To protect the power component of electric welding machine,overtension and undertension protection are circuit designed.
为保护焊机功率
件设计了过压欠压电路。
To protect the power component of electric welding machine,overtension and undertension protection are circuit designed.
为保护焊机功率
件设计了过压欠压电路。
Contact reaction brazing(CRB) for milimetre waveguide in inert atmosphere has been investigated.
对毫米波件在惰
气体保护下
接触反应钎焊进行了研究。
B.Lax and K.J.Button, Microwave Ferrites and Ferrimagnetics,McGraw-Hill,New York,1962.
《微波铁氧体线件原理》,科学出版社,北京,1979。
These newly-designed devices will appear on the exhibition next month.
这些新设计件将在下月
展览会上展出。
A resistance macromodel for deep-submicron process epi-type substrate based on the 2D device simulation is presented.
摘要提出了一种基于二件模拟
深亚微米工艺外延型衬底
电阻宏模型。
The investigation showed that after modified PET could be used in electronic junctor, coiler framework, igniting parts.
结果表明,通过适当改
,PET材料可用来生产电子连接
、线圈骨架、点火元件等电子、电气元
件。
Finally, wirebonding technics in the retral packaging of Schottky power diodes is optimized by orthogonal experiment design.
最后用正交试验方法对肖特基
件后部封装中
压焊工艺进行了参数优化设计。
The physical properities of cantilever, in particular the spring constant has important influence on the microcomponent of MEMS.
摘要悬臂梁物理
能参数尤其是弹
系数对MEMS中微
件
能有着重要
影响。
The mechanism of incomplete energy transfer and directly carriers capture by rubrene was existed in this WOLED simultaneously.
本文对rubrene单掺杂层有机白光
件
能和发光机理进行了研究。
This document identifies the classification level of nonhermetic solid-state surface mount devices (SMDs) that are sensitive to moisture-induced stress.
本标准用于确定非气密封装表面安装
件(SMD)
湿气敏感度等级。
In cct, you can use post-route, spread wire and center wire.In allegro, you can use roue-glosss-parameter-ceneter lines between pads. 24.
请问如何有选择更改,如,我只要改一个焊盘,或者我只要改一个
件 A:padstack--replace里可以改一个盘,或一个元件,或一类
件, 25.
An innovation for prevention latchup,pseudo-latchup path method,has been put forward that is based on latchup effects of bulk-Si CMOS devices.
从体硅CMOS件
闭锁效应入手,提出了抑制闭锁
一种新方法—伪闭锁路径法。
Also, High electric field annealing of stressed PMOSFET and detrapping of trapped electrons on the gate oxide are studied deeply.
重点研究了退化PMOS件
高场退火效应和氧化层陷阱电子
退陷阱机制。
The smaller mass of the solder spheres on the micropackage, coupled with a thin package, allows quick heat transfer through the component.
由于微型封装件上
焊料球质量较小,加上封装体较薄,热量传送通过
件速度很快。
This phenomenon is called the excessive thermotaxis effect of low current.Based on these characteristics, the uniformity of the junction temperature distribution is studied.
利用这一特可以研究晶体管结温分布
不均匀
,计算结温分布
不均匀度,对半导体
件可靠
分析具有重要
意义。
Ambipolar transistors are attractive for realizing complementary-like organic integrated circuits, which operate with low power dissipation, wide noise margins and great operational stability.
目前,国际上有机双极晶体管
研究由于受到种种限制
能并不理想,很少能获得对称
良好
高
能
件。
Insulance Ohmmeter, Model ZC25, can be used to measure insulation resistance of various electrical machinery, telecommunication element, household appliances and teaching electrical equipment.
ZC25型绝缘电阻表可用于测量各种电机、电讯元件、家用电
及教学电
设备
绝缘电阻。
In the first part of this paper, three new ligands with bis(8-hydroxyquinoline) which were substituted by methoxy, butoxy and octoxy were synthesized by Witting-Horner reaction.
自从1987年C.W.Tang等人报道了以8-羟基喹啉铝(Alq3)为发光层制备高亮度电致发光
件以来,有机金属配合物发光材料及其
件加工工艺成为有机电致发光领域
一个研究热点。
The white light comes from exciplex emission at the solid-state interface between (dppy)BF and NPB in addition to the exiton emission from NPB and (dppy)BF respectively.
激基复合物发光通常波长较长且半峰宽较宽,因此利用激基复合物发光是制备有机白光电发光件
有效方法。
Based on the server-based optical network architecture, the dual fiber link and IP calking for Optical Burst Switching (OBS) are proposed to abate the restriction of optical devices.
由此提出了双光纤链路与IP插空联合光突发交换解决方案,以缓解光子
件瓶颈
限制。
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