holmium oxide glass standard是什么意思

用法例句

Uranium standard glass used for fission track calibration;

用于裂变径迹刻度的国产铀标准玻璃

Crystal of nitrate,made by the reaction of holmium trioxide and nitric acid,was dissolved in distilled water,thus diluted into gradient solution.

运用氧化钬与稀硝酸反应制备结晶,以去离子水溶解并且稀释成梯度溶液,对蚕豆根尖染毒6h,分别修复培养22h和24h,观察根尖变化,统计微核率、染色体畸变率及有丝分裂指数。