نتایج جستجو برای: design of experiment doe
تعداد نتایج: 21240571 فیلتر نتایج به سال:
recent years have witnessed an increased attention to form focused instruction and consciousness raising activities (ellis, 2002; doughty & williams, 1998) on the one hand and extensive and meaningful exposure to the target language (klapper & rees, 2003; day & bamford, 1998) on the other. due to significance attributed to above mentioned issues by scholars, this study attempted to bridge them ...
the present study sought to investigate the impact of using mind-mapping technique instruction on female elementary efl learners reading comprehension; it also investigated their attitudes towards using mind-mapping technique as a tool to improve their reading comprehension. this study followed a quasi-experimental design with two intact groups as experimental, and control groups. the participa...
abstractof two mcall programs introducing 100 vocabulary items through two im the researcher of the present study was intrigued to compare the effects age modalities (pictures and streaming video) with those of a conventional method (teacher instruction) in an efl context. she set out to investigate whether such multimedia environments could provide a more effective environment for vocabulary...
Most real world engineering design optimisation approaches reported in the literature aim to find the best set of solutions using computationally expensive quantitative (Q) models without considering the related qualitative (Q) effect of the design problem simultaneously. Although the Q models provide various detailed information about the design problem, unfortunately, these approaches can res...
This review presents a thorough survey of academic work on the chassis design by FEA and application of design of experiment method in it. It surveys most literature published in English language. The review aims to provide insight into the truck chassis design and act as a guide for researchers working on both FEA and DOE method for chassis design. The main objective of the design is to obtain...
Organic thermoelectrics offer the potential to deliver flexible, low-cost devices that can directly convert heat electricity. Previous studies have reported high conductivity and thermoelectric power factor in conjugated polymer poly[2,5-bis(3-tetradecylthiophen-2-yl)thieno[3,2-b]thiophene] (PBTTT). Here, we investigate properties of PBTTT films which chains were aligned uniaxially by mechanica...
HEPA filters serve as important safety device to protect personnel as well as the public and environment from the radiation effects exist in the air, so they are vital devices in the event accidents. DOE provides directions through the use of two technical standards, 3020 and 3025, including QA requirements for the procurement, packaging, shipping and storage of HEPA filters and also provides d...
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