نتایج جستجو برای: tobacco dust
تعداد نتایج: 95939 فیلتر نتایج به سال:
three bacteria from a tobacco industry effluent and one from a sewage sample were isolated on a medium comprising of 1% tobacco powder as sole source of nutrients. bacteria isolated from the industrial waste water were identified as bacillus cereus, b. alvei and b. circulans. while, lactobacillus sp. was isolated from the sewage sample. the bacteria were optimized for various growth conditions ...
transformation of plants using agrabacterium rhizogenes may affect secondary metabolite production as well as morphological changes. in this study, t-dna from ri plasmid in a. rhizogenes carrying pri15834-prt35s-gus was introduced into tobacco leaf segments to initiate development of transformed hairy roots. plant regeneration from transgenic roots used ms medium, and plants regenerated fro...
تجارب دانش آموزان دبیرستانی در مورد پیش بینی کننده های مصرف دخانیات : یک تحلیل محتوی کیفی نظریه محور
Background and Objectives: Tobacco use is one of the most important risk factors that increases the burden of diseases worldwide. Based on the increasing speed of tobacco use, the aim of the present study was to explain the experiences of high school students about the determiners of use and non-use of tobacco (cigarettes and hookah) based on the theory of protection motivation. Materials an...
Introduction: Nowadays, tobacco use among adolescents has become one of the main factors threatening society’s health. The present research aims at investigating Bushehr city adolescents’ tobacco use and the factors pertinent to it. Methods: In this Descriptive-Analytical research, 716 students were selected by random cluster sampling method among the 2nd-grade high school students in Bushehr i...
conclusions to promote the effect of printed images on cigarette packages, it is recommended to consider the suitability of labels in the targeted culture. in addition, to be more effective consultation sites to quit smoking should be introduced under the images. background health warning labels on cigarette packages are among the most straightforward and important tools to communicate with smo...
background recent studies show that the prevalence of tobacco use among teens and students is increasing, and the initiation age of tobacco use has decreased. objectives the current research aimed to signify the role of schools in the process in which student teenage boys became smokers in 2012 in mashhad. materials and methods the current study was part of a qualitative research conducted by c...
Background & Aims of the Study: Dust is one of the detrimental factors in workplace of tile industry. Exposure to excessive amount of dust can create various hazards to the workers. Therefore, the present study aimed to measure the concentration of environmental and respirable dust in air of Birjand Niloofar tile Industry. Materials & Methods: In the present study, using personal...
Dust deposition phenomenon is an important climatic and environmental issue in arid and semi-arid regions. The objective of this study was to examine important characteristics of atmospheric dust in Kerman as one of the major cities in arid areas of our country with high potential of dust production. Dust samples were collected monthly using glass traps installed on the roof of 35 one-story bui...
background: tobacco use has toxic effects on different organs. this study was carried out to assess the effect of indigenous tobacco both in smoking (bidi) and smokeless (gutkha, zarda and khaini) forms on buccal cells at chromosomal level, through assessment of different nuclear anomalies as biomarker. methods:this study was done on people living in durgapur and its adjacent areas, west bengal...
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