单词：water analysis of bacteria
单词：water analysis of bacteria 相关文章
Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacteria are u
新概念优美背诵短文50篇
Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is abo
新东方背诵文选
Voice 1 Hello. Im Marina Santee Voice 2 And Im Elizabeth Lickiss. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 The sun beats
环球英语 Spotlight
必背句型: A:The federal government promulgated the Clean Water Act and the Clean Air Act. 联邦政府颁布了《水清洁法》和《空气清洁法》。 B:When did the federal government promulgate them? 什么时候颁发的？ The federal g
法律英语就该这么说
Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacteria are us
考研背诵50篇
Scientists say the notoriously dry continent of Africa is sitting on(1) a vast reservoir of groundwater. They say that the total volume of water in aquifers underground is 100 times the amount found on the surface. The British Geological Survey and t
英语博客 A cup of English
On average, every hour of every day more than 40 people drown around the world. Thats 372,000 fatalities annually. Drownings are one of the top 10 killers of kids and young adults, with the highest rate of drowning deaths among children under five ye
英伦广角
By Melinda Smith Washington, DC 09 August 2006 watch Beach Pollution report Birds are believed to contribute to the pollution at the beach A prominent environmental organization has called for better monitoring of the water quality along many of Ame
2006年VOA标准英语（八月）
This is the VOA Special English Health Report. Bad teeth can be painful -- and worse. They can even be deadly. Infections of the gums and teeth can release bacteria into the blood system. Those bacteria can increase the chances of a heart attack or s
2010年慢速英语(三)月
This is Scientific American's 60-Second Science. I'm Cynthia Graber . This will just take a minute. Theres a traditional bowl in Korea that locals say makes food safer. And they might be right. The bowl is made of almost 80 percent copper. Copper ion
Scientific American(九)月
It seemed like a good ideabecause rivers and ponds in Bangladesh were contaminated with bacteria, Bangladeshis switched to wells. But soon after, in the early 80s, researchers realized those wells were harming Bangladeshis with a new poisonarsenic. T
Scientific American(十一)月
By Greg Flakus Mexico City 22 March 2006 watch Water Forum report At the Fourth World Water Forum in Mexico City, 11,000 people representing 130 nations have been looking for ways to protect the vital
2006年VOA标准英语（三月）
This is the VOA Special English Agriculture Report. The search for new fuels has led some researchers to algae. Algae is a name for thousands of different organisms. They include single-celled plants as well as kelp and other large plants. Blue-gree
VOA慢速英语2008年（十二）月
AS IT IS 2015-08-06 Olympic Committee to Test Rio's Water for Viruses Rio de Janeiro, Brazil is busy preparing for the 2016 Olympics. On Sunday, the International Olympic Committee said it will begin testing the waters where swimmers and other athlet
2015年VOA慢速英语(八)月
Science and Technology 科技 Clean water 清洁水源 Silver threads of life 生命的银丝带 A water filter that kills bacteria, rather than just removing them 新滤水器能够消灭细菌，而不单单是排除细菌 MORE than a billion peopl
经济学人科技系列
Clean water 清洁水源 Silver threads of life 生命的银丝带 A water filter that kills bacteria, rather than just removing them 新滤水器能够消灭细菌，而不单单是排除细菌 MORE than a billion people lack clean waterand in most
经济学人综合
48 Bacteria Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bac
双语有声阅读
Indian health officials have rejected a new medical study warning of widespread drug-resistant bacteria in the country's capital. But the co-author of the study says Delhi is in denial, and warns the bacteria can spread easily around the world, possi
英语新闻
The reason that Vibrio fischeri is doing that comes from the biology. 费氏弧菌的发光现象来自生物学上的原因。 So again, another plug for the animals in the ocean, Vibrio fischeri lives in this squid. 接下来，我们再来看一个海
TED演讲教育篇
What was actually interesting to us was not that the bacteria made light, but when the bacteria made light. 事实上，我们感兴趣的部分并不是细菌会不会发光，而是细菌何时发光。 What we noticed is when the bacteria were alo
TED演讲教育篇