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- hydrogen content of coal 煤中氢
- More recently, researchers have sought to associate electromagnetic fields, the radon or hydrogen content of the soil and seismicity patterns with impending earthquakes. 最近,研究人员寻求把土壤中的电磁场、氡或氢含量以及地震活动格局,同即将发生的地震联系起来。
- It is suitable for measurement of bright carbon content of coal power type. 用于煤粉型砂等材料光亮碳含量的测定。
- By means of investigating the macroscopical and microcosmic rupture configuration, chemical composition, mechanical properties and hydrogen content of the material, it is suggested that the rupture is originated in the shatter crack. 通过对断口的宏观和微观形貌、材质的化学成分、力学性能、氢含量等分析,认为从动轴的断裂是由干白点造成的。
- For measuring exactly on gas content of coal bed,required high core recov ery and short time to hoisting and loa ding. 为了准确测定煤层含气量,要求取心作业必须有高的收获率和尽可能短的提钻及出筒装罐时间。
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- In the coal-burning roller bed kilns, the moisture content of coal must be less than 5%. 燃用煤炭的辊道窑,煤的水分应小于5%25。
- Prohibition was laid on the export of coal. 禁止煤炭输出。
- An increase in the oxygen content of coal by 1% reduces the calorific value by about 1.7%. 煤的含氧量每增加百分之一,其热值则下降百分之一点七左右。
- hydrogen content of hydrocarbons 烃类中的氢含量
- He put a shovel of coal on to the fire. 他往火炉里加了一铲煤。
- We had a big delivery of coal today. 今天我们收到大批订购的煤。
- We have found out thatorganosulfur content of coal maceral was determinded by sedimental environment and the extents of gelificat... 综合分析发现煤显微组分有机硫含量主要受聚煤环境、组分凝胶化程度、氧化程度的影响,而聚煤环境为主导影响因素。
- The country is short of known deposits of coal. 这个国家缺少已知的煤矿矿床。
- The fineness and content of coal gangue have also influence on the pore distribution and SEM figure of the hardened cement pastes. 热活化煤矸石的细度和掺量对水泥硬化浆体的孔结构分布和形貌也有较明显的影响。
- To effectively and economically reduce the ash content of coal and raise the quality of coal products have become a commonly concerned problem. 如何经济而有效的降低煤炭灰分,提高煤炭产品的质量,已成为煤炭企业共同关心的问题。
- An inexhaustible supply of coal. 用之不竭的煤炭供应
- Critical hydrogen content in weld Ot titanium malerials. 钛材焊接临界氢含量
- The content of vitrinite and ash are different in different types of coals. 镜质组有利于割理的形成,其含量越高,储集物性越好。
- The hydrogen content in the sample is read out on DVM. 氢的检测信号由数据处理系统处理,并用数字电压表直接显示出试样中的氢含量。