使降低

The paper introduces that under special technology condition, Nona material infiltrates through matrixes of machinery parts to refine crystal grains, increase matrix tenacity , strength and hardness, reduce friction factors and high performance and long lifetime machinery parts are manufactured.

本文介绍在特定的工艺条件下，将纳米材料渗入到机械零件的基体中，使基体材料晶粒细化，韧性增加，强度增加，硬度增加，磨擦因数降低，从而制造出了高性能长寿命的机械零件。

Comparing with the other two existing algorithms, this algorithm solves the problem of noneffective to low SNR values and raises the estimation performance obviously

与现有的另外两种算法相比，不但解决了对低信噪比值无法估计的状况，使估计性能有了明显的提高，而且运算复杂度也可根据需要降低到可以接受的程度。

Compared with the normal coordinates calculation way, our method was easy and fast.(6) According to the above methods, programs were carried out to simulate.

用圆弧和直线拟合织物的二维悬垂曲线，使弧长等分的座标算法相对于一般的弧长等分的座标算法极大地降低了计算的复杂性，从而极大地提高了计算速度。

The results showed the crystallinity of the modified PET decreased with the increase of the content of NPG, but the heat shrinkability was improved obviously. Amorphous polyester material that woul...

结果表明，通过NPG共聚改性的PET的结晶能力随NPG用量的增加而降低，热收缩能力有了明显的提高；无定型区增大，获得了在通常情况下不能结晶的PET无定型材料，从而使改性PET薄膜在拉伸时保持较高的取向度，并在高于其Tg时发生解取向热收缩；拉伸温度、拉伸倍数等拉伸工艺对于聚酯薄膜的热收缩率有着显著的影响。

The results showed the crystallinity of the modified PET decreased with the increase of the content of NPG, but the heat shrinkability was improved obviously. Amorphous polyester material that would not crystallize under usual circumstances was obtained, which made the modified PET film to be able to achieve a high degree of orientation during stretching, and it was heat shrinkable when the ambient temperature was higher than its T the effects of different drawing temperature and DR on heat shrinkage of copolyester film was discussed.

结果表明，通过NPG共聚改性的PET的结晶能力随NPG用量的增加而降低，热收缩能力有了明显的提高；无定型区增大，获得了在通常情况下不能结晶的PET无定型材料，从而使改性PET薄膜在拉伸时保持较高的取向度，并在高于其T时发生解取向热收缩；拉伸温度、拉伸倍数等拉伸工艺对于聚酯薄膜的热收缩率有着显著的影响。

Series of numerical examples are tested and the results are compared with that of some other algorithms.

在最小生成树的基础上，将超过度约束的顶点降低度数使之满足度约束条件。

She turned to me, and her voice, dropping an octave lower, filled the room with thrilling scorn

她转身向着我，她的声音降低了一个音节，使整个屋子充满了难堪的轻蔑。

The drainage system is one of the most power expenditure systems in the produce of the coal mine. If the drainage system is controlled effectively, and it becomes a high-performance, low-power dissipation, oecumenical, reliable system, it will economize the cost of the produce of the coal mine effectively.

排水系统是煤矿生产的耗电大户，如果有效地控制排水系统，使其高效低耗、经济可靠地运行，也是降低煤炭生产成本的有效途径。

The original of these enterprises are all imported equipment, the use of No. 0 diesel oil, after we switch to introduce fuel oil No. 5,-15, in the original basis of lower costs, production equipment so that it never there were any problems.

原先这些企业都是进口设备，使用0号柴油，经过我们介绍改用5号-15号燃料油后，在原有的基础上降低成本，从未使其生产设备出现过任何问题。

This dissertation is centered on how to decrease the switch power to the same level of signal power.

因此我们的研究围绕着如何降低全光开关的开关功率使之达到与信号功率同数量级而展开。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。