【材料学】约翰逊—梅尔—阿弗拉米分析

VOA标准英语2012--Study Says Breath Analysis Can Help in Diagnosing Cancer

Study Says Breath Analysis Can Help in Diagnosing Cancer Lung cancer claims an estimated one and a half million lives each year. But a research team at the Cleveland Clinic and University of Illinois is working to develop a new test that could make d

发表于:2018-12-16 / 阅读(50) / 评论(0)

VOA标准英语2012年(一月)

BEP 142 ADV Presentations: SWOT Analysis (Part2)

This is the second in a 2-part Business English Pod series on presenting a SWOT analysis. A SWOT analysis is a tool that helps companies understand their strengths and weaknesses, while keeping in mind the opportunities and threats they face. In this

发表于:2018-12-31 / 阅读(111) / 评论(0)

商务英语演讲课

BEP 141 ADV–Presentations: SWOT Analysis(Part1)

In this Business English Pod lesson, we start the first in a 2-part series on presenting a SWOT analysis. A SWOT analysis is a simple but powerful framework for analyzing your companys strengths and weaknesses these are internal to the company as wel

发表于:2018-12-31 / 阅读(126) / 评论(0)

商务英语演讲课

公务员英语·第20课：同意或不同意

167.I agree to hold a paty this evening. 168.I agree with his analysis of the problem. 169.Do you agree that his proposal is a good idea？ 170.Yes， I agree.（No，I don't.） 171.I object to the plan. 172.I don't see any point in repairing the ol

发表于:2019-01-08 / 阅读(103) / 评论(0)

公务员英语口语

VOA标准英语2010年-Website of the Week – The Root

News and analysis from an African American perspective Art Chimes | Washington, DC 19 February 2010 Related Links The Root February is African American History Month here in the United States, and so this week we feature a site that looks at news and

发表于:2019-01-13 / 阅读(64) / 评论(0)

VOA标准英语2010年(二月)

科学美国人60秒 SSS Protein Test Could Complement Crime Scene DNA Analysis

DNA analysis is a staple of crime scenesand crime shows, like HBO's The Night of or the old standby, CSI: We just need to get this to the DNA lab, confirm it's the victim's blood. And then, case closed. And it's not just for crime: DNA sequencing als

发表于:2019-01-20 / 阅读(72) / 评论(0)

2016年Scientific American(九)月

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Blessing are not valued, till they are gone.