生育的

Gestational and lactational exposure to endosulfan did not show any demasculinizing or feminizing effect in rats, and sperm production and fertility of the male offspring were not affected.

大鼠孕期和哺乳期经口接触硫丹，没有引起雄性子代的雌性化，也不影响雄性子鼠的生精功能和生育力。

Results Semen leucocytic density and nitric oxide l...

结果 白细胞精子症不育组白细胞的密度为(1.4 8± 0 。90 )× 10 9/L ，NO水平为(10 3.5± 2 。0 )μmol/L ，显著高于正常生育组的(0 。73± 0 。2 8)× 10 9/L和(41.6± 1.8)μmol/L (P分别为。0 5和。0 0 1)。

Amblycephala is composed of 13 metacentric chromosome pairs, 9 submetacentric chro-mosome pairs and 2 subtelocentric chromosome pairs, which can be expressed as 26m + 18sm+ 4st.

随着鱼类杂交育种研究的深人，染色体的组型研究也逐渐应用于预测杂交成功与否、杂种能否正常生育等方面。

Research shows that girls in single-parent families are at greater risk for teenage marriage, nonmarital birth, and divorce than girls in two-parent families---and that this is true regardless of race or income.

研究表明，单亲家庭的女孩比双亲家庭的女孩更可能未成年就结婚，非婚生育，更易于离婚——·不管她们是何种肤色，收入如何，情况都是如此。

This trial enrolled 102 nulliparous women at 36 to 41 weeks gestation with a singleton, cephalic-presenting fetus and ruptured membranes without evidence of labor.

这项试验登录了102 名36 到41 个星期怀孕、从未生育过的妇女，她们怀有单胞胎、且胎儿呈现头部生产位置，且羊膜破裂而无分娩的迹象。

Macrosomic infants are 2-3 times more likely to be born to parous women.

C。产次经产妇生育巨大胎儿的可能性是初产妇的2-3倍。

Macrosomic infants are 2-3 times more likely to beborn to parous women.

C。产次经产妇生育巨大胎儿的可能性是初产妇的2-3倍。

The most prepotent Yo that the frame that the article uses a parents and children to be contacted through altruism will come to analyse a family chooses.

本文使用一个父母与子女通过利他主义联系的框架来分析家庭的最优生育选择。

DBP might reduce the procreant ability and bring out genotoxity effect on male Drosophila melanogaster.

DBP对性成熟的雄性果蝇能造成一定的生育障碍和遗传损伤。

"It's unethical to experiment with these chemicals on people," says Shanna Swan, director of the Center for Reproductie Epidemiology at New York's Uniersity of Rochester.

&在人们身上进行这些化合物的实验是不道德的，&纽约大学法医学生育流行病学中心主任Shanna Swan说。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。