نتایج جستجو برای: mobile phone jammer
تعداد نتایج: 232133 فیلتر نتایج به سال:
OBJECTIVES The increasing rate of over using cell phones has been considerable in youths and pregnant women. We examined the effect of mobile phones radiation on genes expression variation on cerebellum of BALB/c mice before and after of the birth. MATERIALS AND METHODS In this study, a mobile phone jammer, which is an instrument to prevent receiving signals between cellular phones and base t...
reply to the letter sent by prof. viroj wiwanitkit entitled “radiofrequency radiation and human ferritin” authors of the article entitled “effects of radiofrequency radiation on human ferritin: an in-vitro enzymun assay” [1] would like to express their satisfactions, since the manuscript have been accessed and used as an element of reflection by a renowned researchers such as prof. wiwanitkit...
Background: Infertility is defined as inability to conceive after a year of sexual intercourses without the use of contraceptives. In half of the cases the causative factor is the male. Males are exposed to the effect of various environmental factors, which may decrease their reproductive capabilities. Phone electromagnetic power is very small, only a few hundredths of a microwave oven, but bec...
Background and Objectives: Increasingly, cyberbullying has become a common phenomenon eroding the social media environment. The present study was conducted with the aim of determining the structural relationship pattern of cyber aggression based on self-control with the mediation of mobile phone addiction in adolescents. Materials and Methods: In this descriptive study, the statistical populat...
objective: electro-magnetic radiation (emr) is emitted from mobile phones. various researches have shown relationships between mobile phone emr exposure to cancer and neurologic damages. this study aims to investigate the effects of mobile phone emr on brain antioxidant enzyme activity and the learning process. methods: rat pups and their dames were exposed to emr for 3 h per day from p2 to p1...
background: pre-exposure to radiofrequency radiations of mobile phones would significantly increase the survival rate of exposed animals compared to those exposed to a lethal dose of gamma radiation alone. stimulation of the immune system is believed to be a key mechanism for the induction of this phenomenon, the so-called “adaptive response.” the immune system protects organisms against infect...
This study was carried out to provide a structural model for illustrating the structural relationships between the amount of mobile phone usage and academic engagement with mediating role of attention in students at the University of Birjand. The statistical population of this study included all students studying at Birjand University in the academic year 2015-2016. Sample included 200 stude...
This quantitative, qualitative study investigates the usage of mobile phone applications in teaching and learning processes. The study aims to identify the benefits, difficulties, and resolutions of using mobile phone applications. The study was conducted in the English Department at Hebron University at the second semester of the academic years 2015/2016. The study focuses on the Business Engl...
Objectives: Most studies have performed to identify the affective variables in using mobile phone by drivers based on interview and questionnaire. In this study call answering rate while driving was investigated in a sample of male postgraduate students of a university in Tehran by a driving simulator. Methods: Six driving scenario designed differing in risk of driving. Answer rate to mobile...
Aim: mobile Health Technology is rapidly advancing and becoming a cost effective option for intervention delivery particularly for isolated and hard to reach populations, such as people living with HIV/AIDS. We conducted a literature review to evaluate mobile phone technology utilize for HIV prevention and care. Methods: We conducted a literature review using the search Terms from the MESH s...
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