نتایج جستجو برای: design of experiment doe

تعداد نتایج: 21240571  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده ادبیات و علوم انسانی 1392

abstract the first purpose of this study was to investigate the effect of consciousness-raising (c-r) activities on learning grammatical structures (simple present tense in this case) by iranian guidance school efl learners. the second one was to investigate the effect of gender on learning the simple present tense through c-r activities and tasks. finally, this study aimed to investigate the ...

2017

quality improvement with design of experiments quality improvement with design of experiments quality improvement with design of experiments quality quality improvement with design of experiments quality quality improvement with design of experiments a response design of experiments for process improvement and quality design of experiments for process improvement and quality quality improvement...

2007
Vanchai Laemlaksakul Sompoap Talabgaew

This research studied the appropriate factors and conditions for laminated bamboo bending by Design of Experiments (DOE). The interested factors affecting the spring back in laminates bamboo were (1) time, (2) thickness, and (3) frequency. This experiment tested the specimen by using high frequency machine and measured its spring back immediately and next 24 hours for comparing the spring back ...

Borhani, E., Boutorabi, S.M.A., Tamizifar, M., Yousefieh, M.,

In the present research, the parameters of FSW process were optimized for the mechanical properties of thin aluminum- scandium alloys by a design of experiment (DOE) technique. The optimum conditions providing the highest mechanical properties were found by this method. Among the three factors and three levels tested, it was concluded that the tool rotational speed had the most significant effe...

Journal: :Journal of advances in medicine and medical research 2022

A well-defined and strictly controlled dissolution rate plays vital role in optimization of sustained release dosage form. For this purpose, a computer optimized technique, based on response surface methodology (RSM) utilizing quadratic equation factorial design has been widely used for designing different pharmaceutical formulations, which requires smaller number experimental runs is less time...

Ahmad Amjadi Elham Dehghan Farideh Mottaghian Mehdi Bashiri

Introduction: We investigated the characteristic of a suitable irradiation on skin's tensional strength using design of experiments (DOE). The experiments in this research are designed in two phases and data envelopment analysis (DEA) is used for performance measurement of each phase. Material and Methods: Samples were provided from pleura as surface tissue made of collagen and elastin fibers. ...

Borhani, E., Boutorabi, S.M.A., Tamizifar, M., Yousefieh, M.,

In the present research, the parameters of FSW process were optimized for the mechanical properties of thin aluminum- scandium alloys by a design of experiment (DOE) technique. The optimum conditions providing the highest mechanical properties were found by this method. Among the three factors and three levels tested, it was concluded that the tool rotational speed had the most significant effe...

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