Results 31 to 40 of about 2,237,289 (305)

Synthesis of Branch Fluorinated Cationic Surfactant and Surface Properties

open access: yesJournal of Chemistry, 2014
A novel fluorinated quaternary ammonium salt cationic surfactant N,N,N-trimethyl-2-[[4-[[3,4,4,4-tetrafluoro-2-[1,2,2,2-tetrafluoro-1-(trifluoromethyl)ethyl]-1,3-bis(tri-fluoromethyl)-1-buten-1-yl]oxy]-benzoyl]amino]-iodide (FQAS) was synthesized ...
Hongke Wu   +3 more
doaj   +1 more source

STRUCTURE OF METHYLPHEOPHORBIDE-RCI [PDF]

open access: yes, 1986
he methanolic extract of the cyanobacterium (blue-green alga) Spirulina geitleri has been treated with methanolic acid to convert all chlorophyllous pigments to their methylpheophorbides.
Budzikiewicz H.   +27 more
core   +1 more source

Preparation of Silica Aerogel and Its Adsorption Performance to Organic Molecule

open access: yesAdvances in Materials Science and Engineering, 2014
Hydrophobic and lipophilic silica aerogel was prepared from water-glass by gelling, aging, silylation, and drying under atmospheric pressure and characterized by FT-IR and SEM.
Hong-xin Shi   +3 more
doaj   +1 more source

Bismuth-Based Free-Standing Electrodes for Ambient-Condition Ammonia Production in Neutral Media

open access: yesNano-Micro Letters, 2020
Electrocatalytic nitrogen reduction reaction is a carbon-free and energy-saving strategy for efficient synthesis of ammonia under ambient conditions. Here, we report the synthesis of nanosized Bi2O3 particles grown on functionalized exfoliated graphene ...
Ying Sun   +9 more
doaj   +1 more source

Study on Method and Mechanism of Noble Metals Photoelectric Deposition by Directly Utilizing Solar Energy

open access: yesAdvanced Energy & Sustainability Research, 2023
The recovery of noble metals is crucial in terms of resource utilization and ecological environment. Herein, a green strategy for the recovery of three noble metals, Au, Ag, and Pt, by photoelectric deposition at the cathode without external voltage is ...
Yuewen Li   +8 more
doaj   +1 more source

The Storm-Gods of the Ancient Near East: Summary, Synthesis, Recent Studies. Part II [PDF]

open access: yes, 2007
In many regions of the ancient Near East, not least in Upper Mesopotamia, Syria and Anatolia where agriculture relied mainly on rainfall, storm-gods ranked among the most prominent gods in the local panthea or were even regarded as divine kings, ruling ...
Schwemer, Daniel
core   +3 more sources

Electrochemical Performance of VO2+/VO2+Redox Couple in the H2SO4-CH3SO3H Solutions

open access: yesInternational Journal of Electrochemical Science, 2016
The mixed acids with different ratio of H2SO4 to CH3SO3H were prepared, and their application in the vanadium redox flow battery (VRFB) as supporting electrolytes had been examined.
Youqun Chu   +4 more
doaj   +1 more source

Rapid iododeboronation with and without gold catalysis: application to radiolabelling of arenes [PDF]

open access: yes, 2017
Radiopharmaceuticals incorporating radioactive iodine in combination with SPECT imaging play a key role in nuclear medicine, with applications in drug development and disease diagnosis.
Fletcher, Conor   +5 more
core   +2 more sources

Chemical Transformation Induced Core–Shell Ni2P@Fe2P Heterostructures toward Efficient Electrocatalytic Oxygen Evolution

open access: yesNanomaterials, 2022
The oxygen evolution reaction (OER) is a crucial reaction in water splitting, metal–air batteries, and other electrochemical conversion technologies. Rationally designed catalysts with rich active sites and high intrinsic activity have been considered as
Huijun Song   +9 more
doaj   +1 more source

A Green Chemical Approach for the Synthesis of Gold Nanoparticles: Characterization and Mechanistic Aspect [PDF]

open access: yes, 2009
This IRCSET-EMPOWER (Irish Research Council for Science, Engineering and Technology Postdoctoral Research Grant) project aims to improve current methodology for the synthesis of metal nanoparticles (NPs).
Das, Sujoy K., Marsili, Enrico
core   +1 more source

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