China¡¯s Top Ten Science and Technology Achievement
1. China's first experimental manned spaceship made a successful maiden flight. At 6: 30 on November 20, 1999, China's first experimental manned spaceship, the ¡°Shenzhou,¡± was launched at the newly-built space launching site in the China Jiuquan Satellite Launching Center. This was China's first manned spaceship flight test, marking a new major breakthrough in China's manned space technology. The experimental spaceship and the new-type rocket launched this time were independently developed by China. 2. Great progress was made in the study of hydrogen storage nanometer carbon tubes. The advanced carbon materials research group, led by Cheng Huiming of the Metals Research Institute of the Chinese Academy of Sciences, launched China's first experimental research project into the characteristics of hydrogen storage using one-dimensional nanometer carbon material, and produced a large amount of nanometer carbon fiber storing a greater quantity of hydrogen. At the beginning of 1999, the group did research into the preparation of the single-wall nanometer carbon tube and hydrogen storage. The group cooperated with China's National Key Laboratory for Rapid Solidification of Non-balanced Alloys and the Massachusetts Institute of Technology of the United States, and, by means of the unusual plasma hydrogen electric arc, semi-continuously produced a large quantity of high-purity single-wall nanometer carbon tubes, the diameters of which averaged 1.85 nanometers. This type of single-wall nanometer carbon tube with its broad diameter can store a great deal of hydrogen at room temperature after proper treatment.
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