Results 51 to 60 of about 19,562 (251)

Hydrometallurgical process development to recycle valuable metals from spent SCR deNOX catalyst

open access: yesScientific Reports, 2021
Spent catalyst, containing vanadium and tungsten oxide in a TiO2 glass fiber matrix, pose a risk of environmental contamination due to the high toxicity of its metal oxides if leached into the soil when disposed in landfills. Due to the increasing demand
Jong Hyuk Jeon   +3 more
doaj   +1 more source

Conventional and recent advances in gravity separation technologies for coal cleaning: A systematic and critical review

open access: yesHeliyon, 2023
“Affordable and clean energy” is enshrined in the UN Sustainable Development Goals (SDGs; #7) because of its importance in supporting the sustainable development of society.
Theerayut Phengsaart   +12 more
doaj   +1 more source

High‐Throughput Exfoliation of Optoelectronic‐Grade MoS2 via Turbulent‐Flow Wet Jet Milling

open access: yesAdvanced Functional Materials, EarlyView.
A scalable wet jet milling exfoliation method is demonstrated for producing optoelectronic‐grade MoS2 nanosheets using environmentally friendly ethyl cellulose in ethanol dispersion media. Guided by fluid dynamics modeling, this approach is optimized to achieve record‐high exfoliation throughput and concentration.
Maryam Khalaj   +7 more
wiley   +1 more source

Regional Cooperation for Nuclear Spent Fuel Management in East Asia: Costs, Benefits and Challenges – Part I

open access: yesJournal for Peace and Nuclear Disarmament, 2018
East Asia is home to some of the most dynamic economies on earth, but also a locus of current and historical national and international conflicts. Some of the largest economies lack domestic energy resources, and nuclear power has been adopted as a ...
David F. Von Hippel, Peter Hayes
doaj   +1 more source

Non-equilibrium radiation nuclear reactor [PDF]

open access: yes, 1978
An externally moderated thermal nuclear reactor is disclosed which is designed to provide output power in the form of electromagnetic radiation.
Schneider, R. T., Thom, K.
core   +1 more source

Cyclic Olefin Copolymers as Versatile Materials for Advanced Engineering Applications

open access: yesAdvanced Functional Materials, EarlyView.
Cyclic olefin copolymers (COCs) are presented as highly versatile materials combining tunable synthesis, excellent optical properties, and mechanical robustness. Their potential spans microfluidics, bioengineering, and advanced electronics, while emerging self‐healing and sustainable solutions highlight future opportunities.
Giulia Fredi   +3 more
wiley   +1 more source

Review of standards for biodegradable plastic bags. [PDF]

open access: yes, 2015
The Single Use Carrier Bags Charges (England) Order 2015 requires retailers to charge at least 5p for each single use carrier bag, except where exempted. Under section 18 of that order, the Secretary of State must— (a) complete a review of industry
Boardman, Carl   +6 more
core  

Ammonium Salts as Curing Agents to Obtain Ionic Epoxy Resins With a Thermoplastic‐to‐Thermoset Transition

open access: yesAdvanced Materials, EarlyView.
Ionic epoxy networks are prepared using ammonium salts as hardeners, leading to a two‐stage curing process with a thermoplastic‐like intermediate. This uncommon behavior enables extrusion and fabrication of thermoplastic prepregs that can be cured into thermoset composites.
Izabela Kurowska   +10 more
wiley   +1 more source

Does vertical asymmetric price transmission exist in the rice markets?

open access: yesAgricultural and Resource Economics, 2023
Purpose. This study aims to empirically measure and analyze the long-run relationship and asymmetric price transmission of the rice market in Aceh Province, Indonesia.
Agustina Arida   +3 more
doaj   +1 more source

Magnetic Textiles: A Review of Materials, Fabrication, Properties, and Applications

open access: yesAdvanced Materials Technologies, EarlyView.
Magnetic textiles (M‐textiles) are emerging as a programmable materials platform that merges magnetic matter with hierarchical textile structures. This article consolidates magnetic material classes, textile architectures, and fabrication and magnetization strategies, revealing structure–property–function relationships that govern magneto‐mechanical ...
Li Ke   +3 more
wiley   +1 more source

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