Evaluation: Zhang Jian, a famous industrialist and educator in modern China, advocated "saving the country through industry". He founded more than 20 enterprises and more than 370 schools in his life, which made valuable contributions to the rise of modern national industries and the development of education in China, and was called "the first industrialist". When talking about China's national industry, Comrade Mao Zedong said, "Light industry can't forget Zhang Jian of Haimen".
Hou is an outstanding scientist in the history of chemical industry in China. He struggled for the chemical industry of the motherland all his life and was famous for his original alkali-making technology. Like a hard cornerstone, it supports the construction of modern chemical industry in China. The pioneer is Hou, known as the "national treasure", with a good score of 10 and 1000. (also an evaluation)
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He took an active part in the activities of the Science Society. He was once the vice chairman of the All-China Natural Science Society, the chairman of the Chinese Chemical Society, the chairman of the China Chemical Industry Society and an academician of the China Academy of Sciences. The main works are Alkali Making, Alkali Making and Alkali Making Technology. 1974 died on August 26th at the age of 84. Is the pride of China! Shortly thereafter, China soda named "Red Triangle" won the gold medal at the World Expo held in Philadelphia, USA, and was praised as "the symbol of China's industrial progress". 1930 At the international commodity exhibition held in Switzerland, the "Red Triangle" won the gold medal again, enjoying a high reputation in Europe, Asia and the United States. 1937 War of Resistance against Japanese Aggression broke out and Li Yong soda plant was forced to move to Sichuan. At that time, because of the high price of salt in the mainland, the traditional Solvay method was too expensive to maintain production. In order to find an alkali-making process suitable for mainland conditions, Li Yong Company is going to buy a new technology-the patent of tea temple method from Germany. However, Germany colluded with Japan in secret. In addition to asking Hou and his party wild speculations, they also put forward various conditions to humiliate the people of China. In order to safeguard national dignity, Fan Xudong resolutely decided not to negotiate with the Germans. Together with the engineers and technicians of Yongli Company, Hou carefully analyzed the ammonia-alkali process and finally determined a new process with its own independent characteristics. In 194 1, this new process was named "Hou Shi Alkali Making Process". 1957, in order to develop small chemical fertilizer industry, Hou proposed to prepare ammonium bicarbonate by carbonization. He personally led a team to Shanghai Institute of Chemical Technology, and together with technicians, he succeeded in the new process of producing nitrogen fertilizer by carbonization. Hou is the main inventor. At that time, this small nitrogenous fertilizer plant made an indelible contribution to agricultural production in China. Hou Yisheng made three great contributions to chemical technology. First, the secret of Sulweifa was revealed. Secondly, the China people's own caustic soda process-Hou's caustic soda process was established. The third is his contribution to the development of small chemical fertilizer industry.
These two are the most famous.