查询词典 reversible

A method is introduced that reversible rectification can be realized with single-phase half-bridge circuit in this paper.

文中介绍了采用单相半桥电路实现可逆整流的方法。

Keywords power factor correction; reversible converter; variable structure control with sliding mode; space vector; digital signal processor

要害词 功率因数校正；可逆变流器；滑模变结构控制；空间矢量；数字信号处理器

Keywords power factor correction; reversible converter; variable structure control with sliding mode; space vector; digital signal processor 学友吧$m F6'5w-PI?

X\；U k'y1关键词功率因数校正；可逆变流器；滑模变结构控制；空间矢量；数字信号处理器

It is suitable for the exchange of 50 or 60Hz, rated voltage to 660V and below, rated operating current to 95A and below the circuit for long-distance direct control of three-phase squirrel cage motor start, stop and reversible operation.

它适用于交流50或 60Hz，额定工作电压至660V及以下、额定工作电流至95A及以下的电路中，供远距离直接控制三相鼠笼型电动机之起动、停止及可逆运转。

A reversible Markov process as a chemical polymerization model where a gelation transition exists is presented. The stationary distribution, partition function and expression of covariance of this model are obtained.

以存在凝胶化现象的高分子反应模型为背景，定义了高分子反应所对应的可逆Markov过程，给出了过程的稳定分布及配分函数，推导出了分子间协方差的表达式。

Reversible and irreversible thermodynamics, kinetics, quantum mechanics, and statistical thermodynamics are the roots of the described thermal analysis.

可逆和不可逆热力学，动力学，量子力学，热力学和统计所描述的是热分析的根源。

The presence of reversible RWMA is able to stratify patients with severe angiographic stenosis of 75% or more from those less than 75% with a high positive predictive value.

在明显冠心病的诊断中，与ETT相比，非门控心肌显像具有更好的诊断价值，门控心肌显像比非门控心肌显像的诊断价值更好，其中尤以诊断特异性的提高更为明显。

Methods: 2 hours of reversible focal ischemia in rats were produced by improved the method of Connolly' suture occlusion of MCA and the expression of SAMDC-mRNA in the cortex and subcortex was measured by RT-PCR after 2,4,8 and 24h reperfusion following 2h ischemia respectively.

在Connolly线栓法的基础上进行改良，复制大鼠MCA区2h脑缺血-再灌流2，4，8，24h动物模型，用逆转录多聚酶链反应测定缺血区皮质和皮质下组织不同时相SAMDC-mRNA的表达。

Reversible, not time-dependent and not significantly affected by the presence of sulfhydryl reagents.

可逆、非时间依赖抑制p56lck，在巯基试剂存在的情况下没有显著影

In order to reduce the welding deformations, the technology is optimized as follows: the reversible deformation values should be initialized, continuous welding is adopted at ribbed plate as welding sequence and the main weld is symmetric back space wandering welding, and the values of welding current and voltage should be defined according to the procedure qualification.

为了减少焊接变形，优化的工艺为：预置反变形；焊接顺序采用筋板连续焊，主焊缝从中间往两边对称退位跳焊；焊接电流和电压取焊接工艺评定规定的值。

In this new architectural plan the Garden of Golgotha came to be at the centre of the new city.

Aelia 是高举他自己，并在此城内朝拜罗马诸神。

The continuous nature of peat accumulation means that terrestrial coaly rocks may provide a higher resolution and more complete record of base-level change than the time-equivalent shallow-marine strata, thus enabling the identification of highfrequency cycles that are not recorded in themarine strata.

泥炭积累的持续性质的手段，陆地coaly岩石可提供较高的分辨率和更完整的记录基准面变化的影响时，相当于浅海阶层，从而使确定的高频周期，不记录在themarine 阶层。