Results 71 to 80 of about 68,582 (266)

Metagenomic and cultivation-based description of a syntrophic butyrate-oxidizing bacterium from a thermophilic and high-ammonia biogas process

BMC Microbiology
Background Ammonia inhibition in anaerobic digestion can lead to butyrate accumulation and reduced methane yield. Despite the importance of syntrophic butyrate oxidation in mitigating this effect, the microorganisms and interactions involved under high ...
Malin Tiefensee, Nils Weng, Jonas A. Ohlsson, Maria Westerholm   +3 more
doaj   +1 more source

Comparison of Partial and Complete Nitrification in SBR System for Use in Side Stream Processes [PDF]

آب و فاضلاب, 2012
Use of low-cost biological methods for ammonia removal as partial nitrification has been attracted by many environmental engineering researchers in recent years.In this study the removal of ammonia in high concentration sewage based on both complete and ...
Ali Dehnoei, Hossein Ganjidoust, Bita Ayati, Giti Emtiazi   +3 more
doaj  

Ti3C2Tx MXene/Silver Composite Foams For Lightweight, High‐Performance Electromagnetic Interference Shielding and Joule Heating

Advanced Materials Interfaces, EarlyView.
Ultrathin MXene/EMF composite foams achieve a specific shielding efficiency of 749.6 dB.dB·cm3$\mathrm{dB}\cdot {\mathrm{cm}}^{3}$/g, while the silver‐enhanced MXene/Ag/EMF reaches 81.4 dB shielding effectiveness at just 1.0 mm thickness. Both composites exhibit rapid Joule heating, retain stability up to 250∘C$^\circ{\rm C}$, and withstand 1000 ...
Abdullah A. Mahmood, Mingxuan Li, Vahid Rad, Mehdi Zarei, Chen‐Yu Yeh, Masoud Soroush, Guangyong Li, Paul W. Leu   +7 more
wiley   +1 more source

Chemistry of Ammonia/Hydrogen and Ammonia/n-Heptane Fuels: Reaction Mechanism Updating and Chemical Kinetic Analysis

Energies
For spark ignition and compression ignition ammonia engines, a typical approach to ensure stable operation involves the blending of ammonia with hydrogen and diesel, respectively.
Qihang Chen, Lin Lyu, Yongzhong Huang, He Yang, Junjie Liang, Neng Zhu   +5 more
doaj   +1 more source

Recent Developments in Energy Storage and Conversion Applications of Multifunctional Vanadium Carbides

Advanced Materials Technologies, EarlyView.
This review systematically explains the synthesis, properties, and energy storage and conversion applications of vanadium carbides. We introduce the structural and the synthetic strategies and reviewed recent developments in the material synthesis processes. The emerging applications of vanadium carbides in energy storage and conversion are highlighted.
Swathy B. Saseendran, Sang Mun Jeong, Chandra Sekhar Rout   +2 more
wiley   +1 more source

Upcycling Compact Discs Into Ultra‐Stable, Flexible, and Stretchable Nanoporous Gold Electrodes for Enhanced Biosensing Performance

Advanced Materials Technologies, EarlyView.
This article highlights the development of robust and high‐performance flexible and stretchable biosensors that maintain long‐term functionality and optimal electrical conductivity under mechanical deformation, utilizing sustainable and cost‐effective manufacturing principles.
Mousa H. Aldosari, Ahyeon Koh
wiley   +1 more source

The Evolution of Aerosol Jet Printing, A Review: Enhancing Material Versatility and Improvements for Next‐Generation Applications

Advanced Materials Technologies, EarlyView.
Aerosol Jet Printing (AJP) has emerged as a versatile additive manufacturing technique for high‐resolution, conformal, and multi‐material printing. This review highlights advances in printable materials, substrate compatibility, post‐processing, characterization, and process innovations, while critically discussing current challenges and future ...
Chandrachur Chatterjee, Rocco Lupoi, Michael J. Gibbons   +2 more
wiley   +1 more source

Procedure of Destructive Chemical Recovery of Precious Metals in Nitric Acid Production [PDF]

Kemija u Industriji, 2012
The heart of the nitric acid production process is the chemical reactor containing a platinum-based catalyst pack and an associated catchment system, which allows the ammonia oxidation reaction to take place efficiently.
Ljubičić, M., Zečević, N.
doaj  

Extrusion Bioprinting for Wound Healing: Innovations in Functionalized Bioinks and Bioprinting Technology

Advanced Materials Technologies, EarlyView.
Extrusion‐based bioprinting (EBB) has emerged as a versatile biofabrication platform capable of precisely depositing bioinks composed of biomaterials, cells, and bioactive agents to generate patient‐specific, biomimetic skin constructs. This paper presents a state‐of‐the‐art and forward‐looking overview of EBB for wound healing, encompassing printing ...
Hien‐Phuong Le, Anh Tuan Trong Tran, Ammara Waheed, Tran Thanh Tung, Dusan Losic   +4 more
wiley   +1 more source

Ammonia Electrooxidation to Nitrite and Nitrate: Challenges and Insights

ChemElectroChem
Ammonia is emerging as a promising hydrogen carrier. The electrochemical ammonia oxidation reaction (AmOR) offers a pathway to value‐added nitrite (NO2−) and nitrate (NO3−) and may serve as an alternative to the oxygen evolution reaction in electrolyzer ...
Ieva A. Cechanaviciute, Ann Cathrin Brix, Beyzanur Ciplak, Saika Pokharel, Alan Savan, Alfred Ludwig, Wolfgang Schuhmann   +6 more
doaj   +1 more source