A selection of bags were then opened and sorted into different material types, to give a representative sample of the type of waste from food that the school produces.

然后人们把垃圾袋打开，把垃圾进行不同材料的分类，这样能给出学校食物所产生的有代表性的垃圾样品。

youdao

This paper reviews and analyzes food simulants applied on migration testing of chemical substances from packaging material and its selection methods.

本文综述了包装材料化学物迁移试验中应用的食品模拟物并对其选用作了分析。

youdao

It was pointed out that Gel Chromatography could be applied to raw material selection, quality control and R&D in the field of wheat and rice flour based food.

为面条、米粉等米面类食品的深入研究提供了一个新的研究手段，可以为企业原料选择、质量控制及产品开发提供更好的参考。

youdao