225 items. According to official website of Xiamen Institute of Technology, 225 people passed the 20021National Natural Science Foundation of Xiamen Institute of Technology. In the early 1980s, the National Natural Science Foundation was put forward by 89 academicians of the Chinese Academy of Sciences in a letter to the CPC Central Committee and the State Council, with the aim of promoting the reform of China's science and technology system and changing the allocation of scientific research funds.