Results 31 to 40 of about 130,200 (126)

Ether-Group-Mediated Aqueous Proton Selective Transfer across Graphene-Embedded 18-Crown‑6 Ether Pores

open access: yes, 2019
Nanoporous two-dimensional (2D) materials provide a new avenue for the design of zero-crossover proton selective membrane, which is critical for the development of direct methanol fuel cells and many other renewable energy systems.
Ao Xu (2568670)   +2 more
core   +1 more source

Poly(ether)s derived from oxa-Michael polymerization - A comprehensive review [PDF]

open access: yes, 2022
Poly(ether)s represent an important class of polymers and are typically formed by ring-opening polymerization, Williamson ether synthesis or self-condensation of alcohols.
Karin, Ratzenböck   +2 more
core   +1 more source

Ether-Free Polybenzimidazole Bearing Pendant Imidazolium Groups for Alkaline Anion Exchange Membrane Fuel Cells Application

open access: yes, 2019
A series of ether-bond free polybenzimidazole (PBI) bearing pendant imidazolium groups (HIm-PBI and PIm-PBI) are synthesized via a low cost preparation process under mild reaction conditions.
Jianning Ding (1699237)   +17 more
core   +1 more source

Mechanical behavior between titanium alloy and carbon fiber reinforced polyether-ether-ketone

open access: yes, 2023
Comparison of the mechanical behavior between titanium and carbon fiber reinforced polyether-ether-ketone when a critical load of 550 N is applied and when the critical load is discharged.
Miguel Martinez-Mondragon (14817901)
core   +1 more source

Asymmetric Synthesis of Functionalized 9‑Methyldecalins Using a Diphenylprolinol-Silyl-Ether-Mediated Domino Michael/Aldol Reaction

open access: yes, 2021
Substituted 9-methyldecalin derivatives containing an all carbon quaternary chiral center were synthesized with excellent enantioselectivity via an organocatalyst-mediated domino reaction.
Seitaro Koshino (11302961)   +5 more
core   +1 more source

Ethyl ether [PDF]

open access: yes
"Possible health hazards resulting from occupational exposure to ethyl-ether (60297) were reviewed and discussed. Topics included physical properties, chemical properties, industrial uses, occupational exposures, toxicokinetics, acute toxicity, chronic ...

core  

Death certificate: Queen Ether Coleman

open access: yes, 1917
This is a photograph of the death certificate for Queen Ether Coleman, deceased on 1917-05-29, filed with the Arkansas Department of Health by the Ruebel Funeral Home in Little Rock.Transcribed.
Ruebel Funeral Home (Little Rock, Ark.)
core  

Crown-Ether-Functionalized Nickel Salicylaldimine Complexes. Structural Characterization of Their Potassium, Cesium, and Hexylammonium Derivatives and Their Use in the Transport of Amino Acids

open access: yes, 2016
Crown-Ether-Functionalized Nickel Salicylaldimine Complexes. Structural Characterization of Their Potassium, Cesium, and Hexylammonium Derivatives and Their Use in the Transport of Amino ...
D. Coucouvanis (2971878)
core   +2 more sources

Sulfonated poly(tetramethydiphenyl ether ether ketone) membranes for vanadium redox flow battery application

open access: yes, 2011
Sulfonated poly(tetramethydiphenyl ether ether ketone) (SPEEK) with various degree of sulfonation is prepared and first used as ion exchange membrane for vanadium redox flow battery (VRB) application.
Bi, Cheng   +10 more
core   +1 more source

Guest-Driven Control of Folding in a Crown-Ether-Functionalized ortho-Phenylene

open access: yes, 2022
A crown-ether-functionalized o-phenylene tetramer has been synthesized and coassembled with monotopic and ditopic, achiral and chiral secondary ammonium ion guests.
Sumalatha Peddi   +7 more
core   +1 more source

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