نتایج جستجو برای: work
تعداد نتایج: 946735 فیلتر نتایج به سال:
در این تحقیق، آمونیم تریفلات ساپورت شده بر روی سیلیکاژل (atfs)، بعنوان کاتالیزور جامد موثر و قابل بازیافت جهت سنتز یک مرحله ای آلفا-آمینوفسفوناتها در شرایط بدون حلال معرفی می شود. work-up ساده، بازیافت آسان کاتالیزور، شرایط ملایم واکنش، عدم تشکیل محصولات جانبی از مزایای این روش برای سنتز تعداد زیاد و متنوعی از آلفا-آمینوفسفوناتها با راندمان های بالا و در زمانهای کوتاه نسبت به روشهای موجود می باشد.
results according to the results of this study, the mean age of the participants was 32 ± 6.1 years and the mean work ability index (wai) was 43.1 ± 4.4. based on the results of statistical analysis, age did not have a significant impact on the work ability of individuals; however, there was a direct relationship between the personnel’s work ability and their activities in terms of physical dem...
conclusions the was could be used for reliable assessment of work ability among iranian workers. to improve the worker’s work ability, interventional programs should focus on the alteration and correction of work schedule, and increasing the supervisor’s support for the young workers. objectives the present study aimed to assess work ability using wai and was instruments and to compare their re...
background: the purpose of this research is to establish the ability of employees by work ability index (wai), physical work capacity (pwc), and finding the correlation between them . establishing the pwc index with attention to wai values for the purpose of saving in costs and time of pwc measurements is another aim of this project. methods: the present research is an analytic cross-sectional ...
supervisors play an undeniable role in training teachers, before starting their professional experience by preparing them, at the initial years of their teaching by checking their work within the proper framework, and later on during their teaching by assessing their progress. but surprisingly, exploring their attributes, professional demands, and qualifications has remained a neglected theme i...
since esp received universal attention to smooth the path for academic studies and productions, a great deal of research and studies have been directed towards this area. swales’ (1990) model of ra introduction move analysis has served a pioneering role of guiding many relevant studies and has proven to be productive in terms of helpful guidelines that are the outcome of voluminous productions ...
Background andObjectives: Nurses comprise a majority of healthcare professionals. Therefore, their quality of life can directly impact the performance of health system at different level. The aim of this study was to explore the potential impact of work shift on physical, mental, and social aspects of nurses’ health. Methods: A sample of 300 nurses from hospitals of the Rasht city situated ...
conclusions findings of this study showed the importance of psychological hardiness in maintaining mental health. special attention should be paid to maintaining and improving the mental health of workers in the pars special economic energy zone. one of the main principles involved in the sustainable and integrated development of a company is healthy human resources in all aspects, including ph...
the goal of this research is to measure the rate of quality of work life of facultymembers in university of tehran. the research type in regard to goal is appliedinvestigative and in regard to data collecting method is descriptive investigative andof measurement branch. the statistical population is faculty members of universityof tehran’s paradises and colleges. in this research, after identif...
Controversy about dispositions ranges over the following four domains: (i) the semantics of disposition ascriptions; (ii) the distinction between dispositional and categorical properties; (iii) the metaphysical status of dispositions, i.e. their fundamentality, naturalness and intrinsicness; and (iv) the various dispositional analyses of philosophical notions like causation, laws, modality, cou...
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