Character material 1. Name of the person, Hou. Character identity, famous scientist, chemist, pioneer of heavy chemical industry in China.

Life story 1. During War of Resistance against Japanese Aggression, China's national industry suffered huge losses. At that time, Hou, the chief engineer and director of the soda plant, led the core technicians on site to run around. After moving to Nanjing, he tied up with German and set up a new iron workshop in other places, which can produce mines and explosives to support War of Resistance against Japanese Aggression. After the victory of the Anti-Japanese War, he found the equipment that General Caso wanted from the United States, saying that a piece of scrap iron should also be pulled back. This is our attitude in China. 2. After the factory moved to Sichuan, the quality inspection process was improved, and then we went to Germany to discuss technology introduction. However, when the Germans suggested that the products could not be sold in the three northeastern provinces, they angrily returned to China. It was this opportunity that prompted him to invent the Hou Shi subtraction method on the basis of deciphering Solvey's alkali production method and combining the characteristics of Sichuan salt. 3. Live a simple life. Before his death, he donated the money, housing and Confucianism he had saved all his life to the chemical trade union to develop the chemical industry and buy scientific books.

Classic quotations 1. I have been pursuing all these opportunities to play my role with naive feelings about endless life and struggle, insisting on starting from me and starting from scratch. As far as talent is concerned, I am not smart, but I know that diligence can make up for it. Apart from objective reasons, some of my achievements in life are subjectively attributed to diligence.

Key words: learning science, persistent pursuit, patriotic feelings, diligent and honest administration, avoiding future generations, etc.

According to people concerned, he is an outstanding scientist. He broke the monopoly of sauville Group on quality inspection technology for more than 70 years, invented the most advanced technology in the field of soda production in the world, and struggled for the chemical industry of the motherland all his life. Like a hard cornerstone, he, together with industrialists and chemists such as Fan Xudong and Chen Tifu, held up the building of modern chemical industry in China. He is Mr. Hou, who is known as a national treasure.

Character material 2. Name of the person, Qian Sanqiang. Character identity, the founder of atomic energy science in China, the founding father of two bombs and one satellite.

His life story is 1. He has been engaged in nuclear physics research all his life, and achieved breakthrough results in the study of triple fission of uranium, making outstanding contributions to the establishment and development of atomic energy science in China and the development of two bombs. 2. Qian Sanqiang knows the importance of talents. After returning to China, he gave up his beloved scientific research work and devoted himself to scientific organizations, training a large number of scientific and technological talents. In scientific research, Qian Sanqiang attaches great importance to the initiative of young people, encourages them to explore boldly, associates with young people with an equal attitude, and helps them avoid detours.

Classic quotations 1. Science is not for personal honor, not for personal gain, but for human happiness. 2. The swift horse is tempered in the galloping of the vast grassland, and the wings of the eagle are cast in the fight against the storm.

Key words: studying science, persistent pursuit, patriotic feelings, selfless dedication, etc.

According to the evaluation of relevant figures, Mr. Qian Sanqiang is such a guiding talent who has mastered the overall situation and strategized, and is worthy of this era. Anyone who is familiar with Mr. Qian will never forget his broad mind, courage to shoulder heavy burdens, excellent organizational skills, willingness to take responsibility as a ladder, humble and simple style, and high morality and integrity that only asks for dedication without asking for return. In Mr. Qian's place, science and morality have reached a high degree of unity. It is precisely because of this that Mr. Qian Sanqiang is admired by young students, loved by scientists and respected by the people of the whole country.

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