Results 1 to 10 of about 671 (129)

Techno-doping aspekty prawne i etyczne Techno - doping legal and ethical aspects [PDF]

open access: yesJournal of Education, Health and Sport, 2016
Streszczenie Na przestrzeni ostatnich kilku dekad obserwujemy nieustanną walkę o jakość sportu, co bez wątpienia jest wynikiem komercjalizacji i profesjonalizacji sportu i co za tym idzie osłabionej moralnie konstrukcji tej sfery życia ludzkiego.
Renata Kopczyk
doaj   +12 more sources

Techno - doping legal and ethical aspects [PDF]

open access: yesQuality in Sport, 2016
                Continuous fight for sport’s quality has been taking place throughout the last several decades, which is a result of morally weakened construction of sport. One of the most significant battles is taking place on legal field (but not only)
Renata Kopczyk
doaj   +3 more sources

Electrochemical Nitrate Reduction Reaction to Ammonia at Industrial‐Level Current Densities [PDF]

open access: yesAdvanced Science
The electrochemical nitrate reduction reaction (NO3−RR) represents a promising green synthesis technology, enabling both resource utilization of nitrate (NO3−) pollutants in wastewater and provision of a sustainable ammonia (NH3) source for carbon ...
Zhijie Cui   +4 more
doaj   +2 more sources

N, S Co-Doped Carbons Derived from Enteromorpha prolifera by a Molten Salt Approach: Antibiotics Removal Performance and Techno-Economic Analysis

open access: yesNanomaterials, 2022
N, S co-doped bio-carbons with a hierarchical porous structure and high surface area were prepared using a molten salt method and by adopting Entermorpha prolifera (EP) as a precursor. The structure and composition of the bio-carbons could be manipulated
Mengmeng Zhang   +9 more
doaj   +1 more source

Waste bio-tar based N-doped porous carbon for supercapacitors under dual activation: performance, mechanism, and assessment

open access: yesBiochar, 2023
Bio-tar extra-produced from biomass pyrolysis is prone to pose a threat to environment and human health. A novel N-doped porous electrode from bio-tar was produced under dual-activation of urea and KOH in this study.
Jixiu Jia   +10 more
doaj   +1 more source

Advances in reactive co-precipitation technology for preparing high-performance cathodes

open access: yesGreen Carbon, 2023
Reactive crystallization plays an essential role in the synthesis of high-quality precursors with a narrow particle size distribution, dense packing, and high sphericity. These features are beneficial in the fabrication of high-specific-capacity and long-
Zhenzhen Wang   +6 more
doaj   +1 more source

Organic Pollutant Degradation Through Photocatalysis: Progress, Challenges, and Sustainable Solutions (Mini Review)

open access: yesApplied Sciences
The rapid increase in global population and industrial activities has intensified the discharge of toxic organic pollutants—including antibiotics, dyes, phenolic compounds, and pesticides—into the environment, posing critical threats to both ecosystems ...
Gamze Sak   +2 more
doaj   +1 more source

Direct Air Capture Using Pyrolysis and Gasification Chars: Key Findings and Future Research Needs

open access: yesEnergies
Direct Air Capture (DAC) is gaining worldwide attention as a negative emissions strategy critical to meeting climate targets. Among emerging DAC materials, pyrolysis chars (PCs) and gasification chars (GCs) derived from biomass present a promising ...
Wojciech Jerzak   +3 more
doaj   +1 more source

A Review of Recent Advances in Biomass-Derived Porous Carbon Materials for CO2 Capture

open access: yesC
With the intensifying global climate crisis and the urgent demand for carbon neutrality, carbon dioxide (CO2) capture technologies have received growing attention as effective strategies for mitigating greenhouse gas emissions.
Guihe Li, Jun He, Jia Yao
doaj   +1 more source

One‐Step Modulated Hydrothermal Synthesis of Nickel‐Doped HKUST‐1 for Improved Hydrogen Storage Performance

open access: yesSmall Structures
Metal‐organic frameworks (MOFs) have shown exceptional capability of hydrogen storage due to the porous attributes and open metal sites (OMSs) for physical bonding, leading to attempts of hydrogen (H2) sorption for clean energy purposes.
Chuanzhi Ju   +5 more
doaj   +1 more source

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