含硼聚合物

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(147) / 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(178) / 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(158) / 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(163) / 评论(0) 分类 60秒科学

New Report Shares Secrets of Rare Blue Diamonds History The Hope Diamond is one of the worlds most famous jewels. It was in the possession of a series of people: kings, bankers, rich women and thieves, before its arrival 60 years ago at the Smithsoni

发表于:2019-01-03 / 阅读(200) / 评论(0) 分类 2018年VOA慢速英语(八)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(210) / 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(164) / 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(213) / 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(122) / 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(233) / 评论(0) 分类 VOA标准英语2016年(二月)
学英语单词
Acele
all-russian
amthav
anti-glare screen
antitropin
asperous
Barentsa, Ostrova
beet breeder
Big Lake
Bonīābād
capripoxvirus goat pox
centering member
Cephalantha
channel hopping
chaotic boulder clay
cibolero
clathrins
cod fish
condition entries
cooperative advertisement
crossfade
cytherella shengmu
delthyrial plate
dendrobium hercoglossum reichb.
detonability
dorsal muscles
doublet and hose
dryolestids
EIF
exchange rationing system
exorheic
exponentialities
full of romance
full type roller bearing
gasoline splitter
glitter ice
Golden Ass
guttermouth
hegemonisms
hepatizes
hypo-differentiation
insubstantiate
intercostal herpes
isothiazolinones
jacquard knitting
juke-boxes
Kapsukas
Lausame School
lice-bite eruption around the pubic region
linatex
lipotoxic
Lotfabad
medulloarthritis
microtac
morbus herculeus
mouth collar
multiloquent
Munayshy
naghdi-cooper shell theory
negativization
nibea acuta
ochroleucus
Oketo
overmickle
owl car
oxygen-acetylene ratio
particulars of offense
penalty cost
perichordal mesenchyme
periclymenum
posterio-medial angle
pressure-test
pseudotuberculous ophthalmia
purgatoric
radar data converter
repository system
Roruks
salivary calculus accretion
Samurai market
screen intensity
screenables
sections
sensible lever
sex pheromone of Plutella xylostella
ship safety inspection
shroedinger
skew symmetric multlinear mapping
smooth airgap
static granitization
steel door buck
stock-for-stock
sweetworts
Synopsis of Treating Women's Diseases
thorough cleaning
trapezoidal system
unloading side
vegetative micellium
vesicoureteral reflux
Voznesenovskoye
wave absorber
William Clito
yield per pass