bluuebunny/crossref_metadata_2025 huggingface dataset:
A Simple Methods for Determination of Methylene Blue using Smartphone-Based as Digital Image Colorimetry
Authors: Permana Muhamad Diki , Sakti Lintang Kumoro , Luthfiah Annisa , Firdaus M Lutfi , Takei Takahiro , Eddy Diana Rakhmawaty , Rahayu Iman
Published: January 2023

The advancement of smartphones that produce high-resolution photos has made their use even more developed. One application that is currently developing is a digital image produced as colorimetry. Digital image-based colorimetry is an easy and simple determination method and can be an alternative for analyzing dyes quantitatively. In this method, the color response of the digital image is analyzed, namely red-green-blue (RGB) with values from 0 to 255. This data is extracted from digital images using ImageJ 1.52a software for quantitative determination. In this study, 2 standard methods were used, namely external standards and standard addition to evaluating the most suitable method to obtain accurate measurements. In addition, 2 methods were used to determine the relationship of response to methylene blue levels. The 1st method used simple linear regression of each color red, green, or blue (univariate). The 2nd method is used in multivariate linear regression of the 3 colors red, green, and blue. The accuracy of the method was validated using UV-Vis spectrophotometry as the reference method. The results showed that the multivariate models produced very good accuracy, namely precision of up to 99 % compared to the simple regression method with the univariate.
HIGHLIGHTS

Smartphone cameras can be applied easily as a simple, fast, and inexpensive colorimetric method for quantitative analysis of methylene blue content
The univariate models for external standard and standard addition methods showed up to 90 % precision for fish drug samples against UV-Vis spectrophotometric methods
The multivariate models for the external standard method provide up to 99 % precision results for fish drug samples against UV-Vis spectrophotometric methods·         

GRAPHICAL ABSTRACT
Review on Preparation of SOPs for Different Instruments or Equipment
Authors: Shubhangi S. Pawar  , Sanjay K. Bais  , Akshay S. Pawar
Published: January 2023

This chapter discusses the operating procedures of various equipment used in amolecularbiologylaboratory,whichinvolveshandling,riskmanagement,requirements,standards,andmaintenanceoftheequipment&theirpurpose,benifit, desgining sop, procedure ect. The equipment discuss tablet coating, tablet compression, capsule filling, In This review article i review on no. Of articles and as summary of those all articles this article is presenting information regarding the SOP's their manufacturing, use, advantages, Goals behind the SOP preparation as well safe and effective operation of any process.(1) SOP'sarethedocumentornotethetisusefullinindustryFromenteyinindustryto exit from the industry, The SOP guide us to what to do?, how to do?, when to do? e.t.c. in industry their are some authority who prepare SOP's . An SOP should be regularly checked, signed and approved as when required. Different examples of SOP are given in This review article.(1).
ANALYSIS OF FARMERS’ BUSINESS SCHOOL PARTICIPATION ON COCOA PRODUCTIVITY IN ONDO STATE, NIGERIA
Authors: Owoeye R. S. , Sekumade A. B. , John Didunyemi Adekunle , Falade M. J.
Published: January 2023

Various models and approaches are being implemented to provide technical assistance and support to improve cocoa productivity in Ondo State of Nigeria. This study compared Farmers’ Business School (FBS) participation and non- participation on cocoa farmer’s productivity. The study specifically described the socio-economic characteristics of the farmers, examined factors determining participation in (FBS) among cocoa farmers, estimated cost and returns of the two categories and determined the technical efficiency of cocoa production for both participants and non-participants. Multi-stage sampling technique was used to obtain data from 90 cocoa farmers that were selected from three Local Government Areas in Ondo State based on their participation and non-participation in (FBS). Descriptive Analysis, Gross Margin, Logit model and stochastic frontier production function were used to analyse the data. Result from descriptive analysis revealed that the mean age of the respondent was 54.2 years. Majority of the respondent (48.9%) attained secondary education and above. It also showed that 38.9% had above 6 members to make up the household in the study area. Findings also revealed that 33.3% had an average annual income above ₦1.000,000. The result further showed that majority of the respondent produced on a medium scale with average cocoa farm size of 3.5 hectares and the farmers were well experienced. The result on gross margin analysis shows that the total revenue, gross margin and profit for participants in (FBS) were ₦678,601.3, ₦402447.2 and ₦324458.3 respectively. On the other hand, the total revenue, gross margin and profit for the non- participants of (FBS) were ₦345,217.8, ₦231,084.5 and ₦193,795.6 respectively. This figure implies that participants in (FBS) were far better than non- participants in terms of gross margin, total revenue and profit. Result of the logit regression showed that gender, age, educational level, and membership of co operative society were found to be statistically significant. This implies that these variables greatly influenced the decision of the cocoa farmers in the study area to either participate in (FBS) or not. Result from the stochastic frontier production function revealed that family labour, hired labour, pesticides, area of land and amount of fertilizer were statistically significant meaning those variables determined the technical efficiency of the cocoa farmers in the study area while age, frequency of extension contact, household size and member of cooperative greatly influenced the technical inefficiency in the study area.
Algoritmos y género: inteligencia artificial al servicio de la violencia simbólica
Authors: Ledesma José Osvaldo
Published: January 2023

