[化] 对苯基苯酚

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(84) / 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(72) / 评论(0) 分类 Scientific American(三)月

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(73) / 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(56) / 评论(0) 分类 Scientific American(十一)月

BRUSSELS, May 31 (Xinhua) -- Baby bottles containing the substance Bisphenol A (BPA) would have to be pulled from the shelves across the European Union (EU) starting from Wednesday, in a milestone move to better protect the health of EU citizens, an

发表于:2019-02-08 / 阅读(52) / 评论(0) 分类 英语新闻

Tea has complex compounds called polyphenols which are believed to help the arteries to relax or dilate, thus enabling a smoother flow of blood. 茶中含有一种叫多酚的复杂混合物。这种物质据信能帮助放松或扩张动脉,从而使

发表于:2019-02-17 / 阅读(93) / 评论(0) 分类 实用英语
学英语单词
80-column card
aerodrome forecast (af)
afro-brazilian
aiBpocampus minor
akoto
albutoin
AMS, A.M.S.
asadabad (chigha sarai)
auntdom
baptismal certificate
basal-cell epithelioma
be alert
beglerbegs
bergenite
beta endorphins
bridge agent
brothers in law
brundidge
bunch compression
carrier bags
Cassegrain reflector
centimeter-gram(me)-second
Chiers
class scyphozoas
classical statistics
comes full circle
Corsiniaceae
determinant search method
development life cycle
differential monometer
disappointedly
dragon trees
e.t.
ecblastesis
endosperm nucleus
ernst maches
espantoons
exogenous infection
factorships
fanlike structure
fiber strengthened
flashing light for huge vessel
game the system
garden gnome
gas-turbine driven generator
generant
genus lysilomas
Gley-podzol
glost kiln
GM_past-perfect-simple-i-had-worked
ground-state splitting
horizontal redundancy check
indogenide
installation of tail shaft seal stuffing
international claims
International Rice Research Institude
ionogenic surfactant
kingianum
ledburies
leg length discrepancy
letterwise
loxy
maladaptive attribution
margate-fish
marine petroleum development
megalosaurid
method of equal effect
milled helicoid
nonidentically
nonsustainable
nonvegetable
ordnance storeroom
Ouaouizarhte
packframe
percentage average deviation
phase-to-phase spacer
Philydrum lanuginosum
pikery
plate rail
polypetalous
private domestic demand
project approval document
proton reaction
quadtrees
radio active isotope
rattle-bush
reap-time
rhizophydium patellarium
rolling-element bearing
rybanne
security rights
selfdom
semi-wildcat
Slovenj Gradec
spilling breasing wave
surface evaporation
training guided missile
Urias
warp angle
went a kittle way
what's-his -name
wholly - owned subsidiary