取代法 meaning in Chinese

method of substitution

Alkylammonium cations method is a new way to study the diagenetic age of sedimentary rocks . alkylammonium cations can replace k cations in mica and illite stoichiometrically
Iaa法和烷基胺阳离子取代法进行伊利石分离和定年是目前国际上最先进的矿物定年方法。
Moreover , hrtem observations indicate that the process is very selective : even in apparently homogenous illite or i / s , some crystals went opening and some remain unchanged . and the replacement of k cations by alkylammonium cations is not restricted to crystal edges , but extends to entire interlayer . the above facts are the basis of alkylammonium cations method applied to the diagenetic age of sedimentary rock
Iaa法是以沉积岩的粒度?年龄谱为基础的，利用这种方法可以获得同一样品不同粒级伊利石的年龄，随着粒级的减小，样品的年龄也减小，当碎屑伊利石的含量趋于零时，可以得到自生伊利石的成岩年龄；烷基胺阳离子取代法是一种化学方法，利用烷基胺阳离子的选择性替代性，可以去除碎屑伊利石成分中的k离子，从而能够获得自生伊利石的年龄。