Effects of surfactant on viscosity of cetyl hydroxyethylcellulose ( CHEC ) solution were investigated by rheometer.
通过流变仪研究了几种表面活性剂对十六烷基羟乙基纤维素（ CHEC ） 溶液黏度的影响。
2
Guangzhou Harbour Engineering Design Institutee is an affiliate of CHEC Guangzhou Port Construction Company under China Harbour Engineering (Group) Company.
广州港湾工程设计院，直属中国中国港湾建设(团)公司第四航务工程局。
3
At the meeting, ice expressed their willingness to establish a branch office in Beijing and CHEC expressed its interest in hosting ice Beijing branch.