国产热热热精品,亚洲视频久久】日韩,三级婷婷在线久久,99人妻精品视频,精品九热人人肉肉在线,AV东京热一区二区,91po在线视频观看,久久激情宗合,青青草黄色手机视频

CHINA> Profiles
China's "father of space technology" dies at 98
(Xinhua)
Updated: 2009-10-31 13:51

BEIJING - China's keystone space scientist Qian Xuesen, widely acclaimed as the country's "father of space technology" and "king of rocketry", died of illness here Saturday morning at the age of 98.

In 1956, based on Qian's position paper on the country's defense and aviation industry, the central government set up an aviation industry committee, which later became the leading organization for China's missile and aviation programs.

Under the guidance of Qian, also known as Tsien Hsue-shen, China finished the blueprint on developing jet and rocket technology. He also played a significant role in developing the country's first artificial earth satellite.

"Mr. Qian used to hold academic seminars for us. We exchanged scientific ideas and wrote articles together. The whole time when we worked with Mr. Qian had a great influence on us," Yu Jingyuan, a senior researcher with the China Aerospace Science and Technology Corporation told Xinhua Saturday afternoon on hearing the news.

In one of Qian's legendary stories, a missile project team encountered repeated failures during the engine experiments in 1950s. Team members couldn't figure out what was wrong and turned to him. In a meeting, Qian paced around the room, listened to everyone's ideas and ask them further questions for about 40 minutes. He then hinted the team that they should take into account the high-frequency vibration when the engine was running.

He was right. In June 1964, China successfully created its first medium- and short-range missile, marking the start of the country's first missile defense system nuclear weapon.

During the man-made satellite project, when everyone else was not sure that the satellite would work perfectly in space given the limited testing facilities, Qian researched piles of documents and papers and wrote, "In my opinion, the satellite is done."

On April 24, 1970, "Dongfanghong-I (Red East 1)", the country's first man-made satellite, was successfully launched.

Yu Jingyuan said Qian had very deep understanding of his own profession and also had a wide knowledge regarding many other fields. "He was a true science leader and master with brilliant scientific and philosophic thinking."

   Previous page 1 2 Next Page  

 

甘泉县| 青海省| 临高县| 横山县| 德格县| 汕头市| 福州市| 南投县| 荔波县| 井冈山市| 勃利县| 镇巴县| 惠东县| 通州市| 会宁县| 郓城县| 高雄市| 凤台县| 大关县| 梨树县| 清远市| 孟连| 荆门市| 河北区| 阜南县| 剑阁县| 东港市| 年辖:市辖区| 乐山市| 竹北市| 乌兰浩特市| 马尔康县| 金秀| 呼玛县| 上饶市| 陆良县| 商洛市| 临西县| 抚顺市| 海门市| 武平县|