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تعداد نتایج: 16909606 فیلتر نتایج به سال:
Empirical studies of static and dynamic diagrams have traditionally collected outcome data indicating the effectiveness of these depictions with respect to comprehension and learning. Because outcome measures alone provide limited insights as to why diagrams are or are not effective, there has been growing interest in studying how people process these depictions. In some cases, the aim of this ...
flow in natural river bends is a complex and turbulent phenomenon which affects the scour and sedimentations and causes an irregular bed topography on the bed. for the reason, the flow hydralics and the parameters which affect the flow to be studied and understand. in this study the effect of bed and wall roughness using the software fluent discussed in a sharp 90-degree flume bend with 40.3cm ...
a novel silver (ag) nanocomposite electrode was proposed that fabricated from metal nanostructures and ionic liquids. the combined application of unique properties of nanomaterials and ionic liquids in the design of this ag nanocomposite results in electrodes with interesting advantages compared to the conventional metal disk electrode. in the first part of this thesis, the elecrocatalytic eff...
applications such as high definition viedeo reproduction, portable computers, wireless, and multimedia demand, and ever-increasing need for ligh-frequency high-resolution and low-power analog-to-digital converters. flash, two-step flash, and pipeline convertors are fast but consume large amount of power and require large area. to overcome these problems, successive approximation converter blo...
Monday December 7 08:00-09:00 Registration (3rd Floor Grand Ballroom, GRAND GONGDA JIANGUO HOTEL of Beijing University of Technology) 09:00-09:15 Open remarks 09:15-10:05 Keynote 1 Robert Deng (Singapore Management University) 10:05-10:55 Keynote 2 Wenchang Shi (Renmin University) 10:55-11:15 Tea & Coffee Break 11:15-12:05 Keynote 3 Rob Spiger (Microsoft) 12:05-13:30 Lunch 13:30-15:00 Session 1...
Article Info: Received: 17/09/2014 Revised on : 25/09/2014 Accepted on: 28/09/2014 ABSTRACT A simple, accurate and stability-indicating reversed phase high performance liquid chromatographic method was developed and validated for the determination of Zolmitriptan and using a Altima C18 (150 x 4.6 mm), 5μm column using a mobile phase of phosphate buffer pH 2.5 and acetonitrile in the proportion ...
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