基本解釋[無化] 氟化鉀英漢例句雙語例句This paper reports the function of anhydrous potassium fluoride and acetonitrile in C-alkylation of active methylene group of acetoacetic ester.無水氟化鉀和乙腈在乙酰乙酸乙酯活潑亞甲基的C-烴基化中的作用。Then, sodium fluoride, potassium fluoride and (rubidium, cesium) fluoride was separated by concentrating, stepwise precipiting from the solution.分離后的溶液進(jìn)行濃縮，分步析出氟化鈉、 氟化鉀和銣銫氟化物。The knoevenagel condensation of aromatic aldehydes with ethyl cyanoacetate proceeds smoothly in the presence of potassium fluoride giving products in high yield. Only the E isomers could be isolated.在氟化鉀催化下， 芳香醛與氰乙酸乙酯發(fā)生克腦文格爾縮合反應(yīng)，得到高產(chǎn)率的縮合產(chǎn)物。且只得到E式異構(gòu)體。potassium fluoride更多例句詞組短語短語Potassium hydrogen fluoride [無化]氟化氫鉀;酸式氟化鉀;氟氫化鉀;二氟氫化鉀potassium aluminium fluoride 氟化鋁鉀;規(guī)格;白色氟鋁酸鉀potassium zirconium fluoride 氟化鋯鉀potassium titanium fluoride 氟化鈦鉀;氟鈦酸鉀Potassium Aluminum Fluoride 氟鋁酸鉀potassium fluoride更多詞組專業(yè)釋義化學(xué)工業(yè)氟化鉀無水氟化鉀氟鋯酸鉀氟化鉀