[化] 低分子聚合物

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(76) / 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

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

图片1 图片2 图片3 图片4 图片5 图片6

发表于:2019-01-28 / 阅读(44) / 评论(0) 分类 汪培珽分级书单(一)A Picture Reader系列
学英语单词
angero-
aponeurosis musculi bicipitis brachii
approximate theory
artificial ventilation
associative data structure package
atactiform
ax(i)o-
Bainbridge
batwing sleeve
bevelling plane
boost prices
boys' toys
butobarbitone
buttress foot
cable spool
Cargo Trace
center-to-center
chart sizes with window frame
chrysol
combed lap machine
crescent bodies
cunning linguist
datastrom assembly system (das)
diffusion-age approximation
dispatcheth
distributed multimedia system
elastic theory
element mineral
exergues
federal communication court
fistuloenterostomy
forelimbs
ghostking
glenoid
Grates Cove
H-cable
headswoman
heat-retainings
holding (hldg)
host VM
Hydrocharis L.
hydroethyl cellulose
in virtue of
infected abortion
international law enforcement agency
Knollendam
leporids
loan system
LOPAIR
manners of a prince
melting point curve
methium
microgon
monopol
mourant
mvtampicillin
mystacides dentatus
niacins
notification area
Novosibirskiye Ostrova
OF-HA
OPRREV
orchard mist sprayer
Ortho-aminosalicylic acid
overload meter
Packet Switch Node
panagglutinability
pattern discrimination
pavlovsks
Pelicano, L.
plumbous sulphate
Pokój
prosperity through productivity
republics of chile
retaining bands of skin
rising temperature
roadsigns
routine technology
run one's mouth
Russophiles
schizothorax
second kind
secondary out
sestine
shroud support
skiagraphic epilation
Slovak
split cheque
stereophotomicrograh
strike dead
subviscid
sumbitches
synchro tramsmitter
taractichthys steindachneri
telescopic caisson
test voltmeter
thegns
Tonga Islands
total energy balance
upper differential coefficient
yari-yari