نتایج جستجو برای: box behenken design

تعداد نتایج: 1036669  

The buried hetero-structure (BH) InGaAsP-InP waveguide is used for asystem of double microring resonators (DMR). The light transmission and location ofresonant peaks are determined for six different sets of ring radii with different ordermode numbers. The effect of changing middle coupling coefficient on the box likeresponse is studied. It is found that the surge of coupling coefficient to the ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران 1370

مطالب مورد بحث و بررسی دراین رساله عبارت است از: مقدمه - تعاریف - م استفاده - تفسیر مشکل - مقدار نیاز - تاریخچه - رابطه اجتماعی - رابطه محیطی - فیزیک بهداشت - تجهیزات گلاوباکس - آنالیز بازار - کارکرد عملی - ساختار-آنا تجسمی - آنالیزمواد و ساخت - آنالیز مونتاژ- استانداردها- رابطه سیستماتیک - سرویس و نگهداری - ارزشیابی طرحها - چکیده واهم مطالب - ثبت اولویتها - روند طراحی - مشخصات طرح انتخابی - نق...

Abolghasem Jouyban, Farzad Towhidkhah Hamed Osuli Hossein Babaei Shahriar Gharibzadeh Somaieh Soltani Yashar Sarbaz,

     Drug design is generally achieved through trial and error methods, which is a time and resource consuming process and novel methods are needed to improve it. Mathematical modelling is one of the possible solutions to speed up this process. In this study, we have presented Box-Jenkins model, to predict the vasorelaxant activity (pEC50) of a set of benzopyrane compounds. We used t...

Ahmad Ghozatloo Ali Morad Rashidi, Mojtaba Shariaty Niassar2 Zeynab Hajjar

This paper discusses the use of Box Behnken design (BBD) approach to plan the experiments for turning the yield of CVD, thickness and layer number of graphene sheets with an overall objective of optimizing the process to provide higher graphene production volume, fewer layers and thinness structure of graphene. BBD is having the maximum efficiency for an experiment involving four factors such a...

The aim of this study was to prepare orally disintegrating tablets (ODTs) containingdexamethasone (DEX) by direct compression method with sufficient hardness and rapiddisintegration time. In order to save time, money, and human resources in designing andimprovement of formulation, the statistical software Design Expert is used. Box–Behnkenresponse surface methodology was applied to evaluate and...

Bahare Pasandide Faramarz khodaiyan, Seyed Saeid Hosseini, Zeinab Mousavi

Microwave assisted extraction technique was employed to extract pectin from citron peel. Box-Behnken design was applied to investigate the influence of irradiation time, microwave power and pH on the yield and DE of pectin. The finding indicated that the optimal conditions for the maximum yield of pectin (30.71%) were achieved at irradiation time of 3 min, microwave power of 700 W and pH of 1.5...

A thermosyphon is an efficient heat transfer device, which transports heat using gravity for the evaporation and condensation of the working fluid. In the present study the Box-Benhnken (BBD) design approach was chosen for the Two-Phase Closed Thermosyphon (TPCT) with CeO2 nanofluid using 0.1% volume of Nanofluid with surfactant of ethylene glycol. The experiment resulted in identifying the opt...

2002
Christian Haubelt Jürgen Teich Kai Richter Rolf Ernst

This paper provides a quantitative characterization of an embedded system’s capability to implement alternative behaviors. This new objective in system-level design is termed flexibility and is most notable in the field of adaptive and reconfigurable systems, where a system may change its behavior during operation. Different behaviors are also taken into consideration while implementing platfor...

2003
José Augusto Miranda Nacif Flávio Miana de Paula Harry Foster Claudionor José Nunes Coelho Antônio Otávio Fernandes

White-box verification is a technique that reduces observability problems by locating a failure during design simulation without the need to propagate the failure to the I/O pins. White-box verification in chip level designs can be implemented using assertion checkers to ensure the correct behavior of a design. With chip gate counts growing exponentially, today’s verification techniques, such a...

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