单词：echitin
[化] 厄蚩亭; 鸡骨常山酸
单词：echitin 相关文章
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(195) / 评论(0)
Scientific American(十二)月
Scientific American(十二)月
This is scientific American sixty seconds science. I'm Christopher Intagliata. Got a minute? Worldwide, we know of enough uranium to power today's nuclear reactors for another hundred years according to the nuclear energy agency. But scientists say t
发表于:2018-12-24 / 阅读(144) / 评论(0)
Scientific American(八)月
Scientific American(八)月