نتایج جستجو برای: cell phone
تعداد نتایج: 1728982 فیلتر نتایج به سال:
The purpose of this study was to investigate the factors influencing satisfaction with cell phone banking in South Africa. The study followed a qualitative approach in which in-depth interviews were conducted with a set of South African cell phone banking users. Thematic analysis was employed to analyse the data. It was confirmed that factors known to influence satisfaction with other electroni...
Background: Excessive use of mobile phones is addictive and causes many complications. The severity of these complications depends on the duration of the call and the frequency of using mobile phones. Therefore, this study aimed to determine the effect of mobile phone waves on salivary secretion. Materials and Methods: This descriptive study was conducted on 120 dental students in Rafsanjan, Ir...
Background: The widespread use of cell phones has led to an increase in concern about the effect of radiofrequency radiation on the physiology of the human body. This study was conducted to determine the different reaction temperatures of different brain tissue in exposure to mobile radiofrequency waves. Method: This was an experimental study. The cowchr('39')s brain tissue was examined in a c...
Background: Widespread of telecommunication systems in recent years, have raised the concerns on the possible danger of cell phone radiations on human body. Thus, the study of the electromagnetic fields on proteins, particularly the membrane nano channel forming proteins is of great importance. These proteins are responsible for keeping certain physic-chemical condition within cells and managin...
BACKGROUND Cell phone text messaging, via the Short Messaging Service (SMS), offers the promise of a highly portable, well-accepted, and inexpensive modality for engaging youth and young adults in the management of their diabetes. This pilot and feasibility study compared two-way SMS cell phone messaging with e-mail reminders that were directed at encouraging blood glucose (BG) monitoring. ME...
OBJECTIVE Early adolescents are using cell phones with increasing frequency. Cell phones are known to distract motor vehicle drivers to the point that their safety is jeopardized, but it is unclear if cell phones might also distract child pedestrians. This study was designed to examine the influence of talking on a cell phone for pediatric pedestrian injury risk. PARTICIPANTS AND METHODS Seve...
Some concern has arisen about adverse health effects of cell phones, especially the possibility that the low power microwave-frequency signal transmitted by the antennas on handsets might cause brain tumors or accelerate the growth of subclinical tumors. We analyzed data from the Statistical Report: Primary Brain Tumors in the United States, 2000–2004 and 2007 cell phone subscription data from ...
Rate-Distortion-Complexity Optimization of Video Encoders with Applications to Sign Language Video Compression Rahul Vanam Co-Chairs of the Supervisory Committee: Professor Eve A. Riskin Electrical Engineering Professor Richard E. Ladner Computer Science and Engineering Applications for video compression have been growing over the years due to the availability of higher network bandwidth, lower...
OBJECTIVE To determine whether substantial short term declines in drivers' use of handheld cell phones, after a state ban, were sustained one year later. DESIGN Drivers' daytime handheld cell phone use was observed in four New York communities and two Connecticut communities. Observations were conducted one month before the ban, shortly after, and 16 months after. Driver gender, estimated age...
This study centers on the following hypothesis: that individuals with an external locus of control, in comparison to individuals with an internal locus of control, have less control over their cell phone use (i.e., more likely to use at bedtime; more likely to use in class and while studying) and are consequently more vulnerable to the negative outcomes associated with excessive cell phone use ...
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