2. Western Han Dynasty: Papermaking was invented and improved by Cai Lun in the Eastern Han Dynasty. It provides economical and convenient writing materials for human beings and sets off a revolution of human writing carrier.
3. Bi Sheng in Northern Song Dynasty: movable type printing. It has accelerated the spread of culture and changed the situation that only the upper class can study in Europe.
According to legend, the invention of the compass was invented by the emperor, and the use of navigation was in the Southern Song Dynasty. It provided important conditions for European navigators to sail around the world and discover America, and promoted the development of world trade.
4, gunpowder, gunpowder was invented in the Tang Dynasty. It changed the way of fighting, helped the European bourgeoisie destroy the feudal fortress and accelerated the historical process of Europe.
5. Ming Dynasty: Mathematician Cheng Dawei compiled "Arithmetic Unity", which laid the foundation for later algorithms.
6. Qing Dynasty: Minggatu, a Mongolian mathematician, introduced the Nine Methods of Secant Circle and compiled his research results into Secant Circle Density and Efficiency. He raised the research of trigonometric function and pi to a new level by analytic geometry.
7. Warring States Period: Bian Que was a famous doctor at that time, and later doctors called him "the Sect of Pulse Science". His invention of "Four Diagnoses" has become a traditional Chinese medicine diagnosis method in China. Medical branch. There is a famous medical book Neijing.
8. Western Han Dynasty: During the Warring States Period, Huangdi Neijing compiled by the Western Han Dynasty was an important medical document in early China, which laid the theoretical foundation of traditional Chinese medicine. Fang Yijing, a silk book unearthed from Mawangdui Han Tomb in the Western Han Dynasty, records hundreds of prescriptions.
9. Eastern Han Dynasty: Shennong Herbal Classic is China's first complete pharmaceutical work. Zhang Zhongjing's Treatise on Febrile Diseases is an important classic of Chinese medicine in later generations, and later people called Zhang Zhongjing a "medical sage". Hua Tuo is good at surgery and is known as the "imperial doctor". He invented Mafengsan more than 0/600 years earlier than the West.
10, Sui and Tang Dynasties: ① Some surgical operations in China, such as tooth extraction and vascular ligation, are the most advanced in the world. (2) Chao's Theory of Etiology Staging of Various Diseases in Sui Dynasty is the richest book in the history of ancient medicine to discuss etiology and pathology. (3) Qian Jin Fang, written by Sun Simiao, an outstanding medical scientist in the Tang Dynasty, comprehensively summarized the medical achievements of the past dynasties and at that time, and had many original opinions, which occupied an important position in the medical history of China. ④ The Four Medical Codes compiled by Yuan Dan Gongbu, a famous Tubo doctor, has an important influence at home and abroad. ⑤ Tang Materia Medica edited by Tang Gaozong is the earliest pharmacopoeia in the world, which was promulgated by the state.
1 1, Northern Song Dynasty: ① Pediatrics, Obstetrics and Acupuncture are the most famous medical departments. ② The Guide to Pediatric Medical Certificate is an important pediatric work in ancient China. ③ The Theory of Ten Productions is a famous obstetrical work. ④ The acupuncturist designed a bronze model of acupuncture which is convenient for learning medical skills. ⑤ The unjust verdict was written by Song Ci, a forensic scientist in the Southern Song Dynasty. This is the first forensic medicine book in the world. ⑥ During Wang Anshi's political reform, there was a medical bureau and a medical college.
12, Ming Dynasty: Li Shizhen's Compendium of Materia Medica recorded more than 1800 kinds of drugs and more than 10000 prescriptions, which comprehensively summarized China's medicine before16th century and was known as the "Oriental Medicine Grand Ceremony".