نتایج جستجو برای: magnetic survey
تعداد نتایج: 707999 فیلتر نتایج به سال:
تصویرسازی قابلیتهای فراوانی را دارا است
این پایان¬نامه شامل دو قسمت به قرار ذیل می¬باشد: 1-نانو¬ذرات fe3o4 به روش هم¬رسوبی سنتز شده و در محلولی از استیک اسید شامل کیتوسان¬، پراکنده می¬شود. در ادامه از glyoxal به عنوان عامل متصل¬کننده برای سنتز دو فیلم magnetic chitosan/glyoxal و magnetic chitosan/glyoxal/pva استفاده شده¬است. از فیلم¬های سنتز شده فوق به عنوان جاذبی کارآمد¬، قابل بازیافت و زیست¬سازگار جهت حذف فلز کروم¬(vi) از محلول¬ها...
There are many archaeological sites in Iran that have been remained unknown and have been ignored during these years with our neglect and under the pretext of the growth of cities and villages. The study of these sites, each of which is a ring in the history of human studies, is necessary for the correct understanding of the culture of the past. In the village of Koukherd -which is located in B...
The heptadentate Schiff base ligand, 2-(2-hydroxyphenyl)-1,3-bis[4-(2-hydroxyphenyl)-3-azabut-3-enyl]-1,3-imidazoline (H(3)api), yields [Ln(2)api(2)] species when combined with lanthanide salts under basic conditions. A survey of the magnetic properties of this dinuclear lanthanide motif (Ln = Gd, Tb, Dy, Ho) has identified weak magnetic exchange, antiferromagnetic in nature for the isotropic g...
We carried out the study to assess, using field surveys and personal dosimetry, the potential exposure of pharmacists and pharmaceutical assistants to 60 Hz magnetic fields in a medical center of Taiwan. Field surveys were conducted twice in the pharmacy where two workers were randomly selected and solicited to wear personal dosimetry instruments for a full-shift assessment of personal exposure...
The study area is located 92 Km south-east of Torbat-e-Heydariyeh and 12 Km to the north of Shahrak village in Khaf-Dorouneh volcanic-plutonic belt. Mineralization was formed in fault zones where they cross the intermediate plutonic rocks. Propylitic alteration is widespread and is the dominant type in the area. Magnetite and Specularite with variation in the amount form major portion of minera...
SHORT ABSTRACT: This paper describes the theoretical analysis of a method to detect and classify objects from magnetic maps. The method, originally designed to detect buried UXO by land survey with a magnetometer, is adapted here for underwater survey with a gradiometer. Evaluation is performed on simulated data in order to predict the performance of the adapted algorithm to this new situation....
magnetic resonance imaging (mri) is a notable medical imaging technique that makes of phenomenon of nuclear magnetic resonance. because of the resolution and the technology being harmless, mri has considered as the most desirable imaging technique in clinical applications. the visual quality of mri plays an important role in accuracy of medical delineations that can be seriously degraded by exi...
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