查询词典 cathodic protection

1 A comprehensive protection of the old city must be taken into consideration, which exists in the following ten scopes: protection of the water system of rivers and lakes, protection of the traditional axis, protection of the Imperial City, protection of the arches in the shape of 凸 in the old city, protection of roads, streets, alleys, small lanes known by their Manchu Hutong, protection of the height of traditional-style buildings, protection of the urban scenical lines, protection of the symmetrical structure on the street, protection of the colors of constructures, and protection of ancient and famous trees.

6.0.1 必须从整体上考虑北京旧城的保护，具体体现在历史河湖水系、传统中轴线、皇城、旧城"凸"字型城廓、道路及街巷胡同、建筑高度、城市景观线、街道对景、建筑色彩、古树名木十个层面的内容。

This text has analyzed the common malfunction of the asynchronous motor at first. And then it, which is based on symmetrical weight theory, has drawn accurate criterion of the trouble of the motor, confirmed the protective measures of different troubles. Finally, it has realized kinds of protection functions, such as short-circuit protection, rotate-stop protection, over-heat protection, negative current protection, zero current protection, low-voltage protection, over-voltage protection, overlong start-up time protection, frequent start-up protection, lock protection of electric leakage and so on.

本文首先分析了异步电动机的常见故障，以对称分量法为依据，采用检测过流幅值、负序电流、零序电流的方法，得出了电动机故障的准确判据，确定了各种故障的保护措施，对电动机实现了短路、堵转、过热、负序电流、零序电流、低电压、过电压、启动时间过长、频繁启动、漏电闭锁等保护功能。

Protection The whole protection scheme for double-circuit lines on the same tower consists of split-phase current differential protection or split-phase composite distance carrier protection and zero-sequence directional comparison protection as main protection, and DPFC distance protection, step zones distance protection and zero-sequence directional over-current protection as backup protection.

2.2.1 。保护整个保护计划的双回线同杆包括分相电流差动保护或分相复合距离承运人的保护和零序方向比较保护为主要保护和DPFC距离保护，加强保护区的距离和零序方向过电流保护作为后备保护。

The pulsed current cathodic protection is a new kind of cathodic protection technology, and has great potential appli...

脉冲电流阴极保护是一种新型的阴极保护技术，具有巨大的潜在应用价值和市场前景。

This paper describes the distribution of potentials and current densities and the chemical changes in the presence of cathodic protection,the mechanism of cathodic protection against crevice corrosion,the mechanism of microbiologically influenced corrosion of pipeline steel beneath disbonded coatings.

综述了在有阴极保护的条件时剥离涂层下缝隙内电位电流的分布和化学环境的变化、阴极保护防止缝隙腐蚀的机理、微生物腐蚀的机理以及前人提出的关于剥离涂层下微生物腐蚀与阴极保护相互作用的规律，并展望了对于解决剥离涂层下微生物腐蚀难题需进一步的实验研究

The necessity of tank cathodic protection is detailed and impact of tar sand and electric insulation on cathodic protection system is highlighted.

阐述了储罐阴极保护的必要性，并重点探讨了沥青砂层及电绝缘对阴极保护系统影响的问题。

The following functions can be realized: Measuerment:the effective values of three phase current and voltage, power frequency, active power, reactive power, power factor etc. Motor control: direct starting, converse starting, star and triangle starting, self-starting. Protection:thermal overload protection, current leakage protection, open-phase protection, three-phase unbalance protection, over voltage protection, loss voltage protection, low load protection and fault warning and fault dates memory. Communication: communication of the computer in control room and the microcomputer monitor in the spots is realized by the interface of RS-485. The motor is not only controlled in the spots but also in control room. The dates, information and some functions are shared by the spots and control room too.

