【摘 要】
:
请下载后查看,本文暂不支持在线获取查看简介。
Please download to view, this article does not support online access to view profile.
论文部分内容阅读
请下载后查看,本文暂不支持在线获取查看简介。
Please download to view, this article does not support online access to view profile.
其他文献
请下载后查看,本文暂不支持在线获取查看简介。
Please download to view, this article does not support online access to view profile.
In order to improve the nonthrombogenicity of chitin,a new monomer,N,N-dimethyl(β-hydroxyethyloxyethyl) ammonium propanesulfonate(DHAPS)was designed,synthesize
请下载后查看,本文暂不支持在线获取查看简介。
Please download to view, this article does not support online access to view profile.
请下载后查看,本文暂不支持在线获取查看简介。
Please download to view, this article does not support online access to view profile.
请下载后查看,本文暂不支持在线获取查看简介。
Please download to view, this article does not support online access to view profile.
李小食心虫Grapholitha funebranaTreitscheke属鳞翅目小卷蛾科。具欧洲和远东两个生物学型(达尼列夫斯基,1958),我国的李小食心虫与苏联远东的同属一个型(吴维钧,1961)。
请下载后查看,本文暂不支持在线获取查看简介。
Please download to view, this article does not support online access to view profile.
苹果树腐烂病是我国北方苹果产区的主要病害,发生普遍,为害严重。1984年在辽宁、山东、江苏、安徽等地调查,盛果期果园发病株率多为40~80%,因病死掉大枝的现象比较普遍,死树毁
请下载后查看,本文暂不支持在线获取查看简介。
Please download to view, this article does not support online access to view profile.
灭蚁同行都喜欢饲养各种类型的白蚁巢,但又往往是房子条件受到限制由此而告终,如何因陋就简地来解决这个问题呢?1979年国庆节前夕,我们在胥口公社的高联大队社员屋后采集到