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- Embryology The study of the development of embryos, usually from fertilization. 胚胎学:是研究胚胎发育的学科,通常从受精开始。
- The development of embryos from diploid somatic cells in embryo culture. 是胚胎培养过程中,二倍体细胞发育为胚胎的过程。
- Genesis of megaspore and development of embryo sac in Carica papaya L. 番木瓜的大孢子发生与胚囊发育。
- The development of embryo sac in Prunus americana Marsh var. is often abnormal. 鸡心李(Prunus americana Marsh var.;)
- Both of the peak accumulations of starch grains supply material and energy for the development of embryos. 淀粉的两次积累高峰为体细胞胚的发育提供了物质和能量基础。
- The growth and development of embryos will directly affect the quality of human life and that of an entire nation. 胎儿的成长、发育状况直接影响着人类生命质量和一国国民素质。
- This paper gives some details about the development of embryo in Lygodium japonicum(Thunb. 利用石蜡切片法研究了海金沙胚胎发育过程。
- This paper gives some details about the development of embryo in Lygodium japonicum (Thunb.) Sw. using the method of serial sections. 摘要利用石蜡切片法研究了海金沙胚胎发育过程。
- The development of embryo and endosperm and its influence on the germination of seeds of Bupleurum chinense were studied by means of paraffin section. 利用常规石蜡制片技术对北柴胡胚和胚乳的发育及对其种子萌发的影响进行了观察。
- The variations in the ratio of IAA/ABA,ABA/GA3,ABA/iPAs were distinct,showing that the balance of hormones was critical to regulating development of embryo. 同时,3个材料IAA/ABA、ABA/GA3和ABA/iPAs的比值变化趋势差异明显,说明内源激素动态变化及它们之间的比例平衡与西瓜胚胎败育有着密切联系。
- The development of female flower, megasporegensis and the development of embryo of Fraxinus mandshurica were observed by the paraffin sectioning method. 用石蜡切片法对水曲柳雌花发育、大孢子发生及胚胎发育的过程进行了解剖学观察。
- Rate of cell division and number of embryo and endosperm cells in normal development of crossed seed were slower in comparison with those in selfed seed. 杂交发育正常种子之胚细胞及胚乳细胞分裂速度及分裂细胞数目均不如自交者。
- The development of embryo sac is Polygonum type.The two polar nuclei fuse before fertilization and the the three antipodal cells degenerate soon after fertilization. 胚囊发育为蓼型,两只极核于授精前融合,三枚反足细胞于授精作用之后退化。
- He tracked out the course and development of it. 他根据遗迹探索出该事物的进程和发展。
- The formation and development of embryo sac in the diploid and its autotetraploid of rice cultivar IR36 was examined using Laser Scanning Confocal Microscopy. 摘要利用激光扫描共聚焦显微镜术对水稻品种IR36二倍体及其同源四倍体的胚囊形成和发育过程进行了系统的研究。
- The laval council finance the development of the marina. 开发小船坞的资金是由当地议会提供的。
- The book traces the development of philosophy. 该书追溯了哲学的发展过程。
- This has perverted the development of that country. 这使该国的发展走上了邪路。
- The primary endosperm nucleus division was often prior to zygote, and it divided quickly.The endosperm cells surrounding the embryo were disintegrated during the development of embryo. 初生胚乳核先于合子分裂,胚乳细胞分裂较快,胚周围的胚乳细胞有降解现象。
- The functional megaspore develops into an embryo sac of Polygonum type , so the development of embryo sac is of the Polygonum type. 功能大孢子经单核胚囊,2核胚囊,4核胚囊,8核胚囊形成成熟胚囊。