碳纤维复合材料

SSS 2011-12-20

material scientists admire spider silk for being lightweight and strong.now another arthropod product is getting into the act insect cuticle,the tough flexible material is inside insect skeleton.researchers at harvard * institute for biological inspi

发表于:2018-12-02 / 阅读(66) / 评论(0)

Scientific American(十二)月

【轻松英文阅读】世界上最坚硬的材料

Its the material at the tip of a pencil and it has the potential to revolutionize our lives. A study from Columbia University has shown that graphene is the strongest material in the world. In fact , it is much tougher than diamonds and 300 times str

发表于:2018-12-28 / 阅读(52) / 评论(0)

轻松英文阅读

Two Inventions That Helped Level the Playing Field Against

BOB DOUGHTY: This is SCIENCE IN THE NEWS in VOA Special English. Im Bob Doughty. CHRISTOPHER CRUISE: And Im Christopher Cruise. Today we tell about two recent inventions that have helped to save lives. We will also tell about the people who developed

发表于:2019-01-12 / 阅读(333) / 评论(0)

2011年VOA慢速英语(三)月

VOA慢速英语2010年- SCIENCE IN THE NEWS - Science of Safe

SHIRLEY GRIFFITH: This is SCIENCE IN THE NEWS in VOA Special English. I'm Shirley Griffith. BOB DOUGHTY: And I'm Bob Doughty. Today we tell about two recent inventions that have helped to save lives. We will also tell about the people who developed t

发表于:2019-01-26 / 阅读(57) / 评论(0)

2010年慢速英语(二)月

Spiders and Silk

48 科学家发现：蜘蛛丝强度要胜过绳子 DATE=5-16-01 TITLE=SCIENCE REPORT - Spiders and Silk BYLINE=Jill Moss (Start at 59

发表于:2019-01-30 / 阅读(51) / 评论(0)

科技之光

窗帘相关英语

窗帘名称窗帘: curtain/window blind 蜂巢帘: honey comb blind 百褶帘: pleated blind 卷帘: roller blind 软百叶帘: venetian blind 柔丽丝帘: softness blind 香格里拉帘: Shangri-La blind 窗帘面料窗帘布原料: raw material

发表于:2019-02-17 / 阅读(31) / 评论(0)

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学英语单词

adelphopoiesis

ageing of metal

Alauda

alkylsilanecarboxylic acid

automatic fire alarm system