常見例句Test Method for Amyl Nitrate in Diesel Fuels by Spectrophotometry (05. 用分光光度測定法測定柴油中戊基硝酸鹽的試驗(yàn)方法(05。Ceric sulfate is an excellent catalyst for synthesis of amyl butyrate. 硫酸鈰是合成丁酸戊酯的良好催化劑。An ampoule of amyl nitrite or butyl nitrite used as a stimulant drug. 玻璃瓶用作興奮劑的亞硝酸戊酯或亞硝酸丁酯的小玻璃藥水瓶Ethyl tert butyl ether is synthesized from ethanol and tert butyl alcohol by reaction distillation. 以乙醇和叔丁醇為反應(yīng)物,采用反應(yīng)精餾法合成了乙基叔丁基醚。Its structure was determined as 2,4 di tert butylphenol by the spectrum data of IR, MS, 1HNMR and 13 CNMR. 經(jīng)過IR,MS,1HNMR和13CNMR等波譜數(shù)據(jù)分析,確定其結(jié)構(gòu)為2,4-二叔丁基苯酚。The HBx gene could improve the activity of tel omerase and upregulate the expression of TERT gene in HCC cells. HBx基因可增強(qiáng)肝癌細(xì)胞端粒酶活性 ,上調(diào)TERT基因表達(dá) ; 返回 tert.-amyl