论文部分内容阅读
鸣虫品种介绍
【出 处】
:
农业知识
【发表日期】
:
2004年21期
其他文献
A three-dimensional(3D) fast fluidized bed with the riser of 3.0 m in height and 0.1 m in inner diameter was established to experimentally study the cluster beh
期刊
The effects of adding rare earth(RE) metals,such as Ce,Yb and Pr to Ni-S_2O_8~(2-)/ZrO_2-Al_2O_3(Ni-SZA) on the structure of catalysts as well as their isomeriz
Zn–Ca–Al mixed oxide as efficient catalyst for synthesis of propylene carbonate from urea and 1,2-pr
A series of Zn–Ca–Al oxides with different CaO and ZnO contents have been prepared and evaluated in the synthesis of propylene carbonate(PC) from 1,2-propylen
2012年是中国共产党召开第十八次全国代表大会确定新一届领导班子的关键时刻,也是中国经济增长出现放缓迹象、经济改革全面深化的重要年份,这一时期西方媒体对中国经济改革的
Numerical and experimental investigations of liquid mixing in two-stage micro-impinging stream react
A two-stage micro-impinging stream reactor(TS-MISR) that combined a first pre-mixing stage with a second micro-impinging stream reacting stage for continuous mu
期刊
早在去年,首个攻击64位系统的病毒就已经出现。虽然时隔一年之后,64位操作系统才正式发布。但用户心头无疑已经笼罩着一层阴影——64位应用尚未普及,作为应用程序的安全软件也寥