锑聚合物

The most popular toys this holiday season, as you know, if you're a parent, are zhu zhu pets. They're little robot hamsters that move around or something and there're people going crazy for them. Zhu zhu pets are manufactured in China, and over the w

发表于:2018-12-07 / 阅读(449) / 评论(0) 分类 访谈录2009

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(303) / 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(357) / 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(283) / 评论(0) 分类 Scientific American(一)月

Lowering the Ceiling on Roof Energy Losses 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 traditional black asphalt roofs heat up in summer and s

发表于:2019-01-02 / 阅读(326) / 评论(0) 分类 60秒科学

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(416) / 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(308) / 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(407) / 评论(0) 分类 Scientific American(四)月

Research Breakthrough for Biodegradable Tires? 研究人员研发完全可降解轮胎 Researchers say they have created a new synthetic rubber that could be used to make biodegradable tires. A team at Texas AM Universitys campus in the Gulf nation o

发表于:2019-01-12 / 阅读(285) / 评论(0) 分类 2016年VOA慢速英语(九)月

'Smart' Bandages Could Heal Wounds More Quickly 智能绷带有助更快治愈伤口 Simple bandages are usually seen as the first line of attack in healing small to moderate wounds and burns. But scientists say new synthetic materials with embedded

发表于:2019-01-14 / 阅读(417) / 评论(0) 分类 VOA标准英语2016年(二月)
学英语单词
a-to-ds
antonio
astre
Auric, Georges
basal metabolic test
becaplermin
bi-CMOS compatibility technique
bibliophagy
black englishes
blue - eyed boy
calculatingly
calm water speed
cartel agreement
cervical caps
chargeabler
cheesegrater
consistency regulator
Cransac
crawler-mounted excavator
crs.
dactile
delusions of power
dementholized peppermint oil
dendrologist
directing sign
dodunk
duilio
ego formation
elreedy
elution
endarch protoxylem
factorable
feucht
genus hippocampuss
genus viperas
geography of handicraft industry
get above oneself
Gmelina chinensis
good sort
grasps
Grimaldiite
grisonomycin
handler size
heatcure
high-velocity cloud
Hypopitys monotropa
iglesiass
input output port
Lesvos, Nisos
leukoodermia
liquid prism
LONGL
loop dialing
man-of-law
Managers and Brokers Regulatory Association
matriarchal clan society
megaparsec
Mendefera
midshower
monoscope pattern
Ncardia
new chum
nuclear resonance magnetometer
optimum linear predictor
overreached
pecuniary offence
perturbed periodic potential
phosphoretted hydrogne
pisoodonophis cancrivorus
population rate
powered-down
production registry system
pronormoblasts
red-crested pochard
reelup
reference net
resistance-capacitance constant
ret.
ricoes
ride a trot
row column headers
servitude to by-product
Sphenisciformes
stop emergency trip fluid
strip-leaves
subsurface incineration
survey point
texture-tone analysis
thimble assembly
tiger lily bud
toggle bolt
tongolense
tongue crib
trade repair
trans-form
us nco
variable-pressure accumulator
viansa
Virgoans
Webb furnace
weighed integral
wire mooring line