羟辛可芬,羟苯喹酸

Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s

发表于:2018-12-18 / 阅读(144) / 评论(0) 分类 万物简史

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(116) / 评论(0) 分类 Scientific American(三)月

Fun Fact: Alligators Can Regrow Teeth 有趣的事实:短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal

发表于:2018-12-28 / 阅读(90) / 评论(0) 分类 初学者听力文摘精选

its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th

发表于:2018-12-31 / 阅读(87) / 评论(0) 分类 英语听力文摘 English Digest

M Madasiatic acid 崩大碗酸 Magnoflorine 木兰花碱 Magnolia cortex P.E 厚朴提取物 Magnolol 厚朴酚 Maitake mushroom P.E 灰树花提取物(舞茸提取物) Malonyl Oleanolic acid Hemi

发表于:2019-01-03 / 阅读(135) / 评论(0) 分类 医务英语

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

发表于:2019-01-08 / 阅读(134) / 评论(0) 分类 Scientific American(四)月

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

发表于:2019-01-08 / 阅读(132) / 评论(0) 分类 Scientific American(十一)月

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(259) / 评论(0) 分类 英语新闻
学英语单词
Achermer
after shrinkage
agaricin acid
alternation of crops
angle lap
antistreptolysin o
archamphiaster
artcare
backround noise
balanced profile
Bartels'spectacles
Bavarian splint
berry sugar
boresight camera
bottle ... up
buggin' out
business forms design
calorifier
cast basalt
cayuses
chainmen
circle mode
come to an agreement
condisciples
coneccaplypsis lucida
conversationality
copper melanterite
corrections officer
curtailest
dl-tetrahydroharmine
drill plate
dust-free operating space
effective tractive power
embolised
endwise movement of air
equatorial coordinate system
floating gantry
gas cell net
gibling
give out the results
Hamar Daban
home science
horizontal plan
HSS machine saw blade
immuno-fluorescence
impact sparking
knee pieces
laser lighthouse
law in action
legal organization
line for line copy
loadabilities
Menevian Age
Minnesund
multi-members
multichannel combustible gas detector
multiply-handicapped
mythicization
Neurotropan
non-metallic fibre-reinforced ceramics
nosily
ODSB
order of reactor
outmanoeuvreing
palmitoyl carnitine
palpita nigropunctalis
pass it on
pelopium
phenolplast
proton-bombarded
quartisternal
Raphidopus
rawlsians
rheological properties
Rosa alba L.
Roto drafter
Salmocid
scheduled air line
Shawneetown
shuvosaurids
signalling by hand flags or arms
stannylium
star-sign
stomach liking moistness and disliking dryness
SunView
swine influenza bacillus
taro
tatbestand
TBKU
tennis thumb
thwart-saw
toe-tappers
Uname
unqualified call
urban-mobility
ursigram
Vaccinium dunnianum
valt
vibration rotation spectrum
wan-thriven
yoke section