幼虫的

Objective To find out the specific diagnostic antigens in excretory-secretory products from muscle larvae of Trichinella spiralis.

目的 寻找旋毛虫肌幼虫排泄分泌物中的特异性诊断抗原。

Complementary DNA encoding 49KD ES antigen of Trichinella spiralis muscle larvae was cloned in E.coli by recombinant DNA technology.

应用DNA重组技术将编码旋毛虫肌幼虫49KDa抗原的基因克隆于大肠杆菌中。

By the first time, We discussed systermly the various factors affected the cultivation in vitro of the Larva in muscle of canine Trichinella in the research.

本试验首次系统地探讨了影响犬旋毛虫肌幼虫体外培养的多种因素。

The data indicated that the survival rates of unspread leaves are higher than that of mature leaves from larval stage to adult stage, and were 81% and 77% respectively.

统计表明：从幼虫到成虫整个阶段的存活率心叶较成熟叶片高，分别为81%和77%，椰心叶甲完成一个世代在心叶上需要58.54 d，在成熟叶片上需要52.92 d。

On the basis, silkworm vasa gene has been studied by in situ hybridization on gonads.

结果表明，家蚕vasa基因在幼虫期只在生殖系相关的细胞和组织中表达(如精原细胞，精囊，卵巢管等)，而在其它组织细胞中不表达。

Methods Fresh feces samples of animals' and Xylocopa dissimilis were collected. We used four media to isolate the actinomycete.

采集大熊猫、斑马和竹鼠的新鲜粪便及竹虫幼虫，用4种培养基分离放线菌。

Any of various insects that deposit their eggs in plants causing galls in which the larvae feed.

把卵产在植物中的各种昆虫，生成胆汁作为幼虫食物。

The biological character of the cotton bollworm suggested that it had 3 generations a year, and hibernates with pupa, its larva did harm to the browse, group top, top, tip, flower and boll, the harmful period was about 70 days.

棉田棉铃虫的生物学特性结果表明：棉铃虫在棉田一年发生三代，以蛹越冬，越冬代成虫始见期6月19日，9月中下旬老熟幼虫落入土中化蛹越冬。

Moth whose larvae live in and feed on bee honeycombs.

幼虫生活在蜂窝中并以蜂窝为食的蛾子。

Adult worker hornets feed the masticated prey flesh to the larvae .

成年工蜂用咀嚼过的掠食喂养幼虫。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。