This article is devoted to an engineering approach to software quality management. The approach is oriented toward the attainment of the software maturity, which is a key software quality characteristic. A model of quality and a conceptual model for making decisions on software quality management are developed. They are based on methods of specification of quality requirements to the maturity of software components, defect prediction, and systematic quantitative reliability control during software development. A graphical defect prediction model (a Bayesian Belief Network) is presented.
Реферат: Исследовали влияние условий лиофилизации на структурно-функциональные характеристики лейкоконцентрата кордовой крови человека (ЛККЧ): количество и жизнеспособность, цитоморфологические показатели, содержание гемопоэтических стволовых (CD34 +) и Т-регуляторных клеток (CD4 + CD25 high), кроветворных колониеобразующих единиц в культуре (КОЕк). Для лиофилизации клеток ЛККЧ использовали четыре режима, включающие две программы с применением 3,5% ДМСО и без него. Программы отличались значением температуры и длительностью, при которых проводили первичное высушивание. При использовании первой программы клетки высушивали в течение 10 ч (-28ºС), второй программы-9 ч (-18ºС). Разработанный метод лиофилизации ЛККЧ, который предполагал использование первой программы без ДМСО, обеспечил сохранность клеток в гетерогенной популяции кордовой крови по всем исследуемым характеристикам. Ключевые слова: лиофилизация, лейкоконцентрат кордовой крови человека, колониеобразующие единицы, гемопоэтические стволовые клетки, Т-регуляторные клетки. Реферат: Досліджували вплив умов ліофілізації на структурно-функціональні характеристики лейкоконцентрату кордової крові людини (ЛККЛ): кількість і життєздатність, цитоморфологічні показники, вміст гемопоетичних стовбурових (CD34 +) і Т-регуляторних клітин (CD4 + CD25 hіgh), кровотворних колонієутворюючих одиниць у культурі (КУОк). Для ліофілізації клітин ЛККЛ використовували чотири режими, що включають дві програми із застосуванням 3,5% ДМСО й без нього. Програми відрізнялися значенням температури й тривалістю, при яких проводили первинне висушування. При використанні першої програми клітини висушували протягом 10 годин (-28ºС), другої програми-9 годин (-18ºС). Розроблений метод ліофілізації ЛККЛ, що передбачає використання першої програми без ДМСО, забезпечив схоронність клітин у гетерогенній популяції кордової крові за всіма досліджуваними характеристиками. Ключові слова: ліофілізація, лейкоконцентрат кордової крові людини, колонієутворюючі одиниці, гемопоетичні стовбурові клітини, Т-регуляторні клітини.
Migration is one of the main factors of globalization and it is not likely that it can be stopped as it is objective and, in most cases, is linked to the ability of the workforce to respond quickly to the changes in the society and the economy. The paper is devoted to the research of the impact of migration on the economic and social development of Ukraine's population. The methods used in the preparation of the paper are: analytical, descriptive, comparative, statistical, graphic, and critical. The paper was written on the basis of the official domestic and international data and also on the results of sociological research in which the main intentions and motives of potential migrants are investigated. On the base of the conducted research, we can conclude that, at the current stage, migration growth in Ukraine is related to structural changes in the economy and the labor market, economic growth slowdown, low wages, and quality of life compared to the nearest neighbor countries, visa liberalization with EU countries, and access to education abroad. One of the aims of the paper was to calculate the hypothetical losses of GDP from human capital migration.
Communicative interaction implementation is one of the leading social worker’s functions, formed in the process of education. A social worker is a specialist whose task is to identify social risks and respond to emergencies in a qualified manner. The aim of the article is to analyze the conditions and results of the future social workers’ formation of communicative readiness to manage social risks and respond quickly to emergencies at airports; to test the validity of the hypothesis based on certain criteria. According to the results of the survey, there were identified three groups of students with signs of formation: stimulating motives for mastering communicative competence; communicative competence; communicative readiness for professional situation management. During the teachers’ survey the main factors of students’ communicative readiness formation are revealed as follows: practical activity, students’ activity, their desire to qualitative professional characteristics acquisition and self-educational activity of youth. The disciplines of the educational program selective component of the general training cycle (100%) and the vocational training cycle (78.3%), as well as manufacturing practice (94.5%) are endowed with potential opportunities. The main conditions for ensuring the quality of communicative readiness formation process: 1) the development of attitude to the professional communication as a means of professional activity; 2) subject-subject interaction design and implementation in the educational process; 3) socio-psychological support of the professional readiness communicative component formation and the self-education throughout life implementation.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.
customersupport@researchsolutions.com
10624 S. Eastern Ave., Ste. A-614
Henderson, NV 89052, USA
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Copyright © 2024 scite LLC. All rights reserved.
Made with 💙 for researchers
Part of the Research Solutions Family.