نتایج جستجو برای: qualitek
تعداد نتایج: 71 فیلتر نتایج به سال:
This paper offers a different view of quality that has traditionally been used. Uniformity of products is of greater concern than just conformance to specifications. Improvement in quality by reducing the number of defectives is a goal every organization likes to pursue. However, the reduction of defectives requires an additional investment in procuring suitable technology and training of emplo...
Laccase production by Coriolopsis caperata RCK2011 under solid state fermentation was optimized following Taguchi design of experiment. An orthogonal array layout of L18 (2(1) × 3(7)) was constructed using Qualitek-4 software with eight most influensive factors on laccase production. At individual level pH contributed higher influence, whereas, corn steep liquor (CSL) accounted for more than 50...
In this study, the solubility of CO2 in DEA in the presence and absence of choline chloride was reported at different temperatures of 276.15, 298.15, 313.15, and 333.15 K, and pressure range of 4-15 bar. The solubility of CO2 was evaluated using the pressure decay method in a batch isochoric stirred absorption cell. Also, the design of experiments performed with Qualitek-4 software using the Ta...
BACKGROUND Fungal laccase has profound applications in different fields of biotechnology due to its broad specificity and high redox potential. Any successful application of the enzyme requires large scale production. As laccase production is highly dependent on medium components and cultural conditions, optimization of the same is essential for efficient product production. RESULTS Productio...
زمینه و هدف: در سال های اخیر کاربرد سیستم های راکتورهای زیستی با بستر متحرک در تصفیه زیستی فاضلاب های شهری و صنعتی توسعه یافته است. آزمایش طراحی شده آزمونی است که در آن تغییرات هدف داری در متغیر های ورودی فرآیند اعمال می گردد و معمولاً برای شناسایی عوامل مهم و موثر بر روی یک فرآیند و بهینه سازی مدل تجربی فرآیند استفاده می شود. روش تاگوچی از سال 1980 به عنوان یک روش کنترل کیفیت به منظور بهینه ساز...
The rapid expansion of a supercritical solution (RESS) process is a promising method for the production of small, uniform and solvent-free particles of solutes. The RESS containing a non-volatile solute leads to loss of solvent power by the fast expansion of the supercritical solution through an adequate nozzle, which can cause solute precipitation. The nozzle configuration plays an important r...
Cauliflower-like nanostructure of cadmium oxide was synthesized by utilizing mechanochemical reaction followed calcination procedure for the first time. The design of experiment (DOE) by Taguchi method was used to study influence of the chosen factors and to consider optimum conditions of the experiments. The temperature of calcining, the duration of milling, the duration of calcining and react...
Magnesium powder are used extensively in formulations of energetic materials. Of powdered can be used as metal fuel in explosives, Pyrotechnics and propellants. The main use of magnesium powder is in Flare Pyrotechnic magnesium,Teflon, Viton (MTV).While the basic problem in using this powder, its high reactivity against oxygen and moisture, this will result in the deactivation magnesium powder ...
cauliflower-like nanostructure of cadmium oxide was synthesized by utilizing mechanochemical reaction followed calcination procedure for the first time. the design of experiment (doe) by taguchi method was used to study influence of the chosen factors and to consider optimum conditions of the experiments. the temperature of calcining, the duration of milling, the duration of calcining and react...
روشتاگوچی از سال 1980 به عنوان یک روش کنترلی کیفیت به منظور بهینه سازی فرآیندهای آزمایشهای مهندسی به کار گرفته شده است. هدف از انجام این مطالعه بررسی و تعیین شرایط بهینه جهت کاهش cod پساب واحد pta شرکت پتروشیمی شهید تندگویان در راکتور بی هوازی به کمک میکرو ارگانیسم ها با استفاده از روش تاگوچی است. تاکنون در زمینه کاهش cod این پساب تحقیقات مختلفی صورت گرفته است. در این تحقیقات پارامترهای مختلفی ...
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