| 1. | The true alkaloid nicotine in nicotiana functions as an allomone against many insect species .
烟草属中的真生物碱，烟碱作为利已激素，能防治许多昆虫。 |
| 2. | Density difference liquid membrane separation technology
利用乳化液膜分离富集烟碱 |
| 3. | Do you have any of those nicotine patches
你们有烟碱片吗？ |
| 4. | Using nicotinamide , a botanical insecticide , for controlling dendrolimus punctatus
烟碱防治马尾松毛虫初报 |
| 5. | Standard test method for nicotine and 3 - ethenylpyridine in indoor air
室内空气中烟碱和3 -乙烯基吡啶的标准试验方法 |
| 6. | The content of nornicotine is higher after flue - curing than before flue - curing
湿度对烟碱含量影响无明显的规律性。 |
| 7. | Cigarettes - determination of nicotine in cigarette filters - gas chromatographic method
卷烟滤嘴中烟碱的测定气相色普法 |
| 8. | Cigarettes - determination of nicotine in smoke condensates - gas - chromatographic method
卷烟总粒相物中烟碱的测定气相色普法 |
| 9. | Cigarettes - determination of nicotine and nicotine - free dry particulate matter in sidestream smoke
卷烟.侧流烟气中焦油和烟碱的测定 |
| 10. | On the establishment of the social security system for the integration of urban and rural areas
以废次烟叶生产硫酸烟碱新方法的研究 |
