抗凝血聚合物

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(79) / 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(62) / 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(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
accelerating ability
adrenal medulla hyperplasia
air grommet washer
aiu (absolute iodine uptake)
Amygdalus amygdalus var. smara
angiolipoleiomyoma
answer timeout
automatic finetuning control
babax
bally show
base impedance
bathocuproine
body-righting reflex
carina of trachea
CLTA
conglomeratic mudstone
control orientation
countercharming
cultural selection
cuticle softener
datum ship
debigulating
deposititary institutions act (1982)
difco
dorsal lateral nerve of great toe
elevator spout
error rate of translation
euphyll
extracoital
extreme penalty
family bombycidaes
fantigue, fanteague, fanteeg
fast-casual restaurant
forced synchronization
fuel contral
full - length skirt
gas generating station
grain-feeding pen
gromet punch
gypsum accumulation
ice beer
imitation woolen paper
interest per mensem
invalid array
Java cat
kaonium
leaf node in AND/OR graphs
Lowitt's bodies
M (maintenance)
Magallón
magic-user
magnetic type voltage regulator
mechanical control measures
medium-chain fatty acid thiokinase
Mosla cavaleriei
Munronia simplicifolia
nankang formation
narrow slit
nebulosus
newbold
node equations
off sulphur iron
otherworldlinesses
oversell
paranasalis
Plasmodi equium
Ponzi financing
potter's earth
preliminary fuel filter
priar
privs
propaganda expense
reading guidance
redundant check bit
ribbon flame burner
rot away
Saemisch's section
self thinning
shtiks
single-shed insulator
sleeve rotor motor
soft and free expansion sheet making plant
something is anyone's guess
static classes
stemonitis axifera smithii
step aside
stomps
Strandveld
stress-related
subscaphocephaly
tetraisoamoxy-silicane
torridonian system
trimethylarsine oxide
Tripleurospermum inodorum
unipolent representation
unresponsiveness
vco
Versatrex
wendy's
yofortierite
Yondon