Britte were exposed to water deficit stress and low light intensity during flower bud differentiation and the levels of endogenous hormones and nucleic acids in their leaves were determined.
在干旱和弱光两种抑花处理条件下，对紫苏花芽生理分化期叶内核酸、内源激素含量变化进行了研究。
The development and differentiation of epithelial cells, especially of ciliated cells in the fallopian tubes of fetuses aged 10 ~ 38 weeks were studied by light and electron microscopy.
研究采用光镜和电镜技术观察了10 ~ 38周胎儿输卵管上皮细胞特别是纤毛细胞的发育和分化。
Conclusion: it is necessary and important to improve the quality of reports concerning quantitative analysis of syndrome differentiation of DM in light of the principles of clinical epidemiology.
结论：有必要采用临床流行病学研究方法以提高糖尿病量化辨证研究文献的质量。
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