En este estudio se expone cómo el mecanismo de la inteligencia artificial contribuye con la constitución y la expansión de la violencia de género simbólica. La reafirmación de este tipo de violencia se produce a través de los resultados preliminares que la inteligencia artificial arroja a los usuarios en el uso de las plataformas digitales, resultados que conllevan sesgos algorítmicos que operan sobre la base de patrones de búsqueda de los usuarios.
ISLAMIC HOME FINANCING PREFERENCE AND ATTRIBUTES IMPORTANCE AMONG POTENTIAL HOME BUYERS IN MALAYSIA
Authors: Amin Hanudin , Hamid Rizal , Ghazali Mohd Fahmi , Muhammad Sayuti Khadijah
Published: January 2023

The current study evaluates the effects of the subjective norm, pricing policy, institutional compliance on maqasid and blog influence on attitude towards Islamic home financing preference. Besides, the interaction between attitude and consumer preference of Islamic home financing is also examined. The sample includes 153 customers of Islamic banks in East Malaysia, Malaysia. Data are obtained through a self-administered questionnaire. To analyse the data, structural equation model is employed. The study reports that all determinants examined are instrumental in determining attitude towards Islamic home financing preference. In turn, the attitude is an influential predictor of Islamic home financing preference. The results obtained confirm that the Theory of Reasoned Action (TRA) should be applied for understanding and explaining consumer preference of Islamic home financing in Islamic mortgage context. Theoretically, it was found that pricing policy and institutional compliance added to the theory influence on preference in such context. This study provides valuable insights for Islamic bank managers to plan and upgrade Islamic home financing facilities for an improved consumer preference. While Islamic home financing preference is determined by various factors, this study only considers limited factors. Besides, this study is confined to a specific geography. Hence, future research should consider additional factors and to consider new settings to extend the findings.
DETERMINANTS OF PERCEPTION TOWARD LIFE INSURANCE AND ITS IMPACT ON INTENTION TO PURCHASE
Authors: Lim Thien Sang , Dzulkifli Dayang Zuraini , Osman Zaiton , Mohidin Rosle , Abdul Jamal Amer Azlan
Published: January 2023

Life insurance is one of the solutions for managing personal financial risks. It is effective in protecting surviving individuals of families against loss of income resulting from the premature death of bread providers. This study aims to investigate the explanatory factors influencing perception toward life insurance. The research was underpinned by the Perception Formation Model and further supported results of previous findings. Using primary data drawn from respondents up to the age of 35 years old, results based on Variance-based Structural Equation Modelling (SEM) suggested intention to purchase life insurance was related by how people perceive the product itself. As expected, those who favorably perceive life insurance have more inclination to purchase. The resultant outcomes suggested social influence agents, including family members, peers and the Internet significantly explain peoples’ perception toward life insurance. The study implicated industry players in terms of the design of marketing mix and shed lights in better understanding of the complexity in the decision-making process with regards to life insurance purchase intention.
DETERMINANT FACTORS OF EQUITY-BASED CROWDFUNDING IN MALAYSIA
Authors: Abdul Razak Dzuljastri , Abdullah Othman Anwar Hasan , Zulmi Syamsu Rizal , Ismail Iliyas , Sidiki Sylla
Published: January 2023

Crowdfunding as a means for investment using Fintech is relatively new. The popularity of venture capital and angel financing as a source of funds for businesses has decreased due to the advent of Fintech. The services provided are similar to traditional finance, such as simple transactions to payments, brokering and risk management. However, entrepreneurs and project owners are linked to investors by means of digitalization platforms which enable greater participation in sourcing for capital. The objective of this research is to find factors that determine fintech investment using crowdfunding in Malaysia using Technology Acceptance Model (TAM) as its based theory. Four variables are used as measurements, namely perceived informativeness, network externality, return on investment and platform quality. Data is collected by means of questionnaires to investigate the validity of the proposed model. SPSS is then used to analyze the data collected using reliability, correlation and multiple regressions. The result indicated that the perceived usefulness is significantly supported by perceived informativeness, network externality and platform quality. Furthermore, the perceived ease of use is significantly supported by perceived informativeness, network externality and return on investment. The result has contributed to the body of knowledge in this emerging area. It also enables practitioners to determine the significant variables that influence the willingness of customers to place funds via equity-based crowdfunding platforms.
The Effect of the Graphic Organizer Method on Students’ Ability to Write Recount Text at Grade X
Authors: Ansi Rahma Yunita , Harahap Dian Anggraini , Ginting Datulina , Karimaliana Karimaliana , Pane Ali Hasimi
Published: January 2023

