Results 71 to 80 of about 17,689,697 (267)

Letter from Howard C. Lewis to Harold D. Lewis, 10 January [1969?]

open access: yes, 1969
Howard Lewis writes his twin brother, Harold Lewis, about his arrival in Vietnam and his new assignment, describing the location, general happenings, and base life.
Lewis, Howard C., 1943-1987;
core  

Implementation variations of adiabatic steady PPDF flamelet model in turbulent H2/air non-premixed combustion simulation

open access: yesCase Studies in Thermal Engineering, 2015
Implementation of the adiabatic steady PPDF flamelet model involves a lot of variations including different scalar dissipation rate calculation methods and different mass diffusion models of the opposed jet flame.
Qiong Li   +3 more
doaj   +1 more source

Enhanced Mechanical Recycling of Polymer Mixtures by a Trifunctional Dynamic Crosslinker

open access: yesAdvanced Materials, EarlyView.
A self‐catalyzed, trifunctional dynamic crosslinker that incorporates three desired properties into one system and is compatible with reactive extrusion can compatibilize waste plastic mixtures containing high Tm polymers and impart the recycled mixtures with superior thermoset properties such as enhanced creep resistance and thermomechanical stability
Xavier Westworth   +4 more
wiley   +1 more source

Letter from Howard C. Lewis to Harold D. Lewis, 24 May 1969

open access: yes, 1969
Howard Lewis writes to his twin brother, Harold Lewis, from Vietnam on 24 May 1969; he lost five people on a recon in force; he apologizes to his brother that he is the only person he can tell.Howard C.
Lewis, Howard C., 1943-1987;
core  

Electrolyte Engineering Challenges and Opportunities for Next‐Generation Aqueous Ammonium‐Ion Batteries

open access: yesAdvanced Materials, EarlyView.
Aqueous ammonium‐ion batteries (AAIBs) face a hydrogen‐bond paradox: the HB network enables fast NH4+ transport but triggers water decomposition. This review dissects this dilemma, evaluates multiple electrolyte engineering strategies, and outlines four future directions for next‐generation AAIB design ABSTRACT Aqueous ammonium‐ion batteries (AAIBs ...
Zi‐Hang Huang   +6 more
wiley   +1 more source

Letter from Howard C. Lewis to Harold D. Lewis, 17 February 1969

open access: yes, 1969
Howard Lewis writes to his twin brother, Harold Lewis, from Vietnam on 17 February 1969; he describes a visual recon in a helicopter, reflects on the impact of his war experiences, and asks about home.
Lewis, Howard C., 1943-1987;
core  

Computational analysis for bioconvection flow of nanofluid along a bidirectional surface containing gyrotactic microorganisms embedded in a Darcy-Forchheimer porous medium

open access: yesInternational Journal of Thermofluids
Microorganisms are significant in agricultural microbiology because they can generate biosurfactants and surface-active chemicals. Numerous applications, including enhanced oil recovery and ecological bioremediation, depend on these biosurfactants ...
Aamir Hamid   +2 more
doaj   +1 more source

Decoding Synergistic Pathways in Bimetallic MOFs for Advanced Oxidation Processes

open access: yesAdvanced Materials, EarlyView.
This review presents a unified framework linking metal pairing and framework design with electronic structure, redox cycling, oxidant activation, reactive‐species generation, and catalytic performance across photocatalytic and oxidant‐based BMOF‐AOPs. The resulting design principles guide the development of hydrolytically stable and efficient BMOFs for
Karim El‐Naggar   +2 more
wiley   +1 more source

Letter from Howard C. Lewis to Harold D. Lewis, 8 May 1969

open access: yes, 1969
Howard Lewis writes to his twin brother, Harold Lewis, from Vietnam on 8 May 1969; he relates that he has has recently moved to a new base and describes a recent attack and the deaths of two friends.
Lewis, Howard C., 1943-1987;
core  

Spatial‐Compatibility‐Assisted Molecular Intercalation in MXenes

open access: yesAdvanced Materials, EarlyView.
This work demonstrates a solvent–free NH4F–mediated route for simultaneous Al removal and molecular intercalation in MXenes. Intercalants are selected by comparing their crystallographic X, Y, and Z dimensions with the MXene interlayer spacing, establishing a spatial‐compatibility criterion that rationalizes guest–host matching and enables predictive ...
Minhao Sheng   +6 more
wiley   +1 more source

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