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- Solanesol was extracted in the waste tobacco leaves by dynamic saponification method of ethanol and solvent naphtha. 建立了以废次烟叶粗提物为原料,采用乙醇和溶剂油动态皂化方法萃取茄尼醇的工艺。
- A new process to prepare nicotine from waste tobacco is introduced,and the process conditions are discussedin detail.The process has high yield and good quality for the products. 介绍了以废烟草为原料生产烟碱的新工艺，对工艺条件进行了较为详细的讨论。该工艺具有产品产率高、质量好等优点。
- New method for the production of nicotine from waste tobacco by saponification,distillation,(acidification),inspissation,extraction had been investigated. 介绍了以废弃烟草为原料,经皂化、蒸馏、酸化、浓缩、碱化及有机溶剂萃取制备高纯度烟碱的新方法。
- 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。
- Keywords supercritical CO2 extraction;waste tobacco leaves;solanesol; 超临界CO_2萃取;废次烟叶;茄尼醇;
- 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？
- It's a waste of money betting on that old nag! 把赌金压在那匹老马上就是白扔钱！
