[化] 聚合物辐射降解

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(54) / 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(81) / 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(63) / 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(79) / 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(65) / 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(108) / 评论(0) 分类 Scientific American(四)月
学英语单词
a nail in one's coffin
active wiretapping
admissible concentration
AFP (auxiliary feedwater pump)
Aindling
align reaming
allergic to drug
Anthithamnion
anti-folk
array reflector
arthrotyphoid
Arundel
astara rayonu
backtrace
Bailique
be in league against someone
be of service to
Beauty is the eyes of the beholder
Cevico Navero
chartering company
CNDW
compliance range
cross point
cross-flow fuel element
cryodamage
DBLSPACE
dependent agents
device message handler
double-bounded dichotomous choice
drum interface
dyszoospermia
echo boomer
electrically-controllable read-only storage
failsafety
gjetost
gradener
graph algorithm and software package
Gronwall inequality
Hamburger phenomenon
hullabaloo
imager
interlocking guard with guard locking
intraglomerular
ismailiyas
Kalkchromgaranat
Kirshite
laser-guided rocket
lienomyelogenous
linear query
list of piping erection
magnetic drum control unit
manuelo
microcomputer instrument
Middle America Trench
Miss Marple
Mondoubleau
mooring dolphin
Mosfellsheidhi
multichain
multiple dependent claim
multiple rocket launcher
neruropsychiatry
nomothetical
not tear one's eyes off
omnium-gatherum
onion skin language
otte
overarching
polycausal
polydispersed
post-exercise
pulmo-cutaneous vein
quiescent line
quinquedens
redeliveries
reestated
regenerative adiabatic operation
reporting pay
ring transformer
rolling
San Antonio R.
senitol red
son in law
stator sole plate
stimulus-response model
systematic organic chemistry
take pity on someone
tanguile
telemetrically
thorb
thymus dependent areas
thyratron motor
tin-coated copper
tumo(u)r biophysics
twin masts
unique continuation
V-type ash hopper
vertical stations
wastie
Weakly Acid Blue 5R
wellgiven
whale's guide