球中值

Finite element analyses are conducted for combination of process parameters designed using statistical three-level full factorial experimental design.

在探球最优值的过程中，也对有限元软件MoldFlow的优点，试验统计设计，人工神经元网络基因算法等进行了探索。

The tribological behaviors of the synthetic benzotriazole derivatives as additives in liquid paraffin were evaluated with a four-ball machine.

利用四球试验机考察了其在液体石蜡中的最大无卡咬负荷值。

It is convenient in hemispherical surface and spherical interior or exterior surface machining.

使用时只需在主程序中对相关变量赋值调用宏程序即可完成所需半径的半球面、球缺面及球台面的零件加工。

Two basic theorems are given by researching Hamilton's two steps linear differential equations of bender equations which provide widespread application methods of normal differential operator correspond to ladder operators,then the solutions of general equations are obtained by taking advantage of the two above theorems: The energy eigenvalue equation of one-dimensional oscillator; the common state of ; the radial equation of a bondage state of hydrogen atom; the radial equation isotropic three-dimensional harmonic oscillator; the infinity deep potential well of ball

本文通过研究束缚态本征方程里的哈密顿算符的二阶线性常微分形式，给出两个基本定理并证明，提供构造二阶线性常微分算符相应的阶梯算符的普遍实用的方法，然后利用这两个定理构造量子力学中常见力学量的阶梯算符，并用以计算其能量本征值和对应本征函数：一维谐振子的能量本征方程；共同本征态；氢原子束缚态径向方程；三维各向同性谐振子的径向方程；无限深球势阱。

It is found that many factors in gelling, removing template and rebinding process such as pH values and ionic concentration etc. make an important influence on the parameters such as rebinding capacity and imprinting efficiency etc. of protein-imprinted hybrid microspheres.

研究还表明，凝胶化、洗脱和重结合过程中的诸多因素如pH值和离子强度等对蛋白质大分子印迹杂化聚合物微球的分子印迹特异重结合性参数如重结合容量和印迹效率等产生重要影响。

Dirt in the tube, rubber gasbag, tubing aging are the main problems.

在维修过程中，又以示值管内壁有污物，气囊、橡胶球、橡胶管老化最多。

A look-up table containing data of tracked values for certain positions in the working space, spe-cified in spherical coordinates, is generated first, which is then used to calibrate the tracking results by a two-dimensional interpolation.

首先建立一个球坐标系下被跟踪对象的测量位置和实际位置的对照表，然后以二维插值的方式利用此对照表中的数据对测量数据进行校正。

In Chapter 4,we prove the existence of global weak solutions to the compressible NSP equations with density-dependent viscosity coefficients when the initial data are large and spherically symmetric by constructing suitable aproximate solutions.

在第四章里，对于粘性系数依赖于密度的等熵可压缩NSP方程，在R~3中包含球心的球状区域内，我们得到了大始值的，球对称弱解的整体存在性。

Quantitative analysis of protein adsorption: The PS suspension containing lysozyme was subjected to ultracentrifuge (15 000 r/min) to collect clear aqueous solution. The lysozyme concentration in the clear solution was measured by spectrophotometry at 280 nm. The amount of protein adsorbed on PS surface was calculated based on the decrease in the protein concentration in the supernatant solution.

蛋白吸附定量分析：采用高速离心(15 000 r/min)法从含溶菌酶蛋白的聚苯乙烯悬浮液中分离出上清液，用紫外(280 nm)分光光度法测定经聚苯乙烯微球表面吸附后，液相蛋白质量浓度的下降值，由此推算蛋白在聚苯乙烯表面的吸附量。

For the profound hearing loss ears with absent ASNR, about two thirds were considered as saccular afunction because of absent VEMP.

在非ASNR组中，三分之二没有引出VEMP，而另外三分之一虽然可以诱发出VEMP，但阈值明显较正常对照组高（P〈0.01），分别提示球囊功能丧失或低下。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。