词语:煤层,语音朗读:热度:268

词语煤层拆分为汉字:

煤字的拼音、笔画、偏旁部首、笔顺、繁体字,煤字字源来历,煤字演变

古代的植物压埋在地底下,在不透空气或空气不足的条件下,受到地下的高温和高压年久变质而形成的黑色或黑褐色矿物:~矿。~田。~层。~气。~焦油。~精。烟气凝结的黑灰,为制墨的主要原料:~炱。松~(松烟)。……

层字的拼音、笔画、偏旁部首、笔顺、繁体字,层字字源来历,层字演变

重(chóng):~云。~峰。~浪。~叠。重复地:~出不穷。级:~次。阶~。上~。量词(a.用于重叠、积累的东西,如“五~楼”;b.用于可以分项分步的东西,如“还有一~顾虑”;c.用于可从物体表面揭开或抹去的东西,如“一~薄膜”)。……

 

查询词语:煤层

汉语拼音:méi céng

 

词语煤层基本解释

地下上下两个岩层之间分布着煤炭的一层。

 

词语煤层详细解释

  1. 地下作层状分布的煤矿。

 

词语煤层双语例句

双语例句
  1. Gather ag on the two front pieces until the shoulder seam ab equals the stitching line bf, to give the front fullness shown in the drawing.

    收集股份公司的两个前片,直到肩膀煤层抗体等于缝合线高炉,使丰满的正面显示的绘图。

  2. The overburden in the mining influencing zone is often composed of red strata and coal beds in many coal mines.

    许多矿区煤层采动影响范围内的覆岩层由红层和煤层共同构成。

  3. The gas content is often low near the regional faults or in the intersection part of the regional faults.

    区域大断裂带附近以及多组断裂的交会部位,煤层含气量往往较低。

  4. Most of it comes from off the coast of Western Australia, and most of this, like the coal-seam gas, is destined for Asia.

    这其中绝大多数出自澳大利亚西海岸,此地出产的煤层气等绝大多数产品都销往亚洲。

  5. The top-coal in the front of the wall appears the failure area in the effect of the abutment pressure that spreads over the coal seam.

    煤壁前方顶煤在支承压力作用下产生破坏区,遍布整个煤层;

  6. However, production of the gas is currently just a quarter of that.

    然而,目前煤层气的产能刚刚达到该目标的四分之一。

  7. Converting coal bed methane to LNG uses well-established technology, but has never been proved as a commercial proposition.

    将煤层气转化为LNG使用的技术相当成熟,但作为商业计划从未被证实可行。

  8. Although the market is in its infancy, it has been the subject of a spate of deals this year.

    尽管煤层气市场仍处于起步阶段,但它是今年大批交易的主题。

  9. Almost half of it is thought to be in shale; the rest comes from coal-bed methane and tight gas.

    而其中将近一半蕴藏在页岩中;其余的则来自煤层甲烷和致辞气。

词语煤层百科解释:

煤层

植物遗体经复杂的生物化学作用、地质作用转变而成的层状固体可燃矿产。它赋存于含煤岩系之中,位于顶底板岩石之间。煤层的层数、厚度、产状和埋藏深度等,受古构造、古地理及古气候条件制约。煤层的赋存状况是确定煤田经济价值和开发规划的重要依据。 煤层结构可分为两类:不含夹石层的称简单结构,含夹石层的称复杂结构。夹石也称夹矸,常见的是粘土岩、碳质泥岩、泥岩和粉砂岩。煤层中的夹石层增高了煤的灰分含量,降低了煤的质量,并给开采带来一定困难。

 
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