KATHLEEN MARK: Meteorite Craters — How scientists solved the riddle of these mysterious landforms, The University of Arizona Press, Tucson, 1987, 288 Seiten. Preis: $ 29.95 ISBN 0-8165-0902-6

1988 ◽  
Vol 309 (4) ◽  
pp. 248-248
Author(s):  
Karl-Otto Eschrich
Keyword(s):  
University Of Arizona ◽  
The University

RADIOCARBON IN MEXICO: FROM PROPORTIONAL COUNTERS TO AMS

Radiocarbon ◽  
2021 ◽  
pp. 1-7
Author(s):  
Corina Solís ◽  
Efraín Chávez ◽  
Arcadio Huerta ◽  
María Esther Ortiz ◽  
Alberto Alcántara ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Sample Preparation ◽  
High Voltage ◽  
Accelerator Mass Spectrometry ◽  
Science And Technology ◽  
National Council ◽  
University Of Arizona ◽  
Technological Developments ◽  
High Voltage Engineering ◽  
The University

ABSTRACT Augusto Moreno is credited with establishing the first radiocarbon (14C) laboratory in Mexico in the 1950s, however, 14C measurement with the accelerator mass spectrometry (AMS) technique was not achieved in our country until 2003. Douglas Donahue from the University of Arizona, a pioneer in using AMS for 14C dating, participated in that experiment; then, the idea of establishing a 14C AMS laboratory evolved into a feasible project. This was finally reached in 2013, thanks to the technological developments in AMS and sample preparation with automated equipment, and the backing and support of the National Autonomous University of Mexico and the National Council for Science and Technology. The Mexican AMS Laboratory, LEMA, with a compact 1 MV system from High Voltage Engineering Europa, and its sample preparation laboratories with IonPlus automated graphitization equipment, is now a reality.

What Works in the Language Classroom: The 2005 Western Consortium Multi-Language Conference

2005 ◽  
Vol 39 (1) ◽  
pp. 49-60
Author(s):  
Lance Askildson ◽  
Bryan Meadows
Keyword(s):  
Conference Proceedings ◽  
Middle Eastern ◽  
Language Instruction ◽  
What Works ◽  
Middle Eastern Studies ◽  
University Of Arizona ◽  
Language Classroom ◽  
Conference Presentations ◽  
The University ◽  
Participant Reactions

The 2005 Western Consortium Multi-Language Conference was hosted by the University of Arizona Center for Middle Eastern Studies. The theme and focus of this year conference proceedings was titled, hat Works in the Language Classroom. The conference thus aimed to bring together teachers and scholars of Middle Eastern languages in order to elucidate relevant pedagogical trends and techniques in the field of language instruction. Moreover, the conference served as a valuable venue for the exchange of pedagogically grounded scholarly material that provided for demonstrated classroom application. Conference participants and session presenters represented a diversity of institutions from around the country. The following provides a brief summary of the featured conference presentations and participant reactions.

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