简介:新疆阿尔泰造山带南缘包括额尔齐斯构造带,为重要金矿床成矿带之一.文章以研究区成矿地质背景及成矿特征为基础,应用金矿成矿过程中构造-流体-成矿作用理论,对阿尔泰造山带南缘金矿成矿规律进行分析和探讨,提出了阿尔泰造山带南缘山-盆转换系统内金的构造-流体-成矿作用体系中构造主导作用、流体直接作用及构造和流体耦合作用与金矿成矿机理和时空分布特征间的关系.
简介:ThefeaturesofphysicalgeographyinthetransitionalregionbetweenQinlingMountainsandHuanghuaiPlainpossesstransitionalcharactersevidentlyintwodirections:oneisfromthewesternmountaintotheeasternplainandtheotherisfromsouthernsubtropicalzonetonortherntemperatezone.Torrentialrain,especiallystrongtorrentialrainisfrequentinthetransitionalregion,andtherearemanytorrentialraincenters.Amajorityoftorrentialrainisdistributedamong100-200masl.Thewintertemperatureat100-400maslishigherthanthatinHuanghuaiPlainwhosealtitudeislowerthanthatofthetransitionalregion,andthehighesttemperatureinJanuaryappearsat350-400masl.Thethicknessofwarmslopebeltinthetransitionalregionvariesfrom100mto250masl.Theformationoftorrentialrainandwarmslopebeltistheresultofjointactionofatmosphericcirculationandlocalterrain.Frequenttorrentialrainsandwarmslopebelthadtremendousinfluencesonthesoilproperties,plantdistributionandlocalclimateinthetransitionalregion.
简介:摘要:后浇带技术作为新时期建筑工程领域施工中的核心关键工艺,施工人员在工程项目中操作后浇带技术的综合水平与竣工后建筑物整体质量具有连带效应,因此施工单位需着重把控该技术在工程施工环节中的作业效果,从多维度保障工程建筑整体性、稳定性,间接增强工作人员施工安全性。