Quaternary glacial history of the Kanas Valley, Chinese Altai, NW China, constrained by electron spin resonance and optically stimulated luminescence datings

2017 ◽  
Vol 147 ◽  
pp. 164-177 ◽  
Author(s):  
Jianqiang Yang ◽  
Yixin Chen ◽  
Xiangke Xu ◽  
Zhijiu Cui ◽  
Heigang Xiong
Keyword(s):  
Electron Spin Resonance ◽  
Electron Spin ◽  
Optically Stimulated Luminescence ◽  
Glacial History ◽  
Nw China ◽  
Spin Resonance ◽  
History Of

The Thermal History of Maize Kernels Determined By Electron Spin Resonance

Archaeometry ◽  
2001 ◽  
Vol 43 (3) ◽  
pp. 407-419 ◽  
Author(s):  
M. R. Schurr ◽  
R. Hayes ◽  
L. L. Bush
Keyword(s):  
Electron Spin Resonance ◽  
Electron Spin ◽  
Thermal History ◽  
Spin Resonance ◽  
History Of ◽  
Maize Kernels

Electron spin resonance optical dating of marine, estuarine, and aeolian sediments in Florida, USA

2013 ◽  
Vol 79 (1) ◽  
pp. 66-74 ◽  
Author(s):  
Kevin E. Burdette ◽  
William J. Rink ◽  
David J. Mallinson ◽  
Guy H. Means ◽  
Peter R. Parham
Keyword(s):  
Electron Spin Resonance ◽  
Radiation Dose ◽  
Electron Spin ◽  
Optically Stimulated Luminescence ◽  
Optical Dating ◽  
Aeolian Sediments ◽  
Spin Resonance ◽  
Siliciclastic Sediments ◽  
First Time

AbstractFor the first time, electron spin resonance optical dating (ESROD) has been conducted on littorally transported and aeolian siliciclastic sediments in Florida. ESROD utilizes light-sensitive radiation-sensitive defects at silicon sites that have been replaced by aluminum and titanium atoms to give rise to a time-dependant signal. These defects saturate at higher levels of radiation dose, compared to optically stimulated luminescence, and therefore extend the optical dating range back into the millions of years. Our results show that the Trail Ridge Sequence is a multi-depositional unit that began deposition around 2.2 Ma and continued until 6 ka. The Osceola Cape, of the Effingham Sequence, was deposited around 1.5 Ma, and the Chatham Sequence was a multi-depositional terrace with at least three events preserved.

Flash (Vacuum) Pyrolysis Apparatus and Methods

2014 ◽  
Vol 67 (9) ◽  
pp. 1150 ◽  
Author(s):  
Curt Wentrup
Keyword(s):  
Electron Spin Resonance ◽  
Electron Spin ◽  
Low Pressure ◽  
Flash Pyrolysis ◽  
Laser Pyrolysis ◽  
Flash Vacuum Pyrolysis ◽  
Vacuum Pyrolysis ◽  
Spin Resonance ◽  
History Of

The history of pyrolysis equipment, methods, and reactions is narrated in the Introduction. Detailed descriptions of flash vacuum pyrolysis (FVP) (or thermolysis, FVT) apparatus for preparative and spectroscopic (UV, IR, electron spin resonance) purposes with product isolation at 77 K or in Ar matrices at ~10 K are presented. Very low pressure pyrolysis (VLPP), laser pyrolysis, and pulsed pyrolysis (jet flash pyrolysis) are also described together with illustrations of apparatus. The solvent spray flash vacuum pyrolysis (SS-FVP) of liquids or solutions of compounds of low volatility is described together with methods for the addition of solids to a pyrolysis tube, in particular details of pipto-pyrolysis (‘falling solid pyrolysis’). Methods used for catalytic vacuum gas–solid reactions (VGSR) are also summarised.

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