Results 211 to 220 of about 266,020 (304)

Effect of bromoform-based feed additive on methane emissions and performance of Nellore cattle in feedlot backgrounding and finishing phases. [PDF]

open access: yesTransl Anim Sci
Silva MM   +11 more
europepmc   +1 more source

Cycloazulenylene

open access: yesAngewandte Chemie International Edition, EarlyView.
A strained macrocycle consisting solely of azulene subunits, named [6]cycloparaazulenylene ([6]CPA), is presented. The macrocycle exhibits a notably narrow HOMO–LUMO gap for a pristine azulene species, strain‐induced red‐shifted absorption, and an unusual tubular packing motif elucidated via single‐crystal XRD.
Clara Douglas   +8 more
wiley   +1 more source

Enteric Methane Emissions from Holstein Cows Grazing Kikuyu Grass in the Colombian High Tropics During Two Seasons. [PDF]

open access: yesAnimals (Basel)
Jaimes Cruz LJ   +8 more
europepmc   +1 more source

A Carbon‐Induced Surface Reconstruction on an Operating Fischer–Tropsch Catalyst

open access: yesAngewandte Chemie International Edition, EarlyView.
It is widely believed that a cobalt Fischer–Tropsch catalyst initially undergoes an activity‐enhancing roughening, driven by the high chemical potential of carbon. In this operando STM and DFT study, we simulate such conditions. We show that, instead, a triangular stacking‐fault reconstruction may form, leaving the catalytic activity unchanged ...
Sebastian Kläger   +3 more
wiley   +1 more source

Reactive Trapping of Dilute Methane Emissions by Surface Oxygen Intermediates on Copper Zeolites for Total Oxidation to CO<sub>2</sub>. [PDF]

open access: yesACS Catal
Ma J   +8 more
europepmc   +1 more source

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