..............page:14-16,49
Researches of RCC super retarding compound additive
jia zhao wu 1; liu yu 2; che hui zhen 2; wang ning fang 1 (1.northwest survery and design institute ; national electricity company; shanxi xi an 710043; china; 2.xi an juneng special eenineering(ltd.) company; shanxi xi an 710043; china)
..............page:25-28