This research concerns the students' ability in writing recount text. The problem of the study was: Teachers still used conventional methods in every meeting, causing boredom among the students. Students had less vocabulary, and Students did not master grammar. Students were unable to express their ideas. This research used a non-experimental research design. The data were collected by using the test. To obtain the data, the grade X of MAS Muhammadiyah 2 Kisaran is selected as the respondent. The research subject was grade X MIPA 1 and X MIPA 2. Each class consists of 30 students. The total number of students was 60 students. The reason for choosing this class was because the writer found some students' problems in writing recount text. After the data were analyzed, it could be concluded that there was an effect of the graphic organizer method on the student's ability to write recount text at grade X of MAS Muhammadiyah 2 Kisaran in the 2021/2022 Academic Year. It was proven that there was a high correlation between using the clustering technique and the student's ability to write recount text tcount > ttable. With the description tcount = 7.49 while the ttable = 2.002 (5%).and their relevance in formal evidence to solve real problems.
Соціально-економічна та екологічна стійкість коротких ланцюгів постачання: можливості для розвитку сільських територій
Authors: Babych Mykola
Published: January 2023

У роботі обґрунтовано доцільність розвитку коротких ланцюгів постачання на місцевому рівні. Установлено, що такий підхід забезпечує стійкість розвитку сільської території, зокрема сприяє: соціальній взаємодії, розвитку громади, здоров’ю та добробуту населення, сільському розвитку й економічному відродженню, досягненню економічних вигод фермерськими господарствами, зменшенню споживання енергії та викидів вуглекислого газу, сталості агросистеми.
Управлінський потенціал організаційної культури у розв’язанні ділових конфліктів
Authors: Kopytova Iryna
Published: January 2023

У статті визначено особливості, сутність, зміст, діалектичну природу взаємозв’язку ділових конфліктів й організаційної культури. Обґрунтовано значущість її управлінського потенціалу для забезпечення ефективності конфлікт-менеджменту. Виділено основні вади організаційних культур українських підприємств, що формують високу конфліктогенність організаційних відносин. Запропоновано механізм їх удосконалення.
Тенденції розвитку органічного агровиробництва та регіональний розподіл його суб’єктів в Україні
Authors: Shegeda Alexander
Published: January 2023

Мета. Метою статті є дослідження тенденцій розвитку та специфіки регіонального розподілу суб’єктів органічного агровиробництва в Україні. Методологія / методика / підхід. Теоретико-методичною основою дослідження є діалектичний метод пізнання економічних процесів, фундаментальні положення сучасної економічної теорії, законодавчі акти України, наукові праці вітчизняних і зарубіжних вчених щодо тенденцій розвитку та специфіки регіонального розподілу суб’єктів органічного агровиробництва. Для досягнення поставленої мети використано методи логічного узагальнення та систематизації; абстрактний метод; прийоми аналогії та зіставлення. Для візуального представлення результатів використано картографічний метод. Результати. Установлено, що у світі простежується тенденція до зростання земельних площ під органічним сільським господарством. Доведено, що вітчизняні товаровиробники, адаптуючись до кон’юнктури світових ринків, почали нарощувати обсяги виробництва органічної продукції. Обґрунтовано, що ключовим чинником, який впливає на регіональний розподіл виробників органічної продукції, є наближення до ринків збуту. Оригінальність / наукова новизна. Виявлено тенденції розвитку та специфіку регіонального розподілу суб’єктів з органічного агровиробництва в Україні. Побудовано карти, що демонструють регіональний розподіл кількості  органічних операторів в Україні. Установлено, що більшість органічних господарств розташовані в Київській, Одеській, Вінницькій, Херсонській, Чернівецькій, Тернопільській і Полтавській областях. Щодо регіонального розподілу кількості експортерів та імпортерів органічної продукції, то виявлено їх концентрацію в Херсонській області, що пов’язано з логістичним сполученням. Практична цінність / значущість. Оцінено тенденції розвитку та регіональний розподіл суб’єктів з органічного агровиробництва в Україні. Проаналізовано особливості регіонального розподілу кількості підприємств, що пов’язують свій бізнес з органічним сектором. Проведений аналіз допоможе потенційним товаровиробникам органічної продукції здійснювати планування господарської діяльності.
Агропотенціал України у виробництві біопалива
Authors: Melnyk Nataliia
Published: January 2023

Мета. Метою цього дослідження є аналіз потенціалу відновлювальної енергетичної сільськогосподарської сировини для виробництва біопалива в Україні.

Методологія / методика / підхід. Методологічною базою дослідження є системний підхід до вивчення соціально-економічних систем. Для вирішення визначених завдань у процесі дослідження використано загальнонаукові та спеціальні методи, зокрема: абстрактно-логічний (для теоретичного узагальнення висновків та аналізу результатів дослідження); економіко-статистичний і монографічний (для аналізу сучасного стану агропотенціалу України у виробництві біопалива).

