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- Extraction of Nicotine from tobacco waste. 从烟草废料中萃取尼古丁
- Nicotinecan be extd. From tobacco waste by steam distn. 尼古丁可以用蒸气蒸馏的方法从烟草废料中萃取。
- Nicotine can be extd. from tobacco waste by steam distn. 尼古丁可以用蒸气蒸馏的方法从烟草废料中萃
- Tobacco waste and its utilization were reviewed in this paper,and discussion was made involving properties,uses,extraction technologies of solanesol and nicotine. 着重介绍了烟草废弃物的概况和利用现状,并对茄尼醇和烟碱的性质、用途和提取工艺进行了阐述,在现有的工艺基础上提出了一个烟草废弃物综合利用的新方案。
- The char-acteristics,application and extraction of them in order to make good use of tobacco waste to obtain more high value products was studied dom-estically and internatimally. 本文重点介绍了它们的性质、用途、提取方法等国内外研究进展情况,便于更好的利用废次烟叶得到更有价值的产品。
- The air was reeking with the smell of tobacco. 空气中弥漫着烟草的气味。
- He tamped down the tobacco in his pipe. 他把烟丝紧紧摁实在烟斗里。
- He rammed the tobacco into his pipe. 他把烟丝塞进烟斗。
- In some countries tobacco is a government monopoly. 在有些国家烟草是政府的专卖品。
- Slop out the waste basins first when you get up. 起床的第一件事是把例盆倒了。
- Don't waste time on nonessentials. 不要把时间浪费在枝节事情上。
- It's only a waste of time to speak to her. 和她说话纯粹是浪费时间。
- Tobacco fumes filled the air in the room. 室内的空气中充满了香烟的烟雾。
- She cannot stand the smell of tobacco smoke. 她受不了香烟的气味。
- I can't just let the water run to waste. 我不能让这些水白白流掉。
- Can I trade my tobacco for your matches? 我用烟草换你的火柴行吗?
- It'd be a pity if all this work went to waste. 如果所有这一切工作都白干了，那多可惜。
- This is a mixture of the best tobacco. 这是由最好的烟叶配制成的。
- It is often the case that haste makes waste. 忙中有错是很常见的。
- Do you smell the reek of stale tobacco? 你闻到发霉烟草的臭味了吗？
