乳糖是乳的主要碳水化合物.Lactose is the main carbohydrate occurring in milk.乳糖产生葡萄糖和半乳糖.Lactose gives glucose and galactose.碳水化合物部分由半乳糖,葡糖胺, 岩藻糖和唾液酸组成.The carbohydrate portion is made of gala ctose, glucosamine, fucose and sialic ac...
由于低渗气藏一般具有低孔低渗的特点,所以其渗流机理与普通气藏相差很大.The percolation mechanism of low permeability reservoirs differs a lot from that of conventional gas reservoirs.低孔低渗的岩性、物性的变化影响了水淹层的有效识别.The changing lithology and physical property imp...
Two of the fundamentals of the physical processes of earth materials have been introduced so far.到目前为止,我们已介绍了地球物质的物理过程的两个基本概念.They agree on fundamentals, like the need for further political reform.他们在需要深化政治改革等基本问题上意见一致。O...