查询词典 Silurus

Gill structure of southern catfish , Silurus meridionalis\.

但学明，张耀光，谢小军。南方鲇鳃的光镜和扫描电

The acute toxicity effects of six kinds of drugs(Cupric sulfate, Trichlorfon, Formalin, Potassium permanganate, Acidum trichloroisocyanuras and Chlorinae dioxydum) on Silurus asotus Fries with body length of 1.5~2.0cm were studied in lentic condition at room temperature.

使用常温静水试验法，探讨了硫酸铜、敌百虫、福尔马林、高锰酸钾、强氯精、二氧化氯等6种药物对鲇鱼苗（体长1.5~2.0cm）的急性毒性效应。

The combination of photosynthetic bacteria,lactobacillus and the EM was found to be most effective after selective experiments, and the suitable proportion was 25:25:1 with dosage of 0.017%. 3. Effect of the biotechnology method.(1) The aquatic animals and plants selected were: Silurus spp, white crucian, carp, Java tilapia, field snail, swan mussel, turtle, bulrush, Eichhornia crassipes Solms, Alternanthera philoxeroides, Trapa incisa Sieb.

单独使用有效微生物群对废水进行处理时，其最佳添加量为0.003％；③使用有效微生物群和分离的光合菌、酵母菌和乳酸菌进行的最佳微生物制剂组合试验，确定了光合菌+乳酸菌+EM为最佳微生物制剂组合，合适比例为25：25：1，且添加量为0.017％。

The pH values of the gastric juice, the bile and the intestinal juice are 5.5~6.5, 6.5~7.0 and 6.5~7.5 in silurus meridionalis respectively and 5.6~6.5, 6.5~7.0 and 6.0~7.0 in Leiocassis longirostris.

本试验测得南方大口鲶胃内、胆汁和肠内pH分别为5.5~6.5，6.5~7.0，6.5~7.5 ，长吻鮠胃内、胆汁和肠内pH值分别为5.0~6.5，6.5~70，

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。