Velocity detection method in gas engine driven heat pump
du ming-xing1; yang zhao2; hu jing3(1.school of electric engineering; tianjin university of technology; tianjin 300191; china; 2.school of mechanical engineering; tianjin univesity; tianjin 300072; china; 3.department of thermal engineering; tianjin institute of urban construction; tianjin 300384; china)
..............page:13-15
Design and realization of a multi-loop temperature check and auto-control system
qin juan1; hao fu-fei2; sun xiaowei3; hao ting-zhu1; lang pei1; shen huayu1(1.school of electronic information and comrnunication engineering; tianjin university of technology; tianjin 300191; china; 2.the police of tianjin; tianjin 300171; china; 3.dept.of communication and information engineering; guilin university of electronic technology; guilin 541004; china)
..............page:51-53