聚合物添加剂

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(97) / 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(125) / 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(108) / 评论(0) 分类 Scientific American(一)月

Asthma by John Russell With World Health day on 7th April, this week we take a closer look at a very common health problem. Does your chest regularly feel tight? Do you find it difficult to breathe after light exercise? Do you sometimes make a wheezi

发表于:2019-01-02 / 阅读(247) / 评论(0) 分类 英语音频杂志

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(112) / 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(139) / 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(120) / 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(166) / 评论(0) 分类 Scientific American(四)月

This is the VOA Special English Development Report. One of the best ways to protect yourself and other people from getting sick is to wash your hands with soap. To make soap, you need three main things: oil, water and lye. The oil can come from anim

发表于:2019-01-11 / 阅读(113) / 评论(0) 分类 VOA慢速英语2008年(十二)月

AS IT IS 2015-08-12 Thai Treat is a Sweet Bite of History 泰国美味甜品的历史 The Chao Phraya River is an important part of daily life in Thailand. The Chao Phraya flows through Bangkok on its way to the Gulf of Thailand. Years ago, many immi

发表于:2019-01-12 / 阅读(100) / 评论(0) 分类 2015年VOA慢速英语(八)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(78) / 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(166) / 评论(0) 分类 VOA标准英语2016年(二月)

Cleaning and sorting plastic made out of multiple polymers can be relatively expensive, 清理和将多种聚合物制成的塑料进行分类的成本相对昂贵, especially if it is used to make low value products such as packaging. 尤其是这些

发表于:2019-01-26 / 阅读(119) / 评论(0) 分类 经济学人科技系列

An Indian restaurant is set to become the first takeaway in the world to deliver its meals to customers' doorsteps by drone. 一家印度人开的餐馆要成为全球第一个使用无人机将外卖送至客户家门的餐厅。 The Don, in Milton

发表于:2019-02-01 / 阅读(85) / 评论(0) 分类 阅读空间

BEIJING, Jan. 25 (Xinhua) -- China has set a goal of equipping at least half of the country's county-level administrative regions to monitor various contaminants and harmful ingredients in food by the end of 2013. A new work plan, released on Friday

发表于:2019-02-06 / 阅读(112) / 评论(0) 分类 英语新闻

Like its name suggests, the ice cream banana is sweet with undeniable hints of vanilla and its skin even appears frosted, starting out as a bluish-green color before it ripens. 看名字就知道,雪糕香蕉应该是很甜的,绝对会散发淡淡

发表于:2019-02-06 / 阅读(144) / 评论(0) 分类 阅读空间

The revised laws will include much stronger civil, administrative and criminal penalties for both offenders and their supervisors. Those who violate the new food safety laws will face fines of up to 30 times the value of their products. The current p

发表于:2019-02-13 / 阅读(132) / 评论(0) 分类 英语新闻

His main work done, Patterson now turned his attention to the nagging question of all that lead in the atmosphere. He was astounded to find that what little was known about the effects of lead on humans was almost invariably wrong or misleadingand no

发表于:2019-02-17 / 阅读(69) / 评论(0) 分类 万物简史

AVOID PROCESSED FOOD ADDITIVES 拒绝食物添加剂 The bacteria in our bodies outnumber our cells by ten times. Collectively, they are called our microbiome and it turns out to have a sweeping say in whether we live robustly to a ripe old age. 我们

发表于:2019-02-17 / 阅读(81) / 评论(0) 分类 阅读空间

Six New Year's Resolutions Getting healthy need not be overwhelming. Here are six simple, straightforward ways to get on track toward optimum health in the new year. 1. Post It On the Fridge! Adopt the Anti-Inflammatory Diet The anti-inflammatory die

发表于:2019-02-17 / 阅读(121) / 评论(0) 分类 阅读空间
学英语单词
adjusted ring length
air-feeding
annular coil
anti-stokes atomic fluorescence
AOO
at outside
Borrelia theileri
Brassaiopsis fatsioides
burdeners
Cerasus yedoensis
cirques
cone number
creeping featurism
creeping palsy
crystal-meth
D-chalcose
Demodex bovis
downcomer tube
energisers
explosible
filter operating table
finger-stool
fish population size
flash method
foxer
gas buffer tank
gauffer calender
gifted month
giving you up
God the Father,Son,Holy Ghost
green-energy
gyro scope
hamiamblyopia
Hatvan
hepatomas
highboy
iaq
incline bench press
lermontovs
leucocytozoa
libfem
master-meter
menispermic acid
meson physics
micro-domains
microliter syringe
microwires
monofilament yarn
most advanced industry
motion axes
Nakhon Si Thammarat, Changwat
nanjemoy
nashotah
natrium ascorbicum
Neo-Geramine
nonchalky
nonpensionable service
output of systems analysis and design
package bid
parasitic power
passive satellite
penalty price
percentage destruction of reducing sugars
perovskite catalyst
photocycloreversions
photon fluctuation
platform technology
pull-downs
pulse rocket engine
reedily
report on assessment for marine environmental impact
reveiw
samarins
saposhnikoviae radix
saumurs
scir
seismic risk analysis
series resonant converter
Shiokubi-misaki
show box
sialology
sider-
silico-
smartle
SPC Credit Limited
spreading center
standard cationics
surface contact hole
temperature distortion
temperature probe
tetraclitella darwini
three-way signal
turret lathe turning
Underwrap
utilization heat rate
vessel with wave-piercing hull
visitandines
vital area
waxy distillate
wet-on-dry
wettig
wheeler-dealings