نتایج جستجو برای: hot working
تعداد نتایج: 281262 فیلتر نتایج به سال:
Background: Hot lab is a specially designed room in a nuclear medicine hospital where the radiopharmaceuticals are delivered, stored and prepared for dispensing. 99Mo/99mTc-generator is the major source in the hot lab used for various medical imaging. It is important to maintain a standard for hot lab procedures to optimize the patient care and minimize radiation exposure to all nuclear medicin...
The microstructure and microhardness of X70 pipeline steel were investigated after conducting different processing routes. was characterized using optical electron microscopy. Scanning microscopy equipped with backscattered diffraction (EBSD) transmission techniques applied for investigation thermal treatment conditions. Mechanical properties by a tester. results show that the mainly consists g...
Electronic Assessment systems usually provide an authoring tool for creating activities (mainly closed-type questions) and administering the flow of their presentation and are also complemented with a delivery environment for learners. In this paper, we discuss learner’s control over authored assessment. The prototype application, ReACTS (Re-Adaptable Computerized Testing System), enables learn...
In this paper, we address the issues of maintaining sensing coverage and connectivity by keeping a minimum number of sensor nodes in the active mode in wireless sensor networks. We investigate the relationship between coverage and connectivity by solving the following two sub-problems. First, we prove that if the radio range is at least twice the sensing range, complete coverage of a convex are...
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