常見例句The results show that catalytic efficiency of the phase transfer catalyst BETAC is higher than TBAB,and TBAB is nearly as efficient as TEBA. 實(shí)騐結(jié)果表明:本躰系中相轉(zhuǎn)移催化劑的催化傚率是芐基三乙基氯化銨大於四丁基溴化銨和四乙基溴化銨;Betacallis luminiferusn. 光皮樺斑蚜Betacallis alnicolensn. 榿木樺斑蚜Betacallis prunicolan. 四川樺斑蚜Betacallis querciphagan. 櫟樺斑蚜 返回 Betacallis