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1. Публикации на Тракийски университет: Recent submissions

Now showing items 41-60 of 158

Title: In situ ruminal degradability and intestinal digestibility of dry matter and crude protein of low-protein fraction from sunflower meal Author: Nedelkov, Krum Date: 2023 Abstract: The objective of this study was to evaluate rumen degradation kinetics and intestinal digestibility of low-protein fraction from sunflower meal (LPSFM). Three non-lactating Jersey cows with an average body weight of 436 ± 18 kg fitted with a rumen and T-type duodenal cannulas were used in the experiment. Five samples of LPSFM from different ... Library:
Тракийски университет - Стара Загора
Title: Early pregnancy diagnosis by measurement of pregnancyassociated glycoproteins (PAGs) in blood serum and milk of dairy cows Author: Vasilev, Nasko; Fasulkov, Ivan; Karadaev, Manol; Ivanova, Boiana Date: 2023 Abstract: The present study aimed to determine the efficiency of two commercial ELISA tests for measuring pregnancy-associated glycoproteins (PAGs) in blood serum and milk in relation to early pregnancy diagnosis in lactating Holstein-Friesian cows. A total of 144 blood and milk samples form lactating cows were collected 30 days after artificial ... Library:
Тракийски университет - Стара Загора
Title: Effect of the use of autolyzed brewers yeast in compound feeds for weaned pigs Author: Yordanova, Gergana; Nenova, Radena; Apostolov, Apostol; Nedeva, Radka Date: 2023 Abstract: A scientific and economic experiment was conducted at the Agricultural Institute – Shumen with 2 groups of 21 pigs in each, or a total of 42 weaned pigs of the Danube white breed. The pigs were reared in raised pens with 7 animals in each pen, 3 pens in a group. The experiment started at 9.497–9.500 kg live weight and ended when the animals ... Library:
Тракийски университет - Стара Загора
Title: COLOR COMPOSITIONS – DRAWINGS EXPRESSING AN EXPLOSION OF FEELINGS IN DESIGN Author: Koleva, Mariya Date: 2023 Abstract: This study examines the complex realm of human emotions and their relationship to visual stimuli through the analysis of digital floral compositions. The drawings, each depicting different emotional themes such as mystery, optimism, sadness, joy, passion, and more, serve as a canvas for understanding the rich spectrum of human feelings. ... Library:
Тракийски университет - Стара Загора
Title: STUDY ON THE INFLUENCE OF TECHNOLOGICAL PARAMETERS IN THE ETHANOL EXTRACTION OF WHITE OREGANO Author: Paskova, Violeta; Taneva, Ira; Dobreva, Krasimira Date: 2023 Abstract: Today, different extracts are obtained from white oregano (Origanum heracleoticum L.) with a variety of extraction techniques and extractants. White oregano contains many biologically active substances (polyphenolic acids, flavonoids, tannins), which is why it has an application in medicine, cosmetics and food industry. In this work, the ... Library:
Тракийски университет - Стара Загора
Title: IMPACT OF THE FUEL ADDITIVES ON THE PERFORMANCE OF THE DIESEL ENGINE Author: Kazakov, Petar; Iliev, Atanas; Rusev, Dobri; Kadiev, Dimitar; Kazakova, Miglena Date: 2023 Abstract: The widespread production and utilization of internal combustion piston engines have had a profound and detrimental impact on the environment. The delicate balance supporting life on Earth is highly sensitive to changes in the physical and chemical composition of the environment. Emissions from internal combustion engines contribute ... Library:
Тракийски университет - Стара Загора
Title: INFLUENCE OF COMBINATIONS OF SHAPES, SILHOUETTES AND COLORS ON CONSUMER CHOICE OF MODELS OF DRESSES WITH DRAPES Author: Genova, Krasimira; Ruseva, Irina; Dineva, Petya; Kazlacheva, Zlatina Date: 2023 Abstract: This study examines consumer preferences for design patterns in contemporary women's drapery dresses. A correlation is found between colors, shapes, and silhouettes of these dresses. The study proposes methods to obtain numerical data on dress patterns based on shape factors and colors. According to the results, consumers prefer dresses ... Library:
Тракийски университет - Стара Загора
Title: COMPARATIVE ANALYSIS OF SIX COMPLEX LABORATORY EGG ANALYZERS Author: Bonchev, Danail Date: 2023 Abstract: The external and internal characteristics of eggs are important in determining their quality. In the present work, the internal characteristics of eggs are examined and described. A comparative analysis was made between six types of complex laboratory egg analyzers, their parameters and the technological methods used to determine the ... Library:
Тракийски университет - Стара Загора
Title: DESIGN AND DEVELOPMENT OF A WEBSITE FOR ONLINE CHESS TRAINING Author: Galya, Shivacheva; Shivacheva, Donika; Stoykova, Vanya Date: 2023 Abstract: Chess is an amazing game combining concentration, memory, imagination and thinking. It is a sport that can be taught online at a time convenient for the learner and the trainer, making online chess training convenient and flexible. The purpose of this paper is to design and develop a website for online chess training, including online ... Library:
Тракийски университет - Стара Загора
Title: IMPROVING SIGNAL STRENGTH ESTIMATION IN IOT USING WI-FI NETWORK PERFORMANCE DATA Author: Todorov, Apostol; Stoykova; Zlatev Date: 2023 Abstract: This study aims to improve signal strength prediction in WiFi networks by incorporating additional signal characteristics and using advanced regression modeling techniques. The research builds on existing work and offers a more accurate approach for predicting signal strength in WiFi networks. Using the RReliefF method, the influence of ... Library:
