论文部分内容阅读
精养鲤成鱼投饲技术
【机 构】
:
河北滦南县水产局水质监测站
【出 处】
:
科学养鱼
【发表日期】
:
2000年1期
其他文献
Experimental Study on Performance of Plain Concrete Due to Triaxial Variable-Amplitude Tension-Compr
An experimental study on performance of plain concrete under triaxial constant-amplitude and variable-amplitude tension-compression cyclic loadings was carried
最近SONY推出一款PcMD50录音莲,其多功能性及高品质的展现这次sONY选择通过权威的、具有影响力的音乐人士.将D50的产品信息融入自己的音乐创作中.利用他们已有的社会影响力.通过
目的:评价四种手工检测细菌超广谱β-内酰胺酶(ESBLs)方法的可靠性。方法:采用NCCLS纸片确证试验、双纸片协同试验、双纸片增效法和E-test法对60株大肠埃希菌和50株肺炎克雷伯菌(
The physical and mechanical properties of wet-milling ultra-fine grouting cement were studied,and its microstructure was observed through modern instrumentation
The tribologieal properties of Sialon sliding against MS152100 steel bull under the lubrication of solid particle additives,, as micro-borate particle and nanoP
由于前几年甲(鳗)鱼养殖热而建立起来的工厂化甲(鳗)鱼养殖场,因甲(鳗)鱼价格疲软,生产持续滑坡,而出现生产停滞后闲置。如果不尽快综合利用,而让其自然损毁,势必造成浪费。工厂化