性能

The simulation shows that with short CF the new parameters performance excels the parameters of CATT and with long CP the performance of these two parameters are almost equal.

仿真表明，新参数在短CP时性能优于CATT的参数，而在使用长CP时，2组参数的性能几乎是一致的。

Nowadays, many people have already put their eyes on how to buildup and evolve the third generation of the mobile communication system. LTE systems not only requires enhancing performance, but also have to take other important aspects into consideration, such as coexistence on adjacent channels with existing 3G systems. Now the frame structure parameters to buildup and evolve TD SCDMA system, which is presented by CATT, receive much attention.

第三代移动通信系统性能的增强和长期演进已成为目前的研究执点，这种长期演进系统不仅要求性能上的增强，而且还必须考虑与已有3G系统共存的问题，CATT等公司共同提出的对T-SCDMA系统演进的帧结构参数备受人们关注。

The mathematical models in the condition of parameter variations are not only used to analyze the effects of parameters on system performance, but also play the important role in improving the celerity and veracity of identification algorithms.

在实时控制中，参数在线辨识算法的复杂程度直接影响系统控制的实时性和动态性能，而参数变化情况下系统的数学模型，不仅能够用于分析参数变化对系统性能的影响，而且对提高辨识算法的快速性和准确性有重要的作用。

Proton Exchange Membrane Fuel Cell Bipolar Plate is the major part of Proton Exchange Membrane Fuel Cell, and the capability of bond decides the bipolar plate's one.

质子交换膜燃料电池双极板是质子交换膜燃料电池的关键部件，粘合剂的性能决定了双极板的性能。

There were three kinds of cellulase which were used to modify the cotton pulp .

本实验初步探讨了3种纤维素酶对棉浆改性后打浆性能及成纸强度性能的影响。

Because the traditional resolver cellulose nitrate lustre-coating agent it does not bear the aging, the resistance to cold to be bad, shortcomings and so on hygienic performance difference receive the impact, but emulsion cellulose nitrate lustre-coating agent, although the comparison environmental protection and the hygienic performance are high, but because became the membrane glossiness to be bad and the emulsion long-term laying aside does not stabilize has limited its application.

传统的溶剂型硝化纤维光亮剂因其不耐老化、耐寒性差、卫生性能差等缺点而收到冲击，而乳液型硝化纤维光亮剂虽然比较环保且卫生性能较高，但因成膜光泽性较差和乳液长期放置不稳定而限制了其应用。

Next, the change of chip breaking performance of indexable inserts of PVD-coated, CVD-coated carbides and ceramal at obviously increasing of cutting speed, and each of cutting and chip breaker parameters effecting on chip breaking performance of commonly used indexable inserts have been studied experimentally.

首先提出了接触图形法和切屑折断性模糊估计等新的研究方法，然后对几种易于折断的切屑形状及断屑槽型进行了分析和概括，并对切削速度明显提高以后涂层及金属陶瓷刀片断屑性能的变化、各切削参数对常用可转位刀片断屑性能的影响进行了试验研究。

This paper expounds the oxyacetylene flare overlaying welding technology of tungsten carbide rod made to be metal matrix carbide ceramal compound overlaying welding layers.

介绍碳化钨条氧乙炔火焰堆焊制备金属基碳化物陶瓷复合耐磨堆焊层的工艺方法，结合碳化钨条氧乙炔火焰堆焊工艺过程、堆焊层性能特点、泥沙磨损实验结果及显微组织形貌，分析讨论了热源性质对堆焊层性能的影响以及复合耐磨堆焊层的抗泥沙磨损特性。

EXPERIMENTAL STUDY ON THE INFLUENCE OF PROCESSING ON THE MECHANICAL PROPERTIES OF ENGINEERING CERAMICS Fan Ning Ai Xing Deng Jianxing Wang Yixing (Shandong University of Technology) Abrstract The mechanical properties of engineering ceramic are impacted by itself and its surface status.

加工方法对工程陶瓷力的影响摘要工程陶瓷的力学性能受材料本体和表面状况的共同影响。加工方法对材料的表面状况有较大的影响，因此，陶瓷材料的力学性能也受加工方法的影响深圳陶瓷加工工业陶瓷加工

With the development of functional materials, great interest has been focused on the synthesis and characterization of specific fine/mesoporous ceria powder.

随着功能材料的不断发展，各种特殊物理性能的氧化钵粉体的合成和性能表征研究十分活跃

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。