This book first surveys the relevant research progress of major institutions, organizations, projects and companies engaged in 6G research around the world, then comprehensively defines 6G from the perspectives of driving forces, vision, requirements, spectrum and technical characteristics, illustrating a complete picture of an end-to-end 6G mobile network with integration of communication, sensing, AI, data and security. The most promising technologies are presented, including distributed...

This is an open access book. It is valuable in gaining an understanding of the working mechanism of pulsed plasma thrusters. It facilitates the evaluation of the thruster's working characteristics and propulsive performance, thereby providing a crucial theoretical foundation and reference for the design, development, and engineering application of pulsed plasma thrusters. Additionally, this book significantly contributes to the advancement of space electric propulsion technology. Researche...

Spring and Autumn Annals of Wu and Yueis the first complete English translation of Wu Yue Chunqiu**, a chronicle of two neighboring states during China's Spring and Autumn period.** This collection of political history, philosophy, and fictional accounts depicts the rise and fall of Wu and Yue and the rivalry between them, the inspiration for centuries of poetry, vernacular fiction, and drama.Wu Yue Chunqiu

Functions of Natural Organic Matter in Changing Environment presents contributions from the 16th Meeting of the International Humic Substances Society (IHSS 16) held in Hangzhou, China on September 9-14, 2012. It provides a comprehensive and updated research advance in the field of characterization, function, application of humic substances (HS) and natural organic matter (NOM) in environment, agriculture, and industry. A broad range of topics are covered: i) formation, structure and chara...

This open access book focuses on the field of aerospace propulsion theory and engineering. The book takes the solar thermal thruster as the research object, has carried on the solar thermal thruster working process theoretical analysis, the numerical simulation and the experimental verification, and has revealed the solar thermal thruster internal working mechanism, and a design optimization method for high performance solar thermal thruster is presented. The research contents reflect the ...