Results 91 to 100 of about 1,557,124 (281)
Advanced Functional Materials, EarlyView.Controlling the exposed crystal facet of shape‐controlled Au‐Pd core‐shell catalysts though colloidal synthesis enhances their catalytic performance in the industrially relevant selective hydrogenation of butadiene. ABSTRACT Selective hydrogenation of butadiene is a critical step in purification of alkene feedstocks for polymer production and is ...
Marta Perxés Perich +3 more
wiley +1 more source
Advanced Healthcare Materials, EarlyView.Engineered microparticle topographies direct human mesenchymal stem cell osteogenesis without biochemical additives. This osteogenic commitment is driven by canonical Hedgehog signaling and followed by temporal IGF‐II engagement. Two‐photon polymerization demonstrates spatial control, enabling the engineering of topographical gradients that pattern ...
Fatmah I. Ghuloum +5 more
wiley +1 more source
Physical Education of StudentsBackground and Study Aim. Physical training plays a crucial role in preparing future specialists for the demands of the oil and gas industry, where physical endurance and coordination are essential for professional activities.
Roman Boichuk +6 more
doaj +1 more source
Natural Gas markets:How Sensitive to Crude Oil Price Changes? [PDF]
This paper investigates sensitivity of U.S. natural gas price to crude oil price changes, using time-varying coefficient models. Identification of the range of variation of the sensitivity of natural gas price to oil price change allows more accurate ...
Onour, Ibrahim
core +1 more source
Advanced Healthcare Materials, EarlyView.This review highlights recent advances in smart face masks that actively monitor breathing. By integrating humidity, gas, temperature, pressure, strain, and triboelectric sensors, these masks track key respiratory parameters in real time. The article summarizes sensor mechanisms, compares performance across studies, and discusses challenges and future ...
Negin Faramarzi +7 more
wiley +1 more source
Advanced Healthcare Materials, EarlyView.The synthesis process of MM@PCD@QNPs and its potential mechanism for treating PCOS. (A) Assembly steps of MM@PCD@QNPs. (B) Synthesis and decomposition of MM@PCD@QNPs. (C) Potential therapeutic mechanisms of MM@PCD@QNPs for PCOS. PCD, PABP conjugated with DEX polymer; QUR, quercetin; CDI, N, N′‐carbonyldiimidazole; DEX, dextran; PABP, 4‐(hydroxymethyl ...
Wenzhu Li +9 more
wiley +1 more source
Research and operational challenges of electric vehicles gear oils
Scientific ReportsThis paper presents a unique test bench designed to replicate the operation of a gearbox in an electric vehicle drive unit, its structural design, and research capabilities.
E. Barglik +4 more
doaj +1 more source
Risk analysis and prevention strategies for oil and gas pipelines under extreme events
You-qi chuyunObjectiveExtreme events such as natural disasters, geopolitical conflicts, and cyberattacks pose significant threats to the safe operation of China’s oil and gas pipelines.
Hongtao DIAO +7 more
doaj +1 more source
Conditional Leptokurtosis in Energy Prices: Multivariate Evidence from Futures Markets [PDF]
We study the joint movements of the returns on futures for crude oil, heating oil and natural gas at a daily frequency. We model the leptokurtic behavior through the multivariate GARCH with dynamic conditional correlations and elliptical distributions ...
Marzo, Massimiliano, Zagaglia, Paolo
core
Alaska Fuel Price Projections 2008 - 2030 [PDF]
, 2008 We generated Low, Medium, and High case fuel price projections for the years 2008-2030 for the following fuels: • Incremental natural gas in Southcentral Alaska delivered to a utility-scale customer • Incremental diesel delivered to a PCE community ...
Colt, Steve +2 more
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