查询词典 reproductive

Objective To explore the effect of dichlorvos and omethoate exposure on reproductive cells of male animals and to provide the scientific evidence for the integrated precaution and protective measure of the agricultural byproduct pollution.

目的 探讨敌敌畏和氧乐果染毒对雄性动物生殖细胞的毒性作用，为有机磷农药对农副产品污染的综合防治提供科学依据。

Diestrus: Lasting 60 to 90 days, diestrus is the period when the reproductive tract is under the control of the hormone progesterone.

发情间期：这段时期持续约 2-3 个月。发情间期，母犬生殖系统处于妊娠激素的调控之下。

Exposure to toxins such as dioxin, which can affect the male reproductive system, and stress have

造成这一结果的原因可能就是接触诸如二氧芑之类的毒素(这些毒素会影响男性的生殖系统)，及生活压力所致。

For years, scientists have been finding that endocrine disrupters like BPA can impair the reproductive organs of rats and mice, reduce sperm counts in rats, and bring about changes in tissue that resemble early-stage breast cancer, among other effects.

多年以来，科学家们已经发，像BPA这类内分泌干扰素可以损害家鼠和野生老鼠的生殖器官，降低精子质量，引起某些组织的变异导致早期乳腺癌，甚至还有其他一些不利影响。

For years, scientists have been finding that endocrine disrupters like BPA can impair the reproductive organs of rats and mice, reduce sperm counts in rats, and bring about changes in tissue that resemble early-stage breast cancer, among other effects... Normal wear-and-tear and cleaning of polycarbonate plastic bottles in a dishwasher, Hunt says, could cause the chemical to leach, and the amount of leaching increases as the plastic ages and is degraded by use.

多年以来，科学家们已经发，像BPA这类内分泌干扰素可以损害家鼠和野生老鼠的生殖器官，降低精子质量，引起某些组织的变异导致早期乳腺癌，甚至还有其他一些不利影响……聚碳酸酯塑料瓶的日常磨损和在洗碗机中的清洗，会导致化学物质的滤出，Hunt博士说，而且随着他们的老话和使用磨损，滤出的化学物质会越来越多。

Through reviewing the reproductive toxicity of some major environmental chemical pollutants, including endocrine disrupters, organic phosphor and chlorine pesticides, organic solvents, and some metals such as lead, cadmium, mercury, manganese, the paper finds that all these ECPs have different extents of toxic effects to experimental auimals on procreation, gestation and even on offspring, some of which have been evidenced by the population epidemiological studies.

本文通过对邻苯二甲酸酯类和双酚A等内分泌干扰物、有机磷和有机氯农药、常用有机溶剂以及常见金属的生殖毒性研究的综述，发现它们均在不同程度上造成对实验动物的生殖毒性、妊娠毒性以及对子代的毒性影响，其中部分在人群流行病学研究上得到证实。

Researchers warn that aggressive germicides and antibiotics can act as endocrine disrupters and exposure to them may lead to early puberty, reproductive issues and breast cancer.

加州宝宝洗手液既安全又有趣，调查警告过于强劲的杀菌剂和抗生素能让内分泌紊乱，表面接触过多可能会性早熟，生物争论和乳癌。

Experts believe that: obese children accumulate excessive fat will erode the pituitary gland, so that the posterior lobe of the pituitary gland fat, discourage gonadotropin and growth hormone production, thus seriously jeopardizing the growth and development of children and adolescents, reproductive development and sexual maturation.

专家认为：肥胖儿童体内蓄积的过量脂肪会侵蚀脑垂体，使脑垂体后叶脂肪化，阻碍促性腺激素和生长激素生成，从而严重危害青少年儿童的生长发育、生殖发育和性发育成熟。

F951 distributes extensively into tissues,but the relative affinity varies enormously, being higher for kidney, liver, spleen and bone marrow and lower for heart, lung, brain, intestine, skin, fat and reproductive gland. At about 2 hours postdose, the concentrations of F951 reached the maximums and began to reduce slowly.

结果显示，F951在小鼠体内的分布不均匀，在肾、肝、脾、骨髓中分布浓度明显高于其它器官，在给药后8小时内单位重量组织中的F951含量教高，以后开始缓慢下降；F951在小鼠的心、肺、脑、肠、皮肤、脂肪、生殖腺中也有低水平的分布。

Interactions of fire cycle and plant species reproductive characteristics could determine vegetation distribution pattern of a landscape.

火灾周期的长短和森林树种的繁殖特点，在很大程度上决定着北方森林的植被分布格局。

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。