Результати. Енергозалежність і можливість використання відновлювальних джерел енергії визначено як рушійну силу розвитку біоенергетики в Україні. Доведено, що щорічні темпи росту цін на газ і викопні джерела енергії призводять до розвитку та використання біоенергетичних видів палива. Обґрунтовано, що Україна має значні можливості у вирощуванні біомаси та у використанні біоенергетичних видів палива, що дасть змогу бути енергонезалежною країною у світовому просторі та забезпечити споживачів і виробників необхідною кількістю рідкого, газоподібного й твердого палива.

Оригінальність / наукова новизна. Виявлено, що щорічний приріст обсягу виробництва зернових культур в Україні призводить до утворення надлишку сільськогосподарської продукції, який спрямовують на експорт для задоволення потреб інших країн світу у виробництві продуктів харчування, кормів для галузі тваринництва й птахівництва, а також для виробництва кисневмісної добавки «біоетанол» до бензину. Установлено, що аграрний сектор України гарантує не тільки продовольчу безпеку країни, але й впливає на енергетичну автономність держави та створює конкурентне середовище на ринку нафтопродуктів за рахунок упровадження біоенергетичних видів палива.

Практична цінність / значущість. Оцінено тенденції зміни обсягу експорту зернових культур з України. Визначено та проаналізовано частку біомаси в структурі споживання відновлювальних джерел енергії в деяких країнах-членах ЄС. Проведений аналіз допоможе вітчизняним товаровиробникам та іншим зацікавленим сторонам здійснювати планування господарської діяльності з виробництва біопалива.
Бізнес-модель розвитку сільських територій України
Authors: Chemerys Vasyl , Dushka Vitalii , Maksym Volodymyr , Solomonko Dmytro
Published: January 2023

Мета. Метою статті є дослідження економічних аспектів та обґрунтування бізнес-моделі розвитку сільських територій України на основі фермерських господарств, зокрема сімейного типу, для зростання виробництва сільськогосподарської продукції. Методологія / методика / підхід. У процесі проведеного дослідження використано загальнонаукові методи, зокрема монографічний при комплексному та всебічному вивченні основних економічних проблем розвитку сільських територій України; аналіз і синтез – для визначення основних чинників і складників розвитку сільських територій на основі фермерських господарств, у тому числі сімейного типу; статистичний – для оцінки потенційного ринку продовольчих товарів з розрахунку на 1000 жителів сільських територій; розрахунково-конструктивний метод використано під час визначення основних економічних параметрів розвитку сімейних ферм та інших пов’язаних промислів з урахуванням критеріїв розширеного відтворення, самоокупності й економічного інтересу. Результати. У статті проведено оцінку потенційної місткості продовольчого ринку сільських населених пунктів з розрахунку на 1000 жителів, відповідно до якої запропоновано виробничу бізнес-модель розвитку сільських територій. Ця економічна модель ґрунтується на створенні спеціалізованих товарних ферм сімейного типу та пов’язаних з ними промислів для забезпечення продовольчих потреб місцевого населення за основними видами сільськогосподарської продукції. Визначено економічні показники та критерії розвитку успішних ферм, зокрема граничні масштаби виробництва, ціни продажу продукції за основними напрямами агробізнесу. Обґрунтовано суму економічного ефекту з розрахунку на 1 ферму чи промисел, який сприятиме розширеному відтворенню місцевого агробізнесу. Оригінальність / наукова новизна. Уперше запропоновано бізнес-модель розвитку сільських територій України на основі малих підприємницьких формувань з виробництва агропродовольчої продукції. У статті представлено результати дослідження, які економічно обґрунтовують розвиток спеціалізованих сімейних ферм за визначеними напрямами агробізнесу з орієнтацією на задоволення продовольчих потреб споживачів внутрішніх сегментів ринку, що сприятиме зростанню зайнятості та соціально-економічному піднесенню сільських територій України. Практична цінність / значущість. Результати проведеного дослідження можуть використовуватися під час формування загальнонаціональних і регіональних програм підтримки розвитку малих форм агробізнесу, зокрема сімейного фермерства, з метою реалізації економічного потенціалу агропродовольчого комплексу України.
Problems of formation of the modern state policy on development of animal husbandry
Authors: Lavruk Alexander
Published: January 2023

Purpose. The aim of the research is the theoretical and methodological substantiation of conceptual approaches to the identification of problems of formation and implementation of the modern state policy on development of animal husbandry.

Methodology / approach. The theoretical and methodological basis of the research is the dialectical method of cognition, scientific works of domestic and foreign scientists on the process of formation of state policy, which contributes to the timely identification of various complex socio-political and industrial problems, establishes the causes of their occurrence and allows to determine ways to solve them. To achieve this goal, an integrated approach was applied to the research of the process of public policy development, which includes methods of system analysis, functional, cause-and-effect and expert survey.

Results. The theoretical aspects and problems of formation of the modern state policy, its content, tools, functions and activities are substantiated. It is established that in order to ensure the achievement of a high level of livestock development in the country it is necessary to promote the widespread introduction of public policy decisions deeply thought out, competent, targeted and scientifically sound public policy, which is an important condition for the existence of a legal and democratic state and the effective performance of its functions. It is noted that in the environment of state policy a whole complex of state-political decisions is taken, the necessary tools are developed, the mechanism of their implementation in animal husbandry is formed.

