نتایج جستجو برای: sacrificial

تعداد نتایج: 2160  

2009
CHUNGUANG XIA Nicholas X. Fang Rohit Bhargava Gustavo Gioia Harley T. Johnson Nicholas Fang

Micro capillary networks widely exist in nature in forms of mass transport pathways, such as blood vessels. However their complicated geometry and the extra fine small features bring a great challenge to their potential applications in term of fabrication. To overcome the fabrication challenge, we presented in this thesis a novel method to fabricate fully three dimensional (3D) microstructures ...

Journal: :Journal of materials chemistry. A, Materials for energy and sustainability 2021

A range of linear conjugated polymers is reported that promote simultaneous photocatalytic CO2 reduction and proton with a sacrificial hole-scavenger.

Journal: :Journal of materials chemistry. A, Materials for energy and sustainability 2021

Conjugated polymers of intrinsic microporosity show excellent performance as photocatalysts for sacrificial hydrogen production from water they combine extended conjugation with high surface areas.

Journal: :Sustainable Energy and Fuels 2023

Biomasses can be used as sacrificial agents. The presence of hemicelluloses and polar groups significantly enhances the H 2 production rate.

Journal: :Sustainable Energy and Fuels 2022

We analyze the photocatalytic activity of heteroatom containing linear conjugated polymers for sacrificial hydrogen evolution using a recently proposed cycle.

Journal: :Canadian Journal of Political Science 2023

Abstract Recent increases in the number of openly LGBTQ2+ candidates have not resulted a corresponding rise politicians elected to Canadian House Commons, reviving hypothesis “sacrificial lamb” candidacies. Drawing upon Lovenduski and Norris’ work on political recruitment, we analyze backgrounds experiences 172 who ran 2015, 2019 2021 federal elections Canada. Our approach is based idea that ca...

Journal: :Chemical Engineering Journal 2023

Pyrolysis-catalytic steam reforming of waste plastics to produce hydrogen-rich syngas has been investigated using tire char as a sacrificial catalyst in two-stage pyrolysis-catalytic reactor system. The simultaneous the pyrolysis volatiles and ‘sacrificial’ gasification increased overall yield hydrogen gas products. Manipulating temperature, input, catalyst:plastic ratio influenced yield. prese...

Journal: :Catalysis Science & Technology 2021

Surface acoustic waves double the photocatalytic activity of platinum-doped titanium dioxide for water splitting with methanol as a sacrificial material.

2001
Francisco Arias Scott R. J. Oliver Bing Xu R. Erik Holmlin

This paper demonstrates the use of poly(dimethylsiloxane) (PDMS), polyurethane (PU), epoxy, and poly(methyl methacrylate) (PMMA) as mandrils to fabricate metallic heat exchangers having 300–700 m internal channels. The mandrils were prepared using two soft lithographic techniques-replica molding, and microembossing. To fabricate the heat exchangers, the polymeric mandrils were coated with a thi...

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