变化系数

With a ferromagnetic flow added with an additive as lubricant, the variation of friction coefficient between GCr15 (SAE 52100) steel frictional pair in a pin on disk tribometer under boundary lubrication in the presence of applied electric field was investigated.

以一种铁磁流体和添加剂为润滑介质，研究了GCr15 钢销－盘摩擦副在边界润滑状态下受外加电场作用后摩擦系数的变化情况，并对试验结果和电场作用机理进行分析。

The correlations among the parameters suggested that larger trophozoite had its shape closer to round but the shape of nucleus changed little.

参数间的相关系数显示，随着滋养体增大，虫体的形态变圆，而核的形态变化不大。

By simulating the flows over a series of submarine models, which are created by our mathematical method through changing the parameters of hull form, the viscous resistances of these submarine models can be predicted, so"submarine viscous resistance numerical test tank"can be founded.

运用我们提出的实用艇型自动生成程序，变化相关的艇型参数，建立系列艇型，通过数值计算，得到这些艇型的水下阻力系数，初步建立了"潜艇水下阻力数值试验水池"。

In this paper, the target radiate characteristics and waveband selection of the infrared ...

并指出：在靶场环境下影响经纬仪红外分系统主镜面形精度的主要原因是温度的变化，这种情况可通过选择低线膨胀系数的材料并且使镜座和反射镜采用相同的材料予以解决。

The coefficient of earth pressure changes accordantly with the value of the earth pressure.

土压力系数与土压力数值大小的变化规律相一致。

The design of heater is important too. Based on the theory of the pyroelectric current method, the sample temperature variety must be symmetrical. Heater is designed with ampullaceous hearth.

加热炉炉体的设计也很关键，针对基于热释电电流法测量热释电系数时对样品温度变化的要求，设计了一款瓶状腔体式加热炉。

The major research includes the following three points. First, using finite element method, the influence factors on propagation properties for PMF couplers are analyzed, including the shape of coupler cross-section, the taper of coupler bipyramidal and the angle deviation of the birefringent axes.

基于热-结构-电磁多物理场耦合有限元方法，分析了保偏光纤耦合器的传输特性和耦合系数在熔锥区的变化规律，从而求解耦合模方程，得到偏振光经过耦合器后的光功率分布，继而对保偏光纤耦合器的性能参数分光比、消光比及附加损耗进行理论分析。

Before coming to the university students' cardiopneumatic function and endurance index is below the standard which is improved on campus, and falling again in the last two year.

入学前心肺功能和耐力系数较差，入学后虽然有所改善，有向好的方面变化的趋势，但是，后两年特别是毕业前有进一步变差的倾向。

The results show that there are many differences in the static characteristics of the rotor in large gap annular flow and that in bearings and seals, and the wall friction coefficient changes circumferentially. The results also show that the wall roughness and the eccentricity ratio have considerable effects on the static characteristics in large gap annular flow.

实例计算结果表明：大间隙环流中转子与以灿承和密封为代表的小间隙环流中转子的静特性有很大同；壁面摩擦系数沿周向变化，同时转子和静子壁面粗糙度以及偏心率对大间隙环流中转子静特性有较大的影响。

IR, UV-Vis, 1H NMR The IR, UV-Vis and 1H NMR of selenadiazoles were investigated. Their IR peaks were classified as the corresponding groups or bonds; The relation of their structure with the conjugative effects, absorbtion wavelength and molar absorb coefficients were discussed with the UV-Vis. The value of selenadiazoles in analytical chemistry and the varieties of structure with the pH were discussed.

IR，UV-Vis，~1H NMR 对硒二唑类化合物的IR吸收峰进行了归类与指认，讨论了SPO、SPDO的异构体的分子结构；探讨了UV-Vis、吸收波长和摩尔吸光系数与分子结构的相对应关系，以及紫外吸收光谱性质在分析化学上的应用价值和溶液的pH值引起SPO、SPDO的结构变化。

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。