PURPOSE OF REVIEW To highlight the relevance of preoperative differentiation of degenerative mitral valve disease based on etiology (predominantly Barlow's Disease or fibroelastic deficiency) and severity of lesions with an emphasis on how such differentiation by the cardiologist can result in increased rate of mitral valve repair. RECENT FINDINGS In the hands of reference mitral valve-repair...

Phased mission analysis is carried out to predict the reliability of systems which undergo a series of phases, each with differing requirements for success, with the mission objective being achieved only on the successful completion of all phases. Many systems from a range of industries experience such missions. The methods used for phased mission analysis are dependent upon the repairability o...

Minimum storage regenerating (MSR) codes form a special class of maximum distance separable (MDS) codes by providing mechanisms for exact regeneration of a single code block in their codewords by downloading the minimum amount of information from the remaining code blocks. As a result, the MSR codes find application to distributed storage systems to enable node repairs with the optimal repair b...

Aim: The aim of this study was to assess the fracture resistance endodontically treated maxillary premolars with mesioocclusodistal (MOD) cavities supported by horizontal glass fiber posts. Methodology: Thirty three extracted were collected and grouped into three. MOD prepared all them treated. Teeth posts; vertical posts composite restoration alone in groups respectively. Fracture assessed usi...

We study the Singleton-type bound that provides an upper limit on minimum distance of locally repairable codes. present improved by carefully analyzing combinatorial structure repair sets. Thus, we show previous is unachievable for certain parameters. then also provide explicit constructions optimal codes which parameters new sharp. Additionally, as a byproduct, some previously known are shown ...

This paper introduces a simple index that helps to assess the degree of aging or rejuvenation of repairable systems and non-repairable systems (components). The index ranges from –1 to 1. It is negative for the class of decreasing failure rate distributions and point processes with decreasing ROCOF and is positive for the increasing failure rate distributions and point processes with increasing...

A repairable system can brieey be characterized as a system which is repaired rather than replaced after a failure. The most commonly used models for the failure process of a repairable system are nonhomogeneous Poisson processes (NHPP), corresponding to minimal repairs, and renewal processes (RP), corresponding to perfect repairs. The paper reviews models for more general repair actions, often...

— The inter-die and intra-die variation in process parameters (in particular, threshold voltage (Vt)) result in large number of failures in an SRAM array degrading the design yield. The adaptive repairing techniques, such as adaptive body bias, can be used to improve the design yield. However, to apply adaptive repairing techniques it is necessary to distinguish between the dies from low-Vt pro...