Guo Yan Zhang Mei Jun (5 results)

paperback. Condition: New. Paperback Pages Number: 451 Language: Chinese. Welding Metallurgy (2nd Edition) has an important influence in the United States welding industry. is one of the main textbook for the welding professional will be selected. From the metallurgical point of view a systematic introduction to the physical diffusion of the metal material in the process of welding heat. chemical reactions and the formation of the crystal structure characteristics of the defect characteristics. Metal welding metallurgy.

Soft cover. Condition: New. Language:Chinese.English.Author:GUO HAI YAN ZHANG MEI JUN LI XIAO MEI LIN QING XIANG.Binding:Soft cover.Publisher:Capital Normal University Press Pub. Date :2009-02.

Hardcover. Condition: New. HardCover. Pub Date: 2021-06-01 Pages: 285 Language: Chinese Publisher: National Defense Industry Press Understanding the damage and failure of composite materials is extremely important for reliable and low-cost engineering design.?Composite Material Damage and Failure combines the principles of material mechanics and modeling. and strives to show the readers a complete display of the damage. fatigue and fracture of composite materials.?The previous chapters focused on the basic principles o.

paperback. Condition: New. Pub Date: 2014-11-01 Pages: 188 Language: Chinese Publisher: Science Press new research opportunities for the National Research Council Committee on Earth Sciences. National Academy of Sciences on the basis of extensive research and solicit opinions on various aspects. summarized the next 10 Interdisciplinary Research on new research opportunities in the field of Earth sciences. ranging from the surface to the interior of the earth movement studies. as well as marine and atmospheric sciences.

Hardcover. Condition: New. HardCover. Pub Date: 2021-05-01 Pages: 144 Language: Chinese Publisher: Yangtze River Children's Publishing House. For children aged 3-6 and above who are always curious. what can be better The terrestrial zuida mammals-elephants. terrestrial zuida carnivores-polar bears. the world's zuida animals-blue whales. these amazing big guys are more attractive animals??From the perspective of children. this set of picture books uses an analogy method to connect the scientific knowledge of elephants. .