zhang yun yong (152 Ergebnisse)

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paperback. Zustand: New. Paperback. Pub Date: June 2010 Pages: 351 Language: Chinese in Publisher: Tsinghua University Press book through standard graphics and popular graphics architectural model diagram. Architectural Drawing. construction general description of the general layout. floor plans. facade chart. profile. architectural detail. as well as three-dimensional furniture. indoor 3D effect diagram. residential three-dimensional effect diagram drawing. to explain to readers the ideas and methods of drawing arch.

paperback. Zustand: New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Paperback. Pub Date: 2012 08 Pages: 296 Language: Chinese Publisher: Tsinghua University Press National Engineering Master's Degree in Education Steering Committee recommended materials: high-voltage direct current transmission Principles and Applications describes the basic principles and engineering applications of HVDC content of 11 chapters. involving the basic concepts and principles of DC transmission. converter circuit works. converter station and the main equipment. the DC transmission lines. harmonic filter. control and protection of the DC system. DC system power loss and Reliability Assessment of UHV DC transmission and DC transmission technology. National Engineering Graduate Education Steering Committee recommended textbook: high voltage direct current transmission principle and application primarily for postgraduates of electrical engineering. engineering graduate. and electrical engineering and automation undergraduate teaching and research use. and can be for DC transmission engineering design and operation of reference. Contents: Chapter 1 Introduction 1.1 DC transmission early development history 1.1.1 1.1.2 HVDC technology development 1.1.3 HVDC power transmission technology review basic concepts 1.1.4 abroad HVDC project representative case 1.1 advantages and disadvantages of 1.3 .5 HVDC back-to-back bipolar line the way in the development of China's 1.2 HVDC basic wiring 1.2.1 unipolar line way 1.2.2 1.2.3 1.2.4 multiterminal way 1.3 DC transmission commutation .1 the advantages of DC transmission transmission of less than 1.3.3 DC power transmission applications Exercises 1 Chapter 2 1.3.2 DC converter circuit works 2.1 thyristor commutating phased commutation 2.1.1 thyristor characteristics 2.1.2 works 2.2.2 2.2.1 2.1.3 multi-bridge inverter circuit 2.2 rectifier works Ideally consider triggering delay angle 2.2.3. taking into account the trigger delay angle and commutation inductance 2.2.4 change The flow device power factor 2.3 inverter works 2.3.1 2.3.4 commutation failure trigger delay angle with DC voltage relationship 2.3.2 inverter running 2.3.3 commutation failure concept influencing factors 2.3. commutation failure prevention measures 2.4 HVDC run way its steady-state characteristics 2.4.1 DC transmission project RATINGS 2.4.2 HVDC run 2.4.3-steady-state conditions calculated 2.4.4 Inverters power characteristics 2.4.5 reactive power inverter features exercises 2 Chapter 3 converter station and its main equipment 3.1 Overview 3.1.1 of the main equipment and its functions 3.1.2 converter station layout 3.2 thyristor converter station 3.2.1 performance of the inverter of requirements 3.2.2 thyristor valve structure thyristor trigger 3.2.3 3.3 3.3.1 converter transformer converter transformer characteristics 3.3.2 the converter transformer choose 3.3.3 converter transformer election type scheme 3.4 square wave reactor 3.4.1 level of the structure and function of wave reactor 3.4.2 smoothing reactance is the choice of 3.5 reactive power compensation device 3.5.1 static reactive power compensation device 3.5.2 dynamic reactive power compensation device . Chapter 8 DC transmission system losses harmonic filter Chapter 6 of Chapter 4. Chapter 5. HVDC line HVDC system HVDC system control Chapter 7 protection of HVDC Chapter 9 HVDC Reliability Assessment Chapter 10 UHVDC Transmission Chapter 11 modern HVDC technology Appendix specialized vocabulary table ReferencesFour Satisfaction guaranteed,or money back.

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paperback. Zustand: Good. Language:Chinese.Paperback. Publisher: Beijing hope electronic.

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paperback. Zustand: New. Paperback.Pub Date:2021-12-01 Pages:116 Language:ChinesePublisher:China University of Mining and Technology Press Factor Monitoring and Intervention Work Plan. a data set of monitoring results from the survey of common diseases (such as myopia. hypertension. obesity and malnutrition. etc.) among nearly 60.000 students in 13 districts and cities across the province. The main content of this book includes five parts: introduction. general situation. monitoring of health status and influencing f.

Soft cover. Zustand: New. Language:Chinese.Author:ZHANG YONG WANG NING ZHU BIAN YUN NAN SHENG WEN SHI YAN JIU GUAN BIAN.Binding:SoftCover.Publisher:Yunnan Fine Arts Publishing House Publishing Group companies in Yunnan.

