نتایج جستجو برای: 131 cs source
تعداد نتایج: 464425 فیلتر نتایج به سال:
Fast Green (FCF) dye is commonly used in both cytology and histology applications. Previous studies have found that it can cause mutagenic and tumorigenic effects in experimental human and animal populations. It can also be a source of skin, eye, respiratory, and digestive irritation. The purpose of this study was to examine the use of thin film membranes to degrade FCF. A thin film membrane of...
To obtain high quality of results in gamma spectrometry, it is necessary to calibrate energy and efficiency of gamma detector as accurate as possible. To achieve this aim, utilizing the convenient gamma source can be very useful. Therefore, purpose of present study was to evaluate the determined efficiency by single point gamma sources and multi-nuclides gamma source in a high purity germanium ...
We read with great interest the report by Thomas et al describing the use of leadless left ventricular (LV) endocardial pacing in a patient with coronary sinus (CS) atresia. The technique they used was highly sophisticated but necessitated, besides implantation of the LV receiver-electrode, an ultrasound source for energy transmission and a separate battery pack for the ultrasound source. In ou...
Total activities due to the ingestion of I were evaluated in different compartments of the human body of patients. It has been shown that the 131 I activity in urine of patients increases when the 131 I uptake decreases which could represent a source of radiation for their relatives when they leave hospitals. A new dosimetric model based on the specific betadose concept was developed for evalua...
The recent enthusiastic reception of the MIT OpenCourseWare (OCW) project has significantly improved the general awareness of Open Courseware (OC). However, many other lesser known projects and resources can also be classified as OC. The OC movement can potentially provide a vast pool of resources to satisfy diverse needs of Computer Science (CS) educators. However, there are only limited discu...
Under the changing climate, early flowering is advantageous to escape terminal heat and drought. Previously during evaluation of 14 chromosome introgression lines (ILs), we found three ILs that flowered a month earlier than their wheat background Chinese Spring (CS). This paper describes the cause of the early flowering in the ILs and provides insight into the evolution of spring wheat from the...
OBJECTIVE To evaluate the prevalence, indications, and factors associated with successful induction of labor (IOL), and maternal and neonatal outcomes. METHODS All women booked for IOL at King Khalid University Hospital, King Saud University, Riyadh, Kingdom of Saudi Arabia from April 2010 to March 2011 were included. The characteristics of women who had successful IOL were compared to those ...
Following the Fukushima Daiichi Nuclear Power Plant (FDNPP) accident of 2011, which deposited radionuclides across Tohoku and northern Kanto, β-ray dose evaluation has been performed to estimate radiation exposure for small creatures like insects as well as human skin. Using the Monte Carlo radiation transport code MCNP-4C, we calculated the β-ray dose for (129m)Te, (129)Te, (131)I, (132)Te, (1...
کیتوسان یک هتروپلی ساکارید متشکل از گلوکز آمین و n– استیل گلوکز آمین است که به وسیله پیوندهای( β(1→4 ، گلوکزیدی به هم اتصال یافته اند. کیتوسان از واکنش استیل زدایی کیتین که دومین پلی ساکارید از نظر فراوانی در طبیعت است بوسیله محلول بازی سدیم هیدروکسید تهیه می شود. در سال های اخیر تهیه نانوذرات کیتوسان در داروسازی و پزشکی برای کاربردهای مختلف از جمله حامل های دارویی و ژن درمانی مورد توجه قرار گر...
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