This paper analyzed the differences between Chinese standard and American four-mark standard on GB/T 406-93 cotton greige, and introduced the features and application of American standard.
分析了GB/T406-93棉本色布国家标准与美国四分制标准之间的差异，介绍了美国四分制标准的特点和应用情况。
In addition this study mensurated the physical and chemical properties of gelatin from fishskin and fish scale. The items all reached the standard for Chinese edible gelatin GB 6783—94.
本实验还分别测定了鱼皮胶和鱼鳞胶的理化性质，所测项目均达到国家食用明胶标准GB 6783—94。
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