Soft cover. Zustand: New. Language:Chinese.Author:(YING)TUO MA SI WU ER SI DUN ZHANG YUN TAO WANG ZHI YONG YI.Binding:Soft cover.Publisher:Wuhan University Press Pub. Date :2010-12-01.

paperback. Zustand: New. Language:Chinese.Paperback. Publisher: Science Press. This book introduces modern public relations.

paperback. Zustand: New. Paperback. Pub Date: 2022-06 Pages: 365 Language: Chinese Publisher: China Renmin University Press Financial Laws and Regulations and Accounting Professional Ethics (4th Edition &amp#183;Three-dimensional Digital Textbook Edition)/Applied Textbooks for Ordinary Colleges & Universities &amp#183; Accounting has been revised according to the 2022 Junior Accounting Qualification Examination Outline. and most of the answers have been explained in the examples. Each chapter is equipped with basic r.

paperback. Zustand: New. Paperback. Pub Date: 2008. Pages: 100 Language: Chinese Publisher: China Forestry Publishing duck disease diagnosis and prevention key technology Q & A in the form of questions and answers duck disease classification and diagnosis. identification of various diseases prevention methods of scientific medicine. as well as common duck proper use of drugs. easy. practical; behind each question and answer. additional Special Note concise. focused. available The reader is referred to. So majority of.

paperback. Zustand: New. Language:Chinese.Paperback. Publisher: China University of Mining Press. This book describes the rheological properties of grease.

paperback. Zustand: New. Language:Chinese.Paperback. Publisher: Zhejiang Science and Technology Press. book from the reality of pollution-free vegetable production for farmers in the actual production may be encountered problems. pest identification and management decisions to seize the two.

paperback. Zustand: New. Paperback. Pub Date: 2020-06 Pages: 189 Language: Chinese Publisher: Northwestern Polytechnical University Press Design of Planar Artificial Transmission Lines and Their Application in Array Antennas is based on planar artificial transmission lines and combines practical applications to analyze and design a variety of antennas and array antennas with different functions. mainly including harmonic suppression beam-adjustable array antennas based on slow-wave transmission lines. wide-bandwidth .

paperback. Zustand: New. Paperback.Pub Date:2021-10-01 Pages:378 Language:Chinese Publisher:Sinopec Publishing House Oil Application and Management (Fourth Edition) mainly introduces the oil science and technology workers must know about liquid fuel. lubrication The properties and composition of oils and greases. the main factors affecting their quality. quality standards and the rational selection of oil products are also introduced accordingly. Application and Management of Oil Products (Fourth Edition) includes: c.

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paperback. Zustand: New. Language:Chinese.Pages Number: 293 Publisher: Shanghai Finance University Press Pub . Date :2010-04. systematic and thoughtful introduction to the book trade in goods import and export of the basic approach.

Soft cover. Zustand: New. Language:Chinese.Author:WANG YUN BING ZHANG ZHI YONG.Binding:Soft cover.Publisher:Chemical Industry Press Pub. Date :2008-09 -01.

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paperback. Zustand: New. Paperback. Pub Date: 2004 Pages: 240 Language: Chinese in Publisher: Zhejiang University Press higher vocational planning materials: mechanical engineering materials. according to the Ministry of Education strengthen Personnel Training and other documents of the Personnel Training requirements for the practical application of talent in professional engineering and technical machinery. written summarize Technical Mechanical Professional Training Mode of education reform on the basis of the exp.

paperback. Zustand: New. Language:Chinese.Paperback. Publisher: Shanxi Ancient Books Publishing House Pub. Date :2010-09-03. This book is China s basic family Anthology Volume famous books. one designed to provide a user-friendly for the average reader of readers. This book includes the original structure. translation and notes. comments. detailed. easy to understand. let the reader feel the profound traditional Chinese culture and feel of ancient literary sources. This book is the 4 series Copy Song notes the master.

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paperback. Zustand: Good. Pub Date :1978-08 Publisher: Shanghai People's Fine Arts Publishing 7.5 - 90 product (bookshelf).

paperback. Zustand: New. Pub Date: 2014-07-01 Pages: 154 Language: Chinese Publisher: China Agricultural Science and Technology Press fitness crowd read: readers.

paperback. Zustand: New. Paperback. Pub Date: 2015-09-01 Pages: 45 Language: Chinese Publisher: Beijing Publishing Group Beijing University Press Shark Park Children's University from the series of scientific enlightenment knowledge starting from the selection of the content of everyday life. it in the form of children's favorite picture book to tell the story of scientific knowledge. interesting stories. cute pictures and simple text. into which scientific knowledge easy to understand and fun to play. allowing the c.

paperback. Zustand: New. Paperback. Pub Date: 2015-12-01 Pages: 45 Language: Chinese Publisher: Beijing Publishing Group Beijing University Press Shark Park Children's University series of science books is a use of new media. for 3 to 12 years old Children Readers outstanding original picture book of popular science books. Shark Park Children's University: Dinosaur World Adventure system relying on Chinese Academy of Sciences. scientists strong scientific research personnel. jointly developed by the Chinese Academy o.

paperback. Zustand: New. Language:Chinese.Paperback. Pub Date: 2015-7-1 Publisher: Beijing University Press Shark Park Children's University series of science books is a use of new media. for outstanding original popular science books Illustrated children aged 3 to 12 readers. Shark Park Children's University: My color planet. Department of relying on Chinese Academy of Sciences. scientists have strong scientific research personnel. jointly developed by the Chinese Academy of Sciences experts in various disciplines a.