“壳质”造句
2024年06月13日 13:30:26
蚕蛹皮是蚕蛹(制丝下脚料)经人工提炼去蛹油、蛹蛋白后的废弃物,含有丰富的甲
壳质.
The silkworm chrysalis skin is a kind of waste after removing pupa oil and protein.
方法先由龙虾壳制备甲
壳质,经盐酸水解得D氨基葡萄糖盐酸盐.
This paper researches technological conditions under which the D - glucosamine hydrochloride prepared from chitin by acidic hydrolysis.
主要为水生的节肢动物,通常身体分节并有
壳质的外骨骼.
The outermost layer of cuticle of an arthropod exoskeleton, composed mostly of wax.