单词:bioconcentrations
生物浓缩
单词:bioconcentrations 相关文章
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Except for the ruffling of waves, and the pull of the tides, you probably think of the ocean as pretty flat. You wouldn't expect it to have a geography, its waters piled up into lasting hills or sunk into valleys. Sea level ought to be pretty level,
Fearing Bioterrorism Natalie: Why are you wearing that gas mask? Anton: Im getting used to it. If we ever have a bioterrorist attack, Ill be ready. Want to try one on? Natalie: No, thanks. If we get involved in biological warfare, I think well have s
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Natalie: Why are you wearing that gas mask? Anton: Im getting used to it. If we ever have a bioterrorist attack, Ill be ready. Want to try one on? Natalie: No, thanks. If we get involved in biological warfare, I think well have some warning. Anton: T
85 新功效的抗生素在加州诞生 DATE=8-15-01 TITLE=SCIENCE REPORT - Designer Antibiotics BYLINE=Jerilyn Watson (Start at 1'04
By Mario Ritter Broadcast: October 28, 2003 This is Steve Ember with the VOA Special English Agriculture Report. Farmers have long put animal waste on their fields. They may also use human waste. Mode
Weather extremes mark 21st centurys first decade The first 10 years of this century were the hottest in 160 years and filled with more temperature records than any other decade as global warming accelerated, the UNs weather agency has reported. 联合国
Various stages of cartilage growth on scaffold. The final image on the right shows naturally forming cartilage for comparison. These replacement joints can be made of combinations of metal alloys, plastic and ceramic, but new research shows that it m
By Malcolm Brown Washington, D.C. 19 February 2008 Some high profile foreign investments in the United States are drawing attention to the enormously wealthy entities behind the deals. Of particular concern are sovereign wealth funds -- pools of stat
Anyone who arrives in New Zealand by plane knows about Biosecurity NZ. Bio means living and security means safe. Biosecurity NZ is a government department. Their job is to make our country safe from unwanted living pests. These pests are plants, anim
AGRICULTURE REPORT - Biocontrols, Part 2 By Mario Ritter Broadcast: Tuesday, April 20, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Biocontrols are the way nature seeks ba
Kenya is joining a long list of countries planning to produce diesel fuel from the poisonous-but-oil-rich seeds of the jatropha tree, a plant indigenous to South America. The tree is at the heart of a five-year strategy to develop a bio-fuel industr
俄罗斯莫斯科的一位生物能量学教授近日宣布,他已研制出一种能够有效延缓衰老的不老药,并有望于几年内上架销售。这位科学家用40年的时间研制出一种抗氧化剂,能够有效抑制氧分子对人
Australia has opened a new National Center for Bio-Security to build its defenses against infectious diseases and biological weapons. Medical experts say it will help protect the country from threats such as SARS and bird flu as well as attacks by t
Three of these nucleotides are also thought to be associated with sleep and sedation. A team of Spanish researchers collected breast milk over a twenty-four hour period from thirty healthy moms who had been breast-feeding for at least three months. T
One of the most common questions cancer patients ask their doctors is: has the disease been contained or will it spread. A recent study by U.S. and Chinese researchers may help provide clues. The scientists examined genetic(遗传的,基因的) m
By Anjana Pasricha New Delhi 10 April 2008 Next month, India will unveil a national policy to increase the use of bio-fuel. But, as Anjana Pasricha reports from New Delhi, there is growing concern that increased demand for bio-fuel is contributing to
What Time Of Day Is Best To Feed Infants So That They Fall Asleep 把孩子养大可不是一件容易的事。婴儿没有时间观念,他可不管自己的爸爸妈妈累了一天晚上需要休息。更要命的是,孩子似乎觉得晚上的安