瞬态

The instantaneous availability of control system of nuclear warhead exploding is obtained by using highly efficient Monte Carlo method.

用本文设计的方法评估了该系统的可靠度和瞬态可用度。

This thesis mainly discusses numerical computation and simulation of transient periodic systems.

本文主要讨论瞬态周期系统的数值计算和模拟。

An improved method is used to describe non-linear characteristics of oil film.

本文提出了改进的模型，用模型中各参数随偏心率的非线性分布来反映油膜力的非线性特性，使该模型能够进一步用于转子系统进入涡动状态后的瞬态运动描述，并给出了利用差分解获得模型中各参数近似估计的方法。

On the base of the hydraulic impulse testing machine model, calculate the pipeline system and other hydraulic accessories' influence on the impulse press.

首先对液压脉冲试验台的压力冲击—水锤进行探讨，了解管道系统压力冲击过程中瞬态流量和压力的变化规律。

The effect of material property parameters on the transient stress and strain has been evaluated.

讨论了各材料性能参数对局部热处理过程瞬态应力和应变的影响。

Several transient compounds were synthesized by the homo- and heterogeneous reactions of reactive halogen compounds, In-situ ultraviolet photoelectron spectroscopy and photoionization mass spectroscopy as well as theoretical calculations were used to study their molecular structures, stability and molecular orbital properties, their electronic structures and geometric structures were obtained for the first time; Simultaneously, the electronic structure and thermal dissociation of acetyl peroxynitrate and trifluoroacetyl peroxynitrate which have great importance in the atmospheric chemistry were studied; The substituent effects of series of halopyridines and halothiophenes were studied by the ultraviolet photoelectron spectroscopy method for the first time. The atmospheric chemical reaction between peroxyacetyl radicals with IO radicals as well as the dissociation of the most stable isomer of CH3COIO3 were calculated by density functional theory, it was found that the CH3COOIO2 isomer may be act as a new reservoir of inorganic iodine in the stratosphere.

通过活性卤素的系列均相与非均相化学反应合成了几种瞬态物种，采用原位紫外光电子能谱和光电离质谱结合量子化学理论计算对化合物的分子结构、稳定性以及分子轨道特性进行了研究，首次获得了这些物种的电子结构和几何结构的信息；同时研究了大气中有重要作用的乙酰过氧硝酸酯和三氟乙酰过氧硝酸酯的电子结构性质及热解过程；采用紫外光电子能谱手段首次研究了系列卤代吡啶和噻吩的取代基效应；通过量子化学理论计算研究了乙酰基过氧自由基与IO自由基的大气化学反应及其最稳定异构体CH3COOIO2的解离，发现该物种可能是无机碘化合物在平流层中的储库物种。

Data structure ; object -oriented programming ; finite element method ; nonlinear ; transient electromagnetic fields

数据结构；面向对象；有限元法；非线性；瞬态电磁场

Compared with the traditional design, negative effects on the system＇s output current capability and transient response are effectively reduced.

与传统的设计相比，引入的斜坡补偿对系统带载能力、瞬态响应的负面影响有效减小，并给出了仿真结果。

The optimization design of piecewise linear slope compensation circuit improves the output current capability and transient response of the system.

该斜坡补偿电路的优化设计避免了因过补偿而带来的系统瞬态响应慢和带载能力低等不良影响。

The experiment of testing the moving oxyacetylene flame shows that this sensor can be used to measure the transient high temperature up to 2000℃.

运动乙炔焰模拟测试结果表明，高温测试范围可达2000℃，可用来对兵器及国防工业等诸多涉及燃烧和爆炸等过程的瞬态温度进行测试。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