China carries out test of fusion reactor |
文章来源： 文章作者： 发布时间：2006-09-30 07:26 字体： [ 大 中 小] 进入论坛 |
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| The Experimental Advanced Superconducting Tokamak fusion1 device, nicknamed "artificial sun", is tested at the Institute of Plasma2 Physics under the Chinese Academy of Sciences in Hefei, capital city of east China's Anhui Province September 28, 2006. (File Photo) |
| BEIJING, Sept. 29 - Scientists on Thursday carried out China's first successful test of an experimental fusion reactor3, powered by the process that fuels the sun, a research institute spokeswoman said.
China, the United States and other governments are pursuing fusion research in hopes that it could become a clean, potentially limitless energy source. Fusion produces little radioactive waste, unlike fission4, which powers conventional nuclear reactors5.
Beijing is eager for advances, both for national prestige and to reduce its soaring consumption of imported oil and dirty coal.
The test by the government's Institute of Plasma Physics was carried out on a Tokamak fusion device in the eastern city of Hefei, said Cheng Yan, a spokeswoman at the institute.
Cheng said the test was considered a success because the reactor produced plasma, a hot cloud of supercharged particles. She wouldn't give other details.
"This represents a step for humankind in the study of nuclear reaction," she said.
U.S. and other scientists have been experimenting with fusion for decades but it has yet to be developed into a viable6 energy alternative.
"I think it is a considerable step ahead for China," said Karl Heinz Finken, a senior scientist at the Institute for Plasma Physics in Juelich, Germany, who had no role in the Chinese research.
"China is speeding up with the development of nuclear fusion and I think at the moment they are making considerable progress," he said.
The Chinese facility is similar to the International Thermonuclear Experimental Reactor, or ITER, being built by a seven-nation consortium in Cadarache in southern France, according to state media. That reactor is due to be completed in 2015.
China is a partner in the ITER reactor, along with the European Union, the United States, Japan, Russia, India and South Korea.
A Tokamak reactor uses a doughnut-shaped magnetic field to contain the hot gas.
Several countries have produced plasma using a Tokamak or similar device, said Gabriel Marbach, deputy head of fusion research at the ITER facility. He said producing plasma was only one step toward the fusion that ITER aims to perform, and that the project could be helped by the Chinese experiments.
"It was important for China to show that it is part of the club, and that adds value to its participation7 in ITER," Marbach said.
"That is not to say that it is at the level of the Europeans or Americans," he said. However, he added, "We are rather admiring of the Chinese for conducting this test. It was conducted well, and they constructed (the machine) rather quickly."
China is the world's No. 2 oil consumer and its No. 3 importer, consuming at least 3.5 million barrels of foreign oil per day last year.
China plans to build dozens of nuclear power plants and is trying to promote use of cleaner alternative energy sources such as natural gas, wind power and methanol made from corn.
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点击  收听单词发音
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1
fusion
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| n.溶化；熔解；熔化状态，熔和；熔接 |
参考例句： |
- Brass is formed by the fusion of copper and zinc. 黄铜是通过铜和锌的熔合而成的。
- This alloy is formed by the fusion of two types of metal.这种合金是用两种金属熔合而成的。
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2
plasma
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| n.血浆，细胞质，乳清 |
参考例句： |
- Keep some blood plasma back for the serious cases.留一些血浆给重病号。
- The plasma is the liquid portion of blood that is free of cells .血浆是血液的液体部分，不包含各种细胞。
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3
reactor
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| n.反应器；反应堆 |
参考例句： |
- The atomic reactor generates enormous amounts of thermal energy.原子反应堆发出大量的热能。
- Inside the reactor the large molecules are cracked into smaller molecules.在反应堆里，大分子裂变为小分子。
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4
fission
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| n.裂开；分裂生殖 |
参考例句： |
- The fission of the cell could be inhibited with certain chemicals.细胞的裂变可以通过某些化学药品加以抑制。
- Nuclear fission releases tremendous amounts of energy.核裂变释放出巨大的能量。
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reactors
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| 起反应的人( reactor的名词复数 )； 反应装置； 原子炉； 核反应堆 |
参考例句： |
- The TMI nuclear facility has two reactors. 三哩岛核设施有两个反应堆。 来自英汉非文学 - 环境法 - 环境法
- The earliest production reactors necessarily used normal uranium as fuel. 最早为生产用的反应堆，必须使用普通铀作为燃料。
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viable
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| adj.可行的，切实可行的，能活下去的 |
参考例句： |
- The scheme is economically viable.这个计划从经济效益来看是可行的。
- The economy of the country is not viable.这个国家经济是难以维持的。
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7
participation
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| n.参与，参加，分享 |
参考例句： |
- Some of the magic tricks called for audience participation.有些魔术要求有观众的参与。
- The scheme aims to encourage increased participation in sporting activities.这个方案旨在鼓励大众更多地参与体育活动。
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