1前言各地区所采收卤虫卵原料均含有不同程度的杂质[3][4],杂质有总杂质、重杂质、轻杂质之分。所谓总杂质是指重杂质与轻杂质的总和,重杂质包括沙石、沙土和盐,轻杂质包括空壳、碎壳、羽毛、杂草、碎叶片。人们一般所指卵的干重=卵样品重-(重杂质+轻杂质+水分重),卤虫卵成品加 1 Introduction Artemia egg material collected in various regions contain different levels of impurities [3] [4], impurities with total impurities, heavy impurities, light impurities of the points. The total impurity refers to the sum of heavy impurities and light impurities, heavy impurities, including sand, sand and salt, light impurities, including shells, broken shells, feathers, weeds, broken leaves. People generally refer to the egg dry weight = egg weight - (heavy impurities + light impurities + heavy water), Artemia eggs finished