He is anxiously awaiting the result of the medical tests.他焦急地等待着体格检查的结果。"Helen had something to eat before she left," put in Cecil anxiously.“海伦走之前吃了点儿东西,”塞西尔急忙插了一句。We’re anxiously awaiting the court’s ruling on this mat...
Using benzene as internal standard, the calibration factors of derivative of aldehydes 2,4 - dinitrophenylhydrazine ( DNPH ) were measured.将醛类物质与2, 4- 二硝基苯肼 ( DNPH ) 的衍生反应液直接进样,以苯为内标物,测定了甲醛 、 乙醛等醛类物质DNPH衍生物的校正因子....