论文部分内容阅读
大田鼠害综合防治技术
【机 构】
：
山东省博兴县植保站
【出 处】
：
农业知识
【发表日期】
：
2003年23期
其他文献
<正>A number of studies have been reported on the applications of supercritical fluids to polymeric processes. The presence of volatiles can affect the end-use
Nonfoaming Bubble Separation for Recovery of Butyl Acetate from Discharged Wastewater During Penicil
Two nonfoaming bubble separation techniques, air stripping and solvent sublation, are presented and discussed in order to recover butyl acetate (BA) from discha
Some empirical mixing models were used to describe the imperfect mixing in precipitation process.However, the models can not, in general, reflect the details of
本文从西方经典人力资本理论出发，提出了企业人力资本质量体现在健康意识、教育成效以及家庭教育背景三个方面的理论假设，对人力资本质量盼结构进行多角度的系统化的理论研究。
Product quality and operation cost control obtain increasing emphases in modern chemical system engineering. To improve the fault detection power of the partial
黄鳝昧美,有滋补保健及药用功能,深受消费者喜爱,国内外市场年需求量近300万吨,日本、韩国每年需进口20万吨,港澳地区的需求也呈增长趋势。目前,黄鳝野生资源已不多,除了四川
<正>~~
Coking and Deactivation of Catalyst Inhibited by Silanization Modification in Oxidation of Benzene t
The main cause to the deactivation of ZSM-5 catalyst, used for oxidation of benzene to phenol (BTOP) by nitrous oxide, is that the carbon deposition on the cata