其主要成分是甲烷，但煤层气中甲烷气体利用率却较低。
Its main composition is methane, but the utilization of methane is low.
随着料高的增加，金属化率不断下降，然而气体利用率却在不断升高。
Metallization degree decreases while utilization degree of gas increases gradually with the height of charge increasing.
温度越高，气体利用率越高，但随着还原时间的增加，差距在逐步缩小；
The higher the reaction temperature, the more the utilization degree of gas, but the difference of utilization degree at various temperatures shortens with time.
随着时间的增加，气体利用率下降，表明还原前期反应速度快，后期反应慢；
The utilization degree of gas decreases with reaction, which shows that the reaction is rapid during the beginning of deoxidation process, while slower with time.
该优化方案能够提高设备利用率、提高工效、节约成本，为气体钻井装备配套标准化、实用化奠定了良好的基础。
Equipment utilization and work efficiency are improved and cost saving by using the optimization program. It lays a good foundation for standardized and practical for gas drilling equipment package.
区域能源系统能源利用率的提高能够减少温室气体的排放，改善能源服务，并且更有效的保障能源安全。
Improving energy efficiency in the DES sector will decrease in the growth rate of GHG emissions, increase energy services, and improve energy security.
相对于乙醇、水等作为介质合成二硒醚，以PEG- 400为介质减少了剧毒气体硒化氢的排放，同时硼氢化钠的利用率有所提高。
The toxic hydrogen selenide gas was reduced, while the utilization of sodium borohydride was over a lot when the PEG-400 instead of ethanol.
采用无泡曝气作为反冲洗气体，不但提高膜生物反应器中溶解氧量，而且氧利用率也得到提高，且能量消耗也有所降低。
Adopting bubbleless aeration as reflushing air which not only increased DO in the MBR, but also advanced the oxygen utilization, and the energy consumption decreased as well.
铝锰铁复合脱氧剂脱氧与铝铁脱氧比较，可提高铝的利用率，降低钢中氧、氮气体及夹杂物含量，有利于减少连铸水口堵塞，提高钢液的纯净度。
The result indicated that the Al - Mn- Fe alloy deoxidant can increase utilization ration of aluminum, decrease content of oxygen and nitrogen and inclusion in the steel.
随着现有发电设备利用率得到了提高，就产生了温室气体排放。
As the utilization of current energy generation equipment is increased, so is the creation of GHG emissions.
同时也研究了粉煤灰与生石灰掺混方式对气体脱硫率和脱硫剂的钙利用率的影响。
Also studied was the effect of the mixing mode of pulverized coal ash with the caustic lime on the so 2 removal rate and the calcium utilization rate of the calcium based sorbent.
本实用新型产生的有益效果是，将废旧橡胶在较低温度下进行分解，不产生有毒气体，回收利用率高，自动化程度高。
The positive effect of the utility model is to dissolute the waste rubber in comparatively low temperature without making noxious gas and with high recovery ratio and high automation.
本实用新型产生的有益效果是，将废旧橡胶在较低温度下进行分解，不产生有毒气体，回收利用率高，自动化程度高。
The positive effect of the utility model is to dissolute the waste rubber in comparatively low temperature without making noxious gas and with high recovery ratio and high automation.
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