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- The miners muck the waste rock every other day. 矿工每隔一天清除一次矸石。
- Weathering of Copper Mine Waste Rock and Characteristics of Acid Wastewater. 铜矿废石风化及形成酸性废水特征
- It also gives the application of SRD in the mine winch of waste rock. 介绍了开关磁阻电机调速系统的构成、工作原理和特点,及其在煤矿矸石山绞车上的应用。
- Large amount of poisonous gas,coal and waste rocks badly influence the safe product for coal mine,and also cause the economic loss to our country. 煤与瓦斯突出产生大量的煤与矸石和有毒的瓦斯气体,严重影响煤矿安全生产,给国家造成或大或小的经济损失。
- The mine debris flow is mostly caused by the illogically heaped waste rock and discard soil during exploiting mine resource. 矿山泥石流的形成与发生主要是因山区矿产资源开发过程中废石弃土不合理堆排造成的,以其物质来源亦称矿渣型泥石流。
- Taking an iron mine as example, the burden principles and methods for making the microcrystal glass from tailings and waste rock are described. 以某铁矿为例,阐述了利用尾矿废石制作微晶玻璃的配料原则和配料方法。
- The structure working principle and characteristics of switched reluctance drive are introduced.It also gives the application of SRD in the mine winch of waste rock. 介绍了开关磁阻电机调速系统的构成、工作原理和特点,及其在煤矿矸石山绞车上的应用。
- Gangue (the following abbreviation is waste rock) belong to clay kind mineral, it basically is by the acidity of aluminous, iron, silicate mineral place is comprised. 煤矸石(以下简称为矸石)属于粘土类矿物质,它主要是由铝、铁、硅酸盐的酸性矿物质所组成。
- To date,the water and soil conservation engineering of mine,such as filling ditch and constructing dam using waste rock,reclaimation and stopping water have gained good benefits. 利用废石填沟筑坝,造地还田,而且实施堵水工程,取得了较好的水土保护效果。
- Based on the characters of coal and waste rock diffuse reflections, the discriminating photoelectric system for selecting waste rock is manufactured and simulative test is made. 本文根据煤与矸石的漫反射特征,研制了光电选矸图像识别系统,并进行了现场模拟。
- The compression property test method of coarse fraction hand sorting waste rock, smelter slag and their mixed filling materials had been introduced in this paper. 本文主要介绍粗粒级手选废石、冶炼炉渣及二者按不同比例混合料的压缩性能测定方法。
- Radiometric sorting is a separation method in which the natural radioactivity of ores and their different reaction after being radiated are used for separating useful minerals and waste rocks. 辐射分选是利用含有用元素的矿块和废石块在受照射后反应的差别或其本身放射性的差别而将矿石与废石分开的一种分选方法。
- Navigation is difficult on this river because of the hidden rocks. 因为河上有暗礁,所以在这条河上航行很困难。
- Based on the data of radon eduction rate and meteorological parameters measured in field, this paper discussed the relationship between the meteorological paramters and the surface radon eduction rate of flat or hill type of uramium waste rock heap. 在实测氡析出率和气象参数的基础上,讨论了气象参数对平坦型、型铀废石场表面氡析出率的影响。
- The storm cast the little rowboat on the rocks. 风暴把这条小划艇抛到岩石上。
- The stricken tanker began to break up on the rocks. 油轮被击中后撞上礁石,毁了。
- With the waste rock adit system of Lanjian Iron Mine of Panzhihua Steel Co. as the object,various analytic calculation methods were used to work out the relation between the critical explosive dosage and the distance in production. 以攀钢兰尖铁矿废石平硐系统为对象 ,采用不同的分析计算方法 ,导出了生产临界爆破药量和距离的关系。
- These rocks are awash at high tide. 这些礁石在涨潮时被海水淹没。
- Slop out the waste basins first when you get up. 起床的第一件事是把例盆倒了。
- Rocks are worn smooth through the agency of water. 岩石由于水的作用而变得光滑。