单词：purification by heat treatment
单词：purification by heat treatment 相关文章
An international team of scientists at a U.S. university is investigating whether 'cooking' cancerous tumors using tiny nanoparticles in a magnetic field might be an effective and useful treatment. Preliminary findings suggest they may be on the righ
VOA标准英语2010年(十一)月
Scientists are putting a modern spin on a cancer treatment that goes back to antiquity. It's heat therapy, which is getting a new look with the help of microscopic particles of gold. Cancer treatments usually involve powerful drugs or radiation. But
VOA标准英语2010年(十)月
Life Is A Test 人生是一场考试 It makes for a lot of stress, and we tend to feel that there will be more hard lessons in life。 这是个让人充满压力的比喻，我们时常感觉人生就是一个不断面临各种课题的过程。 Lif
英语美文
This is the VOA Special English Development Report. The lack of clean drinking water is a major problem worldwide. The World Health Organization says more than one billion people live in areas where renewable water resources are not available. The pr
2010年VOA慢速英语(四)月
This is the VOA Special English Health Report. An outbreak of cholera in Haiti continues to spread sickness and worry. Health officials are worried that the capital could suffer a major outbreak of the disease. So far most cases in Port-au-Prince hav
2010年VOA慢速英语(十一)月
By Paul Sisco Washington, DC 26 July 2006 watch Water Purification report Villagers in Iraq are better off today, thanks in part to NASA engineers from the Marshall Space Center in America's deep south. ------- Concern for Kids is a non-profit organ
2006年VOA标准英语（七月）
Joe DeCapua 15 April 2010 Over the years, theres been debate over when to start HIV-positive patients on anti-retroviral drugs, or ARVs. At first the standard practice was to wait until a persons immune system had nearly collapsed. But a growing body
VOA标准英语2010年(四)月
Students Invent Water Purification Disc The lab operates like a kitchen. They add several ingredients. Then they mix, weigh, press and bake them. What's created is called a MadiDrop - a ceramic disc infused with silver. When dropped in water, silver
VOA标准英语2013年(六月)
今天我们要学的词是heat。 大家都知道heat是高温的意思，那么不难想象，引伸一下，heat也可以理解为压力。还有两个多星期，美国2008年总统大选的初选就要拉开帷幕了。 Democratic leading candid
英语每日一词
今天我们要学的词是heat。 大家都知道heat是高温的意思，那么不难想象，引伸一下，heat也可以理解为压力。还有两个多星期，美国2008年总统大选的初选就要拉开帷幕了。Democratic leading candida
英语单词荟萃
12The Lord said to Moses, 2Say to the Israelites: 'A woman who becomes pregnant and gives birth to a son will be ceremonially unclean for seven days, just as she is unclean during her monthly period. 3On the eighth day the boy is to be circumcised. 4
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By Paige Kollock Washington, DC 12 May 2006 watch Sustainability Expo report More than 350 students from 21 colleges and universities were on the National Mall in Washington D.C. this week to compete
2006年VOA标准英语（五月）
Katia: So, Enam, let's talk about environmental problems of our countries. In Bangladesh, what is an environmental problem? Enam: Actually, we have a lot of environmental problems in Bangladesh but mainly I'd say the soil contamination is quite bad,
原版英语对话1000个
今天我们要学的词是heat up。 To heat up, 意思是越来越激烈。 The debate over immigration reform is heating up on the Hill, 国会关于移民改革的辩论日益激烈。 The World Cup is heating up as more teams are getting knocked
英语每日一词
今天我们要学的词是take some heat。 To take some heat, 受到批评。 The candidate is taking some heat for his stance on illegal immigrants, 候选人因为在非法移民问题上的立场而受到批评。华盛顿红人队教练沙纳汉因
英语每日一词
Katia: So, Enam, let's talk about environmental problems of our countries. In Bangladesh, what is an environmental problem? Enam: Actually, we have a lot of environmental problems in Bangladesh but mainly I'd say the soil contamination is quite bad,
英语趣味课堂
我们今天要讲的习惯用语有一个共同的词: stand。我们要学的第一个习惯用语是: stand-out。这儿在stand和out之间有一个连词符号。 Stand-out当名词用。它和形容词outstanding意义相关连。不少人知道
美国习惯用语
Nearly 230,000 people affected by the earthquake in Yunnan have been relocated to safer areas. Longtoushan County is the worst-hit area. Two relocation sites were established there to accommodate victims. Works are now underway to repair dozens of wa
CCTV9英语新闻2014年08月
一台类似于公交站的城市空气净化装置，近日正式落户于清华大学，其将作为清华校车车站之一，接受北京空气的测试。 请看相关报道： An outdoor air purification system, an oxygen bar designed in the fo
英文语法词汇
爱自己 Do not compare yourself to others. 不要拿自己和别人相比 Measure your own successes based on your progress,and only yours. 基于你自己的努力来衡量一下你的成功，只是你自己的。 All of our lives are unique, and
英语听力广播—Listening