Results 161 to 170 of about 909,329 (315)
Intelligent Diagnosis towards Hydraulic Axial Piston Pump Using a Novel Integrated CNN Model. [PDF]
Sensors (Basel), 2020 Tang S, Zhu Y, Yuan S, Li G.
europepmc +1 more source
ChemCatChem, Volume 18, Issue 3, 12 February 2026.ABSTRACT In the development of economic competitive and sustainable pharmaceutical manufacturing with homogeneous catalysts, catalyst recovery is a key step toward efficient and scalable processes, as it directly impacts process efficiency and economic feasibility.
Maurice Moll +5 more
wiley +1 more source
ChemCatChem, Volume 18, Issue 3, 12 February 2026.ABSTRACT Ligand oxidation is a reoccurring catalyst deactivation mechanism in catalytic systems containing phosphine ligands. Here we report the use of operando FTIR spectroscopy for the investigation of the aerobic oxidation of the common Pd‐triphenylphosphine catalytic system using [Pd(OAc)2] and [Pd(PPh3)4] as precursors.
Niklas Wessel +3 more
wiley +1 more source
Performance Degradation Prediction Based on a Gaussian Mixture Model and Optimized Support Vector Regression for an Aviation Piston Pump. [PDF]
Sensors (Basel), 2020 Lu C, Wang S.
europepmc +1 more source
, 1979 A check valve which closes more rapidly to prevent wearing of the valve seat and of the valve member that seals thereagainst, including a solenoid or other actuator that aids the normal spring to quickly close the valve at approximately the time when ...
Perkins, Gerald S.
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ChemSusChem, Volume 19, Issue 3, February 2026.We developed a suppressed ion chromatography method with automated matrix neutralization and matrix elimination for the quantitative determination of ammonium in electrochemical ammonia synthesis research. Online determination of ammonium in 0.2 M sulfuric acid electrolyte revealed Nafion ionomer as a non‐negligible secondary source of ammonium ...
Sebastian Bragulla +4 more
wiley +1 more source
Resistivity Change Mechanism in the Carbon Dioxide Sequestration Process
Energy Science &Engineering, Volume 14, Issue 2, Page 752-763, February 2026.This study explores the variation law, influencing factors, and mechanisms of resistivity in the interaction between CO₂ and saltwater. This study used a hollow PEEK conductor to simulate core pores. With excellent thermal stability, mechanical strength, and electrical insulation, its homogeneous, nonporous nature eliminates interference from rock ...
Xinke Jin +5 more
wiley +1 more source
Research on the Mechanism of Sand Bridge Stuck Drill in Deep Coal and Rock Gas Horizontal Wells
Energy Science &Engineering, Volume 14, Issue 2, Page 854-865, February 2026.Accounting for wellbore collapse debris and the bulldozer effect, this study develops models for permeable and impermeable sand bridge sticking in deep CBM horizontal wells, deriving resistance and volume formulations. Validated in Changqing, results show impermeable bridges dominate; controls (fluid optimization, staged drilling, circulation, speed ...
Cheng Hui +7 more
wiley +1 more source
Design study and evaluation of a hypergolic engine for a space power system, phase 2 Final report, 1 Jul. 1964 - 10 Feb. 1966 [PDF]
Design feasibility of hypergolic engine for space power ...
Arao, M. +2 more
core +1 more source
Noise, Vibration, and Harshness (NVH) Challenges in Hydrogen Internal Combustion Engine Vehicles
Energy Science &Engineering, Volume 14, Issue 2, Page 1067-1080, February 2026.ABSTRACT This paper presents a state‐of‐the‐art literature review on noise, vibration, and harshness (NVH) in hydrogen‐fuelled internal combustion engines. Studies published between 2011 and 2025 were screened, covering fundamental flame physics, test‐bench work, and recent prototype vehicles.
Krisztián Horváth
wiley +1 more source