Results 11 to 20 of about 355,681 (311)

Study of suspension grafting process of polypropylene

open access: yesDesigned Monomers and Polymers, 2018
Grafting efficiency is an important indicator of polypropylene grafting reaction. A series of studies have been accomplished, including the conditions of free radical presence on PP backbone during peroxide initiation, the effect of preheat treatment and
Fengchun Liang   +3 more
doaj   +1 more source

Homomolecular and Isotopic Exchange Reactions by Catalyst

open access: yesJournal of Isotopes, 2016
It is widely used in the light-isotopes enrichment by distillation, such as H2, O2, N2, CO, etc. It can not get high abundance of isotopes in the late stage of enrichment for these two-atom include two isotopes, and it needs to add a reaction conversion ...
LONG Lei, LI Hu-lin, ZHOU Jian-yue
doaj   +1 more source

Ethylene Copolymerization with Linear and End-Cyclized Olefins via a Metallocene Catalyst: Polymerization Behavior and Thermal Properties of Copolymers

open access: yesEngineering, 2023
Olefin solution polymerization can be used to obtain high-performance polyolefin materials that cannot be obtained via other polymerization processes. Polyolefin elastomers (POE) are a typical example.
Changjiang Wu   +7 more
doaj   +1 more source

High-Performance Cathode Material of FeF3·0.33H2O Modified with Carbon Nanotubes and Graphene for Lithium-Ion Batteries

open access: yesNanoscale Research Letters, 2019
The FeF3·0.33H2O cathode material can exhibit a high capacity and high energy density through transfer of multiple electrons in the conversion reaction and has attracted great attention from researchers.
Lu Lu   +8 more
doaj   +1 more source

Determination of SADT and TMRad of 3-bromo-1-(3,5-dichloropyridin-2-yl)-4,5-dihydro-1H-pyrazole-5-carboxylic acid: Applying thermal decomposition kinetics

open access: yesResults in Chemistry, 2021
The aim of this study was the evaluation of the safety parameters: Time to Maximum Rate under adiabatic conditions (TMRad) and self-accelerating decomposition temperature (SADT) for 3-bromo-1-(3,5-dichloropyridin-2-yl)-4,5-dihydro-1H-pyrazole −5 ...
Yun-Bo Cong   +6 more
doaj   +1 more source

A Coagulation Method for Preparation of Pellet Particles from Polymer Latex [Translated]†

open access: yesKONA Powder and Particle Journal, 2014
A new coagulation method which consists of two stages the generation of seed particles and growth of particles, was developed for the preparation of pellet-like particles from polymer latex.
Hideo Yasui   +3 more
doaj   +1 more source

Experimental infection of indigenous North African goats with goatpox virus

open access: yesActa Veterinaria Scandinavica, 2021
Background Goatpox is a viral disease caused by infection with goatpox virus (GTPV) of the genus Capripoxvirus, Poxviridae family. Capripoxviruses cause serious disease to livestock and contribute to huge economic losses. Goatpox and sheeppox are endemic
Jihane Hamdi   +7 more
doaj   +1 more source

Research on Population Trends and Optimal Allocation of Urban and Rural Public Resources in Luzhou City Based on Multi source Remote Sensing Data [PDF]

open access: yesSHS Web of Conferences
Population is an important basis for land and resource planning, and optimising the allocation of urban and rural public resources is conducive to the development of the regional economy and the protection of the regional ecological environment. Existing
Bing Xiao   +6 more
doaj   +1 more source

Isolation, Characterization, Antioxidant Activity, Metal-Chelating Activity, and Protein-Precipitating Capacity of Condensed Tannins from Plum (Prunus salicina) Fruit

open access: yesAntioxidants, 2022
The type of polymeric condensed tannins from plum fruit (Prunus salicina) (PCT), the degree of polymerization and the distribution of polymers were characterized by MALDI-TOF MS and NMR spectroscopy. The metal-binding capacity of PCT with five metal ions
Liangliang Zhang   +4 more
doaj   +1 more source

Fabrication of Ordered Nanopattern by using ABC Triblock Copolymer with Salt in Toluene

open access: yesNanoscale Research Letters, 2017
Ordered nanopatterns of triblock copolymer polystyrene-block-poly(2-vinylpyridine)-block- poly (ethylene oxide)(PS-b-P2VP-b-PEO) have been achieved by the addition of lithium chloride (LiCl).
Hailiang Huang   +7 more
doaj   +1 more source

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