The volume swellable profile control agent is a main type profile control agent in oil-field.

This paper emphasized on the key techniques double mixing of organic short fiber in AEA expansive agent, best mixing quantities of organic short-fiber and expansive agent, restricted expansion rate after double mixing, compressive strength and bending strength of mortar etc.

Mechanism and model of sulfate attack on RCC with expansive agent;

Investigation on environmentally friendly PFA based expansive agent;

Some considerations on development of expansive agent and expansive concrete in china;

Study on the special cake aluminium-free composite leavening agent;

1,the best self-leavening flour formula was selected from different combinations of leavening agents by means of optimization method and the effect of each combination on quality of steamed bread made of self-leavening flour was analyzed and compared.

This paper utilizes the new-type compound leavening agent instead of the traditional AlK(SO4)_2,NaHCO_3 leavening agent to make fried dough sticks,meanwhile adding 12% egg to the dough to improve the feeling quality and color of the finished products,so as to make them better than that made by traditional methods.

Shrinkage of semi-lightweight concrete with expanding agent;

Setting compound phosphate retarder and reduced type expanding agent for building gypsum;

To systematically study the effects of mineral admixtures such as slag,expanding agent on sulfate resistance of concrete, a series of concrete immersion test was carried out.