Originality / scientific novelty. The originality of the research is manifested in the development of theoretical and practical foundations, make it possible to reveal the integrity of the characteristics of the state-political process in the development and implementation of public policy. Scientific novelty is to determine for the state policy (an important component of guaranteeing the stable development of the country, the life of society and citizens) a set of problems characteristic of the revival and effective development of the livestock industry.

Practical value / implications. The practical significance of the results of the study is that they can be used in the practice of public authorities in order to improve the process of determining and considering the priority problems of public policy, the development of science-based programs of political and socio-economic development of the country in the formation of public policy to ensure the further development of animal husbandry.
Theoretical basis of managing of enterprises’ financial potential on the basis of anti-crisis management
Authors: Tanklevska Nataliya , Miroshnichenko Viktoriya
Published: January 2023

Purpose. The purpose of this study is to identify the nature and priority tasks of managing the financial potential of enterprises, as well as the definition of approaches to such management on the basis of crisis management.

Methodology / approach. The solution of the specified tasks was carried out by using general scientific and special methods, in particular: monographic, dialectical, abstract-logical, analysis and synthesis for defining conceptual approaches to management of enterprises’ financial potential on the basis of crisis management; induction and deduction – to construct a research structure.

Results. The necessity of effective management of enterprises’ financial potential is determined. The most expedient concepts of financial management, the introduction of which improves the quality of management of enterprises` financial potential, are identified. A list of tasks of crisis management, which are basic in managing the financial potential of enterprises, is described. Conceptual approaches to management of enterprises’ financial potential  on the basis of anti-crisis management are considered.

Originality / scientific novelty. The approaches to managing the financial potential of enterprises are improved, which, unlike the previous one, is based on the principles of crisis management through the use of preventive, situational or combined type of management, which will further identify the reserves for strengthening financial capacity.

Practical value / implications. It is determined in application of the proposed conceptual approaches to managing financial potential on the basis of anti-crisis management in the practical activities of domestic enterprises, which will allow to quickly detect, respond and prevent the emergence of crisis situations.
Peculiarities of insurance of agrarian enterprises’ activity
Authors: Yarmolenko Vitalina
Published: January 2023

Purpose. The purpose of this research is to identify the specifics, condition and problems of the development of insurance activities of Ukrainian agrarian enterprises. Methodology / approach. The methods of analysis and synthesis, due to which the diagnostics of the insurance segment in agriculture was conducted, were the basis of the methodological approaches in studying the state and dynamics of the agricultural insurance market. Abstraction for clarification of the essence and content of the concept of «agricultural insurance»; correlation and regression analysis for studying the factors of influence on the total volume agricultural insurance premiums; induction and deduction, generalization and formalization for the definition of the characteristics of insurance activities of agricultural enterprises. Results. The essence, forms and types of insurance of activity of agrarian enterprises are considered. The problems and specifics of insurance business development of enterprises of agrarian sector of economy of Ukraine are revealed. The basic insurance products for agrarian enterprises are determined. Originality / scientific novelty. Further development of identification of peculiarities and problems of development of insurance of activity of agricultural enterprises in the part of identification of basic insurance products and possibilities of their use was investigated. Practical value / implications. The main results of the research can be applied in the practical activity of agricultural enterprises in order to minimize the risks of their functioning.
Ologit analysis of determinants of vulnerability to food insecurity by cocoa farming households in Southern Asunafo, Republic of Ghana
Authors: Ojo Idowu Oladeji
Published: January 2023

Purpose. Using ologit analytical tool, this study examined the determinants of vulnerability to food insecurity by cocoa farming households in Southern Asunafo, Ghana and assessed the coping strategies adopted by the farmers against food shortage related shocks.

Methodology / approach. A two-stage sampling procedure was used to elicit cross sectional data from a total of 150 cocoa farmers across the 11 settlements in the study area using a semi-structured questionnaire. CARE and WFP (2003) Household Coping Strategy Index (CSI) and Factor analysis were used to determine vulnerability to food insecurity status of the households and ordered logit regression was used to identify the determinants of vulnerability. The data was analyzed using STATA software.

Results. Findings from the study revealed that 35.33 % of the households were moderately vulnerable while 33.33 % and 31.34 % were mildly and severely vulnerable respectively in the study area. Borrowing food, eating seed stock, begging for food and reducing meals were the major coping strategies adopted by the households. The ordered logit regression result shows that being a female household head increases the probability of being vulnerable. Age of household head was found to be significant (p < 0.05) and negatively influencing Vulnerability to food insecurity. Household dependants and number of coping strategies were found to be significant (p<0.05) and positively influencing Vulnerability. Education level, farm income and labor hour use were found to be significant (p < 0.1) and negatively influencing vulnerability. Marital Status, Access to extension and off-farm occupation were significant (p > 0.05) and negatively influencing household vulnerability to food insecurity among the households.

