避免采用灰化消解.Ashing should be avoided.本文研究了湿法灰化火焰原子吸收法测定多种加工食品中的钙 、 镁和铁.Wet ashing and flame atomic absorption determination of Ca, Mg and Fe have been studied.考查了石墨炉原子吸收测定硅铁合金中钼的最佳灰化、原子化条件,酸介质及共存元素的影响.Determination of trace...
Christians of all denominations attended the conference.基督教所有教派的人都出席了这次会议。The service was attended by Christians of all denominations.这次礼拜仪式各教派的基督徒都参加了.Carrie found her purse bursting with good green bills of comfortable...