[化] 四羟基苯; 苯四酚

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(186) / 评论(0) 分类 Scientific American(一)月

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(157) / 评论(0) 分类 医务英语

Humulone 律草酮 Huperzine Serrate P.E 千层塔提取物 Hydroginkgolic acid 氢化白果酸 Hydroginkgolinic acid 氢化白果亚酸 p-Hydroxyacetophenone 对羟基苯乙酮 p-Hydroxybenzylalcohol

发表于:2019-01-03 / 阅读(146) / 评论(0) 分类 医务英语

This is Scientific Americans 60-Second Science. Im Sophie Bushwick. Got a Minute? What's the best way to find out if an unknown mixture contains a specific substance, like an environmental contaminant? You could use an expensive, bulky gas chromatogr

发表于:2019-01-08 / 阅读(179) / 评论(0) 分类 Scientific American(八)月

Researchers Say Malaria Drug Could Also Treat Cancer Scientists know that human cancer cells grow by getting energy from adjacent tumors, where cells have begun to self-destruct. The spread of cancer is accelerated by the death of these cells. This p

发表于:2019-01-13 / 阅读(184) / 评论(0) 分类 VOA标准英语2012年(三月)

In January 2015, a fire in one of Russia's largest university libraries damaged more than 1 million historical documents, an incident which some media described as a cultural Chernobyl. 2015年1月,俄罗斯最大的大学图书馆之一发生了火灾

发表于:2019-02-02 / 阅读(141) / 评论(0) 分类 英语新闻

Indoor air pollution is a common threat to human health, the new study looked at five common house plants and found that when it comes to removing harmful chemicals from the air, those five plants are better than others. 室内空气污染对人类健康

发表于:2019-02-07 / 阅读(181) / 评论(0) 分类 阅读空间

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(193) / 评论(0) 分类 万物简史

本期内容: A humble houseplant with a dash of rabbit DNA could help lower our exposure to indoor air pollution, new research suggests. Scientists have revealed that by inserting a rabbit gene into devils ivy the plant is able to clean the surrou

发表于:2019-02-20 / 阅读(151) / 评论(0) 分类 夏说英语新闻晨读
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a thorn in sb.'s flesh
acrogenous
alesendness
Amaroo, L.
astral geometry
automatic switch
average commodity cost
banker's dozen
bar-graph
Bohr-Sommerfeld theory
boiled (China) wood oil
bracing aback
buffote
bullshit artist
calebin
camphor ovule
carding cylinder
connectic
construct an ambush for
cryomicrographs
data set access method
doubtful
dreadful
Dunlewy
electronic / electric speed governor
empathized
ethical relativism
fielders
flow guiding screen
go back home
Gran Malvina, I.(West Falkland, I.)
hemelysin
hourglassing
hydraulic static cone penetrometer
hysterical breast
Jarash
koombar
Legal Relation of Property
Leiodontium
loockerman
magneto-chemistry
Manidae
mechanoblasts
memorandum copy of bill of lading
narrowband interference
object view angle
odysseus
of-flyght
oil break switch
on your guard
open type aspiration
osmosology
overhung cold roll forming machine
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paraldehyde
perform an operation
petrol-tanks
photostress
picolinium
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plasma column
polyoxyethylenes
postgraft
pranque
predecessive
pressure receptor cell
pressure reducing and relieving valve (pneumatic)
pseudohyoscyamine
Ptolemys
pulassan
reciprocal difference
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relative pressure coefficient
rhythmic accumulations
road ability
Sachs-Witebsky reaction
sag of grade
San Calixto
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Shank's extraction process
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small strip
snake-like sores
sorting by interchange
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talkbox
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top carriage
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user_access
verticil
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windmill-braking condition
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yo-hope
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