Originality / scientific novelty. Author’s developed econometric model is very useful is empirically assessing determinants of vulnerability of cocoa farming households to food poverty in southern Asunafo district, and to form a basis for decision making regarding achieving food security in Southern Asonafo. The proposed method offers great potentials for achieving safe, nutritious, and accessible food security condition amidst the challenge of food poverty.

Practical value / implications. The study concluded that policies that address the major determinants of vulnerability such as education, off-farm occupation, access to extension services and income diversifications with emphasis on cocoa female farmers’ empowerment are will enhance resilience of rural farming households to food insecurity in the study area.
Determinants of coffee export in Ethiopia: an application of co-integration and vector error correction approach
Authors: Bassa Zekarias , Goshu Degye
Published: January 2023

Purpose. The study aimed to analyze the determinants of coffee export through the variables of coffee production, trade openness, world coffee export in tone, population and export prices for the period of 1977–2016 for 38 observations.

Methodology / approach. The co-integration approach was employed to investigate the long-run causal association between Ethiopian coffee export in kg and export price, world coffee export level, population and coffee production, trade openness. The coffee export demand functions in Ethiopia were estimated using co-integration analysis and Vector Error Correction Models.

Results. The co-integration result confirmed the existence of a long-run relationship between Quantity Ethiopian coffee exported and export price, coffee production world export coffee in tone and population size of age between 15 to 64. The analysis pointed out that in the long run the extent of Ethiopia coffee export inversely related to coffee production in the country and world coffee supply in tone and directly related to export price and population size of active aged category. The speed of adjustment was estimated to be 24 % that implied the economy will converge towards the long run equilibrium in approximately one year following a shock.

Originality / scientific novelty. The empirical analysis indicated the existence of short term causal link from lagged export level of coffee, population size of active labour force, trade opens and export price towards export in the coffee export model. In short run Ethiopian coffee export defined as positive function of trade opens and negative function of lagged year coffee export in tone, export price and population size of active labour force in the country.

Practical value / implications. The policy implication of the time series analysis calls for improved works on value addition and productivity improvement to respond for soaring national and international demand and betterment in trade relation with nations abroad that expected to optimization of the organic attributes of Ethiopian coffee in sustainable manner. The Vector Error Correction Model also indicated a significant short-run as well as long run relationship between changes in exports and changes in export price and population size.
Механізм ефективного формування доходу персоналу підприємства
Authors: Biryuchenko Svetlana
Published: January 2023

Мета. Дослідити ефективність формування доходу персоналу підприємств із переробки сільськогосподарської продукції Житомирської області шляхом застосування кластерного аналізу. Для досягнення мети було поставлено завдання: визначити сутність «механізму формування», адаптувати це поняття до доходу персоналу, здійснити групування товаровиробників із переробки сільськогосподарської продукції за різними факторами для проведення факторного аналізу й зробити відповідні висновки. Методологія / методика / підхід. Теоретико-методологічною основою наукового дослідження є роботи вітчизняних і зарубіжних учених з питань механізму формування доходу працівників підприємства. Для розв’язання поставлених завдань використано такі методи та прийоми наукового дослідження: аналізу та синтезу; статистико-економічні; кластерного аналізу; узагальнення та ідеалізації. Результати. Результати проведеного кластерного аналізу дозволяють визначити конкурентну позицію кожного досліджуваного підприємства залежно від того, до якого кластеру воно належить. Крім того, проведена кластеризація підприємств допомагає визначити переваги щодо формування доходу персоналу більш точно, оскільки побудована на відносних показниках. Використання методологічних положень проведення кластерного аналізу механізму формування доходу персоналу підприємств сприяє впровадженню методів якісного стратегічного управління з метою набуття конкурентних переваг у галузі переробки сільськогосподарської продукції, а також надає можливість вищому керівництву підприємства забезпечити оптимальну структуру доходу персоналу і, тим самим, вирішувати перспективні та поточні завдання розподілу фінансових результатів підприємства та формування витрат. Оригінальність / наукова новизна полягає у формуванні алгоритму проведення кластерного аналізу формування доходу персоналу підприємства та розроблення рекомендацій щодо впровадження такого механізму для підприємств із переробки сільськогосподарської продукції Житомирської області. Практична цінність / значущість. Кластеризація підприємств переробки сільськогосподарської продукції Житомирської області дає можливість розширювати міжфірмові потоки ідей та інформації щодо оптимального формування доходу персоналу.
Collision-sticking rates of acid–base clusters in the gas phase determined from atomistic simulation and a novel analytical interacting hard-sphere model
Authors: Yang Huan , Neefjes Ivo , Tikkanen Valtteri , Kubečka Jakub , Kurtén Theo , Vehkamäki Hanna , Reischl Bernhard
Published: January 2023

