نتایج جستجو برای: solid state polymerized polyamide

تعداد نتایج: 1011215  

Journal: :Batteries 2023

The safety concerns associated with power batteries have prompted significant interest in all−solid−state lithium (ASSBs). However, the advancement of ASSBs has been significantly impeded due to their unsatisfactory electrochemical performance, which is attributed challenging interface between solid−state electrolyte and electrodes. In this work, an situ polymerized composite (LLZTO−PVC) consis...

1994
S. C. Erwin G. V. Krishna E. J. Mele

The low-temperature structure of AC 60 (A=K, Rb) is an ordered array of polymerized C 60 chains, with magnetic properties that suggest a non-metallic ground state. We study the paramagnetic state of this phase using first-principles electronic-structure methods, and examine the magnetic fluctuations around this state using a model Hamiltonian. The electronic and magnetic properties of even this...

1994
S. C. Erwin G. V. Krishna

The low-temperature structure of AC 60 (A=K, Rb) is an ordered array of polymerized C 60 chains, with magnetic properties that suggest a non-metallic ground state. We study the paramagnetic state of this phase using first-principles electronic-structure methods, and examine the magnetic fluctuations around this state using a model Hamiltonian. The electronic and magnetic properties of even this...

Journal: :Biomaterials 2002
Jai Paul Singhal Alok R Ray

Blood compatibility of polyamides has been improved by introducing amido-amine groups in polymer backbone. Polyamide block-copolymer are synthesized by reacting amine end-capped polyamides with N,N'-methylene-bisacrylamide. Polyamide block-copolymers, thus produced found to have the ability of absorbing heparin. Heparinized polyamide block-copolymers have shown significant improvement in blood ...

2010
Rohat Melik Emre Unal Nihan Kosku Perkgoz Christian Puttlitz Hilmi Volkan Demir

We present telemetric sensing of surface strains on different industrial materials using split-ring-resonator based metamaterials. For wireless strain sensing, we utilize metamaterial array architectures for high sensitivity and low nonlinearity-errors in strain sensing. In this work, telemetric strain measurements in three test materials of cast polyamide, derlin and polyamide are performed by...

2015
Su Yeon Kim Yu-Ho Won Ho Seong Jang

LiYF4:Eu nanophosphors with a single tetragonal phase are synthesized, and various strategies to enhance the Eu(3+) emission from the nanophosphors are investigated. The optimized Eu(3+) concentration is 35 mol%, and the red emission peaks due to the (5)D0 →(7)FJ (J = 1 and 2) transitions of Eu(3+) ions are further enhanced by energy transfer from a sensitizer pair of Ce(3+) and Tb(3+). The tri...

Journal: :iranian chemical communication 0
gholamhassan imanzadeh department of chemistry, college of basic science, university of mohaghegh ardabili 56199-11367, ardabil, iran hamideh vakili department of chemistry, college of basic science, university of mohaghegh ardabili 56199-11367, ardabil, iran

a simple, efficient and clean procedure has been developed for the cleavage of imines c=n bond. deprotection of imines to their parent carbonyl and amine compounds was achieved using p-toluenesulfonic acid in the solid state condition at 25-45 ˚c. the salient features of this methodology are shorter reaction times, cheap processing, high yields of product and easy availability of the catalyst. ...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2012
behzad sadeghi rasoul sarraf-mamoory hamid reza shahverdi,

limn2o4 spinel cathode materials have been successfully synthesized by solid-state reaction. surface of these particles were modified by nanostructured lifepo4 via sol gel dip coating method. synthesized products were characterized by thermally analyzed by thermogravimetric and differential thermal analysis(tg/dta), x-ray diffraction (xrd), scanning electron microscopy (sem), and energy dispers...

Journal: :international journal of molecular and clinical microbiology 0
masoumeh anvari department of microbiology, faculty of sciences, islamic azad university, rasht branch, p.o. box 41335-3516, rasht, iranسازمان اصلی تایید شده: دانشگاه آزاد اسلامی رشت (islamic azad university of rasht) mehdi shahriari nor department of microbiology, sciences and research branch, islamic azad university, rasht iranسازمان اصلی تایید شده: دانشگاه آزاد اسلامی رشت (islamic azad university of rasht) mohammad reza safari department of microbiology, faculty of sciences, islamic azad university, rasht branch, p.o. box 41335-3516, rasht, iranسازمان اصلی تایید شده: دانشگاه آزاد اسلامی رشت (islamic azad university of rasht)

optimization of the fermentation medium for maximum alkaline protease production was carried out. fifteen positive isolates were examined for their extent of alkaline protease production. the most potent producer was identified as bacillus sp. the solid substrate screening showed that the combination of wheat straw and bean husk was the best one. the initial screening by using plackett–burman’s...

Journal: :international journal of nanoscience and nanotechnology 2012
n. nasihat sheno a. morsali

copper oxide nanostructures have been successfully synthesized via one-step solid-state thermolysis of two metal-organic frameworks, [cu3(btc)2] (1) and [cu(tpa).(dmf)] (2), (btc = benzene-1,3,5-tricarboxylate, tpa = therephtalic acid = 1,4-benzendicarboxylic acid and dmf = dimethyl formamide) under air atmosphere at 400,  500, and 600°c. it has also been found that the reaction temperature pla...

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