Researchers at Tsinghua University have innovatively utilized renewable soy protein to develop a high-performance solid-state electrolyte. This material forms a robust and flexible three-dimensional n ...

Earlier in July, the United States announced an additional 2007 contribution of $19 million to UNHCR for its second ...

纵观世界，进食叶绿素的历史能够追溯到古罗马文明，当时人们用到藏红花、胡萝卜、桑葚、石榴、甜菜等为食物著色；公元前1500年，古埃及用进食叶绿素为糖果著色；公元前4世纪，基督教修道士开始为葡萄酒人工著色；1856年，英国人珀金斯从煤焦油中制取的染料叶绿 ...