larval的例句大全

The current treatment for river blindness is the drug ivermectin, which kills larval parasites but not the adult worms.

目前治疗盘尾丝虫病的手段是使用一种叫做伊维菌素（ivermectin）的药物，它杀死幼虫，但是对成虫无效。

The median lethal time ( LT50) of the GV was shortened with the increase of the virus concentration and the decrease of the larval instar, during which the GV was fed.

幼虫饲毒后，致死中时（LT（50））随病毒浓度提高而缩短；随饲毒时虫龄的增大而延长。

Classification and analysis of family system of haller's organs of DERMACENTORS in larval by using mixed model

利用混合模型对革蜱幼虫哈氏器分类及对其进化谱系树的估计

The results showed that a suitable amount of vitamin B12 may evidently promote the larval growth and increase its survival rate.

结果表明，适量的维生素B（12）可明显地促进仔虾的生长，并可提高仔虾的存活率。

In both CDNB or GSH as substrate, the GSTs Km value of larval stage were significantly lower than those in the pupa and adult stages, while there were no significant difference among three development stages of GSTs Vmax.

无论以CDNB或GSH为底物时，桔小实蝇幼虫期GSTs的Km值均显著低于蛹和成虫期，而3个发育阶段间GSTs的Vmax无显著性差异。

The initial larval feeding rates fell to 50% of the tiptop initial feeding rate, the larvae entered the PNR, which appeared on the 8~ 9 days after hatching.

当初次摄食率降至最高初次摄食率50%时，仔鱼进入不可逆期，不可逆点出现在仔鱼孵出后第8～9天。

StUdy on the Larval Cultivation of Penaeus monodon In Lower Water temperature

低温条件下培育斑节对虾幼体的研究

Numerical cladistic method was used for analyzing the phylogeny of ladybirds, based upon adult and larval characters.

根据成虫和幼虫的特征，应用数值支序方法探讨瓢虫科的系统发育。

The biological characteristics such as morphology, distribution, feeding, reproduction and larval and juvenile development, and the artificial breeding technique of cobia ( Rachycentron canadum) were illustrated simply in the paper.

简要介绍了军曹鱼（Rachycentron canadum）的形态、分布、食性、生殖、胚胎和仔稚鱼发育过程等生物学特性以及军曹鱼苗种繁育的技术工艺。

Development of the digestive system in larval, juvenile and young Turbot Scophthalmus maximus

大菱鲆仔稚幼鱼消化系统发育的组织学研究

Pilot Studies on Biology of Early Larval Development and Feeding Behavior in Jellyfish, Rhopilema Esculenta

海蜇（Rhopilema esculenta）早期幼体发育生物学及摄食运动行为的初步研究

Larval shrimp and crab could also be fed from 13 DAH. There was significant difference in food selective indexes between the two stages.

从13日龄开始摄食虾、蟹类幼体等大型浮游动物，两个阶段的食物选择性指数存在显著差异。

Field tests showed that females gnawed significantly fewer oviposition scars on Pinus massoniana trees treated with hexane extracts of larval frass than on the control trees.

林间驱避试验结果说明，幼虫虫粪的己烷提取物处理过的树干上的刻槽数明显少于对照树干上的刻槽数，二者具有极显著差异；

The main symptom of larval is dullness and weakness.

幼虫呆滞疲软为主要病状。