Results 71 to 80 of about 6,434,964 (293)

Physics‐Constrained Constitutive Learning of Rate‐Limiting Timescales for Efficient Hydrogen‐Based Direct Reduction for Green Steel Making

Advanced Science, EarlyView.
A conversion‐resolved constitutive framework is developed for the hydrogen‐based direct reduction of iron oxide pellets. Effective reaction and transport timescales are inferred directly from measured trajectories and mapped against operating conditions, pellet architecture, and composition. The analysis reveals how late‐stage transport control emerges
Anurag Bajpai, Barak Ratzker, Pasquale Cavaliere, Dierk Raabe   +3 more
wiley   +1 more source

Attribution of extreme precipitation in the lower reaches of the Yangtze River during May 2016

Environmental Research Letters, 2018
May 2016 was the third wettest May on record since 1961 over central eastern China based on station observations, with total monthly rainfall 40% more than the climatological mean for 1961–2013. Accompanying disasters such as waterlogging, landslides and
Chunxiang Li, Qinhua Tian, Rong Yu, Baiquan Zhou, Jiangjiang Xia, Claire Burke, Buwen Dong, Simon F B Tett, Nicolas Freychet, Fraser Lott, Andrew Ciavarella   +10 more
doaj   +1 more source

Detection of human influence on a new, validated 1500-Year temperature reconstruction [PDF]

, 2007
Climate records over the last millennium place the twentieth-century warming in a longer historical context. Reconstructions of millennial temperatures show a wide range of variability, raising questions about the reliability of currently available ...
Allen, M., Hegerl, Gabriele C., Allen, Myles, Pollack, Henry N., Hegerl, G. C., Crowley, T. J., Pollack, H. N., Crowley, Thomas J., Hyde, William T., Smerdon, Jason E., Zorita, Eduardo, Smerdon, J., Zorita, E., Hyde, W. T.   +13 more
core   +1 more source

A Global Methane Observation System to Reduce Uncertainty for Anthropogenic and Natural Sources and Sinks for Detecting and Attributing Climate Feedbacks

Advanced Science, EarlyView.
Conceptual illustration of a Global Ecosystem Methane Observing System (GEM‐OS) integrating satellites, aircraft, atmospheric networks, and ecosystem measurements to quantify methane emissions from anthropogenic and natural sources. The multi‐scale observing framework improves source attribution, reduces uncertainty in regional methane budgets, and ...
P. Ciais, S. Peng, J. Chang, F. Li, Q. Zhu, K. Yuan, G. Hugelius, H. Li, Y. Cai, F. Chevallier, K. Tibrewal, E. A. Kort, K. Arndt, J. Watts, B. Buma, N. Besic, P. I. Palmer, H. Cadillo‐Quiroz, E. Euskirchen, M. J. Gondwe, A. Hoyt, R. Jackson, S. Malone, D. Monteverde, S. Natali, M. Ramonet, C. Rey‐Sanchez, L. B. Sagang, E. A. G. Schuur, R. Vargas, R. Varner, Z. Zhang, B. Poulter   +32 more
wiley   +1 more source

Chlorine‐Functionalized Silane‐Modified Copper Electrocatalyst for Enhanced CO2 Reduction to Multi‐Carbon Products

Advanced Science, EarlyView.
A chlorine‐functionalized silane modifier (CPTMS) is introduced to cooperatively regulate CO2 reduction to C2+ products on Cu‐based catalysts. Dual‐functional interface sequentially enhances CO2 activation, intermediates protonation and C─C coupling, delivering a 5‐fold increase in C2+ faradaic efficiency (FE, 75% vs.
Ying Ying Ch'ng, Sankhadip Saha, Ming Zhang, Shujie Zhou, Lixue Jiang, Putri Ramadhany, Jitraporn Vongsvivut, Adrian Cernescu, Priyank Vijaya Kumar, Yihao Shan, Zhipeng Ma, Xiaoxuan Luo, Rahman Daiyan, Zhaojun Han, Rose Amal   +14 more
wiley   +1 more source

Small influence of solar variability on climate over the past millennium [PDF]

, 2014
The climate of the past millennium was marked by substantial decadal and centennial scale variability in the Northern Hemisphere(1). Low solar activity has been linked to cooling during the Little Ice Age (AD 1450-1850; ref.
Hegerl, Gabriele C., Tett, Simon F. B., Schurer, Andrew P., Simon F. B. Tett, Gabriele C. Hegerl, Andrew P. Schurer   +5 more
core   +1 more source

The Plant‐to‐Plant Circular Strategy: Coupling Photodegradation and Phytoremediation With Plant‐Based Nanomaterials for Plastic Degradation

Advanced Science, EarlyView.
Plant‐based nanomaterials derived from alfalfa serve as dual‐function catalysts, coupling photodegradation and phytoremediation to degrade polyethylene under UV‐A light and in soil. The nanomaterials work synergistically with alfalfa and soil microbes, achieving efficient plastic breakdown without trophic transfer.
Haoran Liu, Lena Ciric, Yuheng Wang, Ziru Pei, Manpreet Bhatti   +4 more
wiley   +1 more source

Growth-Regulatory Effect of Thiazolyl Acetic Acid Derivatives on Lepidium sativum and Sinapis alba

International Journal of Plant Biology
The search for new growth-regulating compounds remains a relevant research direction in view of the issue of food security. Previously, a number of thiazolyl acetic acid derivatives have been synthesized, which are promising biologically active compounds
Nataliia Tkachuk, Volodymyr Antonenko, Svitlana Kyriienko, Erzsébet Kohut, Anita Szikura, Yurii Karpenko, Oleksandr Yakovenko, Oksana Sahach, Yaroslav Novikov, Oleksandr Lukash   +9 more
doaj   +1 more source

Anthropogenic Influences on 2019 July Precipitation Extremes Over the Mid–Lower Reaches of the Yangtze River

Frontiers in Environmental Science, 2020
Understanding the driving factors for precipitation extremes matters for adaptation and mitigation measures against the changing hydrometeorological hazards in Yangtze River basin, a habitable area that provides water resources for domestic, farming, and
Nergui Nanding, Yang Chen, Huan Wu, Buwen Dong, Fangxing Tian, Fraser C. Lott, Simon F. B. Tett, Miguel Angel Rico-Ramirez, Yiheng Chen, Zhijun Huang, Yan Yan, Delei Li, Rouke Li, Xuan Wang, Xuewei Fan   +14 more
doaj   +1 more source

Anthropogenic Features

, 2010
The impact of human activities on soils can be examined at many spatial scales. This chapter considers human activities that directly influence soils and regoliths such as agricultural practices, application of waste materials and land clearance through ...
Adderley, W Paul, Clare A. Wilson, Wilson, Clare, Davidson, Donald, Donald A. Davidson, Ian A. Simpson, Simpson, Ian, W. Paul Adderley   +7 more
core   +1 more source