, decency, erudition and diligence, while negative ones include insulation, indecency, hypocrisy and negligence in the religious worship. Syntactical analysis of the Lak proverbs has revealed the presence of adverbs of asyndetic structure within which there have been established adversative, concessive and comparative relations, as well as of proverbs with copulative and disjunctive conjunctions. Some of the proverbs are based on the principle of alogism. Morphological analysis of the proverbs has revealed the most frequent grammatical tense, the Present Affirmative Tense, which is formed by means of adding the affix -r to the present participle. The Present Affirmative Tense in the Lak language denotes an action as an attribute of the subject which explains the fact of usage of this tense in proverbs that summarize the social experience of the native speakers. Lak proverbs with the given code have not been researched earlier that makes this study relevant.

scholarly journals Нейросетевой метод прогнозирования образования дефектов на поверхности тонких пленок ITO при механических нагрузках

2018 ◽  
Vol 44 (9) ◽  
pp. 81
Author(s):  
Д.А. Кириенко ◽  
О.Я. Березина
Keyword(s):  
Defect Density ◽  
Unit Length ◽  
High Accuracy ◽  
Mathematical Methods ◽  
Polymer Substrates ◽  
Transparent Conducting ◽  
Bending Radius ◽  
Conducting Coating ◽  
Average Defect ◽  
Transparent Conducting Coatings

AbstractA method for determining the number of defects arising under compressive and tensile stress in bended thin transparent conducting coatings on polymer substrates is proposed. This algorithm is based on the use of mathematical methods of artificial neural networks. The network is trained for calculating the average defect density per unit length at the input parameters corresponding to film and substrate sizes, surface resistance of the conducting coating, and bending radius. The application of this method allows one to determine the average defect density with high accuracy.

scholarly journals The Position of Heterodox Economics in Economic Science

2021 ◽  
Vol 66 (2) ◽  
pp. 275-290
Author(s):  
Eleonóra Matoušková
Keyword(s):  
Point Of View ◽  
Austrian School ◽  
Economic Science ◽  
Left Wing ◽  
Mathematical Methods ◽  
Heterodox Economics ◽  
Homo Economicus ◽  
Common Features ◽  
Economic Problems ◽  
Theoretical Approaches

In economic science dominate orthodox economics (mainstream economics respectively neoclassical economics). Despite its numerous intellectual failures, orthodox economics continue to prevail in teaching at universities. A certain alternative to orthodox economics is heterodox economics, which consists of three groups of theoretical approaches, represented by the Left-wing heterodoxy and Neo-Austrian school (we include them together in the Old heterodoxy) and the New heterodoxy. The objective of this article is to define the differences between orthodox economics and heterodox economics, to find common features of individual heterodox approaches and identify substantial differences between them and also highlight the relevance of these heterodox approaches from the point of view of the challenges we are facing today. A common characteristic of heterodoxy is the rejection of orthodoxy, especially its research methods. Heterodox economists reject the axiom that individuals are always rational, the concept of ‘homo economicus’, the application of a formal-deductive approach, the use of mathematical methods in cases that are not appropriate for this, and access from a closed system position. Heterodoxy is a very diverse theoretical tradition, and there are differences not only between the Left-wing heterodoxy, Neo-Austrian school and New heterodoxy, but also within these heterodox groups. They differ on specific topics they deal with and proposed solutions to socio-economic problems.

scholarly journals Economical assessment of an investment related to the establishment of a new farrowing place and pig-rearing building

2019 ◽  
Vol 7 (1-2) ◽  
pp. 115-120
Author(s):  
Brigitta Zsótér ◽  
Ágnes Milojev
Keyword(s):  
Net Present Value ◽  
Research Work ◽  
The State ◽  
Point Of View ◽  
Bank Credit ◽  
Internal Rate Of Return ◽  
Present Value ◽  
Payback Time ◽  
Pig Farm ◽  
The Given

In our research work we aimed at carrying out an economical assessment of an investment and development of substantial volume. The examined project was completed at a pig-farm during which a new farrowing place and pig rearing building were built, as well as the renovation of the existing pig-farm. All of them were financed partly from the firm’s own source, partly from a non-repayable aid granted by the state, and finally from a credit granted by a commercial bank. The term of the credit is 10 years and the return of the investment expected by the investors is 8%, so we carried out our calculations according to these data. We examined the three possible ways of financing the investment from the economical point of view, as a result we proposed three hypotheses. Our hypotheses are: Hypothesis 1 (Case „A”): The investment will be financially recovered within the examined period of 10 years if it is financed from the firm’s own source, the state grant and the bank credit. Hypothesis 2 (Case „B”): The investment can be economically completed within the given period of time if the project meets the costs from the firm’s own source and the credit. Hypothesis 3 (Case „C”): The investment will be economically accomplished within the examined 10 years provided the firm finances the project from their own source and the state grant. In our calculations we used the net present value (NPV), the internal rate of return (IRR), the payback time (PB), the discounted payback time (DPB) and the profitability index (PI) as economy indicators. We carried out our calculations regarding 10 years to be able to compare the results since the term of the granted credit is 10 years, too.  

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