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The matrix composites for diamond tools were tested with such modern testing instruments and equipments as DTA-7 differential thermal analyzer, JCXA-733 electronic probe and scanning electron microscope, JEM 2000 FX Ⅱ transmission electron microscope, eXL energy spectrometer, and humidity test instrument. The analysis, comparison, and induction of the testing results prove the enhancing effects of the rare earth on the matrix composites: degeneration, micro-alloying, purification, and catalytic activation. The comprehensive function of these effects leads to the decrease in the porosity of the matrix composites and to the increase in such actual indexes as the flexural strength, hardness, and impact ductility of the whole rare earth Fe-based diamond tool materials.

由DTA-7型差热分析仪、JCXA-733型电子探针及扫描电镜、JEM2000FXⅡ型透射电镜、eXL能谱仪以及莱茨2AP高温显微镜材料润湿性测试仪等现代测试仪器设备对金刚石工具材料进行了测试实验，对测试实验的结果进行了分析、比较和归纳，证实了稀土对胎体材料具有变性、微合金化、纯化和催化活化等四大强化作用机理，这些机理的综合作用导致了胎体材料孔隙率的降低和整个稀土Fe基金刚石工具材料抗弯强度、硬度及冲击韧性等实际使用性能的上升。

Besides X|ray,B|us and CT should be main preoperative diagnostic methods. Body posture during induction anesthesia and operation and surgical styles can improve surgical safety,additionally dilatant pneumoedema should be prevented and treated.

胸部X线，B超及CT检查应作为巨大实质性纵隔肿瘤常规检查手段；麻醉时体位及手术方式合理选择可提高手术安全性，并注意防治复张性肺水肿。

The synergistic antioxidant effect of βC with VE was easily measured by monitoring the induction period in the presence of these two antioxidants using the dilatometer method.

UV和HPLC分析抗氧化过程中βC和VE浓度的衰减发现，当VE存在时，βC的消耗比其单独作用时慢了近一个数量级。

As the central metal transfers chiral induction of the diol to the reaction site, it wascalled "chirality transferring center".

中心金属在其中发挥了传递手性诱导信息的作用，实现了利用金属试剂为"手性转移中心"的初始构想。

This controller, which is independent of a mathematical model of an induction motor, can accomplish the discrete point-to-point regulation, which is direct and simple to limit the current error within a given tolerance.

这种负载均衡直接控制器不依赖于异步电动机的数学模型，控制效果不受异步电动机的参数影响，它的控制既直接又简化。

A simulation method of direct torque control system of induction motor is presented, based on MATLAB.

介绍了一种基于MATLAB的异步电动机直接转矩控制系统的仿真方法。

In this beamline, with the neutron depolarization technique, provides information of the mean domain size, the mean square direction cosine of the magnetic induction in the domains, and the mean magnetization of a magnetic sample.

三维去极化中子仪主要为观察极化中子通过磁性材过程，受到内部磁区的扰动使得极化中子向的方向和大小改变，进分析后可以观察出材内部平均磁区大小、平均感应磁场强、磁区平均方向余弦的平方。

OBJECTIVE: To study the effect of Xiangdan injection and growth factors on directional differentiation of UCB-MSCs into neural cells, and to compare with the effect of simple growth factor induction.

目的：拟采用传统中药香丹注射液联合生长因子诱导脐血间充质干细胞向神经细胞方向分化，并且与单纯生长因子的诱导作用进行比较。

BACKGROUND: Effective proliferation in vitro of neural stem cells and directional induction and differentiation of dopaminergic neurons play a key role in neural stem cell transplantation for treatment of degeneration of the nervous system and repair of injured nervous system.

背景：在神经干细胞移植治疗神经系统退行性变及修复神经系统功能损伤过程中，有效的神经干细胞体外增殖与多巴胺能神经元的定向诱导分化尤为关键。

With induction of precision order, the growth of Dirichlet series of rearrangement of the coefficients is investigated.

研究了狄里克莱级数引入精确级后系数经过重排的增长性，得到了有限级狄里克莱级数的系数经过重排后级和型保持不变的充要条件。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。