Wang mu kun deng (3 risultati)

paperback. Condizione: New. Language:Chinese.Paperback. Pages Number: 269 Publisher: HIT Pub. Date :2009-02-01. This book focuses on the basic theory of communication systems. including transmission of information Introduction. analog modulation and demodulation. channel multiplexing. and digital signal transmission. synchronization and error control. etc. This book is a communications engineering and other professional undergraduate teaching. research and communication are also available in engineering and technical pe.…

paperback. Condizione: New. Language:Chinese.Paperback. Pub Date: 2026-07 Pages: 868 Publisher: Guangxi Normal University Press. This is Volume 4 of the six-volume *History of Russia*. which details the history of Russia in the first half of the 19th century. This volume is both an integral part of the series and can be considered an independent study of this period. The series can be considered an encyclopedia of Russian history to some extent. Volume 4 covers all aspects of Russian history from 1800 to 1861 before the.…

paperback. Condizione: New. Paperback. Pub Date: 2021-09 Pages: 533 Language: Chinese Publisher: Dongbei University of Finance and Economics Press Hydrogen energy. as a clean secondary energy carrier comparable to electricity. has attracted much attention in the process of responding to global climate change and accelerating low-carbon transformation. Based on a review of the development of hydrogen energy. this book focuses on the frontier engineering progress in the four fields of hydrogen production. ammonia storage.…