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- To explore the indoor air quality of Peking university,the concentrations of carbon monoxide(CO),carbon dioxide(CO 2) and non methane hydrocarbons (NMHC) in the indoor air were measured in different types of rooms of Peking university. 为了解北京大学园区室内空气质量,对园区不同类型房屋内CO、CO2与NMHC(非甲烷烃)浓度进行测定。
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- 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。
- 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。
- methane hydrocarbon 甲烷系烃
- I had had a few beers and was completely non compos mentis. 我喝了些啤酒就头昏脑胀了。
- He was declared persona 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。
- Methane may have extraterrestrial significance. 甲烷具有星际意义。
- In this paper the kinetics of methane cracked and converted to C2 hydrocarbons in cold plasma was investigated. 本论文着重探讨冷等离子体裂解甲烷制C2+烃反应的动力学过程。
- We decided to declare them personae non grata. 我们决定宣布他们为不受欢迎的人。
- Methane is said to be hydrophobic. 甲烷被称为疏水的。
- They were able to nitrate methane to nitromethane. 他们能将甲烷硝化成硝基甲烷。
- Methane conversion to C2 hydrocarbons by low temperature plasma was studied in different reactors. 就不同反应器对甲烷常压低温等离子体转化制C2烃的影响进行了研究。
- He was accused of spying and declared non grata. 他被控从事间谍活动而被宣布为不受欢迎。
- Is it covered with liquid hydrocarbons? 土卫六表面是否覆盖了液态的碳氢化合物?
- The rest is mostly methane and ammonia. 其余的几乎都是甲烷和氨。
- Cum non sis, qui fueris, non esse,cur"velis vivere. “当你到了今日之我非复昔日之我的时候,就没有再要活下去的理由了”。
- Study on the Silylation of Aromatic Hydrocarbons. The Trimethylsilylation of Naphthalene 杨美惠;刘梦兰;
- Hydrocarbons are organic compounds. 碳氢化合物是有机化合物。