乙炔化学

As It Is - Remember Your Chemistry Classes? An international team of researchers recently reported creation of a new element that is 40 percent heavier than lead. The researchers successfully developed what they are calling Element Number 117 at a la

发表于:2019-01-03 / 阅读(64) / 评论(0) 分类 2014年VOA慢速英语(八)月

Having the opportunity to take on a diverse range of classes such as economics and chemistry along with her music studies is the perfect combination for Diane. Marsha James | Washington DC 10 August 2010 Oberlin Conservatory of Music Student Diane Ly

发表于:2019-01-13 / 阅读(50) / 评论(0) 分类 VOA标准英语2010年(八)月

This years Nobel Prize in Chemistry is about the worlds smallest machines. G?ran Hansson, secretary general of the Royal Swedish Academy of Sciences, earlier this morning. The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Priz

发表于:2019-01-17 / 阅读(79) / 评论(0) 分类 2016年Scientific American(十)月

By Tom Rivers London 07 October 2009 Ada Yonath (file photo) Two Americans and one Israeli share this year's Nobel Prize in Chemistry for their work showing how the DNA code is translated into life itself. Americans Venkatraman Ramakrishnan and Thom

发表于:2019-02-03 / 阅读(53) / 评论(0) 分类 VOA标准英语2009年(十月)

By Kevin Billinghurst Stockholm 10 October 2007 The 2007 Nobel Prize for Chemistry has been awarded to Gerhard Ertl of the Max Planck Society in Berlin. Kevin Billinghurst has the story from Stockholm. The Royal Swedish Academy of Sciences honors Pr

发表于:2019-02-04 / 阅读(52) / 评论(0) 分类 2007年VOA常速英语(十月)

A Japanese and a pair of American scientists captured this year's Nobel chemistry prize for discovering a glowing green protein in jellyfish that can be used to spot the beginning of diseases like cancer. Lisa Bryant has more on the prestigious awar

发表于:2019-02-06 / 阅读(47) / 评论(0) 分类 VOA标准英语2008年(十月)
学英语单词
Acetalgin
acrylonitrile-acrylic ester-styrene resin
acylated starch
agate spherical jewel
air phase volume
al batra (petra)
ameliorator
Andrelandia
antialbumin
antiatherogenicity
Aristolochia macrophylla
avant port
Bacsbokod
biological engineering
blowing rate
BOCAT
Buxus megistophylla
C-V-DNA
carona
center parcs
centre-tapped primary winding
cheifest
Corydalis stenantha
curve-drawing ammeter
cusumanoes
decidings
discrete unit
disjoining
doppler principle
downwellings
eard
Einstein's formula
equivalent sectional radius
euonymus viburnoides prain
field emission
flat tuning
four-footer
granulomatous enteritis
gravitational system
Heidenheim
help screen
heptadecamers
houseshares
iridallochrosis
kinetic head
lamingtons
lanigera
larruper
laryngroentgengraphy
leucoencephalomalacia
lithocarpus dealbatus rehd.
mackadocious
median unbiassed estimator
mental activity
metronymy
microwave-powered aircraft
n. u.
non symmetrical section
number of defectives
ofswink
omim
one shots
paired allosome
phosphor fatigue
photo-autotroph
pickled sweet cucumber
portuense
prickal
put the brakes on
Ramsthal
range spectrum
receiver technics
reduce the speed
ringworm yaw
rolands
rubidium iodate
runian
s own
scarn (skarn)
series-chain model
set sth aside
severance type break
shed light on
sighful
silicon-on-silicon waveguide
sodium orthophosphates
south foehn
spring clip spacer
stance
starbursted
stick
succinoxidases
sunbeam snake
suspense receipts
theory of systemic grammar
tuckneraria laxa
unempolyment
unirritated
valve deposits
vitler
vivianoes
wriggle room