Results 11 to 20 of about 7,296 (274)

Radio-Oxidation of Electric Cabled Models: Ageing Evaluation at the Atomic Scale

open access: yesEnergies, 2022
The functionality of electric cables, being the safety components of plants, has to be ensured. In nuclear power plants, when they are in the reactor building, these cables can suffer γ irradiation even in normal operating conditions.
Muriel Ferry, Frederic Miserque
doaj   +1 more source

Polymerization of Ethylene Catalyzed by Vanadium(III) Complexes

open access: yesOrbital: The Electronic Journal of Chemistry, 2017
Thirty five  complexes of 1,2- bis(benzimidazole, benzothiazole and benzoxazole)benzene,  1,2-bis(benzimidazole, benzothiazole and benzoxazole)-4-methyl-benzene, 1,2-bis  (benzimidazole, benzothiazole and benzoxazole)4-bromobenzene, 1, 2-bis ...
Hamdi Ali Elagab
doaj   +3 more sources

2-{2,6-Bis[bis(4-fluorophenyl)methyl]-4-chlorophenylimino} -3-aryliminobutylnickel(II) bromide complexes: Synthesis, characterization, and investigation of their catalytic behavior [PDF]

open access: yes, 2014
The series of 2-{2,6-bis[di(4-fluorophenyl)methyl]-4-chlorophenylimino}-3- aryliminobutane derivatives (L1-L5) and their nickel(II) dibromide complexes (Ni1-Ni5) were synthesized, and all organic compounds were fully characterized by the Fourier ...
Hao, Xiang   +5 more
core   +2 more sources

Synthesis, characterization and ethylene polymerization behaviour of binuclear nickel halides bearing 4,5,9,10-tetra(arylimino)pyrenylidenes [PDF]

open access: yes, 2014
Pyrene-4,5,9,10-tetraone was prepared via the oxidation of pyrene, and reacted with various anilines to afford a series of 4,5,9,10-tetra(arylimino)pyrenylidene derivatives (L1–L4).
Liang, Tongling   +5 more
core   +1 more source

Biphenyl-bridged 6-(1-aryliminoethyl)-2-iminopyridyl-cobalt complexes: synthesis, characterization and ethylene polymerization behavior [PDF]

open access: yes, 2014
A series of biphenyl-bridged 6-(1-aryliminoethyl)-2-iminopyridine derivatives reacted with cobalt dichloride in dichloromethane/ethanol to afford the corresponding binuclear cobalt complexes.
Du, Shizhen   +6 more
core   +2 more sources

Synthesis and characterization of 2-(2-benzhydrylnaphthyliminomethyl)pyridylnickel halides: formation of branched polyethylene [PDF]

open access: yes, 2013
A series of 2-(2-benzhydrylnaphthyliminomethyl)pyridine derivatives (L1–L3) was prepared and used to synthesize the corresponding bis-ligated nickel(II) halide complexes (Ni1–Ni6) in good yield.
Cao, Xiao Ping   +9 more
core   +1 more source

Relaxation and physicomechanical characteristics of polyethylenes with different molecular weights

open access: yesТонкие химические технологии, 2019
Objectives. Determination of the influence of molecular weight on the modulus of elasticity, yield, strength, and retardation processes in polyethylene.Methods.
R. A. Alekhina   +3 more
doaj   +1 more source

6-Arylimino-2-(2-(1-phenylethyl)naphthalen-1-yl)-iminopyridylmetal (Fe and Co) Complexes as Highly Active Precatalysts for Ethylene Polymerization: Influence of Metal and/or Substituents on the Active, Thermostable Performance of Their Complexes and Resultant Polyethylenes

open access: yesMolecules, 2020
A series of 6-arylimino-2-(2-(1-phenylethyl)naphthalen-1-yl)iminopyridines and their iron(II) and cobalt(II) complexes (Fe1–Fe5, Co1–Co5) were synthesized and routinely characterized as were Co3 and Co5 complexes, studied by single crystal X-ray ...
Wenhua Lin   +6 more
doaj   +1 more source

Characterization of ultrafiltration membranes by tracer's retention:Comparison of methods sensitivity and reproducibility [PDF]

open access: yes, 2010
Previous studies have shown that the absolute membrane cut-off and the value quoted by the manufacturers may be very different because of differences in methodologies and testing conditions.
Causserand, Christel   +5 more
core   +2 more sources

Evaluating the exit pressure method for measurements of normal stress difference at high shear rates [PDF]

open access: yes, 2020
A challenge for polymer rheology is the reliable determination of shear dependent first normal stress difference (N-1 values) at high shear rates (>10 s(-1)).
Cardon, Ludwig   +3 more
core   +2 more sources

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