标签：dioxide 相关文章
Scientists Use Ancient Shells To Learn About The Past If you were traveling from the United States to Singapore, a guide book could tell you what sort of climate to expect. But if, like paleontologists and geologists, you needed to know what the weat
英语听力文摘 English Digest
By Frank Ling Washington 07 August 2006 New research shows that global warming might be worse than expected because of melting permafrost, permanently frozen soil, which can release the greenhouse gas, carbon dioxide. Computer models predict higher
2006年VOA标准英语（八月）
By Brian Wagner Miami 21 June 2007 Scientists are seeking new ways to reverse the buildup of carbon dioxide in the atmosphere that many believe is the cause of global warming. Today on Searching for Solutions, VOA's Brian Wagner reports that one proj
2007年VOA标准英语（六月）
The U.S. energy secretary says global warming is proceeding more quickly than originally predicted. Stephen Chu is in China, the world's top emitter of the greenhouse gases that cause global warming, to urge greater Sino-American cooperation to comb
VOA标准英语2009年(七月)
Australia is preparing to introduce technology that allows algae to capture half or more of the greenhouse gases emitted by a power station. The micro-algae thrive on carbon dioxide, producing food for livestock as well as biofuels and material for p
VOA双语新闻 2009年9月
To make sure Kepler's truely found a planet, scientists are using one of the largest earth-based telescopes for conformation. This telescope will also determine the planet's mass and distance from its star. Scientists are most interested in the small
自然百科2010年
By David McAlary Washington 11 July 2006 Former dancer Ann Smith leads a stretch class at Munson Community Health Clinic in Traverse City New medical research shows that elderly people can prolong their lives without vigorous exercise. The study of
2006年VOA标准英语（七月）
By Phil Mercer Goulburn, Australia 05 July 2007 A long drought and recent floods have intensified debate in Australia over climate change. Many Australians believe man's reliance on fossil fuels is warming the earth, while skeptics say it is all part
2007年VOA标准英语（七月）
By Carol Pearson Washington, DC 13 July 2006 watch Exercise and Aging report Populations in western counties are aging. But this trend is also emerging in developing countries such as China. Keeping people healthy as they age affects not only a coun
2006年VOA标准英语（七月）
Australia's vast native forests are storing three times as much carbon as previously thought and could hold the key to tackling climate change, according to a new study released Tuesday. It has found the eucalyptus forests of southeast Australia can
VOA标准英语2008年（八月）
Australia is preparing to introduce technology that allows algae to capture half or more of the greenhouse gases emitted by a power station. The micro-algae thrive on carbon dioxide, producing food for livestock as well as biofuels and material for
VOA标准英语2009年(九月)
What Causes A Can Of Food To Swell? 罐装食品膨胀的原因 Most of us are cautious eaters. If youre munching grapes, youll probably skip one thats all shriveled and discolored in favor of the round, healthy ones. Likewise, when you choose a can
英语听力文摘 English Digest
The Mystery of Photorespiration 光呼吸作用之谜 光呼吸作用-Photorespiration是所有行光合作用的细胞（该处细胞包括原核生物和真核生物，但并非所有这些细胞都能运行完整的光呼吸）在光照和高氧低二
英语听力文摘 English Digest