Problemi na khigienata最新文献_第6页

[An evaluation of the strain in the work of teachers]. [对教师工作压力的评价]。

Problemi na khigienata Pub Date : 1994-01-01

I Khadzhiolova, L Mincheva, M Topalova, Kh Deianov

{"title":"[An evaluation of the strain in the work of teachers].","authors":"I Khadzhiolova, L Mincheva, M Topalova, Kh Deianov","doi":"","DOIUrl":"","url":null,"abstract":"Psychophysiological studies on teachers' work include generally the evaluation of occupational stressors influencing the work load and strain and the assessment of transient and long-term changes in teachers' functional state and health due to these stressors. Results from investigations of some changes in the functional state of the organism of female teachers working in secondary and technical schools of different profiles were presented in this study. The following parameters were applied: subjective feeling of fatigue, heart rate [HR], excretion rates of 11-oxycorticosteroids (11-OCS), adrenaline (A) and noradrenaline (NA) during work. According to the mean HR values during work a moderate cardio-vascular strain was obtained (HR between 80-90 beats) min. Transient HR values over 100 beats/min were registered during periods connected with specific stressful working conditions. The levels of 11-OCS and the catecholamines excretion rates also indicated a moderate job strain. More pronounced changes in 11-OCS, NA and A were found when teaching in the upper classes of the secondary and technical schools. Significant correlations were established between the changes of HR, 11-OCS, NA and A and some individual characteristics of the examined persons, such as: age, length of service, HR at rest and level of neuroticism. Our data reveal the usefulness of the indices and procedures applied for the evaluation of teachers' strain at work.","PeriodicalId":20520,"journal":{"name":"Problemi na khigienata","volume":"19 ","pages":"50-65"},"PeriodicalIF":0.0,"publicationDate":"1994-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18845561","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

[An experimental evaluation of the cutaneous action of the preparation Bulmektin]. [布美克汀制剂皮肤作用的实验评价]。

Problemi na khigienata Pub Date : 1994-01-01

Zh Khalkova

引用次数: 0

[The Healthy Cities Project of the World Health Organization and the approach to its realization]. [世界卫生组织健康城市项目及其实现途径]。

Problemi na khigienata Pub Date : 1994-01-01

M Chuchkova

{"title":"[The Healthy Cities Project of the World Health Organization and the approach to its realization].","authors":"M Chuchkova","doi":"","DOIUrl":"","url":null,"abstract":"Our health prophylactic badly needs approaches and means for the realization of healthy policy, responding to the changing situations of health risk and shared responsibilities concerning the environment and man's health. The project \"Healthy Cities\" is a means of applying the already accepted in this country principles of the program \"Health for all by the year 2000\" on local standard. The city is accepted as a complex organism, which lives, develops and constantly changes. Healthy is this city which improves its environment and manages its resources in such a way as to ensure: high level of the health status; efficient health services; physical environment of high quality, including the living environment; steady ecosystems; society, supporting the health policy; offering good living conditions to every inhabitant; intensive social co-operation; steadfast economics; intensive cultural life and maintaining the connections with the cultural-historic and natural heritage; model and approach to the town planning, corresponding to the above mentioned nine parameters. The requirements of the project, related to the WHO priority strategies are given. A key mechanism in the realization of the health policy has to be the evaluation of the health and demographic state and its periodic reporting to the town authorities by means of suitable health criteria and indicators for the qualities of the environment. The analyses of the health state and the situation of the rural environment have to serve the Governmental decisions for the towns development. Conditions for participating in the project, the international initiatives and national priorities are presented.(ABSTRACT TRUNCATED AT 250 WORDS)","PeriodicalId":20520,"journal":{"name":"Problemi na khigienata","volume":"19 ","pages":"3-9"},"PeriodicalIF":0.0,"publicationDate":"1994-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18845558","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

[Harmful substances released during the thermal oxidative destruction of coolant lubricants]. 【冷却剂润滑油热氧化破坏过程中释放的有害物质】。

Problemi na khigienata Pub Date : 1994-01-01

M Mukhtarova, B Balabanova

引用次数: 0

[An experimental study of the atherogenic effect of the vanadium and nickel contained in drinking water when combined]. [饮用水中含有的钒和镍混合后致动脉粥样硬化作用的实验研究]。

