煤矿
- 与 煤矿 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Dionysus Dionysus was the god of wine . He was the son of Zeus by Semele .
煤矿工人中国原煤产量是世界产量的35%,却占了世界煤矿工人死亡人数的80%。
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On the basis of the analysis to the short circuit malfunction in domestic underground high voltage power network the paper deeply studied the relevant protection principle and the approach for improving the sensitivity and reliability of short circuit protection in underground high voltage power network designed the new type computerizable protection scheme of selective and rapid short circuit in underground high voltage power network with computer communication and logic identification technology Computer .
在分析我国井下高压电网短路故障的基础上,深入研究相关的保护原理及提高井下高压电网短路保护灵敏度和可靠性的方法,设计出新型的利用计算机通信与逻辑识别技术的井下高压电网微机选择性速断短路保护方案,将微机保护应用于煤矿井下高压电网,通过多机通信,逻辑判断判定线路故障段,从而做到快速的,有选择性的切断故障线路,避免煤矿井下高压电网因越级跳闸而造成大面积停电。
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The impact of wind barrier of natural landform and wind barrier of artificial Hippophae rhamnoides on the plants restoration in flat of dumping site of opencast coal mine in the semi arid was investigated through the observations on the plants in the different sectors of dumping site, field experiment and laboratory analysis.
以霍林河露天煤矿为例,通过对排土场不同地段植被的观察、野外小区实验和室内分析的方法,调查研究了天然地形风障以及人工沙棘风障对半干旱地区露天煤矿排土场平台植被恢复状况的影响。
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At present, the computer are extensively used in production of coal mine, the flameproof or flameproof and I. S. computer do not suit the development of mining industry.
目前,计算机在煤矿生产中有着广泛的应用,但隔爆型或隔爆兼本安型计算机远远不能适应煤矿工业的发展需要。
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This project mainly study and develop the sample system, antenna and processing software about flameproof ground penetrating radar. The study aim is to use this technology to coal mine, providing the safe guarantee of coal mine.
本项目主要研究和开发防爆地质雷达采集系统、天线和处理分析软件,目的将地质雷达这一高新技术更好服务于煤矿的生产实践,为煤矿的高产高效安全生产提供地质探测保障。
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The chemical compositions, properties and reaction principles of polyurethane applied in coal mine were introduced and the effect of catalyzer, foamer,fire retardant and storage stabilizer on the properties of polyurethane as seal material were discussed.
介绍了煤矿井下用聚氨酯泡沫密闭材料的化学组成、性能和反应原理,探讨了催化剂、发泡剂、阻燃剂和贮存稳定剂等因素对组合聚醚及其聚氨酯密闭材料的性能影响,并在煤矿井下进行了封闭应用试验。
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It is considered that the shortage of water resources and the friability of ecological environment are the common feature of coal mine areas in Western China,"three water" balance is the foundation of the assessment, and to control the impact of coal mine areas development over water resources within the capacity of regional water resources is the key to the sustainable development of the coal mine area.
研究认为西部煤矿区水资源匮乏和生态环境脆弱是共性,"三水"平衡是评价的基础,将矿区开发对水资源的影响限制在区域水资源承载力范围之内是煤矿区可持续发展的保证。
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We again on the basis of physical circumstances,handle statistic analysis of data, geometric probability AND linear programming grade means,by dint of excel, spss and/or matlab grade software,ascertain know clearly said colliery required \\\best ventilation quantity from \\\"safety regulations in coal mine\\\" and/or said mine.
我们又根据《煤矿安全规程》及该矿的具体情况,运用数据统计分析、几何概率和线性规划等方法,借助Excel、SPSS及matlab等软件,确定了该煤矿所需的最佳通风量。
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There is not any regularity for occurrence of gob.
近年来,老窑采空区透水成为煤矿突水的显著特点之一,给煤矿的安全生产带来极大的威胁。
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The paper introduced a technology to check the brake clearance of hoister based on single-chip microcomputer.
介绍一种基于单片机的闸间隙检测技术,利用它可以实现对煤矿提升机制动闸的间隙测量,实时跟踪闸的动作,显示闸间隙值,并在提升机制动闸的间隙超出煤矿安全规程要求时报警指示。
- 推荐网络例句
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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.
从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。
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The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.
集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐
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The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
血精的原因很,以良性病变为主。