煤

The variation of chemical composition of coal and extractability of the organic solvent after depolymerization has been observed.

化学降解可以使煤变成分子较小的化合物，有助于研究煤的本质和结构。

The results show that,magnetic field at 0.8 T impedes moisture in the coal particles to vapor before ignition,comparing with no magnetic field,because of H2O diamagnetic properties.

试验结果表明，磁场对煤的着火有明显的影响，在强度为0.8特斯拉的磁场作用下，煤粒温升加速，升温过程出现明显地阶跃现象。

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。

Do the experiment and calculation on retrofit of steam generator and burner used.

解决了世界首台注汽锅炉改烧水煤浆的问题，实现水煤浆稳定燃烧。

Based on the spot measure and coal sample fracture experiment, the distribution of the top-coal block is found. Coal block distribution is the foundation of simulation test for coal block drawing.

通过块体顶煤的相似模拟放煤试验得出了顶煤块径大小、分布层位对顶煤回收率的影响规律，并得出了放煤工艺对顶煤分布特征的适应性规律。

Its function is on one hand to buffering the coal coming from the dumper and coal pile, and on the other hand to mix coal.

它们的作用一方面是缓冲从翻车机和煤堆来的煤，另一方面是混煤。

This paper analyses existing problems and retrofit of low temperature economizer in No.

针对永济热电厂某锅炉低温级省煤器存在的问题，介绍了采用螺旋肋片式省煤器进行改造以减轻磨损状况的方

According to the element structure theory, a theoretical floatation of coal was analyzed base on the organic element makeup of coal surface and the relationship between water flow.

依据分子结构理论，从煤表面的有机分子组成和疏水性间的关系分析了煤的理论可浮性。

The experiments have shown that the agglomerating property of coal slurry make it possible to minimize d the elutriation carbon heat loss of the fluidized bed buring coal water slurry.

实验表明水煤浆在沸腾床内的凝聚、结团特性，使得燃烧过程中的飞灰可燃物损失可以被控制得很低，因而其燃烧效率可达很高的水平，高于同煤种的干煤粒。

Generally, the energy conversion efficiency of hydrogen from coal process is lower than 60%.

典型的煤制氢过程的能量转换效率小于60%，这与实现氢能大规模推广利用所要求的煤制氢效率还有较大差距。

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