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- Influence of mineral matter on nitrogen conversion in coal during combustion 矿物成分对超细化煤粉燃烧过程中氮转化的影响
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- Has undergone a religious conversion. 经历一次宗教信仰的转变。
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- A proposition obtained by conversion. 逆命题通过换位得到的命题
- Conversion to gas central heating will save you a lot of money. 改用煤气集中供暖将节省大笔开支。
- nitrogen conversion factor 氮换算系数
- He laughed to conver his nervousness. 用笑掩饰。
- Three Practical Situational Conver sations. 个实战经典对话）。
- Conversion of your heating system from coal to gas will be costly. 你把暖气系统由烧煤改造成烧瓦斯会花好多钱。
- May I have a convers :) ation with you? 我可以跟你谈一下吗？
- nitrogen conversion 氮索转化
- Coding Workshop Ringto...Mobile Ringtone Conver... 音乐剪切工具Ringtone C...
- Will you sunder nitrogen from air? 你能从空气中把氮气分离出来吗?
- Nitrogen is the most commonly used gas. 氮气是最常用的气体。
- Sample gas tubes are flushed with nitrogen. 采气管得用氮气吹扫。
- The main reservoir of nitrogen is the atmosphere. 氮的主要蓄存库是大气层。
- Conversion of one substance into another. 变质从一种物质向另一种物质的转化
