DeepSeek,a Chinese artificial intelligence(AI)startup based in Hangzhou,was founded by Wenfeng Liang in late 2023.Its AI model,DeepSeek-R1,launched in January 2025,has garnered significant global attention for its cap...
supported by the National Science and Technology Major Project of China(Grant No.2017-Ⅰ-0002-0002);Major National Science And Technology Infrastructure"High-Efficiency and Low-Carbon Gas Turbine Research Facility"(Grant No.2017-000052-73-01-001569)。
The supercritical carbon dioxide(sCO_(2))Brayton cycle system has become an emerging and highly promising method of thermal power conversion due to its efficiency advantage,system compactness,and excellent adaptabilit...
In February 2024,192 lasers at the National Ignition Facility(NIF)in Livermore,CA,USA,began pouring 2.2 MJ of energy into a gold container smaller than the tip of a person’s little finger,heat-ing it to more than thr...
Key Project of National Natural Science Foundation of China(52237008);Beijing Municipal Education Commission Research Program Funding Project(KM202111232022)。
There are many motors in operation or on standby in nuclear power plants,and the startup of group motors will have a great impact on the voltage of the emergency bus.At present,there is no special or inexpensive softw...
supported in part by the National Natural Science Foundation of China(No.61203199)。
Serious startup drift of the Ring Laser Gyroscope(RLG)is observed during cold startup process,which will dramatically degrade the performances of the corresponding Inertial Navigation System(INS).In this paper,correla...
supported by Science and Technology Project of Quzhou(Grant Nos.2023K256,2023NC08);Zhejiang Provincial Natural Science Foundation of China(Grant No.LZY21E050001);Hunan Province Key Field R&D Plan Project(Grant No.2022GK2068).
In order to obtain the transient characteristics of a low-speed centrifugal pump during the start-up and shutdown stages,dedicated experimental tests were conducted with eight different valve opening conditions.The Pe...
supported by the Beijing Natural Science Foundation(Grant No.4222076).
Crystal oscillators(XOs)provide a high-precision reference frequency but have a long startup time,which severely increases the average power consumption in duty-cycled systems.This paper proposes a fully-digital low-c...
Start-up companies move the world and represent an engine for the development of society.There are several definitions of what a start-up company is,and depending on the period and the author,different definitions app...