Тракийски университет - Стара Загора
Title: THE FATHER OF THE COMPUTER - A GENIUS INVENTOR AND OF BULGARIAN DESCENT, BOTH BY ORIGIN AND SPIRIT Author: Nedeva, Veselina Date: 2023 Abstract: This publication is dedicated to the 120th anniversary of the birth of John Atanasoff and the 50th anniversary of the case for his recognition as the creator of the first electronic digital computer. The purpose of the article is presented in the introduction. The second part is devoted to biographical information about John Atanasoff ... Library:
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Title: DETERMINING THE OPTIMUM QUANTITY OF WALNUT FLOUR IN BREAD PRODUCTION Author: Kolev, Toncho; Taneva, Ira; Zlatev, Zlatin Date: 2023 Abstract: Abstract: In the present study, research was conducted to establish the optimal amount of walnut flour (in percentages) in the production of bread. Data from literary sources on walnut bread were analyzed and based on which 34 characteristics describing the change in physico-chemical, organoleptic and optical properties were determined. ... Library:
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Title: EDUCATION IN MASTERY – AN APPROACH FOR USING Author: Yordanova, Lina Date: 2023 Abstract: The method Education in Mastery is not new. It has possibilities to evaluate students' attitude to their own training progress. Also some additional aspects of training process could be evaluated via this method. The implementing of the method is facilitated by the IT tools that create a new educational environment. The article presents ... Library:
Тракийски университет - Стара Загора
Title: ANALYSIS OF WOMEN'S STANDARD DANCE COSTUMES Author: Mecheva, Gergana Date: 2023 Abstract: This work presents an overview of the characteristics and design elements of women's standard dance costumes, focusing particularly on their impact on the dancers' performances and audience perception. Costumes include ankle-length or above-the-ankle skirts made of several pieces, offering a large cut at the bottom to facilitate dancing. ... Library:
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Title: REPORTING OF ACTIVITIES AND ASSESSMENT OF STUDENT’S KNOWLEDGE IN LMS MOODLE Author: Stoykova, Vanya; Minchev, Andrian Date: 2023 Abstract: The report examines the capabilities of the learning management system Moodle (Modular Object-Oriented Dynamic Learning Environment), on which is based Trakia Electronic University (TrEU) - an e-learning system used in Trakia University - Stara Zagora, Bulgaria. System tools and integrated plugins are presented, which are related to the ... Library:
Тракийски университет - Стара Загора
Title: NUTRITIONAL AND FUNCTIONAL POTENTIAL OF BY-PRODUCTS FROM CURRANT AND CHOKEBERRY IN BREAD: A REVIEW Author: Kolev, Toncho; Georgieva-Nikolova, Mariya Date: 2023 Abstract: This literature review investigated the nutritional and functional potential of blackcurrant and chokeberry by-products in bread. Blackcurrant and chokeberry are rich sources of bioactive compounds, such as anthocyanins, flavonols and phenolic acids, which have been associated with various health benefits, including antioxidant with ... Library:
Тракийски университет - Стара Загора
Title: DETERMINING THE OPTIMAL QUANTITY OF GRAPE POMACE POWDER IN BREAD USING STATISTICAL METHODS Author: Stoykova, Vanya; Baycheva, Stanka Date: 2023 Abstract: In this study, the influence of grape pomace flour (GPP) on the main characteristics of bread was evaluated, and the optimal amount of GPP in the product was determined. The results show that an optimal amount of 5,46% raw material from GPP preserves the main characteristics of the bread. 14 of the main characteristics of GPP-added bread ... Library:
Тракийски университет - Стара Загора
Title: A REMOTE APPROACH OF TEACHING PLC PROGRAMMING Author: Atanasov, Svetoslav; Karaca, Celal; Steponavičienė, Vaida; Urnikienė, Jovita; Georgiev, Krasimir Date: 2023 Abstract: Distance learning laboratories must become frequent teaching methods, especially in higher education systems. This article presents ways to remote access and work in real time to laboratory stands and teach students distantly of basics of PLC programming, using instruction list, functional block diagram, ladder diagram, structured text, and ... Library:
Тракийски университет - Стара Загора
Title: INFLUENCE OF MAIN POLLUTANT CONCENTRATIONS OVER THE ACTIVE ACIDITY OF RAIN WATER Author: Stoykova, Vanya; Todorov, Apostol; Shivacheva, Galya; Zlatev, Zlatin Date: 2023 Abstract: This work analyzes the relationship between major urban air pollutants such as sulfur dioxide and nitrogen dioxide with the active acidity of rainwater. An analysis was made of the seasonal changes in the levels of the studied pollutants and their influence on the acidity of rainwater. A regression model was obtained describing the relationship ... Library:
Тракийски университет - Стара Загора
Title: CRISTOBAL BALENSIAGA – EXPLORING THE FORMATION OF WOMEN'S DRESSES Author: Radieva, Krasimira Date: 2023 Abstract: This article analyzes the evolution of silhouette lines in the designs of the famous fashion designer Balenciaga. The study focuses on the period from 1937 to 1968 and identifies four distinct periods that reflect Balenciaga's creative development. Balenciaga's designs are characterized by a striving for minimalism and simplicity, achieved ... Library:
Тракийски университет - Стара Загора