n. 台湾白树

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(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

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
-tuple
acoustic interaction
AGL
airplane rig
area utilization factor
as ever was
backgain
basophilic punctate erythrocyte
bear's-foot
bioluminescence photometer
blackfin cisco
blepharokeratoconjunctivitis
bretzs
calender cut
caroluss
channel error statistics
child osteology
chu t'ung wu
circular plate
climbing fiber
code selection algorithm
comparative common-size balance sheet
compound cleaner
computer time sharing
cumberbunds
dermatopathic lymphadenopathy
digital licensing indemnities
drives
el-hajj
elastic bitumen
electrodynamic relay
etech
exemplificatory
exploratory testing
fellowred
GEJ
graphical recording
grievous
gypson
import component
indirect system
inextensed
interrogation responsor
jania rubens
location in plain region
Maesa ramentacea
make a good landfall
manager's share
marine planetary reduction gear
meehy
Microsoft Foundation Classes
motor structure mass
n-enanthic aldehyde
natural law function generator
negative delta
NHE
non rational function
one's lone
operating flow
over-printed resist
oxidative sparging
parallel gap welding
passion pop
perisinuitis
phase shift magnetometer
priele
punyard
quasi albedo approach method
r.i.p
radiation streaming
rear main shaft
red-tailed
registered telegraph address
reserve for bad and doubtful accounts
ripped into
roughing milling cutter
schwarz-schilling
sea sturgeon
Sihaung Myauk
single-scale meter
sinkless
Smilax rotundifolia
smolik
solution concentration detector
Sorbe, R.
spavens
steade
stella mccartney
synaptases
term of maintence
tetraploid plant
tetrathecal
theater air logistics
tris
triticum araraticum
Tveitsund
ugt.
veteran practioner of TCM
Watson's operation
workstock
wpri
Zarathustrians