研究了河南嵩山风景区不同海拔旅游干扰（LD,低度旅游干扰;MD,中度旅游干扰;HD,重度旅游干扰）对土壤性质的影响。结果表明,不同海拔旅......

标高是建筑物的竖向尺寸,是施工图设计及工程施工的重要参数和依据,笔者就实际工作中所遇到的一些施工图中有些标高的设定不尽合理......

The hydrodynamic analysis of multi-floating bodies is important and widely used in marine engineering. In this study, we......

【目的】通过比较300、420、800、1110m海拔下尤力克柠檬(Eureka lemon)的光合特性,为尤力克柠檬最适宜栽培海拔高度及布局提供依......

Probability distributions of wave phases in association with distributions of surface elevations arestudied with wave re......