Abstract. Kinetics of collision-sticking processes between vapor molecules and clusters of low volatile compounds govern the initial steps of atmospheric new particle formation. Conventional non-interacting hard-sphere models underestimate the collision rate by neglecting long-range attractive forces, and the commonly adopted assumption that every collision leads to the formation of a stable cluster (unit mass accommodation coefficient) is questionable for small clusters, especially at elevated temperatures. Here, we present a generally applicable analytical interacting hard-sphere model for evaluating collision rates between molecules and clusters, accounting for long-range attractive forces. In the model, the collision cross section is calculated based on an effective molecule-cluster potential, derived using Hamaker's approach. Applied to collisions of sulfuric acid or dimethylamine with neutral bisulphate-dimethylammonium clusters composed of 1–32 dimers, our new model predicts collision rates 2–3 times higher than the non-interacting model for small clusters, while decaying asymptotically to the non-interacting limit as cluster size increases, in excellent agreement with a collision rate theory-atomistic molecular dynamics simulation approach. Additionally, we calculated sticking rates and mass accommodation coefficients (MAC) using atomistic molecular dynamics collision simulations. For sulfuric acid, unit MAC is observed for collisions with all cluster sizes at temperatures between 200 K and 400 K. For dimethylamine, we find that MACs decrease with increasing temperature and decreasing cluster size. At low temperatures, the unit MAC assumption is generally valid, but at elevated temperatures MACs can drop below 0.2 for small clusters.
Resonant photoacoustic cells for laser-based methane detection
Authors: Schmitt Katrin , Sendelbach Mara , Weber Christian , Wöllenstein Jürgen , Strahl Thomas
Published: January 2023

Abstract. Against the background of the steady increase in
greenhouse gases in the atmosphere, a fast and inexpensive method for
detecting methane is required. This applies to the direct measurement of the
background concentration of methane in the atmosphere and also to the
detection of leaks in natural gas pipelines. Photoacoustic (PA) sensors
offer the possibility of highly sensitive gas detection and
cost-effective design at the same time. In this work, we investigated a photoacoustic sensor
for methane in low concentrations, focusing on a special cell design, the
so-called T-cell. Different cylinder geometries of six T-cells and the
influence on the sensor performance were examined. An interband cascade
laser (ICL) with a central wavelength of 3270 nm was used for excitation
and a micro-electromechanical systems (MEMS) microphone as detector. The detection limits achieved were below
the methane background concentration in air of 1.8 ppm.
Unifying biological field observations to detect and compare ocean acidification impacts across marine species and ecosystems: what to monitor and why
Authors: Widdicombe Steve , Isensee Kirsten , Artioli Yuri , Gaitán-Espitia Juan Diego , Hauri Claudine , Newton Janet A. , Wells Mark , Dupont Sam
Published: January 2023

Abstract. Approximately one-quarter of the CO2 emitted to the
atmosphere annually from human activities is absorbed by the ocean,
resulting in a reduction of seawater pH and shifts in seawater carbonate
chemistry. This multi-decadal process, termed “anthropogenic ocean
acidification” (OA), has been shown to have detrimental impacts on marine
ecosystems. Recent years have seen a globally coordinated effort to measure
the changes in seawater chemistry caused by OA, with best practices now
available for these measurements. In contrast to these substantial advances
in observing physicochemical changes due to OA, quantifying their
biological consequences remains challenging, especially from in situ
observations under real-world conditions. Results from 2 decades of
controlled laboratory experiments on OA have given insight into the likely
processes and mechanisms by which elevated CO2 levels affect biological
process, but the manifestation of these process across a plethora of natural
situations has yet to be fully explored. This challenge requires us to
identify a set of fundamental biological and ecological indicators that are
(i) relevant across all marine ecosystems, (ii) have a strongly demonstrated
link to OA, and (iii) have implications for ocean health and the provision of
ecosystem services with impacts on local marine management strategies and
economies. This paper draws on the understanding of biological impacts
provided by the wealth of previous experiments, as well as the findings of
recent meta-analyses, to propose five broad classes of biological indicators
that, when coupled with environmental observations including carbonate
chemistry, would allow the rate and severity of biological change in
response to OA to be observed and compared. These broad indicators are
applicable to different ecological systems, and the methods for data
analysis suggested here would allow researchers to combine biological
response data across regional and global scales by correlating rates of
biological change with the rate of change in carbonate chemistry parameters.
Moreover, a method using laboratory observation to design an optimal
observing strategy (frequency and duration) and observe meaningful
biological rates of change highlights the factors that need to be considered
when applying our proposed observation strategy. This innovative observing
methodology allows inclusion of a wide diversity of marine ecosystems in
regional and global assessments and has the potential to increase the
contribution of OA observations from countries with developing OA science
capacity.
«Si no lo puedes diferenciar, ¿acaso importa?»: El círculo mágico y el marco en Westworld
Authors: Díaz Gandasegui Vicente
Published: January 2023

