Optical illusions are a great exercise for people who want to excel in creative thinking and spontaneous judgment. It allows you to be patient and sharp at the same time. In this given optical ...

A grid filled with repeating 202s hides one small mistake - a “2o2.” Can you find the typo before it drives you nuts? A new visual puzzle is making the rounds online, and it is deceptively simple: a ...

为解决中温固体氧化物燃料电池(IT-SOFCs)阳极孔隙结构对性能的制约问题，研究人员通过联合添加淀粉和PMMA造孔剂构建分级多孔Ni-SDC阳极，形成200 nm、800 nm和10 μm三级孔道结构。该设计使单电池在723-923 K获得1.73 W·cm-2的峰值功率密度，较无造孔剂样品提升136% ...

这篇综述探讨了面粉漂白剂（氯气、过氧化苯甲酰、过氧化氮等）的使用历史、健康风险。研究发现这些漂白剂会降解营养成分、产生致癌物，不同国家监管政策差异大。文章呼吁政策改革和消费者教育，保障食品安全。 面粉漂白剂的历史与现状 在 2024 年，一 ...

Hunan Provincial Key Laboratory of Chemical Power Sources, Hunan Provincial Key Laboratory of Efficient and Clean Utilization of Manganese Resources, College of Chemistry and Chemical Engineering, ...

As a newly developed perovskite with a large amount of intrinsic oxygen vacancies, BaSc0.8W0.2O2.8 achieves high proton conduction at low and intermediate temperatures, report scientists. By the donor ...

As the global push for sustainable energy solutions intensifies, advancements in proton-conducting materials will play a critical role in developing efficient and reliable fuel cells and electrolysis ...

原凯，宁瑞琦，周丽姣，沈超*，周思思，李晶，金婷，张祥功*，谢科予* 单晶LiNi0.6Co0.2Mn0.2O2正极材料的无晶界特性赋予其杰出的循环性与安全性，因而在高性能锂离子动力电池领域获得广泛采用。然而，小粒径与高残碱共同导致的表面高敏感性使其在长期储存 ...

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