1) gas energy release and transformation
瓦斯内能释放与转化
2) methane expansion energy initially released
初始释放瓦斯膨胀能
1.
In order to take out the core of outburst coal seams, and use the index of methane expansion energy initially released to forecast the fatalness of outburst, the paper analyzes the underground coring technology based on swivel type double tube core barrel.
为取出突出煤层的完整煤芯,使用初始释放瓦斯膨胀能指标对煤层进行突出危险性预测,本文以单动双管取芯器为例,对井下突出煤层取芯工艺进行研究。
3) expansion energy in initial released gas
初始释放瓦斯膨胀能
1.
With studying the relationship between expansion energy in initial released gas and gas pressure of coal seam, the critical value of the expansion energy in initial released gas can be deduced by outburst simulations.
根据突出模拟实验中出现突出时初始释放瓦斯膨胀能的临界值,可以确定煤层发生突出需要达到的瓦斯压力临界值。
4) expansion energy of initial releasing gas
初始释放瓦斯膨胀能
1.
According to the principle of the “spherical shell stability losing” mechanism, the expansion energy of initial releasing gas and the thickness of soft coal were used as the test indexes to predict the dynamic phenomena when a cross cut is uncovered.
根据突出机理的“球壳失稳”理论，将初始释放瓦斯膨胀能和软煤厚度作为理想石门揭煤条件下的突出预测指标。
2.
It is proved by experiments that the expansion energy of initial releasing gas and the thickness of soft coal seam can be used to forecast outburst accurately under the condition of “uncovering ideal crosscut”.
实验证明，采用初始释放瓦斯膨胀能和软煤厚度可以准确地预测理想石门揭煤条件下的突出危险性。
3.
In the meantime, measuring expansion energy of initial releasing gas of soft coal in Ma jia gou 0521 and absorb constant and remains gas content.
同时,对马家沟矿0521软分层的煤样进行了初始释放瓦斯膨胀能试验及吸附常数和残余瓦斯含量的测定。
5) expansion energy of initial released gas
初始释放瓦斯膨胀能
1.
It is proved that the shape of outburst holes is related to the expansion energy of initial released gas from coal.
通过突出模拟试验证实压出实际上是一种弱突出现象，论证了突出孔洞的形状与煤体的初始释放瓦斯膨胀能大小有关，并对突出孔洞及压出孔洞的形成机理进行了解释。
2.
Under the same experiment conditions,coal samples with different screening modulus were tested on expansion energy of initial released gas,and then we found out the increased exponential relationship between the screening modulus and the expansion energy of initial released gas.
通过在同一试验条件下,对不同破碎程度(不同筛分模数)的煤样进行初始释放瓦斯膨胀能实验研究,得出了初始释放瓦斯膨胀能和筛分模数之间存在着指数增加的关系。
6) intrinsic gas energy
瓦斯内能
1.
To discover the distribution and variation of the coal mass gas pressure in front of the fully mechanized caving face,further analysis the intrinsic gas energy,study the possibility of coal rock dynamic disasters during the primary caving period,and to have an effectively comprehensive gas control,this paper makes a simulation analysis of the gas pressure near the face stope based on the ANSYS10.
为探索综放面前方煤体瓦斯压力的分布变化规律,进一步对瓦斯内能进行分析,研究初放期煤岩发生动力灾害的可能性,有效的进行瓦斯综合治理,本文运用AN-SYS10。
补充资料：摩尔内能
分子式：
CAS号：
性质：符号为Um(Em)。定义式：Um=U/n。其中U为内能；n为物质的量。SI单位为J/mol。化工中常用KJ/mol。
CAS号：
性质：符号为Um(Em)。定义式：Um=U/n。其中U为内能；n为物质的量。SI单位为J/mol。化工中常用KJ/mol。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条