نتایج جستجو برای: failure parameters
تعداد نتایج: 931316 فیلتر نتایج به سال:
System characteristics of a two-unit repairable system are studied from a Bayesian viewpoint with different types of priors assumed for unknown parameters, in which the service station is unreliable. Times to failure and times to repair of the operating units are assumed to follow exponential distributions. In addition, failure times and repair times of the service station also follow exponenti...
The Weibull distribution is widely used in reliability and life data analysis due to its versatility. And, this distribution has been considered as a popular life time distribution which describes modeling phenomena with monotonic failure rates of components. Depending on the values of the parameters it can be used to model a variety of life behaviors. In this paper, reliability measures such a...
stability of foundations near slopes is one of the important and complicated problems in geotechnical engineering, which has been investigated by various methods such as limit equilibrium, limit analysis, slip-line, finite element and discrete element. the complexity of this problem is resulted from the combination of two probable failures: foundation failure and overall slope failure. the curr...
The purpose of this study was to investigate the clinical application of uterine artery blood flow parameters by vaginal color Doppler ultrasonography in patients with repeated embryo implantation failure and to examine the correlation between uterine artery blood flow parameters and microvessel density (MVD). We monitored the outcomes of in vitro fertilization and embryo transfer in eighty pat...
Abstract. MAP estimators and HPD credible sets are often criticized in the literature because of paradoxical behaviour due to a lack of invariance under reparametrization. In this paper, we propose a new version of MAP estimators and HPD credible sets that avoid this undesirable feature. Moreover, in the special case of non-informative prior, the new MAP estimators coincide with the invariant f...
Prediction accuracy of pharmacokinetic parameters is often assessed using prediction fold error, i.e., being within 2-, 3-, or n-fold of observed values. However, published studies disagree on which fold error represents an accurate prediction. In addition, "observed data" from only one clinical study are often used as the gold standard for in vitro to in vivo extrapolation (IVIVE) studies, des...
I propose a theory of the passive that combines aspects of the principles and parameters analysis (no specific rules, no downward movement) and Chomsky’s (1957) Syntactic Structures analysis (the arguments in the passive are generated in the same positions as they are in the active).
A large number of molecular mechanisms exist to ensure the continued function of perturbed cells. Here we explore a range of mechanisms of molecular robustness. A theory of robustness is proposed in which mechanisms are classified into those that purge damage, and those that buffer damage. The strategy upon which a system settles, is a function of the cost of purgation, and thereby a function o...
Thas paper presents the desagn of a fuzzy usage parameter controller (FUPC) for ATM (asynchronous transfer mode) networks The usage parameter control (UPC) as here based on a dual leaky bucket (DLB) mechanasm, wath parameters of token generatzon rate and token pool saze. In FUPC, we further e m p l o y parameters of token-change rate and anterarnval tame of zncomzng cells as znput languastac va...
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