Problemi na khigienata Pub Date : 1993-01-01

Ts Vodichenska, B Bŭdeva

{"title":"[An experimental study of the atherogenic effect of the vanadium and nickel contained in drinking water when combined].","authors":"Ts Vodichenska, B Bŭdeva","doi":"","DOIUrl":"","url":null,"abstract":"During an annual toxicological experiment on white male rats, receiving orally vanadium (V) and nickel (Ni) in doses, equivalent to the accepted in Bulgaria, maximum allowable norms for ist category surface waters (respectively 0.005 mg/kg and 0.0025 mg/kg), 2 and 6 times and 20 and 60 times higher, is studied the atherogenic effect of the latter after the indices: total cholesterol, beta-lipoproteins, phospholipids, lecithin, total lipids, total protein and hexoses of glycoproteins in the serum; oxyproline, hexauranium acids and hexoses, hexosamines, connected with the proteins in the aorta. It is established that V and Ni in chronic combined effect in doses, equivalent to those accepted in Bulgaria, in maximum allowable concentrations for Ist category waters and surpassing them 2 and 6 time respectively, lead to no changes in the biochemical composition of the connective tissue of the aorta and to disorders in the lipidic and protein metabolism, while in higher doses is registered an increase of the glucoproteins and decrease in the glucosaminglycans in the aorta and decrease of the total lipids in the serum. The results point out, that V and Ni in the conditions of the experiment don't accelerate the processes of the natural ageing of the vessels and have no atherogenic effect. Juxtaposing the data for V and Ni concentrations in drinking waters in Bulgaria with our results give grounds to reckon, that their raised content in drinking waters in some regions do not represent a risk factor for the development of atherosclerosis.","PeriodicalId":20520,"journal":{"name":"Problemi na khigienata","volume":"18 ","pages":"50-62"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18843799","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

[The discomfort threshold studied in operators at the control consoles in automated production with a view to its use in job selection]. [研究自动化生产中操作台操作人员的不适阈值及其在作业选择中的应用]。

Problemi na khigienata Pub Date : 1993-01-01

L Tsaneva

{"title":"[The discomfort threshold studied in operators at the control consoles in automated production with a view to its use in job selection].","authors":"L Tsaneva","doi":"","DOIUrl":"","url":null,"abstract":"The results from the investigation of the threshold of discomfort in 385 operators from firm \"Kremikovtsi\" are discussed. The most expressed changes are found in operators with increased tonal auditory threshold up to 45 and above 50 dB, in high confidential probability. The observed changes in the threshold of discomfort are classified into 3 groups: 1). Raised tonal auditory threshold (up to 30 dB) without decrease in the threshold of discomfort; 2). Decreased threshold of discomfort (with about 15-20 dB) in raised tonal auditory threshold (up to 45 dB); 3). Decreased threshold of discomfort on the background of raised (above 50 dB) tonal auditory threshold. On 4 figures are represented audiograms, illustrating the state of tonal auditory threshold, the field of hearing and the threshold of discomfort. The field of hearing of the operators from the III and IV groups is narrowed, and in the latter also deformed. The explanation of this pathophysiological phenomenon is related to the increased effect of the sound irritation and the presence of recruitment phenomenon with possible engagement of the central end of the auditory analyser. It is underlined, that the threshold of discomfort is sensitive index for the state of the individual norms of each operator for the speech-sound-noise discomfort.(ABSTRACT TRUNCATED AT 250 WORDS)","PeriodicalId":20520,"journal":{"name":"Problemi na khigienata","volume":"18 ","pages":"72-9"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18843801","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

[Oscillographic studies of the temporal arteries in certain jobs in Bulgarian television]. [保加利亚电视台某些工作中颞动脉的示波器研究]。

Problemi na khigienata Pub Date : 1993-01-01

I Dobrovolski

引用次数: 0

[Population morbidity in Sofia as a reflection of the territorial characteristics of air pollution in the city]. [索菲亚的人口发病率反映了城市空气污染的地域特征]。

Problemi na khigienata Pub Date : 1993-01-01

B Nikiforov, N Boiadzhieva

引用次数: 0

[An infrared spectrophotometric method for determining nitrous oxide and halothane in the air of operating rooms]. [一种测定手术室空气中氧化亚氮和氟烷的红外分光光度法]。

Problemi na khigienata Pub Date : 1993-01-01

T Panev