音标:['di:-,pɔlimərai'zeiʃən; -ri'z-] ;
n. 【化学】解聚(合作用)

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Are your car bumpers riddled with scars from encounters with tight parking spaces? Did the furniture movers scratch your floor? Wouldn't it be great if t

发表于:2018-12-24 / 阅读(52) / 评论(0) 分类 Scientific American(四)月

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(74) / 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

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

Patients undergoing coronary bypass surgery need implants of new, healthy blood vessels. So do those who receive repeated hemodialysis due to kidney failure. The best option is to use the patient's own veins or arteries, but thousands of patients don

发表于:2019-01-08 / 阅读(62) / 评论(0) 分类 Scientific American(二)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(105) / 评论(0) 分类 Scientific American(四)月
学英语单词
administrator options
airport equipment
aluminium clad steel wire
amphibolus
anchi-eutectic
anisotropic diffractive optical element
anticentre of (earthquake)
argentinus
Aristobulus I
as.sailableness
bacillus septicus sputi
bank reconciliation statement
biphase coding
black and white rod pattern
brown soil
camporee
Cautoprotolysis
channel wall
chauvels
circulation drilling
cladophora ohkuboana holm.
Cortana
cost of price
counter electrode
DHM
endometriosis of bladder
entoplastra
enzyme protection capacity of soil
equal settling particle
etherin
fakeaway
fiber optic multiplexer
gamma-ray fluoroscopy
george w bush
half-fields
hamadjoda
harsh
helldriver
history of developing strategy
iceberg lettuces
jellied goods
Knapp's streaks
knight's tour program
kosslyn
laser flash tube
last resort target
LEUCTRIDAE
liner ring
loop component
Lorn, Firth of
machine grinding
maxillotoma
metallophosphatase
misreceived
Mitscherlich tower
motivity
muscle raspatory
national labor turnover
nerve block
nipah
nylon-string
o-iodoaniline
opportunist
ordinary test
Oxalis griffithii
Panxworth
partial-select input pulse
pelecaniform seabirds
persistent fetal circulation
phosphate assimilation
prevention of corrosion in boilers
proceduralists
professoriates
recrewed
reentry test facility
request for inspection
rod-knight
rosacea cutting
running through
Samatau
sea water pump
seam bowler
senior theater
setomimycin
shute
sial(sialsphere)
slovesnost
status monitoring
stochastic activities
submenus
support barge
Sīryān
Thalictrum rubescens
thermistor bridge circuit
tng.
transmale
types of music
ultimacies
undersaturated magma
was sick
wave front reconstructing record
work center load