该电动机监控器以80C196KC单片机为核心，通过采样三相电流﹑电压信号来实现以下功能：三相电流﹑电压有效值，电网频率，有功功率，无功功率及功率因数等的测量；对电动机实现直接、正反转、星三角及自起动控制；对电动机实现热过载、漏电、断相、三相不平衡、过压、欠压及轻载保护，对故障进行报警及数据记忆；通过RS-485串行接口与中央控制室计算机实现通信功能，对电动机既可本地，也可远程控制；实现控制现场与控制室之间数据、信息、功能共享。

Together in a process Road, the former process of renovation works, many are decorative face well, we have some protection products, the protection is simple finished first submitted some proposals to us, we recognize End, and then a protection In other works in progress, it can not destroy, or to re-issue the protection of all products prior Road processes assume a responsibility for the protection of the mutual protection responsibilities will change, if there is any damage to the case, we will hold the responsibility for the protection of everyone's attention to the work.

在一道道工序做好之后，在前装修的施工过程当中，有很多是装饰面做好了，我们有一些成品保护，简单的成品保护就是首先提交一些方案给我们，我们确认完之后，然后做好保护，在其他的施工进行中，也不能对它进行破坏，否则要重新再做保护，对所有的产品前道工序有一个承担保护的责任，这个保护责任也会相互转换，假如有什么破坏的情况出现，我们会追究这个责任，让大家对这个保护的工作重视起来。

Together in a process Road, the former process of renovation works, many are decorative face well, we have some protection products, the protection is simple finished first submitted some proposals to us, we recognize End, then do protection in other works in progress, it can not destroy, or to re-issue the protection of all products prior Road processes assume a responsibility for the protection of the mutual protection responsibilities will change, if there is any damage to the case, we will hold the responsibility for the protection of everyone's attention to the work.

在一道道工序做好之后，在前装修的施工过程当中，有很多是装饰面做好了，我们有一些成品保护，简单的成品保护就是首先提交一些方案给我们，我们确认完之后，然后做好保护，在其他的施工进行中，也不能对它进行破坏，否则要重新再做保护，对所有的产品前道工序有一个承担保护的责任，这个保护责任也会相互转换，假如有什么破坏的情况出现，我们会追究这个责任，让大家对这个保护的工作重视起来。

Accident prevention;Anaesthesiology;Ball compression test;Classes of protection;Classification;Classification systems;Clearances;Colour codes;Design;Determinations;Dictionaries;Dimensions;Earth conductors;Earthing;Electric appliances;Electric contact protection;Electric enclosures;Electric mains;Electric power systems;Electric shocks;Electrical accidents;Electrical appliances;Electrical engineering;Electrical equipment;Electrical medical equipment;Electrical protection equipment;Electrical safety;Electrically-operated devices;Electromagnetic compatibility;Electromedicine;Electrostatics;EMC;Enclosures;Environmental conditions;Equipment;Equipment safety;Explosion protection;Fire safety;General conditions;Graphic symbols;Hot-mandrel;Impact testers;Inspection;Instructions for use;Insulating enclosures;Insulations;Leakage paths;Letterings;Lists;Marking;Measurement;Mechanical safety;Medical equipment;Medical radiology;Medical sciences;Medical technology;Occupational safety;Operational instructions;Programmable;Protection against electric shocks;Protection coverings;Qualification tests;Radiation protection;Safety;Safety devices;Safety engineering;Safety regulations;Safety requirements;Specification;Strength of materials;Surveys;Symbols;Temperature;Test atmospheres;Test equipment;Testing;Testing conditions;Testing voltages;Transformers

中文主题词事故预防；麻醉学；球压试验；防护等级；分类；分类系统；间隙；色码；设计；测定；词典；尺寸；接地导线；接地；电器；电接触保护；电气外壳；电源；电力系统；电击；电气事故；电气设备；电气工程；医用电气设备；电气保护设备；电气安全；电驱动装置；电磁兼容性；电医学；静电学；EMC；外壳；环境条件；设备；设备安全；防爆；防火安全；一般条件；图形符号；热卷筒；冲击试验器；检验；使用说明书；绝缘外壳；绝缘件；漏电路径；文字书写；表；作标记；测量；机械安全；医疗设备；医学放射学；医学科学；医疗技术学；职业安全；操作说明书；可编程序的；防电击；保护覆盖层；合格试验；辐射防护；安全；安全装置；安全工程；安全规则；安全要求；规范；材料强度；调查；符号；温度；试验环境；试验设备；试验；试验条件；试验电压；变压器

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。