wang zhi rong chen ling (3 Ergebnisse)

paperback. Zustand: New. Language:Chinese.Pages Number: 150 Publisher: Shandong Science and Technology Pub. Date :2009-01-01 version 1. Contents: First. the reasons for the occurrence of fish diseases (a) the classification of fish (b) fish diseases caused by environmental factors (C) lead to fish of the biological factors (d) factors that caused their fish two fish. fish disease diagnosis (A) site survey. asking (b) on-site observation. test (c) the diagnosis of three fish. freshwater fish Health Management (A) to m.

paperback. Zustand: New. Paperback. Pub Date :2013-12-01 Pages: 56 Language: Chinese Publisher: Yellow River Conservancy Press engineering geology field course teaching is to consolidate classroom theoretical knowledge. students scientific literacy and the ability to work in an important practical teaching. 50 years. irrigation and environment. Zhengzhou University. Henan Province. take advantage of various geological parks and typical geological rich teaching resources. teaching practice and achieved good results. B.

paperback. Zustand: New. Paperback. Pub Date: 2018-01-01 Pages: 196 Language: Chinese Publisher: science press. Beijing. tectonic coal and gas outburst has been the three soft coal mining for many years in henan province faces serious geological disasters.The author use of engineering geology. elastic-plastic mechanics. fracture mechanics. fluid mechanics and rock testing and computer numerical simulation theory and method. etc. To open.