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第 l期小鼠冻胚分割试验………………………………………………………………………张 涌 王建辰(1)弗兰克氏菌nifH及nifD基因的定位……………………………………曾王勇 崔玉海 柏学亮等(5)KCl煮沸法浸取石灰性土壤可矿化氮存任的问题及改进…………………李生秀 晋 艳 高小妮(
The first embryo frozen embryo segmentation test ................................................................................................. Zhang Yong Wang Jianchen (1) Franklinus nifH and nifD gene Zeng Wangyong Cui Yuhai and Bai Xueliang et al. (5) Problem and Improvement of KCl Boiling Method for Leaching Calcareous Soil Mineralizable Nitrogen ..................................................... Li Shengxiu Jin Yan Gao Xiaoni (