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Research with students was conducted at the Trakia University- Stara Zagora. Sixty-six students (women) from the first and second year of their study from all specialties in the Faculty of Veterinary Medicine, Faculty of Agriculture and Faculty of Economics participated in the research. They were randomly divided into two groups: an experimental group (36 students) and a control group (30 students). The purpose of the research was to discover the impact of the experimental methods for preparing the physical characteristics of the student. For the purpose of the research were applied - Theoretical Analysis, Sports and Pedagogical Tests, Pedagogical Experiment, Variation Analysis, Graphic Analysis and Comparative Analysis. A test battery including 5 tests for physical characteristics was prepared. From the analysis of the results can be seen that the conducted research was successful and the used methods were effective.

The aim of the investigation is by conducting a survey and analysis of the percentage of students with medical reports, to assess the effectiveness of the approach introduced. We have monitored the relative proportion of students with medical protocols to determine the effectiveness of an introduced approach. The study was conducted with 4194 students – 1624 men and 2570 women from the Faculty of Economics, the Faculty of Veterinary Medicine and the Faculty of Agriculture at Trakia University. Applied are the following methods: Theoretical analysis; Comparative analysis of percentages; Graphic analysis. We conducted monitoring, analysis and evaluation for 19 academic years of the relative proportion of students with medical protocols. The results confirm categorically effectiveness of the approach to students with medical protocols.

SWOT-analysis has been conducted with 41 participants – lecturers from Tracian University – Stara Zagora, National Sports Academy “Vasil Levski”, Medical University – Sofia, Russe University “Angel Kanchev”, Sofia University “St. Kliment Ohridski”, University of National and World Economy- Sofia; football sportsmen from the representative team of Tracian University – Stara Zagora, trainers. The purpose of the analysis is to reveal the strong and weak points, possibilities and challenges of the organization with the inclusion of the football game in the educational programme, on Physical culture and sport, for female students. SWOT-analysis has been applied for settlement of the research purpose set. Results of SWOT-analysis give us a reason for deducing practicalapplication recommendations, and namely: to realize a close contact between the institutions, preparing experts on female football and the institutions that would make use of these experts; to update the methods of education on female football with newer and current means, methods and forms; to increase the activity of institutions, responsible for creation of suitable material base in the Higher schools for practicing of football by men and women; to enhance the motive activity and motivation of female students on football study; the available preconditions for practicing the female football in Tracian University should find its realization via the inclusion of this sport in the educational programme on Physical education and sport.

Testing of 203, first and second year female students, of all specialties, at the Economic, Agrarian and Veterinarian-medical Faculties, with the Tracian University – Stara Zagora town, has been carried out, including 22 female students, educated in English language, on the specialty Veterinary Medicine. The purpose of this investigation is to establish the knowledge of female students regarding elements and rules of football game. Testing, Theoretical, Alternative, Graphic and Comparative analyses of percentage have been applied, for settlement of the research purpose set. We have conducted Testing of 12 questions, for collecting the quantitative information for establishment of the knowledge of female students, concerning football game elements and rules. Results and analysis show that female students lack serious knowledge concerning the football game technique and rules. The results got, give us a reason to deem that the including of female football in the educational programme, on Physical education and sport in the Higher School would have a serious educational effect and would fill in the shortage of knowledge with the female students, concerning the technique and rules of the most popular game in the world.

Aim. The purpose of this research was informational content assessment of the anamnestic data in diagnosing of chronic endometritis before its histologic confirmation and possibility of the timely beginning of complex therapy of pathology. Materials and methods. To achieve the aim of the retrospective analysis of 303 case reports of patients who underwent endometrium papel biopsy as a part of examination plan before assisted reproductive treatment in 2017. A particular interest, in our case, submitted the special anamnesis including consideration of menstrual, sexual and reproductive functions, past gynecologic diseases and interventions. Results. In the analysis of the received results the most constant signs of chronic endometritis: disorders of menstrual and seсretory functions; the high index of intrauterine interventions, considerable frequency of identification of endometrium polyps and the cervical channel (40,1%), pathological cervical neoplasia (30,8%) were noted. Conclusion. Thus, anamnestic data of patients with the verified endometritis, especially extended one, with inclusion of nonconventional, but relevant at the present stage additional signs, have shown high informational content for neoadjuvant diagnosis of pathology of endometrium of inflammatory character. Only against the background of timely initiated complex therapy, numerous endometrial receptivity parameters are restored, which leads to relief of clinical symptoms and lays the foundation for the successful implementation of reproductive function.

An inquiry with students from Trakia University, Stara Zagora is carried out. The aim of the study is to determine the current state of sports injuries in student sports. To realize the goal are placed the following tasks: to conduct a survey with students athletes on sports injuries; to process and analyze the results of the survey; to draw concrete conclusions from the survey; to make recommendations for practice. In order to achieve the above research purposes are applied theoretical analysis, questionnaire method, alternative analysis and graphic analysis. The survey is conducted in 2017. The questionnaire includes nineteen basic questions, some of them are open. The students-athletes have the opportunity to indicate more than one answer for some questions. Results: registered are existing injuries related to sports and it is found that some of the methods and means of treatment and prevention are not well known to students-athletes. The survey results make it necessary to seek and implement academic practice methods and tools to facilitate the recognition of sports injuries and upgrading of skills for the protection of their own health.

Sulfonated cation exchange membranes have been prepared by the postradiation graft polymerization of styrene on a 20-μm-thick low-density polyethylene film and the subsequent sulfonation of the grafted polystyrene. The distribution of sulfonated polystyrene in the membranes at varying degree of grafting has been described using IR spectroscopy data. It has been shown that the permeability of the membranes to ethane and ethylene decreases with the increasing degree of grafting. The use of gas mixtures with a low ethylene content leads to the suppression of the ethane permeability coefficient and an increase in the separation factor. The highest separation factor of 57 has been achieved at the 140% degree of grafting of the polymer from a mixture containing 5% ethylene.

The aim of this research is to apply the hopeful and express method for evaluation of nutrition, the degree of "contamination" of the organism, immunity, psycho-emotional stress and adaptive capacities of the cardiovascular system to dosed physical load. Methods of study include: inquiry, index of Ryufie, mathematical-statistical and graphical analysis. The received results of the research make it possible to assess the physical training of students as well and the nutrition as unhealthy.

Polymers containing fragments of benzyl alcohol and phenols were synthesized by chemical modification of homo- and copolymers of 4-vinylbenzylchloride-styrene. It was shown that these modified polymers inhibit the growth of test cultures of mold fungi.