查询词典 transient time

Using the method of numeral computation,we explore transient behav-iors for KPAS,i.e,the degree of squeezing as a function of the initial intensity 〓at some time 〓,discovering that squeezings of k≥2 are remarkably different fromordinary squeezing mainly in the degree and scope of squeezing.

接着运用数值计算的方法，研究了KPAS的瞬时行为，即压缩程度在某一时刻τ随场的初始强度〓的变化，发现普通压缩与k≥2的压缩之间存在着显著的差别，主要体现在压缩的程度与范围两方面。

Considering the difference of time scales for thermal transients in the oil film and bushing,the transient and quasi-steady methods were put forward.

在求解过程中针对油膜和轴瓦温度场的时变性的不同，提出对它们分别进行非稳态和准稳态数值求解的方法。

Based on the resonance characteristics of the back scatt ering RCS in frequency domain and the transient waveform of the back scattered e lectric field in time domain, a reconstruction scheme for recovering the transve rse permittivity and conductivity for an anisotropic plate is proposed.

根据各向异性介质板后向散射与入射电磁波极化方向有关的特点，利用其后向RCS的谐振特性和后向散射场的时域波形特点反演有耗介质板的横向介电系数和电导率。

Numerical simulations of welding transient stress and residual stress with yield strength and thermal expansion coefficient mismatching between the weld metal and the parent metal have been carried out for the first time.

相同焊接温度场的有限元计算结果表明，焊缝与母材强度和线膨胀系数等匹配时，焊缝中心纵向残余应力σ〓与母材屈服强度σ〓和线膨胀系数α〓有关。

The adaptive setting on reclosing time is presented according to the analysis on transient energy across transmission bottleneck in the network.

通过对网络中输电瓶颈的暂态能量变化特点的讨论，提出系统在发生瞬时性故障情况下重合闸最佳时间的整定方法。

The adaptive setting on reclosing time is presented accordingto the analysis on transient energy across transmission bottleneck in the network.

通过对网络中输电瓶颈的暂态能量变化特点的讨论，提出系统在发生瞬时性故障情况下重合闸最佳时间的整定方法。

When the speed of piton changes from several positive meters per second to negative during short time , a huge transient impacting force acts on the piston. The force spreads in the piston with stress wave. Converging force will become at some sections, which can destroy the piston.

从风动冲击器的工作原理可以得知，风动冲击器的活塞在高压气流的推动下，反复冲击钻头，冲击时活塞的速度由向下的几米每秒在极短时间内反弹为向上的速度，因而对活塞产生一个极大的瞬时冲击力，该力以应力波的形式在活塞内传播，就会在活塞的某些断面产生应力集中，造成活塞的破坏。

It overcomes disadvantages of the qualitative engineering analogy and empirical method of ventilation time. It offers the theoretical basis to construction schedule simulation and construction scheme optimization.(2) The 3-D transient quasi-single phase models and a 3-D two phase flow model are proposed together with k-εequations.

采用数学模型解析的方法得到了定量的施工期通风时间参数，克服了传统分析中通风时间参数依据定性工程类比和经验确定的弊端，为施工仿真和施工方案优化提供了理论基础。

The dynamic phasor model is based on the time-varying phasor, which not only breaks the quasi-stationary assumption, but also overcomes the maximum step size constraint of regular transmission line, so it can be used to analyze the fast electromagnetic transient phenomena at a higher speed.

传统的机电暂态模型由于建立在&准稳态&假设基础之上，因此不能用来仿真变化迅速的电磁暂态过程，而电磁暂态模型，虽然能准确反映电磁暂态过程，但由于仿真步长很小，仿真速度受到限制，不适合用来仿真大型电力系统。

With a view to knowing more about how NaHSO〓 increased Pn in higher plants, we studied the effects of NaHSO〓 on the cyclic electron flow around PSI in wheat (Jing 411) and rice (Shan-you 63). It was observed that the transient increase in chlorophyll fluorescence after the termination of actinic light was increased and the half-time of re-reduction of P700〓 was shortened in both rice and wheat leaves, indicating that cyclic electron flow around PSI was accelerated by NaHSO〓 treatment.

为探究NaHSO〓促进高等植物光合作用的机理，我们研究了NaHSO〓对小麦（京411）和水稻（汕优63）围绕PSI的循环电子传递影响，实验发现低浓度NaHSO〓可促进小麦和水稻叶片的叶绿素荧光在作用光关闭后的短时上升以及缩短叶片在远红光后P700〓再还原的半时间，表明NaHSO〓可以促进小麦和水稻的围绕PSI的循环电子传递。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了