BACKGROUND Trace element external quality assessment schemes monitor laboratory performance and provide a stimulus for improvement in accuracy. However, monitoring of participant performance varies according to the scheme and can lead to conflicting conclusions. METHODS Quality specifications based on biological intra- and interindividual variability were calculated and compared to those curr...

BACKGROUND External quality assessment is essential in modern andrology laboratories. To assess the proficiency of laboratories participating in an external quality assessment programme (EQAP), limits for acceptable variability must be determined. Limits currently specified largely depend on criteria set by the organizers of individual EQAP schemes. The objective of this study was to evaluate t...

Our aim is to maximize expected profit per item of a multi-stage production system by determining best adjustment points of the equipments used based on technical product specifications defined by designer. In this system, the quality characteristics of items produced should be within lower and higher tolerance limits. When a quality characteristic of an item either falls beneath the lower li...

In the last decade, the burst of the Web 2.0 has rapidly increased the amount of user generated content (UGC) on the Internet. Most of Web 2.0 applications allow users to interact with other users and edit website content. This collaborative edition is supposed to improve the content. Nowadays, the amount of people generating online content has dramatically increased. For instance, in the U.S.,...

background: nepeta menthoides boiss & buhse is a species from lamiaceae family. it is used as a herbal medicine with common name “ostokhodus” in iranian traditional and folk medicine but there is not enough information about its quality and quantity control methods. objective: in this study we use micromorphological and phytochemical evaluations for qualitative and quantitative control of n. me...

Quality-of-services in the domain of Web services plays a major role when utilizing Web services to various business scenarios. Reliable Messaging and secure conversation, governed by WSReliableMessaging [3] and WS-SecureConversation [4] specifications respectively, and many other WS-* specifications are such quality-of-services that most of the business integrations expect from Web service eng...

background: health assessment in patients  with epilepsy (pwe) should  include  both  clinical outcomes and  health related quality of life (hrqol) measures. the quality of life (qol) in epilepsy-31 inventory  (qolie-31) is widely used for qol studies  in epilepsy. this study  aims to evaluate psychometrics  of the persian version of the inventory (qolie-31-p). methods:  following a  standard  ...