Results 131 to 140 of about 149,229 (279)
Adaptive Noise Reduction of Low-dose CT Sinograms Based on MCMC Method
工程科学与技术, 2011 :In order to improve the SNR of low-dose CT image, a novel adaptive noise reduction algorithm for low-dose CT sinogram was proposed based on the MCMC method.
doaj
Advanced Science, EarlyView.A piezocatalytic strategy enables simultaneous wastewater purification and hydrogen generation by harnessing mechanical energy. Complementary piezo‐induced charges are selectively directed toward oxidation and reduction pathways, achieving efficient pollutant degradation and continuous H2 evolution.
Yiqing Wei +8 more
wiley +1 more source
Advanced Science, EarlyView.Atomic coordination editing functions as an on/off switch that toggles single‐atom catalysts between CO2 electroreduction and hydrogen evolution. ABSTRACT Precise atomic coordination editing of single‐atom catalysts (SACs) provides an effective strategy to tune their electronic structures and catalytic selectivity. Yet, achieving near‐unity selectivity
Yukun Zhao +11 more
wiley +1 more source
A Gibbs Sampler for the (Extended) Marginal Rasch Model. [PDF]
Psychometrika, 2015 Maris G, Bechger T, San Martin E.
europepmc +1 more source
Two‐Dimensional Quaternary Alloys of (RuMoVNb)Se2 for Superior Hydrogen Evolution Reaction Catalysis
Advanced Science, EarlyView.Composition‐tuned (RuMoVNb)Se2 quaternary alloy nanosheets are synthesized via colloidal reactions. Incorporation of Ru into (MoVNb)Se2 ternary alloys results in more metallic electronic structures and significantly enhances their electrocatalytic activity for the hydrogen evolution reaction (HER) under alkaline, acidic, and neutral conditions.
Junaid Ihsan +11 more
wiley +1 more source
Una aproximación bayesiana al problema de heteroscedasticidad en el modelo lineal simple
Revista Colombiana de Estadística, 2005 Presentamos una implementación bayesiana para ayudar a resolver un pro blema de heteroscedaticidad en el modelo de regresión simple, fácilmente extendible al caso múltiple.
JUAN CARLOS CORREA
doaj
GSimp: A Gibbs sampler based left-censored missing value imputation approach for metabolomics studies. [PDF]
PLoS Comput Biol, 2018 Wei R +5 more
europepmc +1 more source
Advanced Science, EarlyView.The ABCABC stacking sequence in 2D ZnIn2S4 nanosheets creates intrinsic non‐centrosymmetry, enabling robust piezocatalysis under weak mechanical agitation. The nanosheets achieve a H2O2 yield of 276.7 µmol g−1 h−1 and uranium extraction capacity of 763.2 mg g−1 via a dual mechanism of direct piezoreduction and in situ H2O2 complexation.
Song Li +6 more
wiley +1 more source
A Molten Salt Extraction Method for Palladium Recovery via the CaPd2 Intermetallic Compound
Advanced Science, EarlyView.A designed Ca → CaPd2 → Pd pathway enables acid–free palladium recovery in molten salt. Calcium alloying forms anionic CaPd2, which is selectively oxidized by iodine from CaI2 to yield high–purity metallic Pd. ABSTRACT To address palladium scarcity and the low efficiency of conventional recovery processes, this work presents a molten–salt extraction ...
Jiapeng Zhang +6 more
wiley +1 more source
Gibbs Sampler-Based λ-Dynamics and Rao-Blackwell Estimator for Alchemical Free Energy Calculation. [PDF]
J Chem Theory Comput, 2017 Ding X, Vilseck JZ, Hayes RL, Brooks CL.
europepmc +1 more source