Results 81 to 90 of about 66,485 (249)

Transition From Lattice Oxygen to Radical‐Mediated Oxidation in Ammonium‐Intercalated Birnessite Catalysts for Selective Valorization of Biomass to Produce Formic Acid

open access: yesAdvanced Functional Materials, EarlyView.
The catalytic valorization of biomass represents an essential approach for achieving sustainable chemical production, with formic acid (FA) being recognized as a valuable platform chemical for hydrogen storage and environmentally friendly synthetic applications.
Yiqi Geng   +6 more
wiley   +1 more source

Diammine(2,2′-bipyridine)bis(thiocyanato-κN)cobalt(III) diamminetetrakis(thiocyanato-κN)chromate(III) acetonitrile disolvate

open access: yesActa Crystallographica Section E, 2011
The new heterometallic title complex, [Co(NCS)2(C10H8N2)(NH3)2][Cr(NCS)4(NH3)2]·2CH3CN, has been prepared using the open-air reaction of cobalt powder, Reineckes salt and 2,2′-bipyridine (dpy) in acetonitrile.
Valentyna V. Semenaka   +4 more
doaj   +1 more source

Comparación de las cinéticas de liberación de N-NH3 in vitro y de la degradación ruminal del N de la urea protegida, urea y subproductos agroindustriales

open access: yesAgrociencia, 2009
Se compararon cinéticas de liberación de N-NH3 y degradación ruminal del N, de urea cubierta por polímeros biodegradables (urea protegida), urea, harina de girasol, harina de soja, gluten meal y farelo de cervecería deshidratado. La liberación de N-NH3 se estudió in vitro, incubando (fluido ruminal+solución nutritiva) muestras durante 0, 0,5, 1, 2, 4 ...
Marichal, M. de J.   +4 more
openaire   +2 more sources

Mechanistic Insights into a Synergistic FeOx/Fe‐N4 System for Practical Nitrate Abatement with Value‐Added Ammonia Recovery

open access: yesAdvanced Functional Materials, EarlyView.
This work provides a novel interpretation of the nitrate reduction mechanism on iron oxides (FeOx) by employing constant‐potential density functional calculations and reports the design and synthesis of a robust and high‐performance Fe3O4/Fe‐N4‐C catalyst with remarkable Faradaic efficiency, current density, and stability under practical reaction ...
Qiang Zhou   +8 more
wiley   +1 more source

Bioinspired Polypeptide Dendrimer‐Modified Thin‐Film Composite Membranes for Selective Lithium‐Magnesium Separation with DFT Insights

open access: yesAdvanced Functional Materials, EarlyView.
We fabricated a biomimetic dendrimer‐modified thin‐film nanocomposite membrane with a coordination‐assisted ion‐selective interface. pH‐responsive polypeptide sites preferentially bind Mg2+ and promote Li+ permeation, as predicted by density functional theory calculations of metal‐ligand interactions.
Mehrasa Yassari   +7 more
wiley   +1 more source

Isotope Ratio Mass Spectrometry Monitoring of Nitrogen Volatilization from Beef Cattle Feces and 15N-Labeled Synthetic Urine

open access: yesAtmosphere, 2015
A 15-day bench-scale manure storage experiment with a slurry mixture comprising beef cattle feces and synthetic urine with 15N-labeled urea was conducted to evaluate the source of volatilized ammonia nitrogen (NH3-N). Beef cattle feces was mixed daily in
Ferouz Y. Ayadi   +3 more
doaj   +1 more source

Bio‐Inspired Magnetically Tunable Structural Colors from Elliptical Self‐Assembled Block Copolymer Microparticles

open access: yesAdvanced Functional Materials, EarlyView.
Cephalopod‐inspired photonic microparticles with dynamic structural coloration are fabricated via confined self‐assembly of linear block copolymers into ellipsoids containing stacked lamellae. Embedded superparamagnetic nanoparticles enable rapid magnetic alignment, restoring vivid, angle‐dependent color.
Gianluca Mazzotta   +8 more
wiley   +1 more source

Investigating the effects of animal-specific δ15N-NH3 values volatilized from livestock waste on regional NH3 source partitioning

open access: yesAtmospheric Environment: X
The natural 15N abundance of ammonia (δ15N-NH3) emitted from livestock waste within a specific area (δ15N-NH3-LW) can be used to estimate its contribution to atmospheric NH3 through an isotope mixing model. However, the limited availability of reports on
Dong Liu   +12 more
doaj   +1 more source

Carbon Contacts to Proteins Enable Robust, Biocompatible Electronic Junctions with Near‐Activation‐less Conduction Down to 10 K

open access: yesAdvanced Functional Materials, EarlyView.
A robust solid‐state protein junction with a semi‐transparent eC/Au electrode allows photoexcitation of the bacterio‐rhodopsin, bR layer, to isomerize the bR retinal. The resulting photo‐response shows the protein is functional in the solid‐state junction.
Shailendra K. Saxena   +5 more
wiley   +1 more source

Uji In Vitro Kecernaan Bahan Kering, BahanOrganik dan Produksi N-NH3 pada Kulit Buah Durian (Durio zibethinus) yang Difermentasi Jamur Tiram Putih (Pleurotus ostreatus) dengan Perbedaan Waktu Inkubasi

open access: yesJurnal Sain Peternakan Indonesia, 2016
Penelitian ini bertujuan untuk mengevaluasi kecernaan Bahan Kering (KCBK), Bahan Organik (KCBO) dan Produksi N-NH3 pada Kulit Buah Durian yang Difermentasi dengan Jamur Tiram Putih (Pleurotus ostreatus) secara in vitro. Penelitian ini dilaksanakan dalam dua tahap.
Rudi Hartono   +2 more
openaire   +2 more sources

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