نتایج جستجو برای: cell phone technology

تعداد نتایج: 2158276  

Journal: :journal of basic research in medical sciences 0
ali louei monfared department of basic sciences, faculty of para-veterinary medicine, university of ilam, ilam, iran. aaref nooraii department of basic sciences, faculty of para-veterinary medicine, university of ilam, ilam, iran. morteza shamsi ilam medical university, ilam, iran

introduction: there are general concerns about the hazardous impacts of the cell phones radiation on the human health. in this study, the structural and biochemical changes of the mice kidney were assessed after cell phone exposure in. materials and methods: a total of 40 balb/c mice were randomly divided into the control and experimental groups. the experimental group exposed to cell phone dev...

Journal: :فصلنامه علمی - پژوهشی فن آوری اطلاعات و ارتباطات در علوم تربیتی 0
رمضان حسن زاده علی لطفی سید شمس الله حسینی احمد ابراهیمی

this study aimed at the frequency and type of using cell-phone by high school students. the research method used was a descriptive-survey one. the statistical society included all the high school students in mazandran in 2010-11 academic year. the sample was chosen through multi-stage stratified random sampling method and 383 subjects were selected based on kerjecie and morgan's table. a r...

Elham Zare, Kazem Barzegar Bafrooei, Taghi Jabbari,

Introduction:Using cell phone has become an inseparable part of the life in the recent years. In spite of the useful usage of the cell phone, its constant over-use makes the field for people’s addiction and harms. The purpose of the present research is to analyze the relation between the cell phone’s scale and the way of use with the motivation of educational progress among the female students’...

Ghanbari M, Khavanin A Khazaei M, Mortazavi SB

Background: There is a great concern for the possible adverse effects of cell phones’ microwaves. Contradictory results, however, have been reported for the effects of these waves on the body. In the present study, the effect of cell phone microwaves on sperm parameters and total antioxidant capacity was investigated with regard to the duration of exposure and the amount of the frequency of the...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
سیده مرضیه رازقی دانشجوی کارشناسی ارشد توسعة روستایی، دانشگاه زنجان روح اله رضایی استادیار دانشکده کشاورزی، دانشگاه زنجان

the main purpose of this descriptive-survey study was to investigate the problems of applying cell phone in delivering agricultural consultancy, technical and engineering services. the statistical population of the study consisted of 218 experts working in agricultural consulting, technical and engineering service ventures in zanjan province. according to the kjercie and morgan table, a sample ...

ژورنال: پرستاری کودکان 2021

Introduction: In Modern technology, using mobile phones is the most exposed to waves in the world. As far, public concern has been rising regarding exposure to phone waves, especially in critical periods such as intrauterine life and early childhood. This study aimed to conduct a systematic review of literature have investigated the relationship between exposure to radiofrequency waves during p...

Journal: Addiction and Health 2015
Abdollah Ghasempour, Mansour Mahmoodi-Aghdam

Background: The present study aimed at investigating the role of depression and attachment styles in predicting cell phone addiction. Methods: In this descriptive correlational study, a sample including 100 students of Payame Noor University (PNU), Reyneh Center, Iran, in the academic year of 2013-2014 was selected using volunteer sampling. Participants were asked to complete the adult attachme...

2009
Ming-Heng Wang Steven D. Schrock

This paper analyzes the feasibility of using cellular telephone location data to determine the geographic extent of trucks from intermodal facilities. The feasibility analysis includes three aspects: location technology, cell phone penetration, and truck tracking methodology. As the results shows, the cell phone location technology is able to provide accurate location data. It can provide updat...

Journal: :journal of research in health sciences 0
abolfazl mohammadbeigi rozita absari farzaneh valizadeh mohammadreza saadati soroush sharifimoghadam ali ahmadi

background: poor sleep quality is closely associated with lifestyle habits including use of mobile cell-phones.this study aimed to identify the relationship between sleep quality due to abuse in mobile cell-phones and engagement in social networks. methods : this cross-sectional study was conducted on 380 undergraduate students selected by proportional stratified sampling in qom, iran in 2015. ...

Journal: :international journal of environmental research 2015
a. k. dhami

electromagnetic radiation emitted by cell-phones is a new health hazard, especially when they are used inside closed metal bodies such as cars, elevators etc. the modern wireless devices like bluetooth further enhance the effect of this radiation. the present studies were taken to get quantitative information about the actual power density levels to which a human brain is exposed inside a vehic...

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