Results 91 to 100 of about 797,039 (311)

Ultrastable Photoactive Halide Perovskite Nanocrystal‐Sensitized SnO2 Nanorods for Room‐Temperature NO2 Detection

open access: yesAdvanced Functional Materials, EarlyView.
ABSTRACT Metal oxide (MOx)‐based NO2 gas sensors typically require high temperatures or ultraviolet light, limiting their practical use. To enable visible‐light activation at room temperature, efficient and stable photosensitizers should be integrated with nanostructured MOx hosts.
Yeonji Yuk   +10 more
wiley   +1 more source

Emission FTIR analyses of thin microscopic patches of jet fuel residues deposited on heated metal surfaces [PDF]

open access: yes
The relationship of fuel stability to fuel composition and the development of mechanisms for deposit formation were investigated. Fuel deposits reduce heat transfer efficiency and increase resistance to fuel flow and are highly detrimental to aircraft ...
Lauer, J. L., Vogel, P.
core   +1 more source

Numerical Simulation for Droplet Combustion Using Lagrangian Hydrodynamics [PDF]

open access: yes, 1983
A predictive model of spray combustion must incorporate models for the wide variety of physical environments in a practical combustor. In regions where droplets are closely spaced, combustion resembles a diffusion flame; where they are well separated, an
Fritts, M. J., Fyfe, D. E., Oran, E. S.
core   +1 more source

Bio‐Inspired Molecular Events in Poly(Ionic Liquids)

open access: yesAdvanced Functional Materials, EarlyView.
Originating from dipolar and polar inter‐ and intra‐chain interactions of the building blocks, the topologies and morphologies of poly(ionic liquids) (PIL) govern their nano‐ and micro‐processibility. Modulating the interactions of cation‐anion pairs with aliphatic dipolar components enables the tunability of properties, facilitated by “bottom‐up ...
Jiahui Liu, Marek W. Urban
wiley   +1 more source

Evaluation of Multi-Crop Biofuel Pellet Properties and the Life Cycle Assessment

open access: yesAgriculture
Although wood biomass is mostly used to produce solid biofuel pellets, it is important to evaluate the possibilities of using other types of biomass as well.
Rita Petlickaitė   +5 more
doaj   +1 more source

Influence of PODE1 additive into ethanol-gasoline blends (E10) on fuel properties and phase stability. [PDF]

open access: yesHeliyon, 2023
Awad OI   +5 more
europepmc   +1 more source

Liquid Phase Transmission Electron Microscopy: A Window into the Early Stages of Complex Material Formation

open access: yesAdvanced Functional Materials, EarlyView.
Liquid‐phase transmission electron microscopy enables direct observation of nucleation and growth processes in solution. This review is dedicated to the remembrance of Helmut Cölfen and highlights recent studies on complex materials—oxides, biominerals, organic–inorganic crystals—which were central to his research activity. It summarizes key milestones,
Charles Sidhoum   +5 more
wiley   +1 more source

Impact of future fuel properties on aircraft engines and fuel systems [PDF]

open access: yes
This paper describes and discusses the propulsion-system problems that will most likely be encountered if the specifications of hydrocarbon-based jet fuels must undergo significant changes in the future and, correspondingly, the advances in technology ...
Grobman, J. S., Rudey, R. A.
core   +1 more source

Impact of prescribed fire in soil properties after 5-years: experimental study. [PDF]

open access: yes, 2017
Wildfires are a serious problem in areas with a Mediterranean climate owing to the hot summers and drought conditions providing perfect conditions for wildfire, especially when there are large amounts of fuel accumulation and continuity between forested ...
Hueso-Gonzalez, Paloma   +2 more
core  

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