单词:material responese
单词:material responese 相关文章
Frequent hand-washing in my job as a medical technologist and the harsh Alaskan weather combined to give me very dry skin. One night as I prepared for bed, I rubbed my hands with petroleum jelly and c
Graphene Called Amazing, Versatile Material of the Future 前景光明的多功能材料石墨烯 In 2004, two scientists at the University of Manchester in England isolated a carbon-based material called graphene, with some unusual properties. Andre
Scientists Create Blackest Material Ever Of all the black things in the universe only the infamous black holes are so black that not even a tiny amount of light can bounce back. But scientists have managed to create material almost as black, and it h
By Scott Bobb Johannesburg 21 December 2007 Zimbabwe's parliament this week passed new laws easing restrictions on political dissidence and the news media. The laws, which are due to be signed by President Robert Mugabe in the near future, are to pre
By VOA News 11 December 2007 Al-Qaida's North African wing has claimed responsibility for two deadly car bomb blasts Tuesday outside U.N. offices and a government building in Algeria's capital. Algerian government officials say at least 26 people wer