Results 11 to 20 of about 175,923,861 (334)

THE DEGREE OF POLYMERIZATION OF POWER TRANSFORMERS’ PAPER INSULATION [PDF]

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2019
The paper presents the results of research and analysis of literature data on the paper insulation's thermal aging. An exponential decrease in the degree of polymerization of paper insulation from the aging time is established, at the starting time of ...
V. K. Kozlov, A. Kh. Sabitov
doaj   +2 more sources

Exploitation of Compartmentalization in RAFT Miniemulsion Polymerization to Increase the Degree of Livingness [PDF]

open access: yesJournal of Polymer Science Part A: Polymer Chemistry, 2019
It is demonstrated that the degree of livingness (chain‐end fidelity) in RAFT polymerization for a given degree of polymerization can be markedly increased in miniemulsion polymerization relative to the corresponding homogeneous bulk system ...
Murtaza Khan   +5 more
semanticscholar   +2 more sources

Comparison of Curing Efficacy of Halogen and LED Polymerization Lamps Using Composite Materials of Different Polymerization Mechanism

open access: yesČeská Stomatologie a Praktické Zubní Lékařství, 2009
The objective was to compare efficacy of several types of halogen and LED polymerization lamps in curing restorative composite materials. Halogen lamps Heliolux DLX1 (Ivoclar Vivadent) and Megalux Fast Cure (MegaPhysik) and LED lamps DioPower (CMS Dental)
P. Bradna   +3 more
doaj   +1 more source

A comparison of dentin bond strength and degree of polymerization of bulk-fill and methacrylate-based flowable composites. [PDF]

open access: yesJ Conserv Dent, 2018
Objective: This study aimed to evaluate the dentin bond strength and degree of polymerization of bulk-fill and methacrylate-based flowable composites.
Karatas O, Bayindir YZ.
europepmc   +2 more sources

The in vitro Effect of Fibers With Different Degrees of Polymerization on Human Gut Bacteria

open access: yesFrontiers in Microbiology, 2020
Human gut bacteria contribute significantly to human health and several studies have evaluated the effects of dietary fibers on human gut bacterial ecology.
Miao Chen   +7 more
doaj   +1 more source

Effects of post-veraison irrigation on the phenolic composition of Vitis vinifera L. cv. ‘Xinomavro’ grapes

open access: yesOENO One, 2021
‘Xinomavro’ (the second planted red Greek variety behind ‘Agiorgitiko’) generally produces wines that are light in colour but with increased astringency, possibly related to grape flavonoid amount and composition; although irrigation is accepted as an ...
Seraphim Theocharis   +6 more
doaj   +1 more source

Critical Role of Degree of Polymerization of Cellulose in Super-Strong Nanocellulose Films

open access: yes, 2020
Summary Translation of the outstanding mechanical performance of individual nanocellulose to macroscopic nanocellulose films can be achieved by various alignment techniques.
Zhi-Qiang Fang   +7 more
semanticscholar   +1 more source

Polyvinyl alcohol films with different degrees of hydrolysis and polymerization

open access: yesSemina: Ciências Exatas e Tecnológicas, 2019
The objective of this work was to manufacture biodegradable films based on polyvinyl alcohol (PVA) and also to evaluate the effect of the different degrees of hydrolysis (DH) and degrees of polymerization (DP) of PVA on the properties of these films ...
Suzana Mali   +3 more
doaj   +1 more source

Effect of ceramic type, thickness, and time of irradiation on degree of polymerization of dual - cure resin cement. [PDF]

open access: yesJ Conserv Dent, 2016
Aim : The aim of the study is to evaluate the effect of ceramic type, thickness, and time of irradiation on degree of polymerization of dual-cure resin cement.
Bansal R, Taneja S, Kumari M.
europepmc   +2 more sources

Visualizing Chain Growth of Polytelluoxane via Polymerization Induced Emission

open access: yesAdvanced Science, 2023
Visualizing polymer chain growth is always a hot topic for tailoring structure‐function properties in polymer chemistry. However, current characterization methods are limited in their ability to differentiate the degree of polymerization in real‐time ...
Chengfei Liu   +5 more
doaj   +1 more source

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