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- The non oxygen aromatization feature of methane on Co Mo/HZSM 5 catalyst was investigated. The effect of catayst surface structure on methane aromatization was characterized by using NH 3 TPD and XRD. 考察了Co－Mo/HZSM－5 催化剂的甲烷无氧芳构化性能， 并用NH3 －TPD和XRD方法表征了其表面结构对于甲烷芳构化的影响。
- Water contains hydrogen and oxygen. 水含有氢和氧。
- Yeast must be used in producing wine. 制酒时必须使用酵母菌。
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- It may take a long time to find a solution to the problem. 也许要花很长时间才能找到解决这个问题的办法。
- Yeast can be used in making beer and bread. 酵母可用于酿啤酒和发面包。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- Study on the rice straw simultaneously saccharify the yeast solution produces the actic acid 稻草秸秆发酵同时糖化酵解产乳酸的初步研究
- Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
- The diplomat was declared persona non grata. 这位外交家被宣布为不受欢迎的使节。
- I simply refuse to conceive of such a solution. 这样的解决办法，我是绝对不考虑的。
- Mars is too dry and poor in oxygen. 火星上面过于干燥，并且缺乏氧气。
- What color is copper sulphate solution? 硫酸铜溶液是什么颜色？
- Made light and high by yeast or other leaven. 发酵的用酵母或其它发酵剂使 ... 轻而高
- He is declared personal non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- Mary is sceptical about the solution. 玛丽对这个解决办法表示怀疑。
- Fish take in oxygen through their gills. 鱼通过鳃摄取氧气。
- His problem did not really admit of any solution. 他的问题真是没有解决的可能。
- He doped out a solution to the problem. 他想出一个解决该问题的方法。
