نتایج جستجو برای: 17025
تعداد نتایج: 198 فیلتر نتایج به سال:
The validation of the conformity parts according to ISO 98-4 standard, cannot be achieved without an accurate estimation measurement uncertainty, which can become difficult when it comes a complex strategy control geometrical specification mechanical part using Coordinate Measuring Machine (CMM). purpose study in this paper is analyze following Geometric Product Specification (GPS) Standard, es...
مقدمه و هدف: اهداف کلی باید در یک بیانیه خط مشی کیفیت مدون شود و بیانیه به امضای بالاترین مقام اجرایی برسند. این بیانیه حداقل باید شامل مراحل مختلف باشد. آزمایشگاه باید خط مشیها، سیستمها، برنامهها، روشهای اجرایی و دستورالعملهای خود را تا حدی که برای تأمین کیفیت نتایج آزمون ضروری باشد، مستند سازد مواد و روش کار: در حال حاضر استاندارد بین المللیISO/IEC 17025 که در نتیجه تجربیات وسیع ...
the most used quechers and gas chromatography methods were performed, to evaluate the presence of organochlorines, organophosphate, polychlorinated biphenyl and chlorobenzenes in water and in fish. according to the standard iso iec 17025, a recovery rate obtained ranged from 70 to 120% assessing the reliability of analysis results. the exceed rate in fish of malathion is 22.2, and 5.2 ppm in sa...
BACKGROUND It is well known that high-energy diet, rich in fat and carbohydrates, increases the risk of obesity. Preschool age is an important period to acquire the eating habits continued later in adulthood. Therefore, evaluation of child nutrition in kindergartens is especially important in the prevention of future obesity. OBJECTIVES To determine the energy value and energy density of meal...
Abstract The evaluation of measurement uncertainty is often perceived by laboratory staff as complex and quite distant from daily practice. Nevertheless, standards such ISO/IEC 17025, ISO 15189 17034 that specify requirements for laboratories to enable them demonstrate they operate competently, are able generate valid results, require evaluated reported. In response this need, a European projec...
Abstract Over the years, risk management gains significant importance in laboratories of every kind. The safety workers, accuracy and reliability laboratory results, issues financial sustainability as well protection environment play an important role decision-making both industry services. In order a to be considered reliable, safe, therefore competitive, it is recommended comply with requirem...
Wine sensory testing is carried out by assessors who are usually selected and prepared depending on the test type, their skills may vary various factors. Expert wine should have superior evaluation abilities, an expert grape knowledge level but even more assessment competence. The aim of this research was to competencies certified Croatian using a less-familiar descriptive methodology with no p...
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