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Arrival of land plants changed Earth's climate control system 新闻
来源平台：EurekAlert. 发布日期：2021
作者:  admin
收藏  |  浏览/下载：5/0  |  提交时间：2021/07/26
Hyperpolarized proton MRI used to observe metabolic processes in real time 新闻
来源平台：EurekAlert. 发布日期：2021
作者:  admin
收藏  |  浏览/下载：4/0  |  提交时间：2021/03/15
Isotopic evidence for quasi-equilibrium chemistry in thermally mature natural gases 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2020, 117 (8) : 3989-3995
作者:  Thiagarajan, Nivedita;  Xie, Hao;  Ponton, Camilo;  Kitchen, Nami;  Peterson, Brian;  Lawson, Michael;  Formolo, Michael;  Xiao, Yitian;  Eiler, John
收藏  |  浏览/下载：7/0  |  提交时间：2020/05/13
stable isotopes  compound-specific isotope analysis  clumped isotopes  natural gas  methane  
K isotopes as a tracer for continental weathering and geological K cycling 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2019, 116 (18) : 8740-8745
作者:  Li, Shilei;  Li, Weiqiang;  Beard, Brian L.;  Raymo, Maureen E.;  Wang, Xiaomin;  Chen, Yang;  Chen, Jun
收藏  |  浏览/下载：8/0  |  提交时间：2019/11/27
continental weathering  K isotopes  rivers  fractionation  K cycling  
North America's oldest boreal trees are more efficient water users due to increased [CO2], but do not grow faster 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2019, 116 (7) : 2749-2754
作者:  Giguere-Croteau, Claudie;  Boucher, Etienne;  Bergeron, Yves;  Girardin, Martin P.;  Drobyshev, Igor;  Silva, Lucas C. R.;  Helie, Jean-Francois;  Garneau, Michelle
收藏  |  浏览/下载：12/0  |  提交时间：2019/11/27
water use efficiency  carbon dioxide  stable isotopes  productivity  boreal forest  
Disentangling the role of photosynthesis and stomatal conductance on rising forest water-use efficiency 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2019, 116 (34) : 16909-16914
作者:  Guerrieri, Rossella;  Belmecheri, Soumaya;  Ollinger, Scott V.;  Asbjornsen, Heidi;  Jennings, Katie;  Xiao, Jingfeng;  Stocker, Benjamin D.;  Martin, Mary;  Hollinger, David Y.;  Bracho-Garrillo, Rosvel;  Clark, Kenneth;  Dore, Sabina;  Kolb, Thomas;  Munger, J. William;  Novick, Kimberly;  Richardson, Andrew D.
收藏  |  浏览/下载：16/0  |  提交时间：2019/11/27
tree rings  stable isotopes  water-use efficiency  AmeriFlux  CO2 fertilization  
Extraterrestrial ribose and other sugars in primitive meteorites 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2019
作者:  Yoshihiro Furukawa;  Yoshito Chikaraishi;  Naohiko Ohkouchi;  Nanako O. Ogawa;  Daniel P. Glavin;  Jason P. Dworkin;  Chiaki Abe;  and Tomoki Nakamura
收藏  |  浏览/下载：7/0  |  提交时间：2019/11/27
meteorite  carbohydrate  exogenous delivery  ribose  RNA  
Ecological and hydroclimate responses to strengthening of the Hadley circulation in South America during the Late Miocene cooling 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2019, 116 (20) : 9747-9752
作者:  Carrapa, Barbara;  Clementz, Mark;  Feng, Ran
收藏  |  浏览/下载：9/0  |  提交时间：2019/11/27
Late Miocene cooling  South America  Hadley circulation  stable isotopes  Andes  
Large changes in biomass burning over the last millennium inferred from paleoatmospheric ethane in polar ice cores 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2018, 115 (49) : 12413-12418
作者:  Nicewonger, Melinda R.;  Aydin, Murat;  Prather, Michael J.;  Saltzman, Eric S.
收藏  |  浏览/下载：14/0  |  提交时间：2019/11/27
ethane  ice cores  biomass burning  geologic hydrocarbons  Little Ice Age  
Redox-dependent niche differentiation provides evidence for multiple bacterial sources of glycerol tetraether lipids in lakes 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2018, 115 (43) : 10926-10931
作者:  Weber, Yuki;  Damste, Jaap S. Sinninghe;  Zopfi, Jakob;  De Jonge, Cindy;  Gilli, Adrian;  Schubert, Carsten J.;  Lepori, Fabio;  Lehmann, Moritz F.;  Niemann, Helge
收藏  |  浏览/下载：11/0  |  提交时间：2019/11/27
paleoclimate  lakes  GDGT  delta C-13  microbial ecology