Results 111 to 120 of about 31,534 (227)

Structure–Activity Correlations of Magnesium Oxide as Support for Ruthenium‐Catalyzed Ammonia Synthesis

ChemCatChem, Volume 18, Issue 9, 14 May 2026.
Quantum mechanical and experimental work was combined to reveal the relations between the catalytic activity of ruthenium‐based ammonia synthesis and the surface structure of the MgO support. Three different routes to synthesize MgO with different content of (111) surfaces were identified.
Svea Hoffgaard, Arend F. Rösel, Florian Rehak, Annalena Erdmann, Wigbert S. K. Polet, Kenta Stier, Mareck Checinski, Udo Kragl   +7 more
wiley   +1 more source

Intermetallic Compounds from Non-Noble Metals as Catalysts in the Electrochemical Reactions of Ammonia Synthesis

Chemistry Proceedings
Intermetallic compounds (IMCs) can be used to create catalysts with unsurpassed practical characteristics, including for demanding and stable electrochemical reactions such as nitrogen reduction (NRR), nitrate reduction (NO3RR), and nitrite reduction ...
Irina Kuznetsova, Dmitry Kultin, Olga Lebedeva, Sergey Nesterenko, Sergey Fyodorovich Dunaev, Leonid Kustov   +5 more
doaj   +1 more source

Group 6 Metal NHC and CAAC Complexes in Homogeneous Catalysis: Reactivity Trends and Selected Applications

ChemCatChem, Volume 18, Issue 9, 14 May 2026.
Group 6 metal complexes of Cr, Mo, and W supported by N‐heterocyclic carbenes are emerging as versatile platforms for homogeneous catalysis. This review highlights advances in reduction, hydrogen transfer, oxidation, and small molecule activation, revealing how ligand design controls reactivity and opens sustainable alternatives to noble‐metal ...
Beatriz Garcia, Alberto Bertoldo, Beatriz Royo   +2 more
wiley   +1 more source

Global change pattern of sedimentary nitrogen isotope during the Anthropocene epoch

Communications Earth & Environment
Nitrogen (N) cycling has been reshaped during the Anthropocene epoch, yet the global change pattern of sedimentary N stable isotope (δ15N) remains unclear.
Xin Li, Meng Lu, Jintai Wu, Liding Chen, Zhiming Zhang, Xun Wang, Jianjun Zhou, Kai Jensen, Xiaonan Zhang, Xiaolin Dou   +9 more
doaj   +1 more source

Simple data-driven context-sensitive lemmatization [PDF]

, 2006
Lemmatization for languages with rich inflectional morphology is one of the basic, indispensable steps in a language processing pipeline. In this paper we present a simple data-driven context-sensitive approach to lemmatizating word forms in running text.
Chrupała, Grzegorz
core   +1 more source

Polyoxometalates for Health, Electronics, Energy, and the Environment: Challenges, Opportunities, and Future Horizons

ChemistryEurope, Volume 4, Issue 5, May 2026.
Polyoxometalates (POMs), illustrated as lemon‐like cars racing along a winding road, symbolize the accelerating progress of POM research toward technological applications. Global research communities, recent advances, and emerging opportunities highlight how coordinated efforts drive the transition of POM science from molecular discovery to deployable ...
Kirill Monakhov, Stanislav K. Petrovskii, De‐Liang Long, May Nyman, Axel Kahnt, Jonas Warneke, Chris Ritchie, Tatjana N. Parac‐Vogt, Scott G. Mitchell, Yu‐Fei Song, Marco Moors, Anna Proust, Dominique Vuillaume, Masahiro Sadakane, Graham N. Newton, Haralampos N. Miras   +15 more
wiley   +1 more source

Recent research trends in the rational design strategies of carbon-based electrocatalysts for electrochemical ammonia synthesis

Carbon Trends
Ammonia electrosynthesis is the most sustainable way to produce carbon-free hydrogen carriers, which would pave the way for the foreseen hydrogen economy and carbon neutralization as it has the potential to replace the conventional Haber-Bosch process ...
Hyojung Lim, Jinuk Choi, Euihyeon Hwang, Sathyanarayanan Shanmugapriya, Gnanaprakasam Janani, Subramani Surendran, Heechae Choi, Gibum Kwon, Kyoungsuk Jin, Uk Sim   +9 more
doaj   +1 more source

Tuning Product Distribution in Plasma‐Activated Water by Modifying Reactor Design

Chemistry–Methods, Volume 6, Issue 5, May 2026.
This study systematically compares plasma‐activated water reactor configurations for nitrogen fixation, demonstrating that reactor design, catalyst inegration, and gas flow govern product selectivity. Slurry reactor favor nitrate formation, whereas needle system promote ammonium production.
Maria L. Carreon, Vashanti Storr, F. N. U. Gorky, Luis Fernando De Gracia Baptista, Apolo Nambo   +4 more
wiley   +1 more source

Thermal Field–Enhanced Electro‐, Photo‐, and Photoelectrocatalytic Processes: Fundamentals, Material Design, and Applications

ENERGY &ENVIRONMENTAL MATERIALS, Volume 9, Issue 3, May 2026.
Overview of thermal field–enhanced electro‐, photo‐, and photoelectrocatalytic processes: fundamentals, material design, and applications. As a very attractive approach to energy conversion and storage, electrocatalytic, photocatalytic, and photoelectrocatalytic strategies have gained increasing attention in the past decades.
Ziyi Qiao, Lingyi Li, Bing He, Yunhai Zhu, Yihuang Chen, Yingkui Yang, Xueqin Liu   +6 more
wiley   +1 more source

Ammonia Synthesis Over an Iron Catalyst with an Inverse Structure

Advanced Science
Achieving a substantial increase in the ammonia productivity of the Haber‐Bosch (HB) process at low temperatures has been a significant challenge for over 100 years.
Masashi Hattori, Kento Miyashita, Yuki Nagasawa, Ryo Suzuki, Michikazu Hara   +4 more
doaj   +1 more source