Tju is Tianjin University. The abbreviation of tju comes from the English name of Tianjin University: TongjiUniversity. Tianjin University, located in Tianjin and directly under the Ministry of Education of People's Republic of China (PRC), was designated as the first batch of national key universities by the Central Committee of People's Republic of China (PRC) in 1959. After the reform and opening up, Tianjin University was the first batch of key universities in "2 1 1 Project" and "985 Project", and was selected as a class A university in the national "World-class University Construction". In the fourth round of national discipline evaluation, Tianjin University * * * has 25 first-level disciplines to participate in the evaluation, and the number of disciplines entering Class A reaches 14. Among them, chemical engineering and technology entered the A+ file, 4 disciplines entered the A file (2%-5%), and 9 disciplines entered the A file (5%- 10%). 1 1 subject areas are in the top 1% of ESI, among which 3 subject areas are in the top 1% of ESI.