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This study conducted one-at-a-time (OAT) sensitivity and uncertainty analysis for a numerical vapor intrusion model for nine input parameters, including soil porosity, soil moisture, soil air permeability, aerobic biodegradation rate, building depressurization, crack width, floor thickness, building volume, and indoor air exchange rate. Simulations were performed for three soil types (clay, silt,...
The research of trustworthiness measurement of user behavior is the hotpot in the network security. According to the existing problems of the user behavior trust evaluation method in the subjective weight and dynamic adaptability, in this paper, the calculation method of indirect credibility has been improved, and combined with the previously proposed user behavior evaluation method based on Analytic...
According to the effect analysis of reliability on life cycle cost (LCC), the model of reliability's effect on equipment's LCC is established. This model is used for LCC optimization and minimizes LCC, under the condition that reliability, maintainability and supportability are all available. With background of the LCC management theory based on reliability and maintainability theory, in combination...
The reliability of the warship system is very important to reducing its life cycle cost. By analyzing the effect of reliability on LCC of warship and setting up the model of the effect of reliability on LCC of warship. An example shows that the model can reflect the effect of reliability on LCC of warship effectively and have guidance significance to optimize the reliability indexes.
In high performance computing environment, the metadata servers of distributed file system become critical to impact overall system performance. An approach of memory based metadata server is proposed, instead of the disk based approach. We present a metadata management system with matrix organization, non-overhead reliable mechanism and static scalability method, which is design to efficiently utilize...
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