نتایج جستجو برای: didnt support wery much
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Yosemite, Kings Canyon, and Sequoia national parks protect over 1,200 mountain lakes. These lakes provide healthy homes for plants animals supply clean water to downstream communities. clear blue are high up in the mountains, where they receive very low amounts of nutrients from watershed. Nutrients help living things grow be healthy. However, human activities communities upwind adding into air...
background: nowadays job stress is one of the most important health problems that health and safety professionals are facing with. much of previous studies have focused on interventions such as stress management and, they have ignored the role of psychosocial factors in occurrence of job stress. this study investigated the mediator role of supervisor support on the association between work stre...
Introduction: Kikuchi-Fujimoto disease or histocytic necrotizing lymphadenitis is a rare, benign, self-limited condition characterized by constitutional symptoms, lymphadenopathy, and skin lesions and often affects young adult females.The etiology is unknown although viruses and autoimmune mechanisms has been suggested. Diagnosis is fundamentally based on the affected lymph node biopsy.The pat...
Addiction is a mental, medical, and social problem of the current decade that impinges physical, emotional, and social aspects of an addict’s life. It negatively affects society and related families alike. It seems that social support for related families leads to better adaptation and faster healthy conditions on the part of the addicts. A high rate of addiction relapse is now a national...
The factors in volved in occupational low back pain occurring in professional drivers were investigated epidemiologically with questionnaires (92 items) including low back symptoms, personal factors and occupational factors. The responses of one hundred fifty-three of one hundred eighty-one truck drivers who work in a large chemical industry corporation were analyzed after they had completely f...
the mono-metallic and bi-metallic catalysts have been prepared by impregnating with solutions containing a compound of h2ptcl6,wo3 and 1ml hcl (0.1 mol). it should be noted that the catalysts’ activity and selectivity have been determined under these conditions : 450-5000c ,and 15-25atm by h2. for converting n-heptane , the molar ratio h2/c7h16 is 5 , and lhsv is 1.5ml/h. it has been proved tha...
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