空气品质感测器

Water is a necessary resource for the health and survival of living things. But the availability of fresh water is decreasing for much of the worlds population. The United Nations estimates that about 3.6 billion people currently live in areas that f

发表于:2018-12-08 / 阅读(187) / 评论(0) 分类 2018年VOA慢速英语(十)月

A new report from the Ministry of Environmental Protection has revealed Beijing is at the center of China's worst area for air quality. CRI's Lucy Du has more. Reporter: The new report says in 74 Chinese cities, the average air quality readings only

发表于:2018-12-19 / 阅读(154) / 评论(0) 分类 世界各地新闻集锦

By Sarah Dickens for sino.uk Crawling the last few hundred metres of its staggering 12,451 kilometre journey, the first ever Block Train' arrived right on schedule to applause from gathered dignitaries and industry officials. Just 17 days earlier, on

发表于:2018-12-19 / 阅读(168) / 评论(0) 分类 2017CRI中国国际广播电台

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Real-time information about whats happening in our bodies at the cellular level could be crucial for fighting cancer and other life-threatening conditi

发表于:2018-12-24 / 阅读(185) / 评论(0) 分类 Scientific American(十二)月

Air pollution outside is easy to spot, hanging over the city, or sputtering from a tailpipe. But there's lot of indoor air pollution, too, even if it's not as obvious. It's caused by volatile organic compounds, or VOCs. They can come from building ma

发表于:2018-12-24 / 阅读(202) / 评论(0) 分类 2016年Scientific American(八)月

One of the most exquisite heat sensors in the worldits not in some government lab. It's in the head of a snake. The pit viper, to be specific. They're incredibly sensitive. They beat any of the synthetic counterparts, even the most expensive semicond

发表于:2018-12-24 / 阅读(171) / 评论(0) 分类 2017年Scientific American(二)月

By George Dwyer Washington, DC 22 March 2006 watch Fair Trade Coffee report Coffee plant Small farmers make up three-fifths of the world's 25 million coffee producers, but typically they receive the s

发表于:2019-01-09 / 阅读(216) / 评论(0) 分类 2006年VOA标准英语(三月)

Well, I was born with a rare visual condition called achromatopsia, which is total color blindness, 我出生在一个色彩极少的世界,世界只有明暗之分,这叫做全色盲 so I've never seen color, 所以我不知道什么是颜色, a

发表于:2019-01-18 / 阅读(171) / 评论(0) 分类 TED演讲国际问题篇

The government will issue real-time air quality monitoring data in 74 cities starting January 1st. The Ministry of Environmental Protection says the data will include PM2.5, a gauge which monitors fine particles with a diameter of 2.5 microns or less

发表于:2019-01-19 / 阅读(168) / 评论(0) 分类 英闻天下

China's energy production relies heavily on coal-fired power stations. As the world's highest emitter of greenhouse gasses, China consumed more than 400 million tones of coal last year. As many parts of China have been shrouded in a gray haze over th

发表于:2019-01-19 / 阅读(161) / 评论(0) 分类 英闻天下

Multinational firms, including PricewaterhouseCoopers, J.D. Power and WPP, have spent thousands of dollars installing air filtration systems and real-time monitoring devices. These are booming times for the clean air industry. Louie Cheng, Chief Exec

发表于:2019-01-19 / 阅读(173) / 评论(0) 分类 2015CRI中国国际广播电台

As search crews continued to look for more bodies and wreckage from last week's Air France plane crash, the French carrier has decided to immediately replace suspect speed sensors with new ones on all its long-haul Airbus carriers. The speed sensors

发表于:2019-02-02 / 阅读(164) / 评论(0) 分类 VOA标准英语2009年(六月)

BEIJING, Jan. 22 (Xinhua) -- Beijing will strengthen its efforts to treat PM2.5 and slash the density of major air pollutants by 2 percent this year, the municipality's acting mayor said Tuesday. The capital will take 180,000 old vehicles off the roa

