1) coal mine
煤井
1.
In order to fulfill the needs of medium or small coal mines,unifying the knowledge of the computer and network.
针对目前中小型煤井的需求,结合计算机技术和网络技术,采用模块化设计,在VC++6。
2.
In accordance with the needs of medium or small coal mines,using the computer technology and network technology,a monitoring and controlling system is designed and implemented.
针对目前中小型煤井的需求,结合计算机技术和网路技术,开发了一个煤井监控系统;该系统采用工业控制计算机和智能节点组成典型的集中分散结构,文章简单阐述了系统的设计思想、结构和实现的功能,上位机系统软件采用面向对象和可视化技术编制,详细介绍了其串口通讯接口程序的设计,并给出了部分通讯源码;现场应用表明,该系统简单、实用,能及时为用户提供准确信息,能动地减少事故的发生。
2) coal mine underground
煤矿井下
1.
Study on scheme of IF mobile communication in coal mine underground;
煤矿井下中频移动通信技术方案研究
2.
The status of mobile communication in coal mine underground is introduced, the difficult technical problems including laneway infection for wireless transmission and weak signal reception and noise interference are analyzed, and ways to solve these problems are proposed.
介绍了我国煤矿井下移动通信现状,分析了技术上的难题-巷道对无线传输的影响、弱信号接收和井下环境噪声干扰,提出了解决途径。
3.
To solve the problem of frequent over-grade trip of fast short-circuit protection in high voltage power supply system of coal mine underground,a scheme of adaptive protection system based on independent substation was proposed.
针对煤矿井下高压供电系统速断保护经常越级跳闸的问题,提出了一种基于独立分站的自适应保护系统方案。
3) CBM well
煤层气井
1.
The technology of fracturing fluid in CBM well;
煤层气井用压裂液技术研究
2.
The selection of gel breaker for clearing fracturing fluid in CBM well
煤层气井清洁压裂液破胶剂的筛选
3.
The CBM wells are generally shallow and intersect multiple layers.
煤层气井一般较浅,且多层,在分层压裂时选用适用的压裂桥塞对高质量、低成本、快速完成煤层气井的完井作业是非常重要的。
4) coalmine
[英]['kəulmain] [美]['kolmaɪn]
煤矿矿井
1.
Emergency measures in coalmine during earthquake;
浅议地震时煤矿矿井井下的应急对策
6) underground mine
煤矿井下
1.
Penetration ability of radar wave is an important index for evaluation of application of radar in underground mine.
雷达波的穿透能力大小是衡量雷达在矿井中应用效果好坏的重要指标，它取决于介质的电磁波衰减系数，衰减系数越小，雷达波的穿透能力越大，衰减系数随着介质电导率的增大而增大，煤矿井下介质主要为低电导率的煤层、砂岩、页岩、灰岩，它们的衰减系数较小，雷达波在这些介质中穿透能力较大。
补充资料：标准煤(见煤当量)
标准煤(见煤当量)
standard coal
、~‘~1人、4《1工兀飞coal)见煤当等
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条