The reactions of fish to AC can be distinguished into four stages: electrifying, electrotaxis, electronarcosis and electrocuting.鱼对交流电的反应可分成四个阶段: 感电 、 定向 、 麻醉和击昏反应....
My bicycle is not available, and it is being repaired.我的自行车现在不能用, 因为正在修理。Racing was halted for an hour while the track was repaired.修理赛道时车赛中止了1个小时。He had repaired my kettle, and it saved my buying a new one.他把我的水壶修好了, 省得...
We constructed a CALB - displaying yeast whole - cell biocatalyst applied it to esterification from caproic acid and ethanol.重组酵母菌经冻干能有效地实现在非水相中全细胞催化己酸和乙醇酯化合成己酸乙酯....
Sewage nutrients do increase algal growth in the harbour.污水中的营养物确实会加快港口的海藻生长。During an algal bloom the PH of the water can be as high as 10.藻类水华期间,水的pH值可高达10.And the ore contains hydromica ( illite ), quartz, organic mat...
A large solid angle Bragg - curfe Spectrometer ( BCS ) is introduced in this paper.本文介绍的大张角Bragg探测器的张角为±8°的锥形腔体....Billy Bragg's backing group.比利·布拉格的伴奏乐队Bragg weaves together the histories of his main characters.布拉...