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At least 1,531 records · Page 85Linked to original sources
PubMed1989

[The working conditions in the prototype industrial production of polysulfones].

The labour conditions of the technicians engaged in experimental polysulfonic production are characterized by a combined action of toxic chemical compounds in concentrations exceeding MAC (for chlorbenzol, dinile), and equal and below MAC (for diphenylpropane, 4,4'-dichlordiphenylsulfone, dimethylsulfoxide). The duration of the technicians' contact with the hazardous chemical factors is equal to 46-98% of the working time, the labour intensity lying within the categories II-III. The working zone pollution is caused by the hygienic inadequacies of the technological processes used (with regard to periodicity and low automatization), as well as technological shortcomings of the equipment used. In accordance with the "Hygienic Classification of Labour" (No 4137-86), the labour conditions of the workers engaged in polysulfonic experimental production are related to class III--3rd degree during the initial stage and 2nd degree in the routine production process.

Air Pollutants, Occupational↗
PubMed1989

[Problems of improving working conditions for workers engaged in the production of nitrogen mineral fertilizers].

The study results show that significant improvement of labour conditions can be achieved due to the introduction of a new distribution pattern of technological equipment, further improvement of equipment supply of the technological process, further mechanization of production operations, rational arrangement and disposition of control desks for technological processes, utilization of possible means of protection against noise, improvement of measuring machines, rational organization of the workplace for packing of stock-produced products and application of the means of small-scale mechanization, rational distribution of the sections of packing, filling and loading.

Air Pollutants, Occupational↗
PubMed1989

[The evaluation of the individual thermal load in work activity with uneven energy expenditure].

It is often very difficult to quantify the potential thermal stress in jobs characterized by sudden variations of energy expenditure and thermal overload for time periods of short duration. Heart rate varies rapidly with the changes of energy expenditure and thermal load and the application of the mathematical model, proposed by Givoni and Goldmann for prediction of heart rate response to work in hot environments, to values of the physiological parameter, continuously measured during the periods of work and rest, allows the calculation of the two components of the HSI stress index (Er, Emax) from which to derive safe times of exposure. In this study practical applications of the theoretical method are verified in the control of the potential thermal stress of workers engaged in the carbon coke production. In that job the variability of thermal conditions make unfeasible a complete and whole evaluation of thermal overload only based on the measure of the microclimatic environmental parameters.

Coke↗
PubMedDate not supplied

[Ergonomic analysis of the work sites and living conditions of the crew on board the B-418/111 t/h "Bonito" PPD and UR "Gryf" fishing trawlers].

The paper is an ergonomic study of the sanitary and living conditions at the working place of fishers on long-distance fishing vessels, such as the trawler B-418/111 t/h "Bonito". The research was performed during the trip in the region of the Falkland Islands (Malvinas). Prophylactic examinations were carried out during 162 days on 77 members of the crew and the hygienic-sanitary conditions on the vessel were analysed. The ergonomic research included all the working places of the members of the crew (fishers on the deck, staff of the industrial processing rooms staff of the machine-rooms and attendant staff) and the following parameters were analysed according to the principles of ergonomics: the characteristics of working places and working conditions, the environmental factors, the anthropometric data of the crew and the physical and psychic stress, for the purpose of optimizing the working conditions according to the physical-psychic peculiarities of the members of the crew.

Atlantic Islands↗
PubMed1989

[A physiologic hygiene assessment of the work of female telephone operators at a city directory-information service while working with display terminals].

Physiologic and hygienic characteristics of body functioning state of female telephone operators working with displays in the inquiry information service "09" are presented. Insignificant changes of the cardiovascular system and functional state of the central nervous and neuromuscular systems have been detected along with the deterioration of visual function. The above changes are associated with neuroemotional stress during the work with video terminals and testify to distinct, sometimes quite significant fatigue. The necessity for optimization of work load and work organization of telephone operators by means of the development and introduction of rational work/rest regimes is set forth.

Adult↗
PubMed1989

[The body function of engineering and technical workers in modern metallurgic production].

Labor activity of engineering and technical personnel under modern production conditions is characterized by the impact of some psychoemotional, physical, chemical and other factors. The study findings demonstrated the characteristics of these factors' effect on the functional state of metallurgical workers' body systems and organs. The characteristics of engineering and technical personnel's health state and morbidity rates were set forth.

Adult↗