面盘幼虫

抗生素对栉孔扇贝面盘幼虫半致死浓度的初步试验

Preliminary Test on the Effect of Antibiotic on the Lethal Concentration 50 % of Veliger Larva of Chlamys farreri

非烃主要形成于早期阶段。胃出现于面盘幼虫早期；

They are main source rocks of coal type gas in high evolution stage . Stomach forms in early veliger .

方差分析结果表明：Cr、Cu、Zn、Fe四种元素对海湾扇贝面盘幼虫壳长增长影响差异极显著，Se差异显著，而Mn则差异不显著；

The result indicated : the differences of the effects of Cr , Cu , Zn and Fe on shell length growth were very notable , Se was notable while Mn was not notable ;

采用组织化学的方法对虾夷扇贝从卵细胞到D形面盘幼虫内的酯酶（NSE）和过氧化物酶（POD）进行定性定位研究。

The non-special esterase ( NSE ) and the peroxidase ( POD ) were studied in the embryo and early larva of scallop Patinopecten yessoensis by histochemical localization method .

在水温28.5℃条件下，面盘幼虫孵化时间为72h，孵化率为93.8%。

Under 28 . 5 ℃ , the veliger larvae are hatched after 72h , with a hatch rate of 93 . 8 % .

水温18～26℃，20.5～240h胚胎发育到面盘幼虫，孵化率达94%。

At water temperature 18-26 ℃, it takes 20.5-24 h for the embryo to develop into veliger larvae with a hatching rate of 94 % .

发酵型蛋奶的研制开发胃出现于面盘幼虫早期；

The Development of Yogurt - with - egg Stomach forms in early veliger .

太平洋牡蛎面盘幼虫不同饵料的投喂比较

Different Bait Feeding Comparison for Crassostrea gigas Larvae

肠出现于面盘幼虫早期；

Intestine also formed in early veliger .

肠出现于面盘幼虫早期；处理大蜡螟5龄幼虫。

Intestine also formed in early veliger . on the energetic contents in hemolymph of 5th larvae of Galleria mellonella was presented .

采用四种单胞藻的不同种类及投喂密度的组合方式，对太平洋牡蛎面盘幼虫的饵料效果做了对比试验，结果表明：单一品种投喂宜选用等鞭金藻；

We made comparison trial for bait effect on Crassostrea gigas larvae with four kinds of algae of different breed and feeding density .

长牡蛎育苗期间经常出现面盘幼虫生长参差不齐现象，影响单位水体出苗量。

There was a great variation in growth of oyster Crassostrea gigas during artificial seedling , which leads to low survival of the spats in unit volume of water .

研究了后期面盘幼虫不同采苗密度、不同底栖硅藻与稚鲍不同培育密度，对鲍苗的生长与成活率的影响。

The paper reported the effects of the different seed-collecting density of the post veliger , the different benthic diatom and the different rearing density of the juvenile abalone on the growing and survival rate of the juvenile abalone .