您要查找的是不是:
- water resources population bearing capacity 水资源人口承载力
- Studies on countywide agro-products population bearing capacity under optimized utilization structure of agro-land 农用地优化利用结构下的县域农产品人口支撑能力
- Keywords natural human environment;land preductivity;population bearing capacity; 自然人文环境;土地生产力;人口承载力;
- Keywords Evaluation;Function t Agroecosystem population bearing capacity of land; 复合农业生态系统;功能;评价;人口负载力;
- Analysis of Soil Resources and Population Bearing Capacity of North Shaanxi, Windy and Sandy Region Along the Great Wall 陕北长城沿线风沙区土地资源人口承载力分析
- population bearing capacity 人口承载力
- Bearing capacity research of high and low ACSR. 高(浅)拱形波纹钢屋盖承载力的研究。
- The speed index is the development index of the bearing capacity. 速度指标为承载力发展指数。
- Study on environmental bearing capacity and its quantification. 环境承载力的本质及其定量化初步研究。
- Bearing capacity research of ACSR with unequal altitude support. 支座不等高拱形波纹钢屋盖承载力的研究。
- Conic roller bearing is used for desirable bearing capacity. 园锥滚柱轴承,承载力大。
- The bearing capacity of land resources is the important indicator of area population and evaluation of resource and environmental sustainable development. 摘要土地资源承载力是区域人口、资源与环境可持续发展评价的重要指标。
- The bearing capacity is related to many factors such as width and space of CFS. 承载力的提高与碳纤维布条的幅宽、净间距等因素有关,试验测得在不同的条件下,承载力的提高幅度为19%25~37%25。
- Environmental bearing capacity of land consists of land environment partition, population capacity and carrying capacity of city construction of land environment. 土地环境容载力包括土地环境区划、土地环境人口容量和土地环境城市建设承载力。
- Lining cracks will affect the bearing capacity and the safety of tunnels. 隧道衬砌开裂将影响隧道的承载能力和使用安全。
- The current formula of bearing capacity of compound foundation is revised. 并对目前复合地基承载力的计算公式进行了修正。
- The ultimate uplift bearing capacity,failure mechanism of piles were studied. 研究了极限上拔承载力和抗拔桩的破坏机理。
- The formula for evaluating the horizonta l limit bearing capacity is suggested. 建议了计算单桶基础水平极限承载力的关系式。
- Therefore, the calculating method for the bearing capac ity and the deformation of underpinning structure were derived. 并建立了新旧混凝土交接面承载力的计算公式 ;进而提出了桩梁式托换结构承载力和变形的计算方法 .
- The paper also puts forward some suggestions for defining bearing capac ity by engineering piles. 同时 ,提出了利用工程桩作压载试验确定桩承载力的有关建议