多参数水质监测仪器

Inventors Win Award for Machine that Creates Water from Air

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(161) / 评论(0)

2018年VOA慢速英语(十)月

SSS 2012-01-04

Can you tell the difference between Modern Violin and Tecra craft by Italian masters .Don't feel so bad, expert players can't do it either. In double blind test, 21 experienced violinists unable to tell difference between rare old instruments and new

发表于:2018-12-24 / 阅读(128) / 评论(0)

Scientific American(一)月

英语口语900句 08.01.对话.2.选购MP3

Can I help you? I'm looking for an MP-3 player. Which brand is of the highest quality? I recommend Pioneer. Which model is the best-seller? This model is very popular with ladies. May I have a look at it? Sure, it's multi-functional. Besides playing

发表于:2018-12-25 / 阅读(111) / 评论(0)

英语口语900句

Horizon - Life On Mars 火星生命 - 10

But they never got there. The first disappeared into deep space. Another missed its target when its coordinates were confused. One NASA control center was working in metric, the other in feet and inch

发表于:2019-01-02 / 阅读(194) / 评论(0)

火星生命

VOA慢速英语2018 音乐家用水杯作乐器为听众演奏动人音乐

Jamey Turner often performs to large crowds in Old Town Alexandria, Virginia, a short drive from Washington, D.C. 弗吉尼亚州亚历山大旧城区距离华盛顿特区仅仅一小功夫的车程，杰米特纳经常在这座小城的街头为围观

发表于:2019-01-03 / 阅读(132) / 评论(0)

2018年VOA慢速英语(九)月

VOA慢速英语 2007 0917a

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(132) / 评论(0)

VOA慢速英语2007年（九）月

英语听力：自然百科死海岸边的致命沙洞

The Dead Sea is the lowest point on earth and runs more than 50 miles in length and stretches 11 miles across its wildest point, bordering Israel, The West Bank and Jordan. Large sections of the coast are fenced off and sign posted in Hebrew and Engl

发表于:2019-01-22 / 阅读(135) / 评论(0)

自然百科2009年

AGRICULTURE REPORT - Simple Ways to Protect Water Quality

AGRICULTURE REPORT - Simple Ways to Protect Water Quality By Mario Ritter Broadcast: Tuesday, July 26, 2005 I'm Barbara Klein with the VOA Special English Agriculture Report. Afghans wash carrots in d

发表于:2019-01-30 / 阅读(168) / 评论(0)

农业与发展

北京遭雾霾持续侵袭未来几天恐持续

Beijing will experience five days of poor air quality partly caused by heating systems being turned on, officials announced on Tuesday. 有关官员在周二表示，由于冬季供暖开始，未来5天北京的空气质量将比较差。 Pollution

发表于:2019-02-03 / 阅读(203) / 评论(0)

英语新闻

银行贷款支持中国改善水质

BEIJING, May 27 (Xinhua)-- The Asian Development Bank (ADB) will help improve water access and quality in China in a 200-million-U.S. dollar deal signed here on Tuesday with private water supplier China Water Affairs Group Limited (CWA). Under the pr

发表于:2019-02-05 / 阅读(177) / 评论(0)

英语新闻

从未请假的“超级工人”

Beijing Youth Daily Public pool water quality available online The water quality of public swimming pools in Beijing can now be monitored by smartphone in real time. The Beijing municipal health authority has started a project to monitor the water qu

发表于:2019-02-06 / 阅读(111) / 评论(0)

英语新闻

Beijing orders removal of garbage near reservoir

BEIJING, Feb. 24 (Xinhua) -- Beijing authorities have ordered removal of the garbage in a pit near the Miyun Reservoir, a major source of water for the city, the local environmental protection bureau said late Sunday. According to a statement issued

发表于:2019-02-07 / 阅读(146) / 评论(0)

英语新闻

Lawmakers propose banning arbitrary environmental monitoring

BEIJING, Dec. 28 (Xinhua) -- Chinese lawmakers on Friday suggested formulating an environmental monitoring law to prohibit disorderly, arbitrary monitoring of the environment. China lacks a special law or regulation on the management of environmental

发表于:2019-02-08 / 阅读(147) / 评论(0)

英语新闻

英闻天下——83 Tap Water Safe to Drink: Beijing Waterworks

The Beijing Waterworks Group, the company responsible for tap water supply in the capital, says starting from next week, the data on tap water quality will be available on the company's website. Major indexes, including degrees of color, turbidity an

发表于:2019-02-14 / 阅读(227) / 评论(0)

英闻天下

Environment Report Reveals Serious Pollution in China

China's State of the Environment Report for 2012 suggests that the overall quality of China's environment is balanced and stable. The condition of underground water remains to be a big concern. Li Dong has the details. Released annually by China's Mi

发表于:2019-02-14 / 阅读(268) / 评论(0)

世界各地新闻集锦

格鲁吉亚葡萄酒，矿泉水重新进入俄罗斯市场

TBILISI, April 8 (Xinhua) -- Georgia's agriculture minister said Monday Russia would soon reopen its market to the country's wine, fruit, vegetables and alcoholic drinks. Georgian and Russian specialists would continue working on technical regulation

发表于:2019-02-14 / 阅读(119) / 评论(0)

英语新闻

专业术语-财务英语词汇M21

multi-currency trading 多元货币买卖 multilateral agency 多边机构；多边代理机构 multilateral agency debt instrument 多边代理机构债务票据 multilateral development bank 多边发

发表于:2019-02-17 / 阅读(116) / 评论(0)

财会英语

GRE作文范文结构思路解析

参考一些优秀的新GRE写作范文是考生在备考新GRE写作时必要的步骤，下面便是一位考生在阅读新GRE写作范文后总结出的写作思路。各位考生可以参考这些写作方法与思路，来提高自己的写作水

发表于:2019-02-17 / 阅读(132) / 评论(0)

GRE英语

CCTV9英语新闻：中国的环境退化

To talk more about China's environmental protection targets, we have Wu Changhua, the Greater China Director of the Climate Group. But before we start, let's take a look at a set of numbers to have a clearer picture of how bad the environment is. Air

发表于:2019-02-18 / 阅读(244) / 评论(0)

cctv9英语新闻2015年

CCTV9英语新闻：PM2.5 levels down 14.1 percent in 2015

Among many things, water pollution prevention and control was strengthened. The percentage of water rated at level 5 grade, which is the lowest grade, decreased 6.8 percent. Also, daily waste water treatment capacities for cities and towns increased

发表于:2019-02-25 / 阅读(147) / 评论(0)

cctv9英语新闻2016年

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学英语单词

Acetylene-Propadiene

adjacent association

Ahenny

american arachnid society

anchorage space

ansi/sparc model

aperiodic irreducible chain

articulation by ball and socket

ascii (american standard code for information interchange)

axial ratio

babiroussa