The results show that in the presence of small amount of sulphite, the structure of developed grain changes from compact to filamentary and etch pit can be found.
结果表明，少量亚硫酸盐的加入使显影后的银颗粒从紧密结构变成粗银丝结构，并且发现有生成侵蚀坑的现象。
2
The compactstructure of the pericarp and endosperm is an important guarantee for the formation of grain internal high pressure.
果皮和胚乳的致密结构是内部高压形成的重要保证。
3
The TEM analysis shows that the matrix of composite coating is polycrystal nickel with the finer grain size, and the organization structure is homogeneous and compact.