搜索结果: 16-30 共查到“理学 Energy”相关记录1112条 . 查询时间(0.905 秒)
应能源和燃烧领域国际综述类期刊Progress in Energy and Combustion Science邀请，中国科学技术大学火灾科学国家重点实验室胡隆华研究员课题组2022年11月18日发表了题为“Fundamentals of window-ejected fire plumes from under-ventilated compartment fires: Recent progr...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Energy/dissipation-preserving split Birkhoffian multi-symplectic methods for Maxwell’s equations
麦克斯韦方程组 能量/耗散守恒分裂 Birkhofian 多辛方法
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2023/5/18
We propose a novel kind of energy/dissipation-preserving split Birkhoffian multi-symplectic (S-BMS) methods for Maxwell's equations with dissipation terms. After investigating the non-autonomous and a...
Astrophysicists have performed a powerful new analysis that places the most precise limits yet on the composition and evolution of the universe. With this analysis, dubbed Pantheon+, cosmologists find...
苏州纳米所赵志刚团队Nano Energy：单原子压电应用取得新进展（图）
赵志刚 单原子 压电应用 催化性能
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2023/7/19
压电现象源于材料的非中心对称结构，这种结构依赖性严重限制了压电材料种类。理论上，基于表面修饰的对称性破缺可用于增强材料压电性能。例如，密度泛函理论（DFT）计算结果表明，中心对称的石墨烯可通过特定原子(F、H)的选择性吸附获得压电响应，但此类研究大多局限于理论模型，实验手段难以实现。2022年来，单原子在催化领域受到了广泛关注，研究者利用金属原子与载体的配位作用改变材料表面化学结构，获得催化性能提...
近日，广西大学物理科学与工程技术学院2020级博士研究生梁继升等人与导师苗蕾在国际顶级期刊《Advanced Energy Materials》（中科院一区TOP期刊，2021年影响因子29.368）上发表题为“Synergistic effect of band and nanostructure engineering on the boosted thermoelectric perform...
MIT expands research collaboration with Commonwealth Fusion Systems to build net energy fusion machine, SPARC（图）
英联邦聚变系统公司 能量聚变机 SPARC 聚变发电厂
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2023/6/19
MIT’s Plasma Science and Fusion Center (PSFC) will substantially expand its fusion energy research and education activities under a new five-year agreement with Institute spinout Commonwealth Fusion S...
Machine learning, harnessed to extreme computing, aids fusion energy development（图）
机器学习 极限计算 聚变能源开发
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2023/6/21
MIT research scientists Pablo Rodriguez-Fernandez and Nathan Howard have just completed one of the most demanding calculations in fusion science — predicting the temperature and density profiles of a ...
One challenge in decarbonizing the energy system is knowing how to deal with new types of fuels. Traditional fuels such as natural gas and oil can be combined with other materials and then heated to h...
By examining earthquake models from a fresh perspective, Cornell engineers now show that the earthquake fracture energy – once thought to relate to how faults in the Earth’s crust weaken – is related ...
An energy-storage solution that flows like soft-serve ice cream（图）
储能解决方案 半固体 电化学化合物 风能 太阳能
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2023/6/19
Batteries made from an electrically conductive mixture the consistency of molasses could help solve a critical piece of the decarbonization puzzle. An interdisciplinary team from MIT has found that an...
近期，武汉大学物理科学与技术学院方国家教授课题组，与肖旭东教授课题组和嘉兴学院尹新星博士课题组合作，在宽带隙钙钛矿太阳能电池及钙钛矿/铜铟镓硒四端叠层电池研究领域取得新进展。最近几年钙钛矿单结及叠层太阳能电池的效率已经发展到和单晶硅电池相当甚至更好的水平。而高效的钙钛矿叠层太阳能电池需要利用高效的宽带隙钙钛矿太阳能电池作为顶电池，但是宽带隙钙钛矿太阳能电池常常遭受大的VOC损失和相分离。这主要是由...
It was a moment three years in the making, based on intensive research and design work: On Sept. 5, for the first time, a large high-temperature superconducting electromagnet was ramped up to a field ...
Bacteria may hold key for energy storage, biofuels
细菌 储能 生物燃料
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2023/5/23
Cornell bioengineer Buz Barstow, Ph.D. ’09, is trying to solve a big problem: How to build a low-cost, environmentally friendly and large-scale system for storing and retrieving energy from renewable ...
2021年8月23日，重庆大学物理学院胡陈果教授课题组在Energy & Environmental Science上发表了题目为“一种基于摩擦起电和空气击穿耦合效应的逆变摩擦纳米发电机”（An inverting TENG to realize the AC mode based on the coupling of triboelectrification and air-breakdown）...
Scientists detect characteristics of the birth of a major challenge to harvesting fusion energy on Earth
out of control electronics fusion energy damage of electronic
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2021/8/11
Novel camera detects the birth of high-energy runaway electrons, which may lead to determining how to prevent damage caused by the highly energetic particles.