查询词典 coal-hole

Firstly, the paper makes a detailed study on the dielectrical properties of coal and associated minerals. This paper proves that the dielectric constants of coal and each composition follow cube root addition law.

首先对煤及伴生矿物的介电性质进行了详细研究，根据电动力学理论证明了煤的介电常数与其中各组成部分的介电常数之间满足立方根相加规律。

On the basis of the thermal balance equation,specific inner work equation,cyclic heat absorption equation of a thermal system and the standard coal-consumption calculation formulae of power generation,derived was a general calculation model featuring the influence of lower terminal temperature difference of a heater on the coal consumption of a power plant.

根据热力系统热平衡方程、比内功方程、循环吸热量方程及发电标准煤耗率计算公式，导出了加热器下端差对机组煤耗影响的通用计算模型；并且在考虑到加热器下端差的影响的基础上，改进了以往的建模方法，得到了更为完善的加热器上端差对机组煤耗影响的通用计算模型。

The process that gas desorbs from coal containing gas is a process of decalescence during which the coal temperature comes down gradually.

含瓦斯煤体在破裂过程中产生热效应，而且随着裂纹的扩展在裂尖区会产生附加温度场。

The developing process, structure and function of Decision Support System for the non-coal industrial evaluation in coal mine are introduced.

介绍了煤矿非煤产业项目评价决策支持系统开发的过程，以及系统的结构和功能，给出了各种评价指标的具体计算方法和原则。

The paper systematically summarized and reviewed plenty of achievements of rock strata movement and structure evolution, the migration laws of coal-bed methane and degasification methods, it can get that the mining overburden rock fissure patterns and distribution of methane migration law are the theoretical foundation of safety and simultaneous extracting of coal and gas, which are one of the study key points for the future.

论文系统评述了采动覆岩移动与结构演化、煤层瓦斯运移及瓦斯抽采方法的诸多成果，认为覆岩裂隙分布形态及其中瓦斯运移规律是实现煤与瓦斯安全共采的理论基础，也是今后研究重点之一。

Friend:Under the equipment which introducted to you mainly uses in:Coal coal egg production;Each kind smelts the diamond dust material cool suppression ball group production.

干粉压球机，压球机，压球蛋机详细介绍：朋友：下边给您介绍的设备主要用于：型煤炭蛋生产；各种冶金粉料冷压球团的生产。

Li Yangjian studied on the diastrophism which produced by the hard and soft rocks structure caused by the thick and hard limestone stratum at the bed top of the mining area and the weak intercalations coal measures strata durning he was working in coal measures pyrite mine at Fengli, where he found the new structure phenomena and get some basic point on continental layer controlled theory.

李扬鉴在枫林煤系硫铁矿工作期间，对矿区顶板厚层石灰岩刚硬层与下伏煤系软弱层之间软硬相间结构产生的构造变动，进行了长期地深入地研究，发现了许多前人没有发现过的构造现象，萌生了大陆层控构造学说若干基本观点的雏形。

Coal mining exists badly negative exteriority,it has restricted seriously the sustainable development of coal and diggings.

矿产资源开采存在着严重的负外部性，很大程度地影响到矿产资源及矿区的可持续利用和发展。

I'm in charge of discharging a large amount of charcoal and coal at the coal

我负责在煤矿卸一大堆木炭和煤。

I'm in charge of discharging a huge amount of charcoal and coal at the coal mine.

我负责在煤矿卸一大堆木炭和煤。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