查询词典 gas coal

CO is used to produce formate,formic acid and oxalic acid by reacting with alkaline,in which the CO usually from coal vaporization is replaced by the CO from tail gas of yellow phosphorus production,by-reaction between thermal phosphoric acid and formate or oxalate to produce formic acid or oxalic acid,and by product dihydric phosphates.

提出用生产黄磷尾气中的CO与碱反应生产甲酸盐甲酸草酸，或利用热法磷酸和甲草酸盐反应生产甲酸草酸并副产磷酸二氢盐，继续加工可制得磷酸盐系列和碳一化工系列产品分析该磷化-碳一化工产业在节能减排降低投资与生产成本方面的优势，并简述了黄磷尾气杂质对产品质量的影响及尾气的净化方法

This design on the main Nanshan coal mine methane drainage occurrence, the necessity and feasibility, drainage methods to determine the expected effect, as well as drainage, etc; and the elaboration of natsun mines in accordance with specific parameters on mine, some of the roadway and workface, drivage workface for gas drainage.

本设计主要对南山煤矿矿井瓦斯赋存情况、抽采的必要性及可行性、抽采方法的确定以及抽采效果的预计等进行相应的阐述；并根据南山煤矿的具体参数，对矿井的一些巷道及采煤工作面、掘进工作面进行瓦斯抽采。

The results show that the model has higher forecast accuracy, realize a continuous dynamic trend forecast of working face coal and gas outburst fatalness.

结果表明：电磁辐射异常判识模型具有较高的预测精度，其实现了工作面煤与瓦斯突出危险性的连续动态趋势预测。

The aim of this paper is to remove the polycyclic aromatic hydrocarbons from hot gas during coal combustion. The adsorption for PAHs including Napthalenene, Fluorene and Phenanthrene with six sorbents was investigared.

针对热电厂烟气中排放的多环芳烃污染物，在实验室规模上研究了六种吸附剂对烟气中典型的PAHs，如萘、芴、菲的吸附脱除行为。

Gas forepassed data collected from coal mine monitoring system were analyzed for their character.

对煤矿监测监控系统采集到的瓦斯历史数据进行特征分析，通过小数据量法判定瓦斯时间序列为混沌时间序列。

Abstracts This thesis deals with frother's physi-chemical properties, frother-frother interaction, frothercollector interaction at the gas/water and the water/coal.

本文研究了气/液界面上起泡剂的物化性质、混合起泡剂中起泡剂之间及起泡剂与捕收剂之间相互作用以及起泡剂在煤/水界面的性质。

Coal gas rivaled smoky oil lamps and flickering candles, and early in the new century, well-to-do Londoners grew accustomed to gaslit houses and even streets.

依赖于木炭供应的铁匠们亟需燃料，他们也受益于越来越多的煤炭供应。

Electrical and electromagnetic exploration is an application science, which are used in gas-oil structure, hydrographic, coal, and...

电和电磁勘探是电磁学领域中的一门应用科学，在油气构造、水文地质、煤田地质及工程地质勘探方面取得了良好的效果。

Electrical and electromagnetic exploration is an application science, which are used in gas-oil structure, hydrographic, coal, and engineering geology exploration with good effects.

电和电磁勘探是电磁学领域中的一门应用科学，在油气构造、水文地质、煤田地质及工程地质勘探方面取得了良好的效果。

It is rich innatural resources natural resources: forests, coal, oil , natural gas and salt.

台湾岛是中国最大的岛屿，森林、煤、石油、天然气、盐等自然资源丰富。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。