نتایج جستجو برای: scan rate
تعداد نتایج: 1031262 فیلتر نتایج به سال:
I have recently been renewing my acquaintance with Rudyard Kipling Rudyard Kipling the poet, that is, as distinct from Rudyard Kipling the short-story writer and part-time novelist. R.K. the poet is very much out of favour at present, and has been these twenty years. I suppose this disfavour springs from his identification with the spirit of Empire, with the Raj, with the Great White Sahib, wit...
One of the most notable phenomena of the last two years has been the sudden growth of what might be called the 'ecological movement'. I think myself that 'ecology' is a bad word to use in this context; I take the word to mean the systematic and dispassionate analysis of interrelationships between various kinds of life-forms and their physical environment?and the movement is not yet very systema...
Acute lymphoblastic leukemia is the most common malignancy in children with a 5-year survival rate, accounting for 80% of cases. Melanoma is rare in children and has been reported as a sporadically occurring secondary malignant neoplasm in children with acute lymphoblastic leukemia. This study presented a 10-year-old Iranian child with pre-B-cell acute lymphoblastic leukemia that was diagnosed ...
ارزیابی سطح دوز مرجع تشخیصی ناشی از آزمایشات سیتیاسکن در گروه سنی بزرگسالان در تهران: گزارش کوتاه
Background: Today, a CT scan examination play an important role in disease diagnosis and thus allocates a significant dose of medical X-ray examinations. One of the important principles in the use of ionizing radiations is to observe radiation protection principles. Evaluating patient's absorbed dose and implementing the strategies for reducing dose are prior in safety issues. To achieve this p...
Introduction: In nuclear medicine, the demand for a variety of radionuclides is rising every day. Radionuclides radiation doses to patients and staff are of high importance and it should be monitored and controlled in medical imaging centers. This study aimed to evaluate the safety principles in the Hegmataneh Gamma scan nuclear medicine center in Hamadan. Methods and Materials: Dose rate me...
The local authority Social Services Departments are going to get a bad press during the next year or two This seems quite certain, because of the attitudes and activities of certain Members of Parliament. There appears to be quite a vogue nowadays for Members to open debates, ask questions and make speeches not so much for their impact on the floor of the House as for the amount of press covera...
In this paper the process of laser forming has been investigated using an analytical and an experimental method for three levels scans velocity. A coupled analysis has been performed in ANSYS®. Also in order to prove the predictive methods, experiments on thin sheet metals have been done when a laser of a fair power was used. Before done, experiments were designed with full factorial chosen as ...
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