必须知道各种材料的热导率和热扩散率.The thermal conductivities and thermal diffusivities of the material must be known.石英岩和岩盐的热导率最高.Quartztes and rock salt have the highest conductivities.在各向异性的非均质材料中,热流向量和热导率很复杂.In heterogeneous anisotro...
植物由于具有螯合机制可能影响土壤的化学特性.Plants may possibly influence soil chemistry by the possession of chelating mechanisms.确定螯合 -- 溶剂萃取法所得到的检测限颇为困难.It is difficult to define the detection limits obtained by chelation - solvent extract...
The park lies on top of a coalfield.公园位于一片煤田上。The Permian in Huainan coalfield is a set of deltaic coastal deposition.淮南煤田二叠系是以三角洲—滨岸平原相为主的沉积.Survey of XiShan coalfield geology, analyze coalform, improve of geology explo...
One reasonable explanation is that etching removes and blunts microcracks.有一种合理的解释是说腐蚀能够去掉并钝化微裂纹.Translation blunts communication and makes knowledge crunching anemic.语言转换减弱了交流的效果,使得知识积累也不尽如人意.Manheim's translation ...