发表于:2019-02-04 / 阅读(195) / 评论(0) 分类 英语新闻

BEIJING, June 7 (Xinhua) -- Disputes regarding the quality of Beijing's air have sparked criticism against the Chinese government for allegedly dismissing its responsibility to provide a better environment. The U.S. embassy in China releases hourly a

发表于:2019-02-04 / 阅读(157) / 评论(0) 分类 英语新闻

Cat lovers of the world, rejoice! You finally have the chance to understand what your pet is saying thanks to a smart collar that can interpret feline meows and translate it into human speech. Aptly named Catterbox, the collar supposedly has a digita

发表于:2019-02-04 / 阅读(216) / 评论(0) 分类 实用英语

By Chad Bouchard Yogyakarta, Indonesia 15 December 2006 Government leaders from around Asia have pledged to boost air quality control programs in some of the most polluted cities of the world. As Chad Bouchard reports from the Indonesian city of Yog

发表于:2019-02-05 / 阅读(224) / 评论(0) 分类 2006年VOA标准英语(十二月)

BEIJING, March 2 (Xinhua) -- A Chinese official on Saturday urged speeded efforts to improve air quality in cities, saying the people cannot wait too long for the air to be cleaned. Eighteen years is too long to wait, said Lyu Xinhua when asked to co

发表于:2019-02-08 / 阅读(224) / 评论(0) 分类 英语新闻

The Beijing Municipal Environmental Protection Bureau said on Wednesday that it fined local polluters 183 million yuan, or roughly 28 million US dollars last year, witnessing a drastic increase from 2014. Captain of the bureau's environmental supervi

发表于:2019-02-14 / 阅读(149) / 评论(0) 分类 2016CRI中国国际广播电台

China has seen more cities meet required air quality standards over the last year, and is now planning even more measures to tackle air pollution and protect blue skies. Li Ganjie, China's Minister of Ecology and Environment, says air quality improve

发表于:2019-02-14 / 阅读(163) / 评论(0) 分类 2018CRI中国国际广播电台

Beijing's municipal authorities will issue new regulations to improve air quality by the end of this year. The smoggy weather has affected a total area of 1.3 million square kilometers in China recently. The new regulations include higher standards f

发表于:2019-02-21 / 阅读(167) / 评论(0) 分类 英闻天下
学英语单词
691
acoustic emission detection system
Adelmann's method
aeronautical law
aggests
aircraft repair ship
allaesthetic
arteriae helicinae
backwash rate
ball-point pens
Ban Nong Panha
biarticulate antenna
binary switching energy limits
Black as Newgate's knocker
BPS-T
candle in the wind
capillary actions
centre of gravity range
cobalt smaltite
decussion
Dedoplistsqaro
Dendrobium densiflorum Wallich
double bottom test
electron-shells
end-door car
fog nozzle
gas drive zone
geometrical parameters
Hadim
hatch chickens
Hauser's sttain for spores
Hellenistic religion
high speed cutting
hollow chisel
Hyalinea
igedur
imitation fruit jelly
intensives
internal cooling generator
intraocular coenurosis
isobutyl xanthate
Jearim
kohli
kooyah
Lake Tai
lathe sword
leisure facilities
linear operators
lines of verse
livestock judgement
localized distortion
manual scram controls
marginal accounts
Menetryl
micro-electromechanical
minin rays
molineaux
morphological convergence
mosher
mouse skin
negative osmotaxis
nitro explosive
non-ferrous alloys
octapophysis
operating command
Oppanol
optimal policy mix
ordnance store
organic matter degradation
paint staining
plasmaron
produits
radicchios
reactor super-criticality
residue extraction mechanism
s mare
salad plant
Sassenage
schwenn
scriptoria
sebi-
selective perforation
sheltron
shifting counter
shipping order
siward
slowness surface
solid-slug lattice
sportdivers
structured Cartesian coordinates
suzannahs
targusic acid
triphenyl-succinic anhydride
twerle
uphill side
urogenital medicines
vacuum bakeout
VCSA
vodka luge
Vogt's point
waxy soap
welby