INTRODUCTION Proper maintenance policy can play a vital role for effective investigation of product reliability. Every engineered object such as product, plant or infrastructure needs preventive and corrective maintenance. CASE DESCRIPTION In this paper we look at a real case study. It deals with the maintenance of hydraulic pumps used in excavators by a mining company. We obtain the data tha...

It is argued that randomized, controlled trials should fulfil a critical role in the identification of practical approaches to the prevention and control of chronic diseases. Because of the great public health potential of chemopreventive and behavioural approaches to chronic disease prevention there is need for a major interdisciplinary scientific effort aimed at intervention development. Beca...

lamotrigine has been used widely in the treatment of partial and secondary generalized seizures. in this study use of lamotrigine as monotherapy for the newly diagnosed primary generalized tonic–clonic seizure has been investigated and compared with carbamazepine. after dose escalation (3 weeks for carbamazepine and 6 weeks for lamotrigin), patients were followed every 4 weeks for the first 16 ...

a recent randomized clinical trial showed buspirone efficacy in the treatment of attention-deficit/hyperactivity disorder (adhd) in children. however, results from a recent multi-site controlled clinical trial of transdermal buspirone failed to separate it from placebo in a large sample of children with adhd. therefore, due to these inconsistent findings, this study was designed to assess the e...

background: in clinical trials of irritable bowel syndrome (ibs), evaluation of treatment efficacy is still mainly subjective.we compared three outcome measures in reflecting response to treatment in a clinical trial of ibs. â  materials and methods: sixty three adult ibs patients participated in a placebo-controlled trial of 10-wk cognitive-behavioral therapy. patients completed the ibs-qualit...