常見例句Fluorin can avoid brown striation and whiten skins. 氟能消除褐色斑,使皮膚變白。Dalian Botai fluorin Materials Co.Ltd. 大連博泰氟材料有限公司。Fluorin element is one of 14 necessary trace elements in body. 氟是人體必需的14種微量元素之一。Modification of CoMo/TiO_2 Al_2O_3 Catalyst by Gas Phase Fluorination? CoMo/TiO_2-Al_2O_3催化劑的氣相氟化改性A heavy-duty magnetic stirrer, such as Cole-Parmer model is needed during the fluorination. 在氟化過程中需要用一架大功率的電磁攪拌器。Polyethylene glycols can be used as effective phase transfer catalyst in halogen exchange fluorination. 聚乙二醇可作為鹵素交換氟化反應(yīng)有效的相轉(zhuǎn)移催化劑。 返回 fluorination