Safe options for suction canister waste.
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چکیده
منابع مشابه
Transient boundary conditions in the frame of THM-processes at nuclear waste repositories
In nuclear waste repositories, initially unsaturated buffer is subjected to constant heat emitted by waste canister in conjunction with peripheral hydration through water from host rock. The transient hydration process can be potraied as transformation of initial heterogeneity towards homogeneity as final stage. In this context, this paper addresses the key issue of hydro mechanical behaviour o...
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some agent. This agent is usually water, which can transport the radionuclides in dissolved form or in colloids or small particles. We can therefore establish that a basic characteristic of a safe repository is for it be impermeable, that is, water should not be able to penetrate it. At this stage it is appropriate to consider the physical form in which the waste will be taken to the repository...
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Danger waste disposal systems are typically comprised a series of barriers that act to protect the environment and human health. The presence of several barriers enhances confidence that the waste will be adequately contained. This article is focused on one of barriers, bentonite buffer. Bentonite buffer intervene between the waste canister and the host rock. One of main tasks of the bentonite ...
متن کاملModeling transient heat transfer in nuclear waste repositories.
The heat of high-level nuclear waste may be generated and released from a canister at final disposal sites. The waste heat may affect the engineering properties of waste canisters, buffers, and backfill material in the emplacement tunnel and the host rock. This study addresses the problem of the heat generated from the waste canister and analyzes the heat distribution between the buffer and the...
متن کاملRadial Endobronchial Ultrasound (EBUS) Guided Suction Catheter-Biopsy in Histological Diagnosis of Peripheral Pulmonary Lesions
BACKGROUND EBUS guided trans-bronchial biopsy became routine in diagnosis of peripheral pulmonary lesions (PPL). Suction catheter-biopsy is a technique for obtaining a tissue sample from peripheral lung parenchyma. Aim of this study was to evaluate diagnostic efficiency, feasibility and safety of EBUS guided suction catheter-biopsy (SCB) in comparison to trans-bronchial biopsy (TBB) in diagnosi...
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عنوان ژورنال:
- OR manager
دوره 20 4 شماره
صفحات -
تاریخ انتشار 2004