نتایج جستجو برای: response surface models
تعداد نتایج: 2353723 فیلتر نتایج به سال:
the aim of this study was to optimize the encapsulation conditions of garlic oil (go) with β-cyclodextrin (go/β-cd) inclusion complex by the co-precipitation method. response surface optimization of encapsulation of go with β–cd was performed with a three-variable, three-level and the optimum conditions were as follows: temperature: 35oc, core/wall: 8/100, and wall/solvent: 5.5/100. the complex...
probiotics are defined as living microorganisms with beneficial effects on the host. probiotics, according to the least negative effect on the body, are considered as a good alternative to chemical drugs. lactobacillus acidophilus is used as a probiotic that is able to reduce cholesterol level in the blood. the effect of various concentrations of carbon, nitrogen and phosphorus for enhancing th...
selection of an appropriate model is important for quantifying response of germination rate to temperature and determination of cardinal temperatures. this study was done to evaluate different nonlinear regression models to describe response of germination rate to temperature in medicinal pumpkin, borago and black cumin. the regression models were dent-like, segmented, beta, curvilinear, quadra...
Response surface techniques allow us to combine results from a large number of inexpensive low fidelity analyses with a small number of expensive high fidelity analyses for constructing inexpensive and accurate approximations. The paper demonstrates this approach by constructing approximations to wing bending material weight of a high speed civil transport (HSCT). The approximations employ a la...
abstract this paper discusses several commonly used models for strategic marketing¹ including market environmental analysis methods (i.e. swot and pest analysis) and strategic marketing tools and techniques (i.e. boston matrix and shell directional policy matrix)and shows how these models may help a firm to achieve its strategic goals. at first, the main reason for doing this research is de...
چکیده در بخش اول این پروژه دو روش میکرواستخخرا به نامهای میکرواسخخرا امولسیونی با کمک اموا فراصتتتو 1 و میکرواستتتخخرا مای – مای با کمک هوا 2 ، به عنوان دو روش میکرواستتتخخرا بدون حلال پخشکننده 3 ، برای اسخخرا برخی هیتدروکربتنهای آروماتیتک حلقوی 4 از نمونتههای آبتی بهکار گرفخه و پارامخرهای موثری همچون نوع حلال اسختتتتخرا کننده، حجم حلال اسخخرا کننده، میزان نمک، زمان تابش اموا فراصتو ، تددا...
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