您要查找的是不是：
- Piperonal fluorine 胡椒基荧光酮
- It is a compound of aluminum, silica, and fluorine. 它是铝、硅和氟的化合物。
- A binary compoundof fluorine with another element. 氟化物氟与其他元素组成的二元化合物。
- Fluorin can avoid brown striation and whiten skins. 氟能消除褐色斑,使皮肤变白。
- CFCs are chlorine, fluorine and carbon polymer. 含氯氟烃是氯、氟及碳的聚合物。
- A binary compound of fluorine with another element. 氟化物氟与其他元素组成的二元化合物
- Dalian Botai fluorin Materials Co.Ltd. 大连博泰氟材料有限公司。
- Products containing piperonal have been obtained by electrolysis. 分析结果表明,电解产物中含有胡椒醛。
- Under the condition, the yield of piperonal could reach 91%. 在此条件下实际合成洋茉莉醛产率为91%25。
- The fluorine does not accumulate indefinitely in the water. 氟不会在水里无限制地积累。
- If the fluorine content is high, it may increase plant corrosion. 如果氟的含量高，会加剧设备的腐蚀。
- Type 26 fluorine rubber is polymerized by VDF and HFP. 26型氟橡胶是由偏氟乙烯（VDF）和六氟丙烯（HFP）聚合而成。
- Fluorine is the most electronegative of all elements. 氟是电负性最强的元素。
- What effect does sanded star of left oxygen fluorine have? 左氧氟沙星有什么作用？
- The system, made by Linde, splits hydrogen fluoride into fluorine. 这个系统，由林德集团制造，能将氟化氢分解成氟气。
- Fluorine is another mineral that is often found in water. 氟是水中常常发现的另一种矿物质。
- Fluorine carbon coating of our country is fast growi ng . 我国氟碳涂料的发展十分迅速。
- Fluorin element is one of 14 necessary trace elements in body. 氟是人体必需的14种微量元素之一。
- Methods: Five Schiff bases were prepared from piperonal and diamines by condensation reaction. 目的:合成新的双-胡椒醛缩二胺类席夫碱化合物。
- The second one is electrochemical oxidation of the hydrolysis product of epoxidc, from which piperonal can be obtained. 第二次是环氧化物的水解产物(双醇化物)的电氧化得到洋茉莉醛.
