对鸭肝炎鸡胚化弱毒株MY接种4日龄雏鸭后的组织变化进行了动态观察比较研究。
The dynamic changes of tissue structure in 4 days old ducklings which were infected with chicken embryo attenuated strain MY of duck hepatitis virus were observed.
通过对2，4-D浓度及生长发育时间的控制获得了高度同步化的各发育阶段体胚材料。
Synchronized embryogenic cultures at different developmental stages were obtained by controlling 2,4-D concentration and developmental time.
研究固定化碱性蛋白酶的部分性质及水解麦胚蛋白质条件。
Then the immobilized alkaline protease were characterized and the hydrolysis condition of wheat germ protein with it were optimized.
将646枚2 ~4细胞期重构胚移植到38只同期化及非同期化的受体后无幼仔出生。
When 646 reconstructive embryos in 2-4 cells were transferred into 38 recipients under synchronous and asynchronous, no child was born.
方法取11~36周人胎肺组织常规石蜡包埋切片，HE染色观察胚肺各个发育阶段的成熟度，免疫组化检测SP-D时相性表达特征。
Methods Human fetal lung tissues from 11- to 36-week-old fetuses were assayed for lung maturity with HE staining and SP-D expression by means of immunohistochemistry.
目的观察衰老的人胚肺二倍体成纤维细胞(2bs)对烷化剂甲磺酸甲酯(MMS)诱导的DNA损伤的应答。
Objective to explore the cellular response of human senescent diploid fibroblasts (2bs) to the DNA damage caused by methyl methanesulfonate (MMS).
以酿酒葡萄品种“神索”的体细胞胚为试验材料，研究了干化对体细胞胚的保存效应。
The effects of desiccation on the preservation of the somatic embryo from wine grapevine Sinsaut were studied.
球形胚晚期吸器自珠孔端向合点端逐渐细胞化。
The haustorium cellularizated from the micropylar end to chalazal end at the later globular stage.
基于能量平衡方程建立了热烟气层轰燃模型，经量纲归一化和微分同胚变换，得到属于燕尾突变的势函数。
A catastrophe potential function, which has the same form of swallowtail catastrophe, was obtained by dimensional normalization and diffeomorphism.
结果表明，纳米颗粒在界面处的吸附可减小核化的平衡胚泡半径，降低沸腾核化势垒，有利于核化的发生。
The results showed that nanoparticles accumulation at the vapor-liquid interface decreased embryo bubble radius and the potential barrier of nucleation, facilitating liquid nucleation.
石楠的组织培养以石楠的新梢茎段、种胚和叶片为材料，主要探讨组织培养过程中各种最佳培养基、组织培养条件及组织培养过程中存在问题如外植体污染、褐化等问题的解决方法。
Using the fresh shoots, seed and leaves as the materials, the optimal medium and culture condition are studied, finding the methods to solve the matter of explants pollution and browning.
去核时卵母细胞质剩得过少可导致移核胚过早（6-细胞期）发生致密化或形成内细胞团细胞数目较少的小囊胚；
Too much reduction of the cytoplasmic mass at enucleationled to premature compaction of the nuclear transplant embryos at 6-cell stage or the formation of small blastocysts with few ICM cells;
去核时卵母细胞质剩得过少可导致移核胚过早（6-细胞期）发生致密化或形成内细胞团细胞数目较少的小囊胚；
Too much reduction of the cytoplasmic mass at enucleationled to premature compaction of the nuclear transplant embryos at 6-cell stage or the formation of small blastocysts with few ICM cells;
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