CAS Vice President CAO Jianlin met with a delegation led by Thai Minister of Science and Technology Pravich Rattanapian On May 16, in Beijing.     After the meeting, Prof. Cao and Dr. Rattanapian signed an AOU for S&T cooperation between CAS and Thai Ministry of Science and Technology on behalf of their organizations. The two sides also decided to jointly hold a workshop each year to discuss the form and contents of their cooperation.     CAS Vice Secretary-general GUO Huadong and Minister of the Royal Thai Embassy in China Sakarn Suthipradit were present at the event.