نتایج جستجو برای: mixed spares
تعداد نتایج: 221599 فیلتر نتایج به سال:
SOME APPLICATIONS OF RELIABILITY ANALYSES OF STANDBY REDUNDANT SYSTEMS WITH REPAIR Michikazu Kumagai , Toshiba Research & DeveZopment Center 169 Some applications are discussed concerning reliability analyses of a standby redundant system with repair. The system consists of a series subsystem composed of N identical units and n spares. Failed units are assumed to be repaired by r repair facilit...
Fault Trees (FT) are one of the most popular techniques for dependability analysis of large, safety critical systems. They allow one to represent the combination of elementary causes that lead to the occurrence of an undesired catastrophic event named the Top Event (TE). By specifying failure probabilities on the basic components of the modeled system (the elementary causes of the TE, also call...
Two hundred and eight cases of failed dacryocystorhinostomy presenting to the Lacrimal Clinic at Moorfields Eye Hospital between 1970 and 1985 were reviewed. All cases underwent a further operation. The reasons for failure were usually apparent on reoperation. The surgical technique is described. A second dacryocystorhinostomy is a highly successful technique that spares both patient and surgeo...
Continuing our interest in designing compounds preferentially potent and selective for MMP-13, we report on a series of hydroxamic acids with a flexible amide P1' substituents. We identify an amide which spares both MMP-1 and -14, and shows >500 fold selectivity for MMP-13 versus MMP-2 and -8.
The embryonics project proposes a family of cellular architectures with reconfiguration properties inspired by the ontogenesis of multicellular organisms. This paper proposes reliability models for the MICTREE embryonic architecture. The models are used to analyse the reliability of MICTREE arrays with different combinations of spare cells. The methodology followed to attain the models can be u...
Dual 5-LOX/COX inhibitors are potential new drugs to treat inflammation. They act by blocking the formation of both prostaglandins and leucotrienes but do not affect lipoxin formation. Such combined inhibition avoids some of the disadvantages of selective COX-2 inhibitors and spares the gatrointestinal mucosa.
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