Discovery, characteristics and significance of the Nyixung skarn iron-copper field in Coqên County, Tibet;
西藏措勤县尼雄矽卡岩型铁铜矿田的发现及地质特征与找矿意义
A simple and rapid high performance liquid chromatographic method has been developed for the determination of geniposidic acid and chlorogenic acid in the male flowers and related products of Eucommia ulmoides.
建立了利用反相高效液相色谱法(RP-HPLC)同时测定杜仲雄花及其产品中京尼平苷酸和绿原酸的方法。
The study concluded with some new findings on the quantity of male flowers and the seeds resulted from the female flowers.
通过观察9个黑杨派(Populus aigeirosDuby Section)无性系雌雄花的形态和结构及发育过程、果实及种子的形态和结构特征,播种试验种子发芽率,并进行比较分析发现:雄性无性系I-102(Populus×euramericana‘102/74’)、T26(Populus deltoides‘S307-26’)、T66(Populus deltoides‘PE-19-66’)和中菏1号(Populusdeltoides‘Zhonghe 1’)的成熟雄花序雄花可达80~100朵,每一雄花有雄蕊可达60~100枚,花粉量多,生活力高,是4个有性生殖能力强的无性系。