2025-07-18 20:04 浏览次数 5
变得粗糙
the surface of flax fiber became rough and crystallinity decreased while increasing oxidized degree of flax fiber. the structure and properties of the proteinic oxidized flax fiber were studied.
高碘酸钠选择性氧化后亚麻纤维大分子上生成了活性醛基,随着氧化程度的加深,纤维表面变得粗糙,结晶度不断降低。
the surface of the water became rough and split open , and a terrible -looking dragon appeared .
这个池塘的水面开始翻腾起水花并且在当中分开,一条外表…