Using calcium chloridize and sodium phosphate dibasic, this paper synthesizes hydroxyapatite having hexagonal system at 40 ℃.本文以氯化钙和磷酸氢二钠为原料,在40℃温度下合成了具有六方晶系的羟基磷灰石....
菌体稠密地长满了一小块高度局限的特化的基质上.A highly localized, specialized piece of substrate is densely overgrown.这种现象在许多特化的 虫媒花 中较常见,尤其是通过蜜蜂传粉的花.It helps to promote cross - pollination and is often combined with self - incompatibility.七鳃鳗...
He was transferred to FBI custody in a smooth co-operative effort between Egyptian and US authorities...在埃及当局和美国当局的共同努力下他被顺利移交美国联邦调查局进行羁押。The Bath & Spa collection features towels and bathrobes made of fluffy absorbent E...