نتایج جستجو برای: sodium absorption ratio sar
تعداد نتایج: 810093 فیلتر نتایج به سال:
Background & Aims: Mobile phone radiation is a major public health concern. This study aimed to determine if a quantitive relation could be found between specific absorption rate (SAR) and salivary volume and C-reactive protein (CRP) Material & Methods:Unstimulated whole salivary samples of 310 mobile phone users were collected. Mobile phones were categorized into three groups according to t...
The main objective of this paper is to check the soil fertility and salinity status. For this purpose, a total of 3325 soil samples, collected from all tehsils of Muzffargarh district (from tehsil Muzaffargarh, Jatoi, Kot Addu and Ali Pur), were tested in the Soil and Water Testing Laboratory, Cane Development Cell, Fatima Sugar Mills, Muzaffargarh, Pakistan from 2012 to 2014. Samples were anal...
In this paper, we use a human head and shoulder model to extend the theory and analysis of specific absorption rates (SAR) in the human head due to radiation caused by passive radio frequency identification (RFID) reader systems. We use a finite-element method (FEM), and a human head and shoulder model with a voxel size of 8mm for the tetrahedral to analyze the peak one-voxel SAR, spatial-peak ...
Target detection is important content in Synthetic Aperture Radar (SAR) image applications. There is a common target detection method, which is called the Constant False Alarm Ratio (CFAR) detector. But it must satisfy the condition under strong contrast ratio between target area and background clutter area. In fact, it is very difficult for SAR images to satisfy the condition. In order to enha...
Introduction In high field MRI, the increased interactions between the electromagnetic waves and the biological tissues may give rise to heat and thermal hazards. This is clearly apparent for multi-transmit array applications where the electromagnetic fields are heavily manipulated in the subject to be imaged. In this work we provide complete 3D predictions of the B1 + fields, MRI images, energ...
Background and Objective: Due to increasing the water demand and the lack of its resources, the reuse of effluents is considered as a useful option in the water resources management. The aim of this study was to evaluate the possibility of the reuse of effluents from the extended aeration process in the wastewater treatment plant of the Bojnoord city for agricultural uses. Materials and Method...
Exposure to radio frequency electromagnetic fields has raised scientific and public concern regarding possible adverse effects to people exposed to such radiation. At cellular mobile communication frequencies, the most important parameter used to assess human exposure to electromagnetic fields is SAR (Specific Absorption Rate). This paper will firstly address two exposure scenarios related to a...
Soil salinity and water deficit are major problems for development of agricultural production. In this study, effects of growth promoting microorganisms (inoculation with Piriformospora indica and two isolates of Streptomyces sp.) on the leaf yield and absorption rate of some elements in leaves and roots of stevia plant was investigated under salinity conditions for two consecutive years (2016-...
This study was designed to investigate the effects of different tillage systems on some parameters such as soil salinity (pH, EC, SAR), soil density and nutrients in a nested experimental design with three treatments (no tillage, reduced tillage and conventional tillage) and three replications. Chenaran city fields were selected as the case study areas. Result of the statistical analysis indica...
This study aims to evaluate the hydrogeochemistry of aquifers in Fars province, Iran, from 2007 2017 and assess groundwater’s suitability for drinking agricultural uses. A total 35,000 samples were collected wells qanats across province. Piper, Gibbs, Durov diagrams used hydrochemical facies processes. Cross plots different ions investigated ion exchange determine effects anthropogenic activiti...
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