نتایج جستجو برای: term exposure

تعداد نتایج: 862601  

Journal: :iranian journal of toxicology 0
برهان منصوری borhan mansouri young researchers’ club, kermanshah branch, islamic azad university, kermanshah, iran. رحیمه برامکی rahimeh baramaki department of environmental sciences, faculty of agriculture, university of birjand, birjand, iran. مریم زارع maryam zareh department of environment, faculty of natural resources, university of tehran, karaj, iran. علیرضا پورخباز alireza pourkhabbaz department of environmental sciences, faculty of agriculture, university of birjand, birjand, iran. امیرحسین حمیدیان amir hossein hamidian department of environment, faculty of natural resources, university of tehran, karaj, iran.

background: this study aims to investigate the patterns of bioaccumulation and depuration of copper in the selected kidney and liver of capoeta fusca. methods: the fish were collected between september and november 2010 from a qanat in birjand. they were exposed to two types treatments with copper (0.25 and 0.75 mg/l) for a period of 41 days. the fish under study were exposed to the above-menti...

Journal: :iranian journal of radiation research 0
s.m.j. mortazavi department of medical physics and medical engineering, shiraz university of medical sciences, shiraz, iran a. niroomand-rad georgetown university, washington dc 20007, usa h. mozdarani department of medical genetics, faculty of medicine, tarbiat modares university, tehran, iran p. roshan-shomal the center for research in radiation sciences (crrs), shiraz university of medical sciences, shiraz, iran s.m.t. razavi-toosi department of physiology, school of medicine, tehran university of medical sciences, tehran, iran h. zarghani department of medical physics, school of medicine, mashhad university of medical sciences, mashhad, iran

background: in some areas of ramsar, a city in northern iran, residents receive a much higher annual radiation exposure than is permitted for radiation workers. induction of adaptive response in residents of ramsar has been reported previously. in this study induction of such a response in short term exposure to high background levels of gamma radiation is investigated. materials and methods: f...

Journal: :journal of biomedical physics and engineering 0
s jarideh s taeb sm pishva m haghani s sina sar mortazavi

background: airport workers are continuously exposed to different levels of radiofrequency microwave (rf/mw) radiation emitted by radar equipments. radars are extensively used in military and aviation industries. over the past several years, our lab has focused on the health effects of exposure to different sources of electromagnetic fields such as cellular phones, mobile base stations, mobile ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1381

‏‎the hypothesis is that recent and frequent exposure to lexical items leads to a more fluent production of speech in terms of rate of speech. to test the hypothesis,a one-way anova experimental design was carried out. 24 sednior students of efl participated in a one-way interview test. data analyses revealed that those who were exposed frequently to the lexical items over a week prior to inter...

Esmaeili V Khavanin A Shahverdi AH Vosoughi Sh,

Background: This study aimed to investigate the inhibitory effects of simultaneous formaldehyde (FA) and noise exposure on the sperm kinematic parameters sexual hormones in male mice. Materials and Methods: Forty eight NMRI adult male mice were randomly assigned to control group and experimental groups which were exposed to formaldehyde vapour (10 ppm) (F), noise (100 dB) (N), and simultaneous ...

Esmaeili V Khavanin A Shahverdi AH Vosoughi Sh,

Background: This study aimed to investigate the inhibitory effects of simultaneous formaldehyde (FA) and noise exposure on the sperm kinematic parameters sexual hormones in male mice. Materials and Methods: Forty eight NMRI adult male mice were randomly assigned to control group and experimental groups which were exposed to formaldehyde vapour (10 ppm) (F), noise (100 dB) (N), and simultaneous ...

Journal: :Care management journals : Journal of case management ; The journal of long term home health care 2012
Yen Ping Hsieh Chia Ching Lin Ying Chia Huang

This study investigated the level of management's perception of the importance of indoor environment indicators at long-term care facilities as well as the differences between the level of perceived importance and the level of implementation. This study also analyzed the indicators for improving indoor environments. This study selected Taiwanese long-term care facility managers as its subjects ...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی استان سیستان و بلوچستان 1378

ایمپلنت h.a چشمی در ابتدا بوسیله آرتورپری در 1985 بکار رفته برای استفاده عمومی در 1989 بوسیله fda، توسعه یافت . ما در یک مطالعه مقطعی، عوارض ایجاد شده در بیمارانی را که بعد از تخلیه چشم در آنها کره هیدروکسی آپاتیت کار گذاشته شده بود، بررسی کردیم. این مطالعه بر روی بیماران از سال 1372 تا 1377 انجام شده است . از بین 30 مورد بیمار مورد مطالعه، 8 مورد (26 درصد) دچار عارضه شده بودند که 6 نفر آنها مر...

Esmaeili V Haji Ghasemkhan AR Khavanin A Shahverdi AH Vosoughi Sh,

Background: Formaldehyde (FA) is a member of aldehyde family with a simplest organic molecule, used in various industries. Since there is simultaneous exposure of formaldehyde and noise for workers in most of the workplaces and that noise can reinforce the harmful effects of some chemical pollutants. This study aimed to investigate the effects of simultaneous formaldehyde and noise exposure on ...

Journal: :Journal of the South African Veterinary Association 2011
J D Bezuidenhout

The history of sheep scab is briefly discussed since it was first mentioned in 180 BC. It was probably introduced to South Africa by the early settlers and was mentioned as a problem by Simon van der Stel, although its cause was only discovered in 1809. Various measures taken over the centuries to control or eradicate the disease, which has always been of considerable economic importance, are d...

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