نتایج جستجو برای: 90 sr 90 y source
تعداد نتایج: 1124436 فیلتر نتایج به سال:
This paper describes improvements to the rule chaining architecture presented in [1]. The architecture uses distributed associative memories to allow the system to utilise memory efficiently, and superimposed distributed representations in order to reduce the time complexity of a tree search to O(d), where d is the depth of the tree. This new work reduces the memory required by the architecture...
Activity rules have emerged in recent years as an important aspect of practical auction design. The role of an activity rule in an iterative auction is to suppress strategic behavior by bidders and promote simple, continual, meaningful bidding and thus, price discovery. These rules find application in the design of iterative combinatorial auctions for real world scenarios, for example in spectr...
In this paper we have used one 2 variable Boolean function called Rule 6 to define another beautiful transformation named as Extended Rule-6. Using this function we have explored the algebraic beauties and its application to an efficient Round Robin Tournament (RRT) routine for 2 (k is any natural number) number of teams. At the end, we have thrown some light towards any number of teams of the ...
Yttrium-90 has been described as one of the best radionuclides for tumor therapy when chelated to tumor-associated antibodies. This evaluation is based on the superior properties of this radionuclide (suitable half-life, pure beta-ray emitter of intermediate energy, stable daughter, and suitable chemical properties) and because it is available as a radionuclide generator product by decay of its...
www.thelancet.com Vol 390 July 22, 2017 341 More than three decades into the global HIV pandemic, there are still 2·1 million new infections each year and 36·7 million people are living with HIV. By mid2016, 18·2 million people were on antiretroviral treatment—about 50% of people living with HIV. Yet in 2015, 15 million people living with HIV were estimated to be unaware of their status and 1·1...
Objectives: The goals of this investigation are to determine whether commercially available dose calibrators can be used to measure the activity of -emitting radionuclides used in pain palliation and to establish whether manufacturer-supplied calibration factors are appropriate for this purpose. Methods: Six types of commercially available dose calibrators were studied. Dose calibrator response...
UNLABELLED This investigation examined the accuracy of dose calibrator activity measurement of the beta-emitting radiopharmaceutical (90)Y-ibritumomab tiuxetan. METHODS Five different facilities independently measured (90)Y in a 10-mL syringe geometry with 30 dose calibrator models from 3 different manufacturers. The activities ranged from 81.4 MBq (2.2 mCi) to 1,406 MBq (38 mCi) over the vol...
OBJECTIVES The aim of this study was to evaluate the long term effect of radiation synovectomy with yttrium-90 silicate in haemophiliac patients with recurrent haemarthrosis. METHODS The bleeding frequency and the mobility of the joint were recorded in 16 joints of 14 patients 1 year before radiosynovectomy and during follow up, which ranged from 3 to 6 years. Patients evaluated the effect of...
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