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- CYTOLOGICAL OBSERVATIONS ON EMBRYO SAC AND FERTILIZATION IN PRUNUS AMERICANA MARSH VAR. 鸡心李胚囊及受精的观察
- Cytological observations on some species of Dryopteris and Polystichum from China. 一些中国产鳞毛蕨属和耳蕨属植物的细胞学观察.
- The cytological observations of calli of immature embryos and root-tips of plantlets were carried out. The result showed that most of their chromosome numbers were 2n=28 and that their variation rates were 33.04% and 12.9% respectively. 对幼胚愈伤组织和再生植株根尖进行了细胞学观察;绝大多数染色体数目为2n=28;变异率分别为33.;04%25和12
- Cytological observation of cytoplasmic male-sterile anther of brown cotton. 棕色棉细胞质雄性不育花药的细胞学观察。
- Cytological observation on the fertilization process in Scophthalmus maximus L. 大菱鲆受精过程的细胞学观察。
- Cytological observation on Cryptotaenia japonica in relation to its taxonomical significance. 鸭儿芹的细胞学观察及分类意义的探讨.
- As a result of cytological observation,there are about 33%pollen mother celles that the behavior of meiotic division is abnormal. 细胞学观察发现约33%25的花粉母细胞减数分裂过程异常。
- The results of cytological observation showed that the abnormal feature of pollen development appeared at binucleate stage.The starch was failed to accumulated in pollen and lead to mature sterile. 细胞学观察T0代转化植株花粉从单核到成熟发育过程,结果表明花粉育性下降的原因主要是由于二核期花粉发育淀粉粒累积受阻所致。
- Cytological observations on artificially induced gynogenesis in Chlamys farreri 栉孔扇贝人工雌核发育的细胞学观察
- All his observations were short and to the point. 他的观察报告都很简单扼要。
- She made one or two observations about the weather. 她说了一两句关於天气的话。
- I have a few observations to make on your conduct. 我对你的行为有一些看法要说。
- What can you conclude from these observations? 你从这些观察中能得出什么结论?
- Karyotype analysis and cytological observation of mitosis in pasqueflower 白头翁的核型分析和有丝分裂的细胞学观察
- Cytological Observation of Cytoplasmic Male Sterile Line GDS in Maize 玉米GDS细胞质雄性不育系的细胞学观察
- Cytological observation on double fertilization of autotetraploid rice 同源四倍体水稻双受精过程的细胞学观察
- He's just published his observations on British bird life. 他刚发表了英国鸟类生活观察报告。
- cytological observations 细胞学观察
- His telescopic observations are justly immortal. 他的望远镜观察结果当然是不朽的。
- What can be concluded from these observations? 从这些观察中能够得出什么样的结论呢?