نتایج جستجو برای: preferred robust response surface design

تعداد نتایج: 2617515  

Fitting response surface models is usually carried out using statistical packages to solve complicated equations in order to produce the estimates of the model coefficients. This paper proposes a new procedure for fitting response surface models to mixed two-level and four-level factorial designs. New and easier formulae are suggested to calculate the linear, quadratic and the interaction coeff...

2010
Shengying Pan Kate Larson Iyad Rahwan

Recently Argumentation Mechanism Design (ArgMD) was introduced as a paradigm for studying argumentation using game-theoretic techniques. To date, this framework has been used to study under what conditions a direct mechanism based on Dung’s grounded semantics is strategy-proof (i.e. truth-enforcing) when knowledge of arguments is private to self-interested agents. In this paper, we study Dung’s...

Journal: :journal of food biosciences and technology 0

abstract: aqueous enzymatic extraction of oil from pistacia khinjuk was performed using cellulase. the central composite design was used to optimize the parameters that are significant to the process. the influence of three regressors on the percentage of oil recovery from seed was evaluated using second-order polynomial multiple regression model. analysis of variance showed a high coefficient ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه کاشان - پژوهشکده اسانس قمصر 1392

طراحی آزمایش همان طراحی اطلاعات است در صورتی که با متغیرهای متفاوتی مواجه باشیم. در این روش آماری کنترل آزمایش هایمان را خودمان به دست می گیریم تا به اثر عوامل و فاکتورهای مختلف روی تک تک واحدها و مراحل آزمایش پی ببریم. طراحی آزمایش، کاربرد بسیار وسیعی در تمام علوم طبیعی و اجتماعی دارد. از آن جهت که در هر زمینه و مسئله و رخدادی به دنبال یافتن موثرترین و کم اثر ترین فاکتورهای تاثیرگذار هستیم تا ...

Journal: :iranian journal of chemistry and chemical engineering 0
kamran taghavi department of environmental health engineering, school of health, guilan university of medical sciences, 3391 rasht, i.r. iran saeid purkareim department of environmental health engineering, school of health, guilan university of medical sciences, 3391 rasht, i.r. iran alireza pendashteh the caspian sea basin research centre, university of guilan, 4199613776 rasht, i.r. iran naz chaibakhsh department of chemistry, faculty of science, university of guilan, 41335-19141 rasht, i.r. iran

this study investigates the degradation of sodium dodecylbenzenesulfonate (sdbs) in aqueous solution by the fenton-like oxidation process. the effects of different parameters such as concentrations of ferric chloride and hydrogen peroxide, ph and reaction time on the sdbs removal and chemical oxygen demand (cod) reduction were evaluated. response surface methodology (rsm) with central composite...

Journal: :applied food biotechnology 0
faranak noori department of microbiology, college of sciences, saveh science and research branch, islamic azad university, saveh, iran maryam tajabadi ebrahimi assistant professor, department of biology, faculty of sciences, islamic azad university central tehran branch, tehran, iran parvaneh jafari assistant professor, department of microbiology, faculty of science, islamic azad university arak branch, arak, iran.

background and objective: lactobacillus plantarum is one of the probiotics species used in functional food products. these bacteria or their purified bacteriocins are used as biological preservatives in the food industry. the first step in production of an array of probiotic products is optimizing production in fermentors. this study aimed to examine factors affecting the in vitro growth optimi...

Journal: :علوم و تکنولوژی پلیمر 0
شاداب باقری خولنجانی حمید میرزاده محمد عترتی خسروشاهی

nano-hydroxyapatite/gelatin (nha/ge) microspheres are currently used in bone tissue engineering as bone filler. in this  study, the effect of fabrication process parameters on the particle size of nano-hydroxyapatite/gelatinmicrospheres was investigated. the nha/ge microspheres were fabricated using water in oil emulsion. in order to design an experimental design, a surface response model with ...

Journal: :advances in environmental technology 0
mojtaba ahmadi razi nuiversity m. hamed ardakani razi university a.a zinati zadeh razi university

the optimization of process conditions for the degradation of acid blue 193 by uv/peroxydisulfate was investigated using response surface methodology (rsm). the effects of four parameters namely initial k2s2o8 concentration, uv irradiation, temperature, and initial dye concentration on two process responses, color removal and the rate constants of the first-order kinetic equations, were investi...

Journal: :journal of agricultural science and technology 2012
z. emam-djomeh s. shamaei s. moini

in this study, we investigated the effects of osmotic process with or without ultrasound on solid gain (sg) and water loss (wl) of cranberries. response surface methodology was used to model and determine the optimum processing conditions for wl and sg during osmotic dehydration of samples. sucrose (40-60%) and salt (0-8%) concentrations, temperature (30-50°c) and frequency of ultrasound (0-130...

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