查询词典 hatching

The results showed that there are two main fastigiums in death curve during the hatching penod, one is in 4-6 day and another is in 17-19 day. The rest embryo ages were divided into three phases by the two pinnacles and the difference of died embryo among three phases is not significant. The results in this paper is not incompletely consistent with commonly experience value.

结果表明，整个孵化期间，胚胎死亡主要有2个高峰，第1个高峰在孵化前期的4~6日龄，第2高峰期在孵化后期的17~19日龄，这2个胚胎死亡高峰期把剩下的各胚龄分为3个阶段：1~3日龄、7~16日龄、20~21日龄，这3个阶段的胚胎死亡皆差异不显著，本研究结果与一般经验值不完全一致。

Volume and hatching eggs from speaking is the best breeding age fish.

从其产卵量以及孵化率上来讲，都是最佳的繁殖鱼龄。

Million fresh water fries and 3 million Taihu Lake big whitebait roes will be put into the reservoir. 250 mu of breed fishponds and two hatching ponds around the reservoir will be built. 300 mu of piscinas and a frozen processing mill with a 50-tonne cold storage capacity will also be built.

睢宁县安庆水库管理所拟在水库内投放淡水鱼苗200万尾、太湖大银鱼卵300万粒，同时在水库周围建设250亩鱼种池和二个卵化池，开发浅滩地建设300亩鱼塘，并新建一座50吨冷库的冷冻加工厂。

The hatching rates of the eggs laid by ladybirds pretreated with 6 insecticides by two methods all reduced compared with that of control.

药剂处理异色瓢虫成虫后，其所产卵的孵化率和初孵幼虫的存活率均明显降低。

Hatching time is about 20 days in the lentic water at room temperature. The phase of the hatchling is heart beating stage in the natural environment. It would take two years to reach sexual maturity.

卵粒在室内静水中孵化所需时间约20d，孵出时期为心跳期，在自然环境中该蛙达性成熟所需时间为2年。

The two men arrested for allegedly hatching a harebrained plan to assassinate Barack Obama were described by family and friends Tuesday as more loudmouths than skinheads.

他们的家人和朋友星期二说，这两个因密谋暗杀Barack Obama而被捕的人，是说大话惹的祸，他们不是光头仔。

Mayflies, after hatching and then ending one to three years developing as naiads, live only one day as adults.

蜉蝣孵化出来后有1——3年作为稚虫生长，作为成虫只活一天。

Mayflies, after hatching and then spending one to three yearsdeveloping as naiads, live only one day as adults.

蜉蝣孵化出来后有1---3年作为稚虫生长，作为成虫只活一天。

It is said that the larvae of mayflies hatching in the water beyond, to continue to live in the water one to three years, and then climb up the grass on the surface, Tuiqiao become mayflies.

据说，蜉蝣的幼虫在水中孵化以后，要在水中继续生活一至三年，然后爬到水面的草上，蜕壳变成蜉蝣。

To isolate spermotogonia using two combinatorial enzyme three step wises digest the testicular tissues from 19 d-old-embryo after hatching,the cryopreserve effect of dimethylsulphoxide,glycerol and ethylene glycol cryoprotectants,each at(5%,10%,and 15%) concentration on the 19 d chicken embryonic SSCs was compared with fast freeze method.

采用二酶3步法获取孵化第19 d的鸡胚精原干细胞，比较在快速冷冻条件下3种冷冻保护剂(DMSO、乙二醇、甘油)在3个浓度5%、10%、15%条件下对鸡胚精原干细胞的冷冻保存效果进行研究。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。