Up to now , more than 100 trace compo nents of chinese rice wine were detected by gc , gc - ms and hplc , including alcohols , aldehydes , organic acids , esters , phenolics and nitro gen - containing compounds and so on 从微量成分的种类上看,中国黄酒中目前已经检测到的微量成分达100种以上,包括醇类、醛类、酸类、酯类、酚类、含氮化合物,以及其它化合物。
Insulating and sheathing materials of electric and optical cables - common test methods - part 5 - 1 : methods specific to filling compounds - drop - point - separation of oil - lower temperature brittleness - total acid number - absence of corrosive compo 电缆和光缆用绝缘和护套材料.通用试验方法.第5 - 1部分:填充复合物的专用方法.滴点.油分离.较低温脆性.总酸值.无腐蚀性成分. 23 ?时的电容率. 23 ?和100 ?时的直流电阻率