查询词典 performance

In this thesis the preparation of doped composite semiconductor photocatalyst as well as its photocatalytic performance for hydrogen production was searched. The reseach works is composed of two parts: The first part was the study on the preparation of CdS-SiO_2 and its photocatalytic performance.

本文研究了复合掺杂半导体可见光催化剂的制备及其光催化制氢性能，主要分为两个部分：一、复合半导体催化剂CdS-SiO_2的制备及其光催化性能研究。

The system inherits the advantages of the combustion control systems of single and double cross amplitude limits, having overcome the disadvantages. It not only guarantees the system response performance of change in load, but also takes into account the economic performance of the system.

该系统继承了单交叉限幅燃烧控制系统和双交叉限幅燃烧控制系统的优点，克服了不足，在保证系统变负荷响应性能的同时，还兼顾了系统的经济性能。

In market the selection of tolerance and cooperation of some certain types Dray is not very consistent with the accuracy, performance and Life requirements of product. Therefore, improvements is made specially in these parts of this design , To achieve Convenient Processing and meet the Requirements of accuracy and performance、Life and Reduce costs .

市面上某些同类型的曳引机产品的公差与配合的选用不是太符合保证产品精度、性能和使用寿命等要求，为此，本设计特别在这些地方做了改进，以达到方便加工，满足精度、性能，使用寿命以及降低成本等要求。

The driving axle takes automobile one of four big units, its performance quality immediate influence complete bikes performance, but appears regarding the truck especially important.

驱动桥作为汽车四大总成之一，它的性能的好坏直接影响整车性能，而对于载重汽车显得尤为重要。

Current dual control is designed base on dynamic and static performances. The typical I model is used to design inner current controller in order to obtain quickly following performance. The typical II model is used to design outer current controller in order to obtain high resistive performance.

分析设计充放电装置的电流双闭环控制：对电流内环采用典型Ⅰ型系统设计电流控制器，以获得较快的电流跟随性；而对电流外环控制则采用典型的Ⅱ型系统设计电流控制器，以提高装置的抗扰动性，实现阶段的恒流充放电。

To enhance dulcimer performance art results in the pursuit of the identity of music performance and music inner ear training capacity has become a symbol of dulcimer playing.

为了提高扬琴演奏的艺术效果，追求内在的对音乐本体的表现和培养音乐内心听觉能力已成为扬琴演奏的一种标志。

Duralumin gasreducer:single stage type diaphragm pressure-reducing structure and Thicken rubber diaphragm are suitable for non- corrosive gas,standard gas, it could ensure the steady output pressure, it hascharacterristics of big scope of application, steady performance and good cost performance.

硬铝气体减压器：单级式膜片减压结构，加厚橡胶膜片，保证输出压力的稳定，适用于非腐蚀性气体、具有适用面广、性能稳定、性价格比高。

This paper presents research and development proce- dure, structure design and performance of engine of 258 kW, which is the highest power ranking of the D683 family. high speed marine diesel engine, structure design, performance optimization

本文主要介绍258kW D683高速高性能船用柴油机的结构设计、性能研究和研制开发的情况。2产品用途的定位以高速高性能船艇的主机动力以及类似要求的船用动力为主要配套对象，经过

Optimized calculation shows that, the comprehensive performance of the eddying tube is better than that of the smooth tube, and the comprehensive performance of the eddying tube with minor screw pitch and proper groove depth is excellent.

优化计算表明，旋流管换热系统的传热-阻力综合性能指标优于光滑管换热系统，旋流管的螺距、槽深对旋流管换热系统的传热、压降、功率消耗等影响很大，但是小螺距、适当槽深的旋流管的综合性能是优良的。

Clifford Zinnes, Yair Eilat and Jeffrey Sachs find that economic performance gains come only from "deep" privatization, and that as a result of different initial conditions the economic performance responses of countries to the same policies are different.

Clifford Zinnes等人认为，经济绩效的提高来自于"深度私有化"，而且，由于初始条件的不同，同一政策在不同国家产生的经济绩效也不尽相同。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。