疏水聚合物

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
aerodynamics of wing
amarc
anti-inflammatory analgesic
antrim mts.
Antweiler
assummon
Atelostomata
bami
banner towing
bronch(o)-
butterfly nuts
cautery scissors
chart-topping
clemmys muhlenbergi
clit teasers
close string housed string
controlled tenancy
deeses
Depth Moulded
destructions
direct current computer
dome manhole
dual beam oscilloscope
dual-corer
earnings in foreign exchange
education survey of indigenous peoples
Ehretia resinosa
faragher
fibrocartilages
fine break-up
flight incidence
formatore
frontal belly
goal-achieving
got possession of
groghe
gun-firings
Gvisactin
Idrazite
Imo, R.
Ingrian
international system of nationally-held food reserves
interrupted signal
jolly-up
jumping correspondence
kephyr
kilogram (kg)
knockout game
level ridges
mandibulates
maxwell-boltzman energy-distribution law
milli-q
mouldinng box trunnion
multigigahertz
N-acetylpenicillamine
neck bones
nemanja
next in line
nondiscovery
nonpacket mode terminal
nonretaliation
old-new
overslow
overy
peptide chain of globin
periodic low
phenylpyrazole
Post-Zionist
posterior surface of eyelid
Prosthogonimus pellucidus
radar data transmission
rain detection radar
reference angle
relaxed oscillation
rhodoplast
ring grooves
rubidium tribromide
sandlot
scaptodrosophila scutellimbago
semi-enclosed motor
sent-
shift lever shaft
showereth
smoked herrings
solublised vat dye
starting cartridge
strontium maleate
Sudhebh, Doi
surplus from appreciation
tax affidavit
test tube holder
tetradactyle
tetragonal symmetry
thionic gleysols
thirst-quencher
thyreoglobulin
tonsillomycosis
turret-front camera
unclerically
v.j
Viggiù
zinc-copper-nickel alloy