查询词典 sperm-nucleus

Sex selection by manipulating the conditions of sperm-oocytes fertilization would be one of the most practicable and widely used methods.

控制受精环境即可控制性别，这种方法不需昂贵的仪器设备或者药品，易实践，可普遍应用，其经济效益和社会效益难以估量。

So it is pure chance whether the sperm and the egg carry the mutated gene or the normal one.

所以这是纯粹的机会，是否精子和卵子进行基因突变或正常1。

Objective To identify the effects of overtraining on human sperm DNA.

目的 探讨过度训练是否对人精子DNA产生影响。

For centuries, this rather disgusting substance produced in sperm whales'' intestines was used by perfumeries to stabilize various scents.

数个世纪以来，这种在抹香鲸肠道中分泌出来颇为令人作呕的物质，被香水制造商用来稳定各种香气。

Checks for HIV require the sperm to be frozen and quarantined for at least six months.

检查艾滋病毒，需要的精子将被冻结，并隔离至少为六个月。

At present, the only "living" things that are regularly frozen and then reanimated are embryos and sperm.

目前，经过常规冷冻后能复苏的&活体&只有胚胎和精子。

Sexing technology is a very important research projects and directions in animal reproduction biology which can control the sex ratio by sperm or embryo sex determination.

性别控制技术已经成为繁殖生物学中重要的研究课题和研究方向，哺乳动物的性别控制是指通过对精子或胚胎的性别鉴定以达到调控子代性别的目的。

Technique of sexual semen with H-Y sperm immunity and sexing control immunity for early embryo on improving animal reproduction was discussed in this review.

H-Y精子免疫法性别化精液技术、早期胚胎性别控制免疫技术等在提高动物繁殖力方面的重要作用。

They announced in the proceedings of the National Academy of Sciences that they had removed sperm - producing cells from mice and exposed them to a virus that shuttled in a new gene.

他们在《全国科学院学报》上宣布，他们从老鼠身上取出产生精子的细胞，将它们接触存在于一种新基因里的病毒。

The more a male squeezes, the greater the chance that it will be his sperm that sires her offspring.

研究人员还认为，雄蜘蛛的挤压动作能促使精子进入雌蜘蛛体内更深处，这更有可能令雌蜘蛛卵子受精。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