两年一度的“交通运输研究国际会议(The International Conference on Traffic and Transportation Studies，ICTTS)”于2004年8月2-4日在大连瑞士酒店胜利召开了第4届会议(ICTFS 2004)。本届会议是经中国科学技术协会(CAST)批准并主办...两年一度的“交通运输研究国际会议(The International Conference on Traffic and Transportation Studies，ICTTS)”于2004年8月2-4日在大连瑞士酒店胜利召开了第4届会议(ICTFS 2004)。本届会议是经中国科学技术协会(CAST)批准并主办，由中国系统工程学会、北京交通大学联合承办，展开更多
三月的江南，充满春天的气息。对于我们来自北方的一行三人，感到一种舒适的温湿。3月18日，由交通部科学研究院和荷兰阿姆斯特丹RAI国际展览公司共同主办、北京市贸促会协办的“2009上海国际交通工程技术与设施展览会”（Intertraffic ...三月的江南，充满春天的气息。对于我们来自北方的一行三人，感到一种舒适的温湿。3月18日，由交通部科学研究院和荷兰阿姆斯特丹RAI国际展览公司共同主办、北京市贸促会协办的“2009上海国际交通工程技术与设施展览会”（Intertraffic China 2009）在上海展览中心隆重开幕。展开更多
Recent recognition of colloid and colloidassociated transport of strongly sorbing contaminants in fractured rocks highlights the importance of exploring the transport behavior of colloids under conditions prevailing i...Recent recognition of colloid and colloidassociated transport of strongly sorbing contaminants in fractured rocks highlights the importance of exploring the transport behavior of colloids under conditions prevailing in the field.The rapid transport of colloids through fractured rocks-as affected by the hydraulic properties of the flow system,the properties of fracture surface and the geochemical conditionshas not been sufficiently elucidated,and predictions of colloid transport through fractures have encountered difficulties,particularly at the field scale.This article reviews the current understanding of the mechanisms and modeling of colloid transport and retention in fractured rocks.Commonly used experimental techniques and approaches for conducting colloid transport experiments at different scales,ranging from the laboratory to the field scale,are summarized and commented upon.The importance of various interactions(e.g.,dissolution,colloid deposition,generation,mobilization and deposition of filling materials within fractures) between the flowing solution and the fracture walls(in many cases,with skin or coating on the host rock at the liquid-solid interface) has been stressed.Colloid transport through fractures of high heterogeneity has not yet been well understood and modeled at the field scale.Here,we summarize the current knowledge and understanding accumulated in the last two decades in regard to colloid and colloidassociated transport through fractures.Future research needs are also discussed.展开更多
文摘两年一度的“交通运输研究国际会议(The International Conference on Traffic and Transportation Studies，ICTTS)”于2004年8月2-4日在大连瑞士酒店胜利召开了第4届会议(ICTFS 2004)。本届会议是经中国科学技术协会(CAST)批准并主办，由中国系统工程学会、北京交通大学联合承办，
基金supported by the "Hundred Talents Program" of the Chinese Academy of Sciences (No. 724)the National Key Technology R&D Program of the Ministry of Science and Technology of China (No. 2011BAC09B05)+1 种基金the Chinese Academy of Sciences Visiting Professorship for Senior International Scientists(No. 2011T1Z27)the National Natural Science Foundation of China (No. 41171372)
文摘Recent recognition of colloid and colloidassociated transport of strongly sorbing contaminants in fractured rocks highlights the importance of exploring the transport behavior of colloids under conditions prevailing in the field.The rapid transport of colloids through fractured rocks-as affected by the hydraulic properties of the flow system,the properties of fracture surface and the geochemical conditionshas not been sufficiently elucidated,and predictions of colloid transport through fractures have encountered difficulties,particularly at the field scale.This article reviews the current understanding of the mechanisms and modeling of colloid transport and retention in fractured rocks.Commonly used experimental techniques and approaches for conducting colloid transport experiments at different scales,ranging from the laboratory to the field scale,are summarized and commented upon.The importance of various interactions(e.g.,dissolution,colloid deposition,generation,mobilization and deposition of filling materials within fractures) between the flowing solution and the fracture walls(in many cases,with skin or coating on the host rock at the liquid-solid interface) has been stressed.Colloid transport through fractures of high heterogeneity has not yet been well understood and modeled at the field scale.Here,we summarize the current knowledge and understanding accumulated in the last two decades in regard to colloid and colloidassociated transport through fractures.Future research needs are also discussed.
