Coalseams

常見例句

The migrating methane by cross-borehole in coalseam is used in this condition.
交又鉆孔抽放本煤層瓦斯正是在這種條件下產(chǎn)生的。
HDPE with fire retardance and antistatic property has been developed and used to make gas drainage pipe in the coalseams.
研制了具有阻燃及抗靜電性能的HDPE,并將其用于制作煤層瓦斯抽放管。
Abstract There is coalseam methane in coalbed and coal bearing sequences in the study area.
在煤層和煤系地層中，產(chǎn)生并賦存著煤層氣。
This paper uses the numerical theory,constructs the math model of the effect of coalseam injection prediction,and gives an example of prediction.
本文應(yīng)用數(shù)量化理論，給出了如何建立煤層注水效果的預(yù)測數(shù)學(xué)模型，并結(jié)合實(shí)例，進(jìn)行了預(yù)測。
But because of the different conditions of the coal existing state, the migration effect is not good in coalseam in some coal mines.
但是，由于煤的賦存條件千差萬別，有些煤礦本煤層抽放效果一直不很理想。
With the high absorption intensity, stable hydrodynamic field and coalseam floor and roof,favorable coalbed gas system is formed.
盆地中部在豐富的氣源、砂巖成巖致密化早于主供氣期、成藏后構(gòu)造及水動(dòng)力穩(wěn)定等成藏條件配合下形成了大型深盆氣系統(tǒng)。