环氧聚合物

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because

发表于:2018-12-24 / 阅读(77) / 评论(0) 分类 Scientific American(三)月

Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c

发表于:2018-12-24 / 阅读(60) / 评论(0) 分类 Scientific American(一)月

1、一字螺丝批 slot type screwdriver 2、一点透视 one-point perspective 3、二合一黏合剂 epoxy resin adhesive 4、二合胶;混合胶 epoxy glue 5、二维的;平面的 two-dimension

发表于:2019-01-03 / 阅读(51) / 评论(0) 分类 英文名句短语

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor

发表于:2019-01-08 / 阅读(78) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(107) / 评论(0) 分类 Scientific American(四)月

GWEN IFILL: Next: replacing surf shops with start-ups, as tech titans move to catch some rays and some waves.Steve Goldbloom reports. STEVE GOLDBLOOM: In San Francisco, computer programmers are like rock stars. Here in Los Angeles, the rock stars are

发表于:2019-01-27 / 阅读(54) / 评论(0) 分类 PBS访谈商业系列
学英语单词
3-Dimethylamino-1-propylamine
acquisition, data
admittance wave
Adonis chrysocyathus
akiskal
alloy phototransistor
annullers
Antonio Allegri da Correggio
apathy
Baateng
beavercreek
carolings
chlorphenoxamine
city-protection dike
civil rights activist
Cling to hope
coefficient of grounding
conceptualisms
conduritol
converting pipe
cultrue industry
curvilinear flight
cyberdelic
deoppilates
deverbal noun
dihydroharman
double-sideband multiplex equipment
Dysoxylum excelsum
earnings before interest and tax
exsufflation
feston
fishing fee
flash welder
front cut
Graphidium
guaranteed surrender value
hangline
higher isotopes
hit-andrun
Hogne
huckle
ID identification
incumbents
infrared photodetector
issenmann
jacamars
kentes
limb-girdle muscular dystrophy
limonia (dicranomyia) tattakae
lunar topology
mean tone scale
milkfishes
moderate length
N-Ethylglucamine
naissant
nanodiagnostics
Nonpressin
number of days sales in inventory
one-two-three
palmital
petroleum substitute
photolithoprint
Phyllostachys nuda
piloted head
Powys County
proportion with equal means
quasi experiment
read only subpool
recatholicization
sacalait
sacral part
schedule drawing
Schiaparelli, Giovanni Virginio
screw-type
skip loading pocket
sociology of war
somerby
spin up state
spline slip yoke
steam purity meter
submarine sulfur mining
superior gluteal lymph nodes
syringa josikaeas
testicardines
the apple of one's eye
thrust motion
tilletia horrida takahashi
tipping bucket rain gage
to hold your breath
toxicityemission coefficient
traction for train exceed mass norm
tropospheric fall-out
variolic
viscerocepter
vitisidaea
warlording
weary with
werewolfism
Women's Land Army
WY2445
yhalden
zenithal rains