نتایج جستجو برای: continuous exposure

تعداد نتایج: 561202  

Journal: :international journal of nonlinear analysis and applications 2015
pankaj kumar jhade a s saluja

the aim of this paper is to prove a common fixed point theorem for nonexpansive type single valued mappings which include both continuous and discontinuous mappings by relaxing the condition of continuity by weak reciprocally continuous mapping. our result is generalize and extends the corresponding result of jhade et al. [p.k. jhade, a.s. saluja and r. kushwah, coincidence and fixed points of ...

احمدیان, شهین, بلوری, بهرام, خاوری, بهناز , شفیع زاده, مهشید , پاژنگ, یعقوب ,

Background: In the recent decades, there has been an increasing effort to study possible biological effects of extremely low frequency electromagnetic fields (ELF-EMFs). In this study, the effects of 50 Hz, 0.6 mT pulsed electromagnetic field on proliferation and biochemical properties, in a prostate cancer cell line, DU-145, and the simultaneous treatment of these cells with electromagnetic fi...

Journal: :The international journal of biostatistics 2012
Wei Wang Dylan Small

The attributable fraction of a disease due to an exposure is the fraction of disease cases in a population that can be attributed to that exposure. We consider the attributable fraction for a semi-continuous exposure, that is an exposure for which a clump of people have zero exposure and the rest of the people have a continuously distributed positive exposure. Estimation of the attributable fra...

ژورنال: سلامت کار ایران 2017

Background and aims: In accomplishing attention-consuming tasks, mental fatigue reduces productivity and increases error rate as the factors involved in work accidents. The present research goal was to study the effects of sleep quality and mental fatigue on attention and reaction time in the thermal comfort condition. Methods: This experimental research was conducted on 33 university students...

ژورنال: طب کار 2019

Introduction: Fatigue is the exhaustion of the body or spirit that can be caused by stress, excessive work, drug use, or physical or mental illness. Fatigue is a factor in reducing productivity and incidents. Therefore, measuring is important. The aim of this study was to determine the fatigue measurement measurements based on objective and objective indices. Materials and Methods: A cross-s...

Journal: :dental research journal 0
jamshid ayatollahi fatemah ayatollahi ali mellat ardekani rezvan bahrololoomi jahangir ayatollahi ali ayatollahi

dental professionals are predisposed to a number of occupational hazards. these include exposure to infections (including human immunodeficiency virus and viral hepatitis); percutaneous exposure incidents, dental materials, radiation, and noise; musculoskeletal disorders; psychological problems and dermatitis; respiratory disorders; and eye insults. percutaneous exposure incidents remain a main...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید