Chitin and chitosan have been prepared by the methods of EDTA and HCl with the shell of shrimp and Squilla Oratoria as raw materials.

以虾壳和虾蛄壳为原料分别采用EDTA法和盐酸法制备了甲壳素和壳聚糖。

Objective: To investigate the flavor substances in Portunus trituberculatus and Squilla Oratoria that came from Bohai Sea place of production.

目的：利用固相微萃取技术分析渤海产地三疣梭子蟹和口虾蛄肌肉中的风味化合物。

The infant squilla can adapt to a lower limit salinity of sea water (specific gravity 1. 005) than the larva at third stage (specific gravity 1. 010), water temperature 28- 30℃

仔虾蛄比底栖阶段的伪蚤状幼体对低盐度的适应能力强，前者海水相对体积质量耐受低限为1．005，后者为1．010（28～30℃）。