助手标题
全文文献 工具书 数字 学术定义 翻译助手 学术趋势 更多
查询帮助
意见反馈
共[2]页 共[27]条 当前为第1条到20条
 

相关语句
crawfish
Starvation on changes in growth and fatty acid composition of juvenile red swamp crawfish, Procambarus clarkii
      
The effect of starvation on physiological and biochemical indicators of body, muscle and hepatopancreas were investigated for juvenile red swamp crawfish (Procambarus clarkii), and the results showed the effect was obvious.
      
Asymmetric competition in larval amphibian communities: conservation implications for the northern crawfish frog, Rana areolat
      
This density-dependent regulatory mechanism may be of particular importance for rare or endangered species such as the northern crawfish frog, Rana areolata circulosa.
      
Mirex residues in wild populations of the edible red crawfish (Procambarus clarki)
      
Despite laboratory evidence of the extreme sensitivity of crawfish to the insecticide mirex, field studies and monitoring reveal no evidence of massive die-off or noticeable population declines.
      
The residues obtained were so low as to be well below the levels capable of causing mortality of juvenile crawfish in the laboratory.
      
It was concluded, therefore, that the present use of mirex in southcentral Louisiana is not an important threat to the crawfish industry.
      
Trifluralin and oryzalin herbicides toxicities to juvenile crawfish (Procambarus clarkii) and mosquitofish (Gambusia affinis)
      
Amiridine and tacrine are found to have a concentration-dependent effect on the spontaneous activity of an isolated neuron from crawfish.
      
Crawfish may be harvested in unrestricted portions of the wildlife management area and shall be limited to 100 pounds per boat or group.
      
Crawfish harvest limited to 100 pounds per vehicle or boat per day.
      
Crawfish and crab production is a multimillion dollar-a-year sector of the Louisiana seafood industry.
      
Fishing gear used to catch crawfish shall not remain set overnight.
      
Integration of crawfish production with traditional land uses often provides a practical means of both soil and energy conservation.
      
Later in the day Kathy and Pierott picked up some crawfish and beer for dinner, along with food for the boys.
      
Often, marginal agricul tural lands are used to produce crawfish.
      
On September 15, 1997, the ITC entered an antidumping duty order on crawfish tail meat from China.
      
Principles of aquaculture with emphasis on crawfish and catfish farming.
      
Preliminary results suggest that crawfish farming in the Mid-Atlantic region can be feasible, assuming adequate consumer demand exists.
      
 

首页上一页12下一页尾页 

 
CNKI主页设CNKI翻译助手为主页 | 收藏CNKI翻译助手 | 广告服务 | 英文学术搜索
版权图标  2008 CNKI-中国知网
京ICP证040431号 互联网出版许可证 新出网证(京)字008号
北京市公安局海淀分局 备案号:110 1081725
版权图标 2008中国知网(cnki) 中国学术期刊(光盘版)电子杂志社