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- The revertant, when still heterogenous,segregated into male fertile and complete male sterile plants in a ratio of 3:1. 育性基因未纯合的突变体分离出可育株和完全不育株,比例为3:1;
- The processes of meiotic division of pollen mother cells were compared between male sterile plants and male fertile ones. 摘要以萝卜雄性不育株与可育株为试材，比较研究了不育与可育花粉母细胞的减数分裂过程。
- Observe the effect of BKYS on LLSN and LLSA.Study the relationship of dose to effect.Explore it's functional mechanism,and the nutrient effects for male fertile system. 观察本药对于精子计数不足，活力低下的疗效及剂量的关系，探讨其作用机理及对男性生殖系统的保健作用。
- In accordance with Multiple Allele Hypothesis, new AB lines type I, temporary maintainer line and male sterile lines of male fertile hne92-11 were obtained by cross between male sterile lines and male fertile line92-11. 根据复等位基因遗传假说，利用现有大白菜雄性不育系，将核不育复等位基因向可育品系92-11转育获得了成功，得到了具有92-11遗传基础的新甲型两用系、时保持系和雄性不育系。
- Thirdly, using RAPD technique to amplify DNA of the AALY001 NMS two lines, one specific marker NMSOPM09500 was obtained in the male fertile line but without in the male sterile line. 最后,选择万寿菊核不育两用系AALY001为材料,对雄性不育株和可育株进行扩增,得到了一条在不育株中缺失,在可育株中出现的稳定的特异标记NMSOPM09500。
- Luminal acidification in the epididymis is an important process for the regulation of male fertility. 附睾管腔内酸化是调控男性生育的重要过程。
- When mating, the female deposits her eggs into his pouch, and the male fertilizes them internally. 当交配时，雌性存放她的卵子到他的小袋，和雄性使肥沃它们在内部。
- Paulson JD, Negro-Vilar A, Lucena E. Andology (Male Fertility and Sterility). London: academoic press, inc 1986,332. 郭应禄;李宏军编.;男性不育症
- Ureaplasma urealyticum and Chlamydia trachomatis were known, because those infections affect the male fertility. 解脲支原体、沙眼衣原体对男性生育力的影响已经受到关注。
- The sperm protamine could be an important parameter in the assessment of male fertility. 精核蛋白可作为临床评价精子生育力的重要指标。
- Inhibin B is directly relevant to spermatogenesis of the testis and can be viewed as a valuable marker to assess male fertility. 抑制素B能直接反映睾丸的精子发生,可作为临床评价男性生育力的重要指标。
- Chemicals found in many food, cosmetic and cleaning products pose a real threat to male fertility, a leading scientist has warned. 一位领导科学家警告道，很多食物里、化妆品和清洁品里存在的化学物对雄*可育*是个威胁。
- Selenium may also have a role in mammalian development, in male fertility, in immune function and in slowing the aging process. 硒可能也有在哺乳动物的发展过程中的一个角色，在男性肥沃方面，用免疫的功能和在降低老化的过程过程中。
- There are fertile fields in the Nile Delta. 尼罗河三角洲土地肥沃。
- The plains of Alberta are extremely fertile. 艾伯塔平原极其肥沃。
- Discussion:As the seminiferous tubules of testis play a crucial role in spermatogenesis,calcificationof the said tubules certainly affects male fertility. 讨论:睾丸精细管在精子的生成过程中起着十分重要的作用,该处发生病变钙化必然影响生孕能力。
- Dr Allan Pacey， senior lecturer in andrology at the University of Sheffield， said there had been a lot of interest in cycling and male fertility but results had been mixed. 谢菲尔德大学男科资深专家艾伦。佩西博士说，与骑车和男性生育能力相关的研究很多，而结果也是众说纷纭。
- Most chicken eggs are not fertile. 多数鸡蛋未受精。
- The fields hereabout are fertile. 这一带的土地很肥沃。
- I have been a male chauvinist pig, I admit it. 我承认我是个大男子主义者。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
