聚合半导体

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(78) / 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(64) / 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(107) / 评论(0) 分类 Scientific American(四)月
学英语单词
adenocarcinogenesis
adhesive formulation
alkynylations
angle-parking
apparent quality
apple pear
assecured
aucuba japonica
autoserodiagnosis
bad schonborn
Bayaz
bowling-alley test
brazelton
chummage
cluster of grains
coastguard cutter
cutaway dive
cyanoformic ester
dead center
dermestoid
distillation trap
do all tractor
double side open wagon
DPS
e-piracy
epidictic oratory
etsus
exhaustion region
fizzell
flexural failure
four position valve
frequency marker pip
Getic
gloot-
high sensitivity oscilloscope
Homans'sign
human renin
hurthle cell carcinoma
hypertrophia ovarii
increasing hazard rate average (ihra)
inner lining of facing
khalfan
laboratory vehicle
laser large screen display
Les Hayons
lumped constant circuit
manual-balance instrument
medical operations
microfarad meter
na-quar
naphthalene derivatives
neapest
Neogynon
NKHA
no drift nozzle
non-observable
off the chart
parveen
peter's embryo
photometric diameter
pilfers
posterior funiculus
power of a lens
Preble County
precession of declination
propenals
pulmonary cartiIages
pulp electrical test
Qihaishu
reinforced brickwork
relative height
Rhamnella juliana
Rynda
salfranine
saron neglectus
satin stripes
sea-cook
shallow and narrow channel navigation operating mode management
soan r.(sohan r.)
social theory
soluna
special-assignment
splanchnic mesoderm
stalks
substatutes
sukerato callosa
sungar
supremum
surface mount component placement machine
table-drive
Tea-spoonful
tenancy by the entirety
thermal movement
theses
trot someone off his feet
ulven
user-defined function
ver-
viridibufagin
virtual address component
wiper ring
x-ray emitter