单词：fully developed turbulent flow
单词：fully developed turbulent flow 相关文章
By Lisa Schlein Geneva 06 February 2008 A new report argues developing countries will be left behind unless they master new Information and communication technology. Lisa Schlein reports from Geneva the report by the U.N. Conference on Trade and Deve
VOA常速英语2008年（二月）
Its called functional magnetic resonance imaging, or FMRI. And some neuroscientists call it the greatest scientific advance of the last 25 years. Because FMRI lets researchers look at the human brain in action. By measuring blood flow, it produces co
Scientific American(二)月
By Jessica Berman Washington 05 October 2006 U.S. researchers have developed a vaccine that offers protection against a common allergy trigger in the United States known as ragweed. Scientists say the development has the potential to guard against a
2006年VOA标准英语（十月）
Paintable Solar Cells May Replace Silicon-Based Devices 可喷涂太阳能电池可能取代硅基电池板 Solar panels are manufactured in factories. Some of the devices are made with cadmium chloride, a substance shown to be harmful to human healt
2015年VOA慢速英语(十)月
Low-Cost Incubator May Save More Babies 低成本保育箱将拯救更多婴儿 Premature birth is the biggest killer of children worldwide. About one million babies around the world die of problems that strike because they are born too early. Many o
2014年VOA慢速英语(十二)月
Scientists Create 'Touchable' Virtual Objects 科学家们创造可触摸的虚拟影像 Technology is already capable of tricking most of our senses ... laser holography can create three-dimensional images where nothing exists, stereo sound can surr
VOA标准英语2015年(四月)