煤矿

According to the unperfected and not advanced status of the underground water drainage system in mine,the paper provided a new design plan of the water drainage monitoring and control system based on a virtual instrument.

针对煤矿井下排水系统不够完善和先进的现状，提出了一种新的基于虚拟仪器的排水监控系统的设计方案。

The present invention provides a preparing method of vanadic oxide by coal mine containing vanadium and fluorite.

含钒石煤矿和萤石联合制取五氧化二钒的方法。

The invention belongs to vanadic hydrometallurgy technology, especially a melting technique of directly lixiviating and separating vanadium from coal mine containing vanadium.

本发明属于钒的湿法冶金技术，特别是对含钒石煤矿直接浸出分离钒的冶炼技术。

Acylvanadium sulfate is prepared by mixing coal mine containing vanadium, fluorite mine and sulphuric acid, then pumped in the reactive tank, further chemical combination and dissolving, acylvanadium sulfate enters in solution, qualified vanadic oxide is prepared.

本方法是将含钒石煤矿、萤石矿和硫酸调浆后，泵入反应槽中，进行化合和溶解，生成硫酸酰钒而进入溶液，经液固分离后得到含钒浸出液，浸出液经采用铁屑还原、氨水中和、萃取、反萃、氨水沉钒、煅烧等成熟工艺处理后，便产出合格五氧化二钒。

For the water-content explosives, the heat is released after the water is vapored during the heating.

对于含水炸药，受热过程中首先发生的是破乳、脱水，脱水之后才开始迅速分解放出热量，二级煤矿许用乳化炸药活化能随着分解率的增加而增大；平均活化能为E=124.05kJ/mol，从开始放热到热爆炸临界点的延滞期为

And the design method for U-steel yieldable support and combined structure of steel and concrete is discussed.

论文首先介绍了地下工程支护结构理论的发展及其研究现状；结合五轮山煤矿施工现场，论文采用超静定结构力学计算方法、有限元的分析方法，主要对浅埋强风化段支护结构进行了力学分析；在总结现有文献研究成果的基础上，分析了型钢与混凝土的粘结机理，介绍了U型钢可缩性支架缩动前后的内力计算方法，讨论了考虑U型钢可缩性支架稳定性的承载能力问题，阐述了U型钢可缩性支架参数选择的原理。

U shape yieldable steel ribs are commonly used supports in coal mines.

U型钢可缩性金属支架是煤矿巷道中常用的支护形式。

The effect on mine is that I now get a warm low bass of between 30 and 80Hz, which for a boombox is impressive and suites the music I play to a tee.

对煤矿的影响，现在我得到一个温暖的30和80Hz之间，低的低音，须有一个boombox令人印象深刻和套房的音乐我打一个洞。

And by combining the actual conditions of Bigezhuang colliery, TangshanHuida Group (this text Bigezhuang colliery after abbreviating as), we have carried on thedevelopment of the systems soft ware of the information management.

并结合唐山汇达集团毕各庄煤矿的实际情况，进行了信息管理系统软件的开发。

It was shown that the variations of the stress field of rock strata,deformation and displacement of discontinuous blocks,strata collapse and abscises could be efficiently figured out by means of DDA.

应用DDA数值方法模拟分析了深部煤矿开采中上覆岩层的应力场变化和变形移动规律，并与相似物理模型试验进行了对比。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。