Vermicular cast iron is used in certain fields because of its special physical properties. However, it is difficult to control the quality from the front of the
Ms.Margo Tsirigotis Oge,Di- rector of Office of Transpor- tation and Air Quality,Envi- ronmental Protection Agency of United States“flew across the Pacific Oce
The critical slip surface of a fractured rock slope tends to extend along the fractures.Thus,fracture orientation plays a critical role in determining the criti