[网络] 聚合抑制剂

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
acoustical doppler current profiler (adcp)
ammoniated latex
antileishmanial
asymptotic slope
atmospheric spectral transmittance
autofits
back-pressure testing
Beni River
benzoflavine
biology teacher behavior inventory
bodily injury insurance
Cardamine calcicola
cast-weld
catchment area survey
centre brake flange
cerebral hemorrhage
coal drop
combating ageing
Conan Doyle, Sir Arthur
condensate automatic regulation
convergent control
conversion transducer
depathologized
design efficiency
Dihydroneopine
dine and dash
discourse upon
display ad.
elliptic cylindrical surface
energy waste
equity participant
falsified scence of a crime
free-ended
gigacoulombs
Grobming
ground plane antenna
hemiplegia
heterodyned
hum potentiometer
hyperpancreorrhea
IDOD
initial strain
intercomparison
interest bearing bank debenture
international (system of units (s i u )
isabellas
jolicoeur
king vulture
left recursion production
licence to trade
light flux sensitivity
Liparis esquirolii
lopping
make a victim of
menstrual history
mirabeaux
mixed-up
moistureproof paper
moldman
neutral rights
oradexons
orthosubstitutions
oryxes
overload valve
oxynoids
pachymenic
permenent dentition
pinnaspis hibisci
polyurea synthetic fiber
Protomastigida
public lighting
quality of site
quick-acting regulator (high speed regulator)
residual stress measurement
rudder section
running flush
salivary chromosome map
Salzer's test-meals
saprolegnia unispora
sekhets
session authorization check
set index instruction
ship motion
stated limit
streatleys
studded with something
subspectral
superhigh pressure hydraulic press
supervise algorithm
telecommunication engineering
thecium
thermal damage
thymic struma
triticeous nodule
unsuppressible suppression
value of resources
VHC
water-chestnut
wobbly Thursday
woolstock
xdb