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- By mining in Chengzihe contain coal group Lishu Coal Mine,make an gas study of gas geology,grasp the features of seam gas and the law of pouring out and play an positive action in cutting and mining. 通过对梨树煤矿城子河含煤组的煤层开采,进行瓦斯地质研究,掌握了煤层瓦斯赋存特征和涌出规律,在煤巷掘进及煤层开采期间,有针对性地采取有效措施起到了积极的作用。
- law of gas geology 瓦斯地质规律
- The theory of gas geology is applied to study the prob lem of gas unusual gush at first,and set-ting up systematic research thinking and method of gas geology in the low gas mines. 首次运用瓦斯地质理论研究低瓦斯矿井瓦斯异常涌出问题,形成了系统的低瓦斯矿井瓦斯地质规律的研究思路和方法。
- The variety of gas content are related linearly with the depth of bedrock surface(not the depth of the ground surface),but the relationship are different in different gas geology cel... 瓦斯含量变化与煤层距基岩面深度(而不是地面深度)有较好的线性相关性,但同一煤层的不同区块显示出不同的相关性。
- The variety of gas content are related linearly with the depth of bedrock surface(not the depth of the ground surface),but the relationship are different in different gas geology cel. 结果表明:对煤层瓦斯含量的分析必须以瓦斯地质单元为区块;瓦斯含量变化与煤层距基岩面深度(而不是地面深度)有较好的线性相关性,但同一煤层的不同区块显示出不同的相关性。
- This text is based on the law of conversation of energy and state equation of gas to set up discriminants of behavior mode of hot - weighty gas in the state of static breeze. 本文根据能量守恒定律和气体状态方程,建立了静风环境热重气体行为模式判别式,计算分析了喷出气体温度不同、有毒热重气体含量不同时的有毒热重气体行为模式。
- We are subject to the law of the land. 我们须遵守当地的法律。
- Who discovered the Law of Gravitation? 谁发现了引力定律？
- A whole tankful of gas dropped away because of the tiny leak. 由于这个小小的漏洞，整整一油箱的汽油都漏光了。
- When wine is fermented it gives off bubbles of gas. 酒发酵时会放出气泡。
- Newton's law of motion apply to all things on the earth. 牛顿时的运动定律适用于地球上一切东西。
- There are several kinds of gas in the air. 空气中有几种气体。
- The process of exchange of gases follows a simple law of physics that a gas flows in to the direction of least pressure. 气体交换过程遵循一条简单的物理定律,即气体向压力最小的地方流动。
- A liter of gas has less mass than a liter of water. 一公升气体的质量少于一公升水的质量。
- Enactment into law of a legislative measure. (议案)通过把立法议案制定为法律
- The ultralimit law of gas potency is summed up at No.301 face and other faces in No.1 Coal Mine.The origination of gas and causes of exceeding limit are analyzed.The harness measures are pointed. 总结了一号煤矿301及其它综采面上隅角瓦斯浓度超限规律,详细分析了瓦斯涌出的来源及超限原因,提出了极富针对性的治理措施。
- First, the process of gas deflagration and discharge is analyzed in cylindrical vessels.According to the law of deflagration development, the physical model is set up to describe the whole process. 为此，首先分析了管状容器内气体爆炸泄放过程，根据其燃爆发展规律建立了描述整个泄爆过程的物理模型。
- Using a manual program to solve the gas flow velocity field, the law of gas flow distribution in the PSF is investigated to discuss how the operating parameters affect the gas flow distribution. 运用自编程序数值求解炉内速度场，研究炉内气体流动的基本规律，探讨竖炉操作参数对炉内气体流动的影响规律。
- Chemists study the nature of gases. 有的化学家研究气体的性质。
- The law of supply and demand governs the prices of goods. 供求规律决定商品的价格。
