نتایج جستجو برای: plackett burman design pbd
تعداد نتایج: 961141 فیلتر نتایج به سال:
The aim of this study was to optimize the production polyunsaturated fatty acids (PUFAs), using use response surface methodology (RSM), produced PUFAs in kareish cheese processing. Plackett Burman design (PBD) employed screen media components that affect development (glucose, olive cake, yeast extract, tryptone, MgSO4, KH2PO4, NH4Cl, agitation speed, incubation time, and pH), results showed cak...
Mustard oil cake (Brassica napus), the residue obtained after extraction of mustard oil from mustard oil seeds, was investigated for the production of lipase under solid state fermentation (SSF) using the marine yeast Yarrowia lipolytica NCIM 3589. Process parameters such as incubation time, biomass concentration, initial moisture content, carbon source concentration and nitrogen source concent...
The production of extra cellular lipase in Solid State Fermentation (SSF) using Yarrowia lipolytica NCIM 3589 with Palm Kernal cake (Elaeis guineensis) has been studied. Different parameters such as incubation time, inoculum level, initial moisture content, carbon level and nitrogen level of the medium were optimized. Screening of various process variables has been accomplished with the help of...
Experimental design on the front lines of marketing: Testing new ideas to increase direct mail sales
Marketers have recently begun to embrace complex experimental designs for marketing and advertising testing. Full-factorial, fractional-factorial and Plackett–Burman designs have given marketers new statistical tools to increase the speed, power, and profitability of their testing programs. This case study shows how well constructed and managed experimental designs offer marketing professionals...
سابقه و هدف: صمغ زانتان، بیوپلیمر بسیار مهمی است که در بسیاری از صنایع به ویژه صنعت غذا کاربردهای متنوعی دارد. در این تحقیق، تولید میکروبی آن از باکتری زانتوموناس کمپستریس ptcc1473 بر ملاس نیشکر و شیره خرما در تخمیر غوطه ور و ضایعات خشک خرما (پس از شیره گیری) در تخمیر حالت جامد مقایسه شد. مواد و روش ها: ترکیب شیمیایی سوبستراها از نظر درصد وزن خشک سلولی، نیتروژن، قند، رطوبت، خاکستر و ph اندازه گ...
The present study investigated the use of waste non-edible oil cakes (Jatropha, Karanja, Neem, and Mahua) as a substrate for the growth of Paecilomyces variotii and dipicolinic acid (DPA) production. Previous researches proved the efficacy of DPA in suppressing certain pathogens that are deleterious to the plants in the rhizosphere. DPA production was statistical optimized by amending non-edibl...
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