[环境] 水处理化学

This is the VOA Special English Development Report. American officials say Secretary of State Condoleezza Rice will join talks on Zimbabwe this week at the United Nations. The State Department says the Security Council has failed to take meaningful

发表于:2018-12-01 / 阅读(186) / 评论(0) 分类 VOA慢速英语2008年(十二)月

1、从某些特殊情况外,专有名词 、抽象名词和物质名词前不加冠词。例如: Wisdom is better than strength. 智慧胜于力量 Blood is thicker than water. 血浓郁水 2、在表示交通工具和科学名称的名词前不加

发表于:2018-12-01 / 阅读(97) / 评论(0) 分类 薄冰实用英语语法详解

梁丽萍老师根据网友和学生回忆的版本还原出了以下的简约版流程图,并附上了参考范文,供考生们参考。 The diagram illustrates how rain water is processed into drinking water by using different facilities in an

发表于:2018-12-12 / 阅读(137) / 评论(0) 分类 雅思机经

As It Is - Remember Your Chemistry Classes? An international team of researchers recently reported creation of a new element that is 40 percent heavier than lead. The researchers successfully developed what they are calling Element Number 117 at a la

发表于:2019-01-03 / 阅读(128) / 评论(0) 分类 2014年VOA慢速英语(八)月

By Brian Padden Irbil, Iraq 27 September 2007 Recent outbreaks of cholera in parts of Iraq highlight the need for basic services like clean water.Development projects in much of the country have been delayed because of the deteriorating security situ

发表于:2019-01-07 / 阅读(137) / 评论(0) 分类 2007年VOA标准英语(九月)

Human Waste Killing Caribbean Coral In the first documented case of a human pathogen infecting a marine species, U.S. scientists say a bacterium in untreated human sewage is killing coral along the Florida coast and in the Caribbean Sea. The finding

发表于:2019-01-11 / 阅读(107) / 评论(0) 分类 VOA标准英语2011年(八月)

This is the VOA Special English Development Report. More than one billion people around the world do not have clean drinking water. Their water supplies are unsafe because of natural or man-made pollution, such as industrial chemicals or human and a

发表于:2019-01-11 / 阅读(90) / 评论(0) 分类 VOA慢速英语2007年(九)月

The International Committee of the Red Cross said it has begun disinfecting homes in Zimbabwe's capital in an effort to battle the cholera epidemic. Red Cross officials said the number of cases is soaring and more needs to be done to halt the spread

发表于:2019-01-13 / 阅读(79) / 评论(0) 分类 VOA标准英语2008年(十二月)

Having the opportunity to take on a diverse range of classes such as economics and chemistry along with her music studies is the perfect combination for Diane. Marsha James | Washington DC 10 August 2010 Oberlin Conservatory of Music Student Diane Ly

发表于:2019-01-13 / 阅读(109) / 评论(0) 分类 VOA标准英语2010年(八)月

This years Nobel Prize in Chemistry is about the worlds smallest machines. G?ran Hansson, secretary general of the Royal Swedish Academy of Sciences, earlier this morning. The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Priz

发表于:2019-01-17 / 阅读(152) / 评论(0) 分类 2016年Scientific American(十)月

So, in this suburb, the poo and the pee and the wash water are going to this treatment plant right in the middle of the community. 那么,在这片城郊,各种排泄物们和废水正涌向处于区域中心的处理池。 It looks more like a p

发表于:2019-01-18 / 阅读(73) / 评论(0) 分类 TED演讲科学篇

Those planets are all going to be so hot, and you cant develop something as complex as life. Scientists have gone back to the drawing board, looking to find worlds capable of supporting life, small rocky planets like earth. We dont know that life has

发表于:2019-01-22 / 阅读(90) / 评论(0) 分类 自然百科2010年

JEFFREY BROWN:And now to part two of our investigative look at the safety of America's drinking water. Science correspondent Miles O'Brien reports on the toxic chemical made famous in the movie Erin Brockovich, its potentially harmful effect on human

