نتایج جستجو برای: c radiation

تعداد نتایج: 1276127  

Journal: :Transactions of the International Astronomical Union 1973

Journal: :journal of biomedical physics and engineering 0
f shekoohi-shooli ionizing and non-ionizing radiation protection research center, shiraz university of medical sciences, shiraz, iran s m j mortazavi ionizing and non-ionizing radiation protection research center, shiraz university of medical sciences, shiraz, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شیراز (shiraz university of medical sciences) m b shojaei-fard 1ionizing and non-ionizing radiation protection research center, shiraz university of medical sciences, shiraz, iran 2deسازمان اصلی تایید شده: دانشگاه علوم پزشکی شیراز (shiraz university of medical sciences) s nematollahi 3biostatistics department, school of medicine, shiraz university of medical sciences, shiraz, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شیراز (shiraz university of medical sciences) m tayebi 1ionizing and non-ionizing radiation protection research center, shiraz university of medical sciences, shiraz, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شیراز (shiraz university of medical sciences)

background: the use of devices emitted microwave radiation such as mobile phones, wireless fidelity (wi-fi) routers, etc. is increased rapidly. it has caused a great concern; the researchers should identify its effects on people's health. we evaluated the protective role of vitamin c on the metabolic and enzymatic activities of the liver after exposure to wi-fi routers. material and methods: 70...

Journal: :journal of biomedical physics and engineering 0
m alavi 1ionizing and non-ionizing radiation protection research center, school of paramedical sciences, shiraz university of me s taeb 1ionizing and non-ionizing radiation protection research center, school of paramedical sciences, shiraz university of meسازمان اصلی تایید شده: دانشگاه علوم پزشکی شیراز (shiraz university of medical sciences) m a okhovat diagnostic laboratory sciences and technology research center, school of paramedical sciences, shiraz university of mediسازمان اصلی تایید شده: دانشگاه علوم پزشکی شیراز (shiraz university of medical sciences)سازمان های دیگر: 3master student of biophysics, payame noor university (pnu), iran m atefi 1ionizing and non-ionizing radiation protection research center, school of paramedical sciences, shiraz university of meسازمان اصلی تایید شده: دانشگاه علوم پزشکی شیراز (shiraz university of medical sciences)سازمان های دیگر: master student of biophysics,

background: hormesis is defined as the bio-positive response of something which is bio-negative in high doses. in the present study, the effect of radiation hormesis was evaluated on the survival rate of immunosuppressed balb/c mice by cyclosporine a. materials and methods: we used 75 consanguine, male, balb/c mice in this experiment. the first group received technetium-99m (3700bq) and the sec...

Effects of decreased ozone and increased UV radiation have been studied by many researchers. The aim of this study was to investigate the effects of UV-B and UV-C radiations on Melissa Officinalis L and to study the Impact of salicylic acid in reducing the harmful effects of radiation on plants. The Melissa Officinalis L plants were treated with 28_+2 ºC temperature for about 60 days. The light...

Objective(s): Scientific interest in potential mobile phone impact on human brain and performance has significantly increased in recent years. The present study was designed to evaluate the effects of mobile phone radiation on seizure threshold in mice. Materials and methods:BALB/c male mice were randomly divided into three groups: control, acute, and chronic mobile phone radiation for 30, 60, ...

Journal: :international journal of occupational hygiene 0
faramarz majidi department of occupational health, zanjan university of medical sciences, zanjan, iran. kamaledin abedi department of occupational health, faculty of health and paramedical sciences, zanjan university of medical sciences, zanjan, iran seyed reza azimi pirsaraei department of occupational health, zanjan university of medical sciences, zanjan, iran

the harmful effects of the long-term ocular exposure to cumulative levels of infrared radiation (ir) in glassblowing and foundries have been recognized since the late 19th century. these effects include cataracts, keratitis, and chronic dry eye problems. therefore, infrared radiation measurements are critical and need to be assessed regularly in the industries and workplaces where there are hig...

Journal: :iranian journal of radiation research 0
m. mahdavi department of radiology, school of paramedical sciences, shiraz university of medical sciences, shiraz, iran h. mozdarani department of medical genetics, school of medical sciences, tarbiat modares university, tehran, iran

background: radioprotective effect of famotidine was previously shown on radiation induced micronuclei and chromosomal aberrations in human peripheral lymphocytes and mouse bone marrow cells however, its radioprotective property has never been studied in mouse spermatogenesis. it was also shown that vitamin c as an antioxidant also exert its radioprotective effect on many biological systems, bu...

ژورنال: طب کار 2014
ابراهیم زاده, مهرزاد, خوبی, جمشید, درویشی, ابراهیم, علی آبادی, محسن, گیاهی, امید ,

Background: Exposure to high temperatures is common among workers in hot environments and can lead to physiological adverse effects. Heat radiation from hot surfaces and inflamed ways to get the most important heat is the exposure ways of the workers. The aim of this study was to evaluate the effectiveness of control methods of radiant heat in workers exposed in a blast furnace steel industry. ...

Journal: :iranian journal of radiation research 0
s qibin cancer center, renmin hospital of wuhan university, wuhan 430060, china h. weiguo cancer center, renmin hospital of wuhan university, wuhan 430060, china c. yuxin cancer center, renmin hospital of wuhan university, wuhan 430060, china xubin cancer center, renmin hospital of wuhan university, wuhan 430060, china c. hao cancer center, renmin hospital of wuhan university, wuhan 430060, china

background: radiation-induced lung injury is a refractory side effect in lung cancer radiotherapy, the mechanism still remains unclear, hence an appropriate animal mode may become useful to investigate it. materials and methods: 50 female wistar rats were randomly divided into 5 groups, average 10 rats/cage: a. control group b. 3gy×10f c. 6gy×5f d. 12.5gy×1f e.15.3gy×1f. by different doses of r...

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