Results 111 to 120 of about 428,476 (304)

Ammonia Content in Natural Taranakite: An Experimental Study of Thermal Stability

open access: yesCrystals
Taranakite is a mineral consisting of a hydrated layered aluminum phosphate, with the formula K3Al5(PO3OH)6(PO4)2·18H2O; its structure belongs to the R-3C group.
Michael Casale   +3 more
doaj   +1 more source

An Experimental Study of the Vertical Eddy Diffusivity and Dry Deposition of Ammonia on a Natural Grassy Surface

open access: yes, 2003
Until recently ammonia has been relatively ignored as a primary pollutant in the United States. Due to the rapid growth of animal (hog) farms, eastern North Carolina experiences higher levels of ambient ammonia and ammonium concentrations.
Peterson, Barry Todd
core  

Integrating Machine Learning With Constant‐Potential Simulation to Unravel Charge‐Transfer Mechanisms in Electrochemical Nitrogen Fixation

open access: yesAdvanced Science, EarlyView.
Integrating interpretable machine learning with the fixed‐potential method reveals a novel mechanism: the catalytic activity of the electrochemical nitrogen reduction reaction is governed by partial charge transfer, induced by variations in the intermediate potential of zero charge under constant potential.
Yufei Xue   +6 more
wiley   +1 more source

Heat Transfer and Pressure Drop Characteristics of R717 Flow Boiling inside a Horizontal Small Diameter Plain Tube

open access: yesZhileng xuebao, 2018
Ammonia has drawbacks associated with combustibility and toxicity, and therefore, reducing the charge in ammonia refrigeration systems is of great importance.
Gao Yuping   +3 more
doaj  

The decrease in technogenic load on the environment during the process of absorption of ammonia in soda industry [PDF]

open access: yesЖурнал інженерних наук, 2016
The article studies the effectiveness of implementation of existing equipment of soda production absorbers for ammonia cleaning from gas emissions. It identifies the major sources of ammonia emissions in the soda ash production and the limitations of the
V. F. Moiseev   +2 more
doaj  

Energy Saving and Safety Technology of Ammonia Refrigeration System

open access: yesZhileng xuebao, 2022
Ammonia is an environment-friendly natural refrigerant and has been used in industrial refrigeration for more than a century. This paper discusses the energy-saving and safety technologies of the ammonia refrigeration system and presents an analysis of ...
Li Kun   +5 more
doaj  

Making Sweat Measurable: Induction, Sampling, and Refreshment in Wearable Biofluid Sensing

open access: yesAdvanced Science, EarlyView.
Wearable sweat sensing relies not only on chemical detection but also on controlled biofluid management. This Review integrates sweat physiology, induction strategies, and microfluidic sampling architectures, demonstrating how flux, transport, and refreshment shape measurement reliability.
Soyoung Shin, Wei Gao
wiley   +1 more source

Evaluating Coal, RDF, and Ammonia Blends in Power Plants: Techno-Economic Insights and Coal Phase-Out Implications

open access: yesEnergies
This comprehensive techno-economic analysis focuses on a proposed power plant that uses cleaner alternatives to traditional combustion methods. The study meticulously examines ternary blends of ammonia, refuse-derived fuels (RDFs), and coal. Utilizing an
Antonio Chavando   +3 more
doaj   +1 more source

Recent Advances in Carbon Cathode Materials toward High‐Performing Zinc‐Ion Hybrid Supercapacitors

open access: yesAdvanced Science, EarlyView.
Aqueous zinc‐ion hybrid supercapacitors (ZHSCs) have emerged as promising next‐generation electrochemical energy‐storage devices. Porous carbon materials have been extensively studied as cathodes, with advances in tailoring pore structures and material properties to enhance performance.
Take Hirooka   +3 more
wiley   +1 more source

Beyond Fertilizers: NH4ZnPO4 for the Reversible Chemical Storage of Ammonia

open access: yesAdvanced Materials Interfaces
Enhancing NH3 as a carbon‐free energy carrier of H2 and next‐generation fuel is a promising approach for a sustainable society. Chemically storing NH3 molecules in crystal structures offers better selectivity and reusability than storage in traditional ...
Takahiro Kozawa   +6 more
doaj   +1 more source

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