查询词典 protection

Based on principle of protection a point and a line on the ground,this paper puts forward the principle of similar ellipse method to design coal pillar for protection of buildings,and the method and step are proposed.

在保护地面上一点、一条直线原理的基础上，提出了似椭圆法留设保护煤柱的基本原理，给出了留设保护煤柱的方法与步骤。

Production there is connection of submersible pump cables, submersible pump cables, leaf guide pulley, insulation tape, electrical protective device, the electrical protection device, such as electric current logger unit fittings; compound of oil and gas separator, oil wells sealed to fine-tune anti-theft devices, oil wells series of sacrificial anode cathodic protection, and solid paraffin Jiangnian device, pump, wellhead equipment, such as downhole tools; XLPE cables, PVC insulated non-sheathed cables, PVC insulated sheathed cable, rubber cable sets Products such as wires; vibration extraction technology, oil wells, chemical plugging damaged casing technology, bionic ball-drive technology to improve the transfer agent, crude oil demulsification and sewage treatment technology and other technical services oil wells; ZJ series trailer rig and the whole device ; oil special vehicle category; workover solid pressure testing special types of vehicles; transport engineering a total of eight special vehicles such as more than 100 kinds of products, leave clearance to major oil fields.

公司生产有潜油泵引接电缆、潜油泵电缆、叶导轮、绝缘胶带、电机保护器、电机保护仪、电流记录仪等电泵机组配件；复合式油气分离器、油井防盗密封微调器、油水井系列牺牲阳极阴极保护器、固体降粘防蜡器、抽油泵、井口装置等井下工具；交联聚乙烯电缆、聚氯乙烯绝缘无护套电缆电线、聚氯乙烯绝缘护套电线、橡套电缆等电线产品；振动采油技术、油水井套管破损化学堵漏技术、仿生球型改进剂调驱技术、原油破乳及污水处理技术等油水井技术服务项目；ZJ系列钻机及其整拖装置；采油类特车；修井测试固压类特车；运输工程类特车等共八大类100多种产品，销假往国内各大油田。

SWEET KELP POWDER IN COSMETIC, SKIN AND HAIR CARE INDUSTRIESSWEET KELP POWDER products are widely adopted as ingredients in making natural cosmetics, skin and hair care products for people with normal skin, dried skin, damaged skin and aging skin, and hair damaged, scalp protection in multiply applications such of pH balance, secretion balance, nurturing, moistening, activating, purification, regeneration and rejuvenation and sunburn protection.

甜海带粉化妆品、护肤护发甜海带粉制品业的广泛采用，使天然成分的化妆品，皮肤和头发护理产品，为残疾人正常皮肤，皮肤干燥、皮肤老化、皮肤损害、而头发受损，保护头皮的pH值乘以申请这种平衡，平衡分泌、培养、滋润、活化、净化、再生与复兴、炙保护。

He also argued that the idea behind the headscarf is the protection of the woman. Nowadays, this protection may also take the form of education and other skills.

同时他认为妇女戴纱巾的原意是对妇女的保护，如今，这种保护或许也可以通过提供教育和技能培养来体现。

This paper takes the FuXing substation De_ icer demonstrate project as an example to analyze the structure and characteristic of Dc_ icing system, and have given a perfect protection configuration scheme and operation strategy, which have laid the first stone for the application and development of De_icer control and protection system.

本文以复兴变电站直流融冰示范工程为例，对直流融冰系统的结构、特点进行了分析，并给出了完善的保护配置方案和操作策略，为直流融冰控制保护系统的应用与开发打下了基础。

Therefore the use of electronic current transducer as the measure unit of distance protection is suggested in this paper. The working principles and characteristics of electronic current transducer are introduced. Then the improvement on the starting component, phase selecting component, impedance component and other functional component of distance protection by using of optical current transducer is discussed afterward.

因此该文提出了采用电子式电流互感器作为距离保护的测量元件的建议，论证了采用光学电流互感器对距离保护起动元件、选相元件、阻抗元件及其他功能元件等带来的优越性。

China Stock Index Futures Research Center through the mainland stock index futures market research found that the lack of individual protection measures, such as from the first phase of the management of the parties and the market launch of stock index futures preparations watch, despite the risk of education, institution building, as well as stock index futures Simulation of a series of transactions, but we have not found one has for small and medium-sized retail, especially with regard to protection of small and medium-sized retail system.

中国股指期货研究中心通过大陆市场调研发现股指期货缺乏散户保护措施，比如从第一阶段管理层与市场各方对股指期货推出的准备工作看，虽然进行了风险教育、制度建设，以及股指期货的仿真交易等一系列的工作，可我们却在其中没有发现有针对中小散户、特别是有关中小散户保护的相关制度。

Since the application of the Non-Conventional Instrument Transformer and the Optic-Fiber communication network are the distinct characteristics of all-digital protection systems, this thesis will focus on the influence of these two key technologies on all-digital protection systems by using an evaluation platform.

其中，非常规互感器的应用和光纤通信网络的实现是全数字化保护系统有别于传统保护的显著特征，本文将围绕这两个关键技术，利用仿真评测平台对其为保护带来的利弊进行详细地分析与研究。

The joint protection method of steel wire of zinc based alloy coating is deduced in the dissertation, which adopts organic metal powder protection.

提出了针对电缆成缆过程的有机物金属粉末保护法的技术方案，进一步提出了简便、有效的二次加热接头保护工艺；确定了沥青、环氧树脂加锌粉混合配制的接头保护物质配方。

The land trust protection is a very effective way to solve the externality, and it is also a useful supplementary to the protection mechanism of current farmland policy.

从信托的基本原理入手，分析土地信托保护的含义、特征以及功能。

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。