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Dating Paleosol And Animal Remains In Loess Deposits, H. C. Zhang, B. Li, M. S. Yang, G. L. Lei, H. Ding, Jie Niu, H. F. Fan, W. X. Zhang, F. Q. Chang Jan 2006

Dating Paleosol And Animal Remains In Loess Deposits, H. C. Zhang, B. Li, M. S. Yang, G. L. Lei, H. Ding, Jie Niu, H. F. Fan, W. X. Zhang, F. Q. Chang

Faculty Publications

Accurate and reliable dating of paleosols, animal remains, and artifacts is of crucial importance in reconstructing environmental change and understanding the interrelationship between human activities and natural environments. Dating different materials in the same sample can help resolve problems such as soil carbon sources and carbon storage state. Conventional radiocarbon dating of soil (inorganic and organic matter) and accelerator mass spectrometry (AMS) dating of animal remains (fossil bones and teeth) result in different ages for materials from the same sample position in a typical loess section at Xinglong Mountain, Yuzhong County, Gansu Province in NW China. Inorganic matter is ∼3400 …


The Relationship Between Parent-Adolescent Conflict And Academic Achievement, Marie S. Nebel-Schwalm Jan 2006

The Relationship Between Parent-Adolescent Conflict And Academic Achievement, Marie S. Nebel-Schwalm

LSU Master's Theses

Previous research has shown family conflict to have a detrimental effect on the academic functioning of children and adolescents. Most research conceptualizes family conflict as marital distress or divorce. Additional factors that have been shown to effect academic functioning include cognitive ability (i.e., intelligence), academic skills (e.g., homework behaviors), and amount of resources (i.e., socioeconomic status, SES). The present study investigated whether parent-adolescent conflict is related to adolescent academic achievement after accounting for cognitive ability and homework behaviors. Participants include 74 middle school students attending public school in a low-SES urban environment. Prior to conducting analyses, parent and adolescent reports …


Theoretical And Experimental Study On Cable Vibration Reduction With A Tmd-Mr Damper, Wenjie Wu Jan 2006

Theoretical And Experimental Study On Cable Vibration Reduction With A Tmd-Mr Damper, Wenjie Wu

LSU Doctoral Dissertations

Stay cables are vulnerable to dynamic excitations because of their low intrinsic damping. Excessive cable vibrations cause frequent maintenance and are detrimental to the safety of the entire bridge. Targeting the severe cable vibration problem, in addition to using the existing Magnetorheological (MR) damper, the current study proposes a new type of damper, called the Tuned Mass Damper-Magnetorheological (TMD-MR) damper. Theoretical and experimental investigations for the damper performance on the cable vibration reduction are conducted, which provides the necessary research support for practical implementation. Experiments on the individual MR damper are carried out first to gain some experience on the …


Lsu General Catalog 1992-1993, Louisiana State University And Agricultural And Mechanical College Jan 1992

Lsu General Catalog 1992-1993, Louisiana State University And Agricultural And Mechanical College

LSU General Catalog

The LSU General Catalog describes all undergraduate and graduate departments and programs with degree requirements and courses offered for each one. The General Catalog includes information on registration and financial aid as well as academic services offered to all students.


A Study Of Modern Foreign Languages In The Curriculums Of Louisiana Colleges And Universities., Hazel Haynes Mitchell Jan 1964

A Study Of Modern Foreign Languages In The Curriculums Of Louisiana Colleges And Universities., Hazel Haynes Mitchell

LSU Historical Dissertations and Theses

No abstract provided.