El presente artículo examina la aplicación de los conceptos de ‘círculo mágico’ y ‘marco’ en las tres temporadas hasta ahora emitidas de la serie de ciencia ficción Westworld. Mediante un análisis de contenido se explorarán los temores actuales sobre las consecuencias sociales que puede provocar la posibilidad de habitar en espacios híbridos que modifican las fronteras previamente existentes entra la virtualidad y la realidad. Asimismo, la serie permite analizar los dilemas actuales sobre la moralidad que se aplica en estos entornos y su vínculo u oposición a la moralidad existente en la realidad. Por último, la serie facilita examinar desde una perspectiva distópica el libre albedrio existente en sociedades informacionales, en las que el control sobre la información de los ciudadanos se utiliza para vigilar y modificar su conducta.
Abrigo da Metamorfose: impressionantes registros de pinturas rupestres nos Campos Gerais do Paraná, Sul do Brasil
Authors: PONTES H. S , MASSUQUETO L.L. , SILVA A. G. C. , OLIVEIRA K. E.
Published: January 2023

This paper details the Metamorphosis Shelter, an unprecedented record of the archeological wealth of Paraná. Located in the municipality of Piraí do Sul, in the Campos Gerais region of Paraná, this archaeological site surprises not only by the number of panels and paintings but also by the good state of conservation of some groups and by the diversity of representations and styles used. All the panels with rock paintings were photo registered and digital decals were made from the treatment of the filtered images on DStretch software using the correlation matrix technique in three phases image editing program - automatic, semi-automatic, and manual. The rock panels were mapped and geospatialized by speleological topography based on the Union Internationale de Spéléologie (UIS) grading method and speleometric conventions. Thirty-two panels were documented, amounting to 887 representations ranging from zoomorphic, anthropomorphic, and geometric figures, built structures, enigmatic forms, and vestiges. Although the site is reasonably well preserved, urgent actions are needed for the effective protection of this site to avoid degradation of the archaeological content by burning, free circulation of cattle, vegetation cover, and uncontrolled visitation.
Relationships beetween Cognitive Distortions and Adolescent Well-Being: The Mediating Role of Psychological Resilience and Moderating Role of Gender
Authors: Sapmaz Fatma
Published: January 2023

While cognitive-behavioral theories emphasize cognitive biases that significantly impact people's negative emotional states, positive psychology studies emphasize positive sources of strength, such as psychological resilience, and their influence on achieving psychological well-being. In light of the centralised perspectives of both approaches towards mental health and relevant literature, there is noticeable emphasis in recent years on the use of integration models such as “positive cognitive behavioural therapy”. It is from this precipice that this study examined the concepts of “cognitive distortions”, “psychological resilience” and “subjective well-being”, all of which have been at the centre of studies carried out on cognitive behavioural and positive psychology. The study was carried out within the framework of a hypothetical model specifically concerning one of the most important stages of adolescence development. Furthermore, it aimed to examine psychological resilience as a mediator in the relationship between cognitive distortions and adolescent well-being, within the influence of sex as a moderated variable. 447 adolescents participated in the study. The data was collected using the “Cognitive Distortions”, “Psychological Resilience”, “Adolescent Subjective Well-Being” scales. In examining the hypothesis model, a phasal approach was used. It was determined that cognitive distortion, adolescents' well-being, and psychological resilience have a structural association. Results revealed that psychological resilience partially mediates the relationship between cognitive bias and adolescent well-being. Sex was not determined to have a moderated effect as a mediator.
Is Online Assessment Better? Examination of Pre-service Teachers’ Views
Authors: Yıldırım Nuray , Tekel Esra
Published: January 2023

The aim of this research is to examine the pre-service teachers’ opinions on online assessment during the Covid-19 process. In the study, which was designed with a basic interpretive design, data were collected from 138 teacher candidates with a structured interview form consisting of open-ended questions created by the researchers and analyzed by content analysis. According to the findings of the study, the pre-service teachers stated that they were evaluated by methods such as online exam, homework, online class participation, and online presentation and that each evaluation method had advantages and disadvantages. When the teacher candidates compared face-to-face assessment with online assessment, they focused on the disadvantages of homework and online exams. They indicated that the online assessment method could be in the form of online exam, qualified homework, and participation in the course, depending on the nature of the course. The findings were discussed within the framework of the literature, and suggestions were presented to researchers and practitioners.
Perception of Organizational Uncertainty as a Predictor of Teacher Inertia
Authors: Akpolat Tuba
Published: January 2023

The ability of organizations to adapt quickly to change and take action in uncertain situations brought about by a crisis or change is vital for their development and continuity. Teachers, who are education workers, form the basis of the education system by producing education services. Therefore, the power of the education system to take action against uncertainties is determined by whether teachers take action in the face of uncertainties. The purpose of this study is to look into the impact of teachers' perceptions of organizational uncertainty on organizational inertia. An explanatory and predictive pattern, one of the correlational research designs, was used in the study. The study sample consists of 307 teachers, determined by a simple random sampling method from the teachers working in the Eyüp District of Istanbul. Organizational Inertia Scale and Organizational Uncertainty Scale were used as data collection tools. As a result of the research, it was seen that there were significant differences in the perception of inertia and organizational uncertainty according to the demographic characteristics of the teachers. However, it was concluded that teachers' perceptions of organizational uncertainty predicted their inertia attitudes.