新的植物合成材料像骨头一样坚韧,像铝合金一样坚硬 诸平 Fig.1 A new woody composite, engineered by a team at MIT, is as hard as bone and as tough as aluminum, and it could pave way for naturally-derived plastics. This image shows a tooth printed by the team resting on a background of wood ...
修饰催化剂将二氧化碳转化为汽油的效率提高了 1000 倍 诸平 Fig. 1 CO 2 (black and red) and hydrogen molecules (blue) react with the help of a ruthenium-based catalyst. On the right, the uncoated catalyst produces the simplest hydrocarbon, methane. On the left, the coated catalyst produce ...
美中俄德科学家发现电子晶体中的神秘转变 诸平 A cartoon illustrates a hysteresis—when the value of a physical property lags behind changes in the effect causing it—during hiking, with different uphill and downhill paths. Credit: Xinyue Lu 据美国麻省理工学院( Massachusetts Institu ...
化学家们发明了一种新方法,使回收塑料更容易、更有利可图 诸平 Carolina chemists develop a way to modify common polymers used in grocery bags, water and soda bottles and packaging to make it easier—and more profitable—to recycle plastic. Credit: Jon Gardiner / University of North Carolin ...
“VB” 是一种新的、更具传染性的 HIV 变种 —— 但它是可以治疗的 诸平 A computer illustration of HIV infecting an immune system cell Science Photo Library / Alamy Stock Photo 据《新科学家》( New Scientist )网站 2022 年 2 月 3 日报道,一种新的、更具传染性的 HIV ...
“量子摩擦”减缓了水通过碳纳米管的速度, 解决了长期存在的流体动力学之谜 诸平 Water molecules flow near the honeycomb-patterned walls of a carbon nanotube. Interactions between the molecules and electrons in the walls can cause ‘quantum friction,’ researchers propose in a new study. ...
二维聚合物有助于创造一种比钢更坚固的轻质新材料 诸平 Credit: Pixabay/CC0 Public Domain The new material is a two-dimensional polymer that self-assembles into sheets and could be used as a lightweight, durable coating for car parts or cell phones, or as a building material for br ...
最新撤稿最多的作者排行榜 诸平 据撤稿观察( Retraction Watch )网站的2022年1月底的更新统计结果,列出来撤稿最多的31位作者,均为男士。详细撤稿排行榜如下: The Retraction Watch Leaderboard Who has the most retractions? Here’s our unofficial list (see notes on methodology), which we ...