NA Sample mean-value

2D sample-sample correlation spectroscopy

Sample-sample correlation

chitin-Na CR-Na

chitin-Na(CH-Na)

Na-montmorillonite Na-MMT

Sample point and sample place

sample-by-sample sum

(Na) sodium

(Na~+)-(K~+)-ATPase

(Na-CMC)sodium salt of carboxy methyl-cellulose

1-NA

1-Na-1，2，4-triazole 95%

22 Na source

22Na(+) tracing technique

23Na MAS NMR

5F-Na solution

7-Na

A tentative research on ZHU Zhen’s Na-jia theory