Results 121 to 130 of about 169,226 (376)

Occurrence of gastric cancer and carcinoids in atrophic gastritis during prospective long-term follow up [PDF]

open access: yes, 2015
Objective. Atrophic gastritis (AG) is a risk condition for gastric cancer and type I gastric carcinoids. Recent studies assessing the overall risk of gastric cancer and carcinoids in AG at long-term follow up are lacking.
Annibale, Bruno   +6 more
core   +2 more sources

Ni Single‐Atom Modulation of Ti‐O Covalency Boosts Ammonia Oxidation Electrocatalysis

open access: yesAdvanced Science, EarlyView.
A Ni single‐atom‐induced enhancement of Ti‐O covalency in Ni SAC@TiO2 generates abundant active sites and promotes selective NHx‐NHy mediated N2 evolution while suppressing poisonous NOx formation, achieving nearly doubled AOR activity with excellent durability.
Subhash Chandra Shit   +7 more
wiley   +1 more source

Synergetic Relay Between Atomic Hydrogen and Chlorine Radicals Enables Efficient Nitrate‐to‐Nitrogen Gas Conversion

open access: yesAdvanced Science, EarlyView.
Using photoelectrochemical (PEC) deep denitrification technology, a novel synergistic reduction‐oxidation process enables efficient conversion of nitrate (NO3−) to nitrogen (N2), while suppressing key intermediate ammonium (NH4+) and toxic nitrite (NO2−) accumulation.
Yongjie Wang   +11 more
wiley   +1 more source

Nitrates in surface waters, inputs and seasonality: Progress report for the period April - December 1987 [PDF]

open access: yes, 1988
The objective of this short project progress report is to investigate, in a catchment on which earlier nitrate data are available for comparison, seasonality and budgets, in relation to land use, of nitrate inputs, concentrations and loads.
Casey, H.
core  

Atomic Precision CoCu Heterodimers with Pseudo‐D3h Symmetry Enable Tandem Nitrate Reduction

open access: yesAdvanced Science, EarlyView.
The Co─Cu heterodimer anchored on nitrogen‐doped graphene oxide substrate facilitates electrochemical nitrate reduction in alkaline medium. Co site promotes water dissociation to supply a proton, while Cu sites enhance nitrate adsorption and activation.
Akash Prabhu Sundar Rajan   +5 more
wiley   +1 more source

Nitrite [PDF]

open access: yes, 2020
R. Bruce Tompkin   +4 more
openaire   +2 more sources

ASSESSMENT OF MAIN MINERAL WATER ROMANIAN MARKS FROM THE PERSPECTIVE OF SOME TOXICOLOGICAL PARAMETERS [PDF]

open access: yesScientific Papers Series : Management, Economic Engineering in Agriculture and Rural Development, 2015
The paper aimed to analyze 15 Romanian brands of mineral waters and in this purpose therey were bought from a hypermarket. The content of nitrates, nitrites and pH have been determined for each of the 15 mineral waters using the modern known techniques ...
Radiana TAMBA - BEREHOIU   +1 more
doaj  

Synergistic Intra‐ and Inter‐Nanozyme Electron Transfer through Interfacial Assembly for Enhanced Multi‐Enzyme Activity

open access: yesAdvanced Science, EarlyView.
A novel Prussian blue‐based composite nanoenzymes (PB C‐NZs)‐MoS2/PB, was designed based on the electron transfer mechanism and transport pathway. The structure uses MoS2 as the substrate, with PB grown on its surface through a surface assembly method.
Kun Lu   +7 more
wiley   +1 more source

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