查询词典 cathodic protection

Cathodic polarization curve, covering power, throwing power and operation temperature range of the brightener had been tested and had been compared with those of two kinds of abroad brightener.

介绍了酸性镀铜光亮剂，并与使用较多的两种国外酸铜光亮剂的阴极极化曲线、镀液的深镀能力、均镀能力、耐温工作范围等作了对比。

Results showed that the rare earth additive helped to increase the dispersive ability and cathodic current efficiency of the nickel - plating solution, but to decrease the throwing power.

以普通镀镍液为基础，采用远近阴极法测定了不同稀土含量镀镍液的分散能力，用内孔法测定了其深镀能力，镀液及其底液的阴极极化性能。

At equilibrium,the rate of the metal dissolution is equal to the rate of the cathodic reaction,and the rate of the reaction is directly proportional to the current density by Faradar's law ;therefore:（6）and the Nernst equation can be rewritten(7)where B is a constant and i0 is the exchange current density,which is defined as the anodiccurrent density at the standard electrode potential.

在平衡，金属溶解的率与负极反应的率是相等的，并且反应的率与电流密度直接地是比例由Faradar的法律；因此：(6)和能斯脱等式可以被重写(7) B是常数的地方，并且i0是交换电流密度，被定义作为正极电流密度在标准电极电位。

This dissertation gives a special research in microcomputer relay protection for power transformer of 110kV or below voltage ratings, which based on widely summarizing the theory of power system relay protection and its advanced trend. After analyzing the working character of the transformer in details and absorbing the advantages in other power transformer protection, a scheme which is fit to power transformer of 110kV or below voltage ratings is put forward.

本文在全面介绍和评述电力系统微机保护原理及其发展趋势的基础上，对电力系统中大量应用的110kV及以下各电压等级的变压器保护进行了专门研究，根据这一类电力变压器的运行特点，吸取以往各种保护方法的长处，提出了这类电力变压器保护方案。

According to the specific property of the red-rock,using campare tests, study the key technology of the road slope protection.Find the plants and the planting ways;grass and the rate;the season to plant and the biological protection on different slope.On the basis of analyzing the result of field experiment and field survey, and the experience of biological protection test and design on landscape ecological afforestment construction of highway in Hunan Province.

本文针对红砂岩的特性，采用对比试验的方法，主要针对公路边坡防护的高新技术开展研究，研究适用于湖南省红砂岩地段边坡防护用的植物与配置模式、草种与草种配比、播种时间及边坡生物防护方法的施工原理与工艺流程及各种防护方法适用的边坡类型。

Aiming at the development of the microprocessor-based relay protection and the lack of training and experimentation system which is difficult to satisfy the requirement , this paper describe a microprocessor-based relay protection training and experimentation system , put forward the design project about the combination of software which applied for computer protection based on integrated developing environment Visual Basic 6.0 and SQL Server and hardware which applied on Digital Signal Processing and the Personal Computer 104 bus-mastering machine, introduce systemic principle architrave and primary hardware form and the function and the aim of the software and its realizable way.

针对目前微机保护技术飞速发展的形势和国内微机保护培训试验系统难以满足要求的现状，本文介绍了一套电力系统微机继电保护培训试验系统，提出了基于DSP和应用PC/104总线工控机以及利用集成开发环境VB6.0和SQL Sever的软硬件结合的设计方案，对系统的原理框图、主要硬件构成和软件的功能目标及主要功能的实现方法进行了详细的介绍。

The configuration scheme of lightning arrestor protection for converter station, the principle of insulation coordination and overvoltage protection strategy for converter station are analyzed; the parameters and characteristic of lightning arresters are calculated; after analyzing the overvoltage protection for equipments and insulation level of equipments in detail, the discharge voltage of air clearances in converter station is given preliminarily.

自2005年国家电网公司部署建设±800kV直流特高压输电工程以来，组织国内外直流专业公司、科研院所、设计单位开展了广泛的研究工作[1-5]。从主接线方案的比较、户内外直流开关场的选择到绝缘裕度的确定，都从绝缘配合设计的角度进行了研究和比较，取得了大量研究成果[6-11]。

Consideration of the structural characteristics of autotransformer, the principles and characteristics of zero-sequence differential protection are analyzed by taking PST1200 as an example, debugging method of zero-sequence differential protection is summed up briefly, the method can well verify the logical function correctness of zero-sequence differential protection, and it has been verified in practical application.

结合自耦变压器的结构特点，以南自PST1200变压器保护装置为例分析了零序差动的原理构成及特点，简要总结了零差保护的调试方法，能够较快且准确的校验零差保护逻辑功能的正确性，并已在实际工作中得到了很好的验证

Through studying the landscape planning and design of the lakeside traveling vacation area,educed the following conclusion: 1st, Ecological consciousness should permeate the development and construction of landscape;basic frame of landscape planning and design in lakefront traveling vacation area: Setting upecological consciousness→establishing the principles of landscape planning and design→theconcept lay: Position analysis, planning orientation→the planning lay: Landscape type analysis, landscape pattern analysis, ecology condign analysis→the design lay: Protection ecologydesign, compensating ecology design, compatible ecology design→establish ecological landscape 2nd, combining the protection first principle with landscape planning and design In planning lay, applying the protection first principle and land utilization "10% principle", plansthe artificial landscape and the management landscape.

通过对滨湖旅游度假区景观规划设计的研究，得出如下的结论： 1、生态意识应贯穿景观开发建设的始终：滨湖旅游度假区景观规划设计的基本框架：生态意识的树立→滨湖景观规划设计原则的确立→概念层面：区位的分析、规划定位→规划层面：景观类型分析、景观格局分析、生态适宜性分析→设计层面：保护性生态设计、补偿性生态设计、适应性生态设计→生态景观的建立。

The author considers that two problems are worth reflecting and studying:One is the regulating range;the other is that when legislators regulated the rights of software copyrighter that regulated in the eighth item of Computer Software Protection Byelaw,they did not consider the characteristics of computer software itself and concerning to protection period, it did not solved interest balance in copyrights protection of software.

二是我国《计算机软件保护条例》第八条规定了软件著作权人所享有的一系列权利，大都是因袭了著作权法对著作权保护的规定，并没有考虑到计算机软件本身的特性。另外从保护周期等方面考虑，软件著作权保护中并没有解决利益平衡问题。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？