range coal

For theoretical arithmetic, in the range of 600~ 1 000 ℃, the open circuit voltages ( OCV) of cells which used locale and self-mixed UCG coal gas were both greater than 0.70 V, that was suitable for SOFC operation voltage.

理论计算表明：在600~1000℃的工作温度下，使用实际和自配的UCG煤气的电池的开路电压（OCV）均大于0.70V，符合SOFC电压的工作要求；

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The Upper Paleozoic Carboniferous-Permian source rocks are mainly coal measure strata, with thickness in the range of 150~ 500m, low to medium organic matter abundance, and type ⅲ kerogen.

上古生界石炭&二叠系烃源岩主要为煤系地层，厚度为150~500m，有机质丰度属于低-中等，有机质类型为Ⅲ型。

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Through theoretical calculation and actual data comparison, made sure that coal seam transformed shear wave energy is mainly concentrated between 0.2H~ 1.3H ( H is the depth of target stratum), then the P-SV wave offset range in coalfield multiwave seismic prospecting can be set on.

通过理论计算及与实际资料对比。确定煤层转换横波能量主要集中在0.2H～1.3H之间（H为目的层深度），据此即可确定煤田多波地震勘探P&SV波偏移距范围。

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The feasibility analysis indicates that when the international price of crude oil changes in the range from 17 to 20 American dolor per barrel, it is suitable to build up the coal-liquidation chemical plants in China.

可行性研究表明，国际油价在17～20美元/桶时，中国煤炭液化工厂就有生存空间；

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The error source and range for calculating the single coal ratio in mixed coal is analyzed.

分析了混煤比计算的误差来源与范围.

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To do the township small coal mine coal reserve trend inspection well, duly and correctly inspect of coal reserve within approved range and if the mining beyond approved coal seam or boundary is essential to land and resources management.

做好乡镇小煤矿储量动态检测，及时准确核查检测小煤矿批准范围内的资源储量及是否存在越层越界现象，是国土资源管理的一项重要工作。

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The experiments were designed to remove HCl, NH 3, organic sulphur and coal tar component in high temperature coal gas, in combination and simultaneously by using a fixed-bed reactor at the reaction temperature range from 300 ℃ to 550 ℃.

在固定床反应器中首先对高温煤气中氨、有机硫化物、氯化氢及焦油4种污染物进行了同时脱除，其中选择CS2和1-甲基萘分别作为高温煤气中有机硫化物和焦油蒸气的模型化合物。

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The range of high temperature zone in coal body will expand with the increment of intensity of air leakage, and the probability will also be higher relatively.

漏风强度增大只能使煤体内高温区范围扩大，相对提高自然发火几率。

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Our products range: solar panel , cement , coal , home and office furniture , tile, porcelain , agriculture products, etc.

相关分类: 水泥和沙, 太阳能电池,太阳电池板, 煤.

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This paper introduces the process of absorbing benzene from coal gas by tar wash oil in coking plants. The main cause of low yield of the crude benzene is that the distillation range of the recycled wash oil is too low before 270 ° C.

介绍了焦化厂焦油洗油吸收煤气中苯的工艺流程，分析了造成粗苯产量低的主要原因是循环洗油270℃前馏程偏低。

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