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- sex pheromone of Pine sawfly 松叶蜂性信息素
- In the study on the synthesis of sex pheromone of pine saw fly, the 2-Methyl octanoic acid, an important synthon block of the sex pheromone was synthesiszed in this paper. 在设计合成松树叶蜂性信息素3,7-二甲基-2十三醇乙酸酯及丙酸酯的课题中,本文首先合成了它的一个重要的结构单元2单位基辛酸。
- sex pheromones of pine sawflies 松叶蜂性信息素
- Does the contact sex pheromone of Japanese pine sawyer, Monochamus alternatus, exist? 松墨天牛是否存在雌性接触信息素?
- Keywords pine sawfly;sex pheromone;3;7 dimethyl 2 tridecanol;7 dimethyl 2 tridecanyl acetate; 松叶蜂;性信息素;3;7-二甲基-2-十三碳醇;7-二甲基-2-十三碳醇乙酸酯;
- The total synthesis of 3,7 dimethyl 2 tridecanyl acetate,the active component of the sex pheromone of diprion pini,was investigated in this paper. 对松叶蜂 diprion pini性信息素活性组分 3;7-二甲基 -2 -十三碳醇乙酸酯的全合成进行了研究 .
- Abstract : Application of sex pheromone of insects for monitoring and controlling is one of the important IPM strategies. 摘要 ： 应用昆虫性信息素进行害虫监测和防治是害虫综合治理重要措施之一。
- Abstract： A new essential technique of SPME for studying sex pheromone of Helicoverpa armigera and the difference between SPME and single gland extraction(SGE)were studied. 摘 要： 简要介绍了固相微量萃取法在棉铃虫性信息素研究中的技术要点。初步比较了单个腺体提取法与固相微量萃取法在分析棉铃虫性信息素时的差异。
- A new essential technique of SPME for studying sex pheromone of Helicoverpa armigera and the difference between SPME and single gland extraction(SGE)were studied. 简要介绍了固相微量萃取法在棉铃虫性信息素研究中的技术要点。初步比较了单个腺体提取法与固相微量萃取法在分析棉铃虫性信息素时的差异。
- This article describe the discovery of 2, 6-dichloro-phenol as a sex pheromone of the ticks, especially on the process of bioassay and the possible method of detoxification of poly-chlorinated biphenyl (PCB). 摘要本文在叙述壁?性费洛蒙双氯酚的发现，生物检定法以及此等研究过程应用于多氯联苯解毒作用的可能性。
- The sex pheromone of American White Moth. Hyphamtria cunea D. (3Z, 6Z)-9S, 10R-epoxy-heneicosadiene (1) was synthesis in an overall yield of 16.8% over 10 steps starting from a divinylcarbinol 6. 本文报道合成美洲白蛾性信息素(3Z;6Z)-9S;10R-环氧-二十一碳双烯(1)的路线.;从双乙烯甲醇出发;经过十步合成到1;总得率为16
- The advances in the study and application of sex pheromone of Helicoverpa assulta in the respects of its biology, ethology, chemical conposition and influencing factors are reviewed. 介绍了烟夜蛾性信息素的生物学、行为学、化学组成、影响因子及其应用方面的研究进展。
- Advances in Research on Pathogenic Microorganisms of Pine Sawfly 松叶蜂病原微生物的研究进展
- Amber is the resin of pine trees that grew very very long ago. 琥珀是古老的松脂。
- Title： Determination of Double Bond Position in Conjugated Dienes in Sex Pheromones of Dendrolimus SPP. 关键词：4-甲基-1,2,4-三唑啉-3,5-二酮;共轭双键;气相色谱-电子轰击质谱;性信息素;云南松毛虫
- The forest is full of pine needles. 这个森林里到处都是松树。
- Study of Synthetic Method on Sex Pheromone of Japanese Beetle DL-日本丽金龟性信息素合成方法研究
- We don't carry a large stock of pine furniture. 松木家具我们备货不多。
- We put in 20 rows of pine trees. 我们种植了20排松树
- Needlelike, as the leaves of pine; acerate. 似针的，针状的似针的，如同松树的叶子；针状的
