نتایج جستجو برای: taguchi experimental design

تعداد نتایج: 1577352  

2014
J. Chen N. Hundal

Conventional machining is a form of subtractive manufacturing, in which a collection of material-working processes utilizing power-driven machine tools are used to remove undesired material to achieve a desired geometry. This paper presents an approach for comparison between turning center and vertical machining center by optimization of cutting parameters at cylindrical workpieces leading to m...

2002
Robert G. Batson Matthew E. Elam

Robust design uses the parameter design approach of Genichi Taguchi to optimize designs of products and processes with the objective of building in insensitivity to noise. Noise is any kind of uncontrolled variation in the environment of operation of the product or process that could affect performance. If we recognize how variation in the environment (e.g., energy source, raw materials, heat a...

2014
F. Amiri R. Noorossana

Along with the widespread use of Taguchi methods in product design, deenition of the loss function has been integrated with numerous models which require quality cost estimation. In this paper, the economic-statistical design of a variable sampling X-bar control chart is extended using the Taguchi loss function to improve chart eeectiveness from a quality cost point of view. The eeectiveness of...

Journal: :iranian journal of pharmaceutical research 0
alen shahbazian department of medicinal chemistry, pharmaceutical sciences branch, islamic azad university, tehran, iran. asghar davood department of medicinal chemistry, pharmaceutical sciences branch, islamic azad university, tehran, iran alireza dabirsiaghi department of pharmaceutical sciences, pharmaceutical sciences branch, islamic azad university, tehran, iran.

piroxicam has two different crystalline forms (known as needle and cubic forms), that they are different in physicochemical properties such as biological solubility. in the current research, using taguchi experimental design approach the influences of five operating variables on formation of the piroxicam polymorph shapes in recrystallization were studied. the variables include type of solvent,...

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشگاه شیمی و مهندسی شیمی ایران - پژوهشکده شیمی تجزیه و معدنی 1390

hydrochlorothiazide (hct) is a diuretic agent which is shown to be effective in the treatment of hypertension. literature reports have demonstrated that urinary excretion data may be used to assess the bioavailability of various formulations containing this thiazide. also hct consumption by the athletes is one of the drugs which should be regulated by world anti-doping agency (wada), because of...

Journal: :international journal of nanoscience and nanotechnology 2009
r. jabari seresht m. jahanshahi* j. raoof m. khorram

carbon nanotube, a new structure of carbon element, is composed of graphene sheets rolled into closed concentric cylinders with diameter of the order of nanometers and length of micrometers. liquid arc discharge was used for fabrication of carbon nanotubes, and subsequently a modified acid treatment method applied for purification stage. a statistical design of experimental (doe) (taguchi metho...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1381

‏‎the hypothesis is that recent and frequent exposure to lexical items leads to a more fluent production of speech in terms of rate of speech. to test the hypothesis , a one- way anova experimental design was carried out. 24 senior student of efl participated in a one-way interview test. data analyses revealed that those who were exposed frequently to the lexical items over a week prior to inte...

Journal: :journal of chemical and petroleum engineering 2011
hamid reza norouzi hedayat azizpour saba sharafoddinzadeh ابوالفضل براتی

cationic copolymer gels of acrylamide and [(methacrylamido) propyl] trimethyl ammonium chloride (maptac) were synthesized by free radical aqueous solution polymerization. the taguchi method, a robust experimental design, was employed for the optimization of the synthesis based on the equilibrium swelling capacity of the hydrogels. based on taguchi method a standard l16 orthogonal array with fiv...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده روانشناسی و علوم تربیتی 1388

the aim of this study is investigating the effect of teaching “metacognitive strategies” on the way which scientific information retrieval workes by the using of google scholar searching machine on the students of ms in the psycology & education faculty of allameh tabatabayi university in 2007-2008 academic year. the statistical community was the students of ms in psychology & education facult...

Journal: :تحقیقات نظام سلامت 0
شاهین بهزادی گروه مهندسی محیط زیست – آب و فاضلاب، دانشگاه آزاد اسلامی واحد علوم و تحقیقات خوزستان، خوزستان، ایران منصوره دهقانی گروه مهندسی بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی شیراز، فارس، ایران محمد صادق سخاوتجو گروه مهندسی محیط زیست – آب و فاضلاب، دانشگاه آزاد اسلامی واحد علوم و تحقیقات خوزستان، خوزستان، ایران حسن هاشمی مربی، گروه مهندسی بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی شهرکرد، شهرکرد، ایران

and cause health and environmental effects. this study investigates the optimization of the parameters affecting the advanced oxidation process fenton for improving toc removal from aqueous solution includes amoxicillin antibiotic by using taguchi experimental design. methods: in this study for evaluation the effect of factors and determination optimal conditions to removal toc by fenton proces...

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