水溶催化剂

One main goal in the renewable energy field is to find an efficient, inexpensive way to split water into hydrogen and oxygen. The hydrogen could then be used as a fuel source for vehicles or fuel cells. Typically, an electric current breaks the water

发表于:2019-01-02 / 阅读(68) / 评论(0) 分类 60秒科学

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan

发表于:2019-01-04 / 阅读(73) / 评论(0) 分类 Scientific American(八)月

One main goal in the renewable energy field is to find an efficient, inexpensive way to split water into hydrogen and oxygen. The hydrogen could then be used as a fuel source for vehicles or fuel cells. Typically, an electric current breaks the water

发表于:2019-01-08 / 阅读(48) / 评论(0) 分类 Scientific American(四)月

Cooking is one big science experiment and chefs have been gaining fame for more explicit uses of scentific techniques and tools in the kitchen. Now, according to an article in the December issue of physics world, mixologists the folks behind the bar

发表于:2019-01-08 / 阅读(50) / 评论(0) 分类 Scientific American(十二)月

Authorities in Western Australia say they can show the world how to conquer a water crisis that had threatened to decimate the state capital, Perth, amid a long-standing drought and declining rainfall. Desalination is at the heart of Western Austral

发表于:2019-01-13 / 阅读(31) / 评论(0) 分类 VOA标准英语2009年(二月)

1. It is very hydrating. 盈润保湿。 Celery is high in water content (95% water) and electrolytes, which are vital for proper hydration and cellular functions. For a super re-hydrating drink (e.g. after a long flight or after having food poisonin

发表于:2019-02-17 / 阅读(73) / 评论(0) 分类 阅读空间
学英语单词
a machine
abcss
after someone's appetite
air stoves
alternate entry and return
anaseism
Angba
angle factor
antimonic fluoride
apparent solubility product
baptigenin
Bentzisporites
boldfaces
Camram
chemistry of Jovian ring
clinker floor
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diaphot
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formed height of un-loaded single disc
FSQD
gayly
gee-up
Gravenstein
hagatalite
halomycin
helicogloea contorta
hot favourites
input sensitivity
intelligent robot system
jasest
Katete
KICB
killian
knee-lengths
L-,l-
l-glutaminic acid
lake michigans
laser warfare
lead down
Lilium medogense
long rice
look to one's laurels
low-temperature fluorescence spectrometry
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pere
photographic science
phytid
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principle of double-entry bookkeeping
principle of relative constancy
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SCOPE (schedule control of program executive)
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singular linear least squares method
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