Rejuvenation technique on cable insulation failures is a hot topic in improving production benefits for electric related enterprises. Breaking the traditional thought of repair action without extensive former damage scale insulation, proposed starts from local standard geometry elimination or sheaths around failure section(s). And then, one injection molding applied rejuvenation eliminated no m...

stress and residual stress are the main problems in the operating performance of materials. they are the principal causes of material failure and can affect life time of component. however measurement or predictions of them are typically difficult. two common non-destructive methods, x-ray diffraction and ultrasound are not reliable methods for subsurface residual stress measurements and destru...

The machine repair problem with spares and additional repairman is analyzed. The interfailure and repair times of the units are general identical and independently distributed. The failure and repair rates are assumed to be state dependent. Using diffusion approximation technique, we obtain the queue size distribution under steady state. The average number of failed units, average number of ope...

Background: Healthcare statistics, issued by various international organizations, show that medical errors in health centers impose high costs on patients and hospitals increase the rates of morbidity mortality around world. Due to potential risks cardiovascular diseases, occurrence any can potentially endanger patients’ lives incur them, as well hospitals. On other hand, anesthesia is one prio...

OBJECTIVE To investigate effect of body mass index (BMI) on survival and technique failure in patients undergoing peritoneal dialysis (PD). METHODS In this retrospective study three hundred ninety-two consecutive patients undergoing peritoneal dialysis from September 1995 to January 2013 were included. Median PD duration was 53 (range: 4-189) months. Clinical outcomes were mortality and techn...

Failure assessment encompasses the identification and characterization both of potential failure mechanisms in systems under development and of actual failure occurrences in operational systems. This paper presents several of the most widely used and useful techniques for failure assessment across the system lifecycle with an emphasis on the role of software. For each technique the paper descri...

a reliability analysis of suspension bridges against buffeting failure due to gustiness of wind velocity is carried out using the concept of pra (probabilistic risk analysis) procedure. for this purpose, the bending stresses at the critical nodes of the bridge deck are obtained for buffeting forces using a spectral analysis technique and a finite element approach. for the purpose of reliability...