发表于:2019-01-27 / 阅读(157) / 评论(0) 分类 PBS访谈环境系列

DEVELOPMENT REPORT - A Small Packet of Chemicals, a Big Effect on Dirty WaterBy Jill Moss Broadcast: Monday, April 03, 2006 I'm Steve Ember with the VOA Special English Development Report. Scientists

发表于:2019-01-30 / 阅读(78) / 评论(0) 分类 2006年慢速英语(四)月

淡水FRESHWATER 淡水资源Freshwaterresources 谈水保护Conservationoffreshwater 水坝Dams 冰Ice 湖泊Lakes 自然排水系统Naturaldrainagesystems 河流流域开发Riverbasindevelopment 河流

发表于:2019-02-02 / 阅读(108) / 评论(0) 分类 英文语法词汇

By Tom Rivers London 07 October 2009 Ada Yonath (file photo) Two Americans and one Israeli share this year's Nobel Prize in Chemistry for their work showing how the DNA code is translated into life itself. Americans Venkatraman Ramakrishnan and Thom

发表于:2019-02-03 / 阅读(107) / 评论(0) 分类 VOA标准英语2009年(十月)

By Kevin Billinghurst Stockholm 10 October 2007 The 2007 Nobel Prize for Chemistry has been awarded to Gerhard Ertl of the Max Planck Society in Berlin. Kevin Billinghurst has the story from Stockholm. The Royal Swedish Academy of Sciences honors Pr

发表于:2019-02-04 / 阅读(120) / 评论(0) 分类 2007年VOA常速英语(十月)

Now, the going gets tougher. The next stage introduces entities that are significantly more fragile, significantly more vulnerable, 现在,(变化的条件)就更加苛刻了。下一个阶段是初次形成的个体,个体是明显更加弱小

发表于:2019-02-14 / 阅读(91) / 评论(0) 分类 TED演讲教育篇

Ecolab Inc., an American global provider of clean energy technologies and services, has made great progress on helping industries in China to produce their goods with less water consumption. Those industries include dairy plants, food industries, ste

发表于:2019-02-18 / 阅读(66) / 评论(0) 分类 英语新闻

台湾籍旅美老师今天交给我们的句子是: Well the water itself doesn't have any sugars or proteins like food so microbes aren't consuming it and rotting it. However, that's not to say the chemistry of the water hasn't changed. 水并不像

发表于:2019-03-05 / 阅读(197) / 评论(0) 分类 留美老师带你每日说英文
学英语单词
altimeter antenna
applied relief
arbitrarily-sectioned file
arrest
asymmetrical response
auriculo-ventricular aperture (or auriculo-ventricular opening)
Bacillus vermiculosus
be a dab hand in
biotechniqe
bistable generator
blocking capacity
Bochoumanga
brotherella herbacea
cader fronwen
can't stick
carbona
check float
cleft tongue
clorida japonica
composite power plant
counterthreat
customer controller
data collection and analysis
eccentric segment
eifelite
electron bombardment secondary electron image
empty spare bag
excitation transformer
flat measures
flat-straight blade pole
fortymile
four-element grid
froze up
fuel contract
glycolytic cycle
go on vacation
great horn owl
heat-seeking missiles
held the fort
Hongseong
human hair stump
human zoo
hyperbolic singularity
i-gerd
ICDL
independent self
interacting computation
intrinsic ash
inverted field pulse
King's servants
kodai
L.Lat.
Ladyzhynka
liquid polishing agent
locating acupoint by bone-length
lozenge riveting
Magnolia sinostellata
malonyltransferases
microinch finishing
mini-moto
mover and shakers
multi focus
Myliobatis
nextstep
normal hottest month
ordinary rate of profit
pairment
palpably
parking offences
parmigianas
partizans
pentabromodiphenyl oxide
pj's
point-and-groove suspension
portfolio analysis
precast concrete members
promote the sale of products
pumped hydroelectric storage
recurrent magnetic storm
run on
salad servers
Saldanha Bay
sanos
scroot
sea tangles
side chock
specific water absorption
stiltify
sulphide corrosion
Tanaecium
tape magnetization
telerecorder
theory of point sets
Thornhurst
varletess
vertical stabilising fin
Voltairism
washington memorial
with ... tongue in ... cheek
WP (water pump)
Zhangjiang