加工方法

For example, the different herbs may be processed to form extracts by different means.

例如，不同的草药可以通过不同的方法加工形成提取物。

By using hyperbolas to fit axial curves, considering the maximal error of the fitting curves as the objective function, the optimal fitting hyperb...

通过双曲线来拟合齿向曲线，使拟合曲线的最大误差为目标函数，利用优化的方法，使最大误差最小，得到最优的拟合双曲线，从而加工出所需要的齿形。

By using hyperbolas to fit axial curves, considering the maximal error of the fitting curves as the objective function, the optimal fitting hyperbola is obtained and the maximal error of fitting curves is minimal after optimization.

通过双曲线来拟合齿向曲线，使拟合曲线的最大误差为目标函数，利用优化的方法，使最大误差最小，得到最优的拟合双曲线，从而加工出所需要的齿形。

First, the two most common used methods adopted in machined surface assessment are summarized.

首先，总结归纳了机械加工表面评定中广泛采用的两类方法。

Gear grinding is extremely important because it is the main way hardened gears are machined.

磨齿是非常重要的，因为它是加工淬硬齿轮的主要方法。

In this paper,the improvement of frank screw machining of numerical control program is introduced.

介绍了一种直螺杆加工数控编程的改进方法。

The contact fatigue strength was measured after the 20CrNi2Mo and 15CrNi6 steel used asdragging gear on quasi high speed locomotive was carburized and quenched as well as peened,com-pared with that of 20CrMnMo steel.The results shown that the contact fatigue strength limits of thesethree types of steel carburized and quenched essentially same,and the contact fatigue strength Iimit hasbeen increased by 5 porcent after peening,and that the failure appoarances of all contact fatiguespecimen were delamination ...

对20CRrNi2Mo、15CrNi6及20CrMnMo渗碳淬火齿轮及15CrNi6渗碳淬火＋喷丸处理齿轮进行了弯曲疲劳试验，介绍了齿轮试件的设计与加工、试验装置与夹具、试验方法及试验数据的统计处理，试验结果表明，20CrNi2Mo和15CrNi6渗碳淬火齿轮在R＝0.99时的σFlim分别为530MPa和375MPa，与20CrMnMo渗碳淬火齿轮相比，弯曲疲劳强度分别提高80％和27％。15CrNi6经渗碳淬火＋喷丸处理齿轮在R＝0.99时的σFlim为490MPa，比未喷丸处理者提高30％。

The methods and the precesses of the silver anti-tarnishing ,such as extremely thin metal coating,anodic passivation treatment,cathodic electrophoresis,chemical passivation and self-assembled monolayer,have been evaluated.

分析了银器表面在硫化物、硫氧化物等腐蚀性气体环境中变色的机理和影响因素，讨论了银器表面处理防变色(贵金属或合金的涂层、阳极化钝化、阴极电泳、化学钝化、自组装单分子膜的防腐蚀等)的方法和加工技术，并提出了包装贮存材料处理防银器变色的新途径。

A new method which is used to promote the reaming quality with a new blade-like drilling bit is presented.

提出了一种用新刃形钻头提高扩孔加工质量的新方法，并分析了其中的机理。

The public methods all access the table, rather than do reprocessing.

所有的公共方法访问该表，而不是做再加工。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。