单词：high purity niobium oxide
单词：high purity niobium oxide 相关文章
Presidential Candidate Says a Rare Metal Important to Brazils Future Public opinion studies suggest that Brazilian presidential candidate Jair Bolsonaro is likely to win Sundays election. The candidate believes he knows of a resource that may help hi
2018年VOA慢速英语(十)月
By Brian Padden Washington 16 June 2008 The upcoming Olympic Games in Beijing will feature over 300 sporting events. While many events like swimming and basketball are dominated by professional athletes, the games still showcase amateur athletes. Th
VOA标准英语2008年（六月）
This is Scientific American's 60-Second Science. I'm Karen Hopkin, this'll just take a minute. On February 8th, we told you about scientists who had created a device worn over the knees that could harvest the energy you otherwise waste while walking.
Scientific American(二)月
By Carol Pearson Washington 04 July 2007 Researchers have found that chocolate dark chocolate is good for your heart. They say it may stave off hardening of the arteries among smokers, and it has more antioxidants per gram than red wine, green tea or
2007年VOA标准英语（七月）
SCIENCE IN THE NEWS - Discovery That Stored Blood Loses a Life-Saving Gas Could Solve Mystery By Lawan Davis, Soo Jee Han and Caty Weaver / Broadcast: Mon, 12 Nov 2007 16:00:00 UTC VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm S
VOA慢速英语2007年（十一）月
18招促环保（双语） 我们中的每个人都应该对自己日常生活活动和选择所产生的温室气体负责。因此，防止气候变化需要地球上的每个人共同来努力。在中国，平均每户每年的碳排放量是2.41吨
实用英语