Results 201 to 210 of about 130,756 (301)

Diet of bird‐like troodontid dinosaurs: synthesis of a contentious clade

Biological Reviews, EarlyView.
ABSTRACT Troodontidae is a clade of small‐to medium‐sized maniraptoran theropods that mainly lived in Laurasia (modern Asia, North America and Europe) during the Jurassic and Cretaceous periods and are believed to have had a variety of diets. The uniqueness of troodontid teeth suggests that they diverged from the typical flesh‐based diet of non‐avian ...
Yui Chi Fan, Case Vincent Miller, Michael Pittman   +2 more
wiley   +1 more source

Clumped Isotope Temperature Reconstruction Using Stalagmite Drip Cups. [PDF]

Rapid Commun Mass Spectrom
Umbo S, Box M, Intveld A, Longman J, Modestou S, Carolin SA, James DH, Martínez-García A, Lope CP, Brenner M, Hodell D, Breitenbach SFM.   +11 more
europepmc   +1 more source

Ruthenium‐Based Catalysts Supported on Lanthanum and Carbon‐Modified Alumina for Low‐Pressure Ammonia Synthesis

Carbon and Hydrogen, EarlyView.
We proposed a new “hydrogen transfer–desorption” synergistic regulation strategy and developed a Ru/Al2O3‐La‐C catalyst with dual functions. La‐O sites were constructed and carbon components were introduced into the catalyst to regulate the two key steps of hydrogen transfer and desorption on the catalyst surface, respectively, solving the problem of ...
Xiang Li, Guandong Wu, Yufei He, Dianqing Li   +3 more
wiley   +1 more source

Dynamic tracking of breastfeeding and weaning in carbon isotopes of tooth enamel. [PDF]

iScience
Kimura Y, Cerling TE, Yamada K, Seki A, Casanovas-Vilar I, Flynn LJ, Jacobs LL.   +6 more
europepmc   +1 more source

Radiocarbon Dating of Pottery Food Crusts: Reservoir Effect or not? The case of the Swifterbant pottery from Doel “Deurganckdok" [PDF]

, 2009
Boudin, Mathieu, Crombé, Philippe, Van Strydonck, Mark   +2 more
core  

Carbon‐14 Perovskite Betavoltaics Reach Record 10.79% Efficiency

Carbon Energy, EarlyView.
A perovskite‐based betavoltaic cell incorporating carbon‐14 nanoparticles and formamidinium lead iodide achieves a record energy conversion efficiency of 10.79%. The device design enhances charge generation through an electron avalanche multiplication mechanism.
Hong Soo Kim, Ryan Rhee, Junho Lee, Muhammad Bilal Naseem, Jung Hwan Lee, Jong Hyeok Park, Su‐Il In   +6 more
wiley   +1 more source

Recent production rates of cosmogenic nuclides in the igneous rocks of Jezero crater floor, Mars. [PDF]

Sci Rep
Zorzano M-, García-Herrera AC, Martín-Torres J.   +2 more
europepmc   +1 more source

Interfacial Ru–O–W Orbital Coupling Enables Lattice Oxygen Stabilization for Enhanced Acidic OER

Carbon Energy, EarlyView.
A RuO2/WO3 electrocatalyst with strong interfacial Ru–O–W bonds exhibits optimized Ru–O interactions, enhancing intrinsic activity and stability for acidic OER. The WO3 support modulates the electronic structure of RuO2 and promotes oxo‐intermediate deprotonation, delivering a low overpotential of 203 mV at 10 mA cm−2 and sustained operation beyond 200 
Tongzhou Wang, Shoujian Duan, Junyu Pan, Jihong Li, Li Shao, Lei Shi, Yuhan Sun, Jingming Ran, Huaiyu Shao, Yida Deng   +9 more
wiley   +1 more source

Stable hydrogen isotope in tropical bat hair and the Asian isoscape: A dataset to advance migration research. [PDF]

Sci Data
Chornelia A, Hughes AC.
europepmc   +1 more source

Functionalizing Conductive Diamond: Recent Advance in Fabrication, Modifications, and Applications

Carbon Energy, EarlyView.
This review highlights recent advancements in the synthesis, modification, and electrochemical applications of conductive diamond, particularly boron‐doped diamond (BDD). It emphasizes progress in fabrication methods, including CVD and HPHT, and explores modifications such as doping, surface terminations, and composite design, enabling significant ...
Ning Linghu, Xin Jiang, Jing Xu
wiley   +1 more source