变化系数

The jet formation of nitromethane is taken shadowgraphy first, and effective discharge coefficient with a nozzle diameter of 2. 5mm is presented.

以再生式液体发射药火炮为工程背景，我们首次拍摄了硝基甲烷射流喷射瞬态变化过程，并实验测定了硝基甲烷从直径2.5mm直喷嘴喷射时的流量系数。

Test results indicate that the propagationvelocity of the elastic wave,shear modulus and coefficient of subgrade ...

实验结果表明：匀质土中弹性波的传播速度、剪切模量、地基抗压刚度系数均随土层深度增加而增大；不同性质的土层，其变化规律亦异。

In view of the questions in theoretic analysis and numerical simulation with the finite element method,the separation criterion of chips, the surface contact, the setting of friction coefficient,and the thermal stress coupling are researched. A simulation example is presented by applying the finite element analysis software-ANSYS,and the change of stress and strain in metal cutting process, the forming of shear plane and the influence of the temperature field on metal cutting are analyzed. The tool's strength is also analyzed.

基于理论分析和实际有限元数值模拟计算中遇到的问题，研究、讨论了切屑分离标准、表面接触、摩擦系数的设定、切屑与工件之间的连接以及热应力耦合分析等各项技术，并应用大型有限元分析软件ANSYS，具体分析了金属切削过程中应力和应变的变化、剪切面的形成以及温度场对金属切削的影响，并依此对刀具作强度分析，得到若干结论。

Selection of shunt coefficient during design and measures to be taken in engineering practice are presented at last.

在实际工程应用中，分流系数随系统运行方式和变电站接地电阻的不同而变化很大

For example, it is stall need to study the thermal equation-of-state, to find a proper methodology for calculating self-diffusivity, to propose a better potential model for mullite and sillimanite, to calculate mechanical properties at high temperature, and to analyze the structural transformation at high temperature.

本研究所建立的研究方法与流程适合应用在陶瓷材料的模拟与分析，而我们已经探讨了莫来石的缺陷对晶体结构、晶格常数、热膨胀、体模数、缺陷能、氧扩散的影响，接下来可以朝向以下几点深入研究，包含研究热状态方程式、找出最适当的方法来计算扩散系数、提出更好的分子势能模型、研究莫来石在高温下的相变化与力学性质。

On the ground of simple compression test, a damage equation which reflect structural strength change with pressure is carried out. And it discriminated from the strain types of common soft soil and structural soft soil.

通过分析计算，明确了先期固结压力和结构强度的概念；提出了结构稳定系数，较为准确地判断出土的结构强度的影响程度，为工程设计提供参考；④基于单向压缩试验，提出了结构强度随压力变化的损伤方程；区分了一般性软土与有结构强度的土的压密类型。

A particularly attractive aspect of the Edwards and Susmel (2000) analysis is that it directly addresses the point made by Forbes and Rigobon (1999), regarding that the simple correlation coefficient between two markets may change significantly due to an unexpected increased in volatility in an originator country.

他们的分析特别吸引力的一个方面是说明了Forbes and Rigobon（1999）提出的观点：由于危机起源国的波动意想不到的增加，两个市场简单的未经调整的相关系数可能发生重大变化。

The decline of radiation, wind speed, saturation deficit and temperature daily range are major reason for evaporations decreased tendency though analyzing the change tendency of other meteorological elements and simple correlation coefficient.

通过对各个气象因子的变化趋势及相关系数分析表明，引起蒸发皿蒸发量下降的主要因子为辐射、气温日较差，风速，湿度因子影响最小。

The decline of radiation, wind speed, saturation deficit and temperature daily range are major reason for evaporation's decreased tendency though analyzing the change tendency of other meteorological elements and simple correlation coefficient.

通过对各个气象因子的变化趋势及相关系数分析表明，引起蒸发皿蒸发量下降的主要因子为辐射、气温日较差，风速，湿度因子影响最小。

In order to probe the absorb coefficients of earth medium by the direct wave, reflected wave and transmied wave amplititude which are picked up from the radar wave racords yielded by finite element method,the paper gives out the attenuated radar wave equations in time domain and the attenuated radar wave differential equations while the motion changes simple harmonic with time and electric parametets change slowly with space.

摘 要 为了用有限元方法生成雷波正演记录，从而拾取直达波、反射波、透射波振幅信息，以确定介质吸收系数，文章在时间域给出了雷达波含衰减项的波动方程，及在运动随时间简谐变化以及电性参数随空间缓变的条件含衰减项的雷达波遵循的简化微分方程。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。