小蠹
- 与 小蠹 相关的网络例句 [注:此内容来源于网络,仅供参考]
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In this paper,twenty_three families are discussed that is Cicindelidae,Carabidae,Hydrophilidae,Staphylinidae,Dytiscidae,Elateridae,Silphidae, Histeridae,Corynetidae,Buprestidae,Ostomatidae,Nitidulidae, Cybocephalidae,Catogenidae,Sivanidae,Mycetophagidae, Lathridiidae,Ptinidae,Bostrychidae,Anobiidae,Lyctidae, Tenebrionidae ,Meloidae,totally eighty_seven species.
本文论述了23科,即虎甲科、步甲科、牙甲秒、隐翅虫科、龙虱科、叩头虫科、葬甲科、阎甲科、陷附郭公虫科、吉丁虫科、谷盗科、露尾甲科、方头甲科、扁甲科、锯谷盗科、小覃甲科、薪甲科、蛛甲科、长蠹科、窃蠹科、粉蠹科、拟步甲科、芫菁科共87种。
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A relative remarkable phototaxis of the beetle has been proved under the conditions of laboratory.
叶辉纵坑切梢小蠹有明显的趋光性。
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Identification, synthesis,and biology of the sex pheromone for Holcocerusinsularis Staudinger(Lepidoptera:Cossidae)were studied by means of gaschromatography,gas chromatography-mass spectrometry,electroantennogram,microchemical analysis,electron microscope,transmission electron microscope,and field tests in this dissertation.
本学位论文以危害白蜡、国槐等园林树木的重要蛀干害虫小线角木蠹蛾Holcocerus insularis Staudinger为对象,利用气相色谱、气相色谱-质谱联用、微量化学反应、触角电位、电镜技术和田间试验等技术与方法,完成了小线角木蠹蛾性信息素的鉴定、合成与生物学研究。
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The research suggested that temperature and light are the essential factors influencing beetle' taking-off.
研究认为,温度和光照是纵坑切梢小蠹起飞的重要环境因素。
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Scolytidae is one of the most important insect populations of the forestry and spreaded abroad by international trade .
小蠹是最重要的森林蛀干害虫之一,由于危害极其隐蔽,被认为是通过国际贸易传播最为普遍的一类昆虫。
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On the basis of reviewing the relevant studies the adjustment and control effects of pine tree smell entomological semiochemical of Scolytidae and other chemicals attack behavior to host were described in detail .
在综合大量国内外研究成果的基础上,就松树寄主气味,非寄主气味,小蠹虫信息素以及其他化学信息物质对调控小蠹科害虫侵袭寄主林木等的行为,作了系统详细的论述。
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Using uncontinued polycrylamide gel electrophoresis, comparative studies of isozymes between the four geographical populations of Tomicus piniperda L.
采用不连续聚丙烯酰胺凝胶电泳技术研究了纵坑切梢小蠹Tomicus piniperda L。
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This fungus is spread by Platypus quercivorus and easily infests the oak which grow relatively weak. Platypus quercivorus and oak fungus can be controlled by injuction of NCS into holes opened in oak.
由于该虫易侵入生长势相对较弱的栎类立木,通常危害木的树龄在 20 年以上,且以 40~50 年居多,通过钻孔注入适量的NCS等药剂后;用胶贴纸带包裹,可起到防治和杀灭栎长小蠹及&栎树菌&的目的。
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Present research thinks that its death is directly caused by a fungus ,which is called oak fungus.
当前研究结果认为,引起栎类树木死亡的直接原因是一种目前尚未正式定名的有害菌,文中被称为&栎树菌&,这种有害菌通过栎长小蠹进行传播的。
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Yet scolytids do not normally attack healthy trees.
事实上,棘胫小蠹是不危害健康树的。
- 推荐网络例句
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Plunder melds and run with this jewel!
掠夺melds和运行与此宝石!
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My dream is to be a crazy growing tree and extend at the edge between the city and the forest.
此刻,也许正是在通往天国的路上,我体验着这白色的晕旋。
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When you click Save, you save the file to the host′s hard disk or server, not to your own machine.
单击"保存"会将文件保存到主持人的硬盘或服务器上,而不是您自己的计算机上。