نتایج جستجو برای: high performance polymer

تعداد نتایج: 2927140  

2011
Kafil M. Razeeb Eric Dalton

Packaging of semiconductor electronic device is a challenge due to the progressive increase in the power level of operating devices which is associated with the increasing device performance. As semiconductor device feature sizes continue to be reduced, ensuring reliable operation has become a growing challenge. The effective transfer of heat from an integrated circuit (IC) and its heat spreade...

2015
Ye Zhou Su-Ting Han Yan Yan Li Zhou Long-Biao Huang Jiaqing Zhuang Prashant Sonar V. A. L. Roy

Flexible memory cell array based on high mobility donor-acceptor diketopyrrolopyrrole polymer has been demonstrated. The memory cell exhibits low read voltage, high cell-to-cell uniformity and good mechanical flexibility, and has reliable retention and endurance memory performance. The electrical properties of the memory devices are systematically investigated and modeled. Our results suggest t...

Journal: :Chemical communications 2015
Subhajit Bhunia Rostam Ali Molla Vandana Kumari Sk Manirul Islam Asim Bhaumik

We have designed a unique strategy to obtain a zinc-salen functionalized porous polymer (Zn@SBMMP) with high zinc content (15.3 wt%) by an easy one-step, cost effective and scalable process, which shows unprecedented catalytic efficiency in the CO2 fixation reaction via cycloaddition of CO2 with epoxides. We hypothesize that a high density of Zn-Schiff base/salen units present in the porous pol...

ژورنال: طلوع بهداشت یزد 2016
ابراهیمی, افشین, اسماعیلی, حمزه, جعفری, نگار, پورزمانی, حمیدرضا,

Abstract Introduction: Water turbidity is caused by some particles, organic compounds and microorganisms. This study aimed to evaluate the performance of magnetic nanoparticles coated with chitosan as a cationic polymer in turbidity removal from aqueous solution. Methods: In this empirical study, the chemical co-precipitation technique was used to synthesize the magnetic nanoparticles coa...

Journal: :international journal of automotive engineering 0
esfahanian mahmoodian amiri masih tehrani nehzati hejabi

in the present study, a model of a large lithium polymer (li-po) battery for use in the simulation of hybrid electric vehicles (hevs) is developed. to attain this goal, an equivalent circuit (ec) consisting of a series resistor and two rc parallel networks is considered. the accuracy and the response time of the model for use in an hev simulator are studied. the battery parameters identificatio...

2013
Yang Lei Shurong Li Xiaodong Zhang Qiang Zhang

Polymer flooding is one of the most important enhanced oil recovery (EOR) technologies for high temperature and high salinity reservoir. In this paper, an optimal control model of distributed parameter systems (DPS) for polymer injection strategies is established, which involves the performance index as maximum of the profit, the governing equations as the fluid flow equations of polymer floodi...

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