Results 141 to 150 of about 14,805,720 (306)

Heterogeneous Single/Dual‐Atom Electrocatalysts in Lithium–Sulfur Batteries

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This review summarizes recent advances in single‐atom and dual‐atom electrocatalysts for high‐performance lithium–sulfur batteries. The text systematically covers the classification of catalysts by active metal centers, key synthesis methods, in situ characterization for mechanistic insights, and electrocatalytic mechanisms.
Wenbin Li   +3 more
wiley   +1 more source

Integrated Hydrological Modeling for Watershed Analysis, Flood Prediction, and Mitigation Using Meteorological and Morphometric Data, SCS-CN, HEC-HMS/RAS, and QGIS

open access: yesWater
Flooding is a natural disaster with extensive impacts. Desert regions face altered flooding patterns owing to climate change, water scarcity, regulations, and rising water demands.
Heba El-Bagoury, A. Gad
semanticscholar   +1 more source

Low‐Dimensional Materials and Van Der Waals Heterostructures for Energy Application: A Comprehensive Review

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Low‐dimensional materials (0D, 1D, and 2D) exhibit unique electronic and physicochemical properties, enabling advanced nanoelectronic and optoelectronic devices. Mixed‐dimensional heterostructures combine these materials to enhance functionality.
Qaisar Alam   +3 more
wiley   +1 more source

Comparative analysis of medical expenditure with nebulized budesonide versus systemic corticosteroids in hospitalized patients with acute exacerbations of chronic obstructive pulmonary disease in China

open access: yesInternational Journal of COPD, 2019
Jing Zhang,1 Wanzhen Yao,1 Xuedan You,2 Tianyi Liu,2 Yuantao Liu31Department of Respiratory Medicine, Peking University Third Hospital, Beijing, People’s Republic of China; 2Medical Affairs, AstraZeneca, Beijing, People’s Republic of China ...
Zhang J, Yao W, You X, Liu T, Liu Y
doaj  

Synthesis, Structure, and Lewis Acidity of Heavy Pnictenium Cations

open access: yesEuropean Journal of Inorganic Chemistry, EarlyView.
A series of donor‐coordinated and donor‐free heavy pnictenium cations were synthesized and structurally characterized. The cations are strong Lewis acids according to experimental (Gutmann–Beckett method) and computational studies (FIAs). Strained pnictanes L1PnNaph (Pn = Sb 1, Bi 2; L1 = 2,6‐(2,4,6‐i‐Pr3C6H2)2C6H3) were synthesized and protonation ...
Alexander Gehlhaar   +2 more
wiley   +1 more source

Runoff estimation using SCS CN method for Kelantan River Basin

open access: yes, 2015
Runoff is one of the basic and crucial hydrological data which is needed in the water resources planning and management e.g. flood mitigation measures, waterways, and storage capacity and erosion control.
Abdul Malek, Ismail Adnan   +5 more
core   +1 more source

KAJIAN HUJAN–ALIRAN MENGGUNAKAN MODEL HEC–HMS DI SUB DAERAH ALIRAN SUNGAI WURYANTORO WONOGIRI, JAWA TENGAH [PDF]

open access: yes, 2017
Model HEC-HMS untuk perhitungan hujan-aliran di DAS terdiri atas masukan berupa hujan dan karakteristik DAS serta aliran sebagai keluaran. Tujuan penelitian ini adalah 1) mengetahui karakteristik fisik DAS berupa nilai curve number (CN), 2) mengetahui ...
Munajad, Rifai; Fakultas Geografi UGM   +1 more
core  

Mo‐Catalyzed Synthesis of 3‐Substituted Quinolines From Nitroarenes and Aldehydes

open access: yesEuropean Journal of Organic Chemistry, EarlyView.
A one‐pot Friedländer synthesis of 3‐substituted quinolines from readily available o‐nitrobenzaldehydes and aldehydes or acetals has been developed under dioxomolybdenum(VI) catalysis. Pinacol acts as a benign reductant, enabling in situ nitroarene reduction and annulation without isolation of o‐aminobenzaldehydes and provides access to diverse ...
Raúl Martínez‐González   +3 more
wiley   +1 more source

SCS-CN parameter determination using rainfall-runoff data in heterogeneous watersheds. The two-CN system approach

open access: yes, 2011
. The Soil Conservation Service Curve Number (SCS-CN) approach is widely used as a simple method for predicting direct runoff volume for a given rainfall event. The CN values can be estimated by being selected from tables. However, it is more accurate to
K. X. Soulis, J. D. Valiantzas
core   +1 more source

Challenges and trends in hydrogen production by electrolysis

open access: yesEnvironmental Progress &Sustainable Energy, EarlyView.
Abstract The growing global demand for clean and sustainable energy has intensified research into hydrogen production via water electrolysis. In this context, this review provides an integrative analysis of recent advances in electrolytic hydrogen production, emphasizing electrocatalytic materials, electrolyte composition, process efficiency, techno ...
Eduarda Carolina Hagemann Lopes   +2 more
wiley   +1 more source

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