نتایج جستجو برای: organically modified montmorillonite ommt

تعداد نتایج: 254933  

2013
Chia-I Tsai Tsai-Chung Li Ming-Hong Chang Shih-Yi Lin I-Te Lee Cheng-Hung Lee Tzu-Yuan Wang Yi-Chang Su

Objective. To investigate the effects of modified Hungqi Guizhi Wuwu Tang (MHGWT), a formula that comprises Chinese medicinal herbs, in relieving neuropathic pain in diabetics. Method. Between March 2008 and April 2009, 112 participants were randomly assigned to either the MHGWT group, whose members received MHGWT (n = 56), or the control group, whose members received a placebo (n = 56). Diabet...

Journal: :Global Nest Journal 2022

<p>Industrial production brings serious Cr(Ⅵ) pollution problems, so as to explore new treatment methods for Cr(Ⅵ), In this paper, modified montmorillonite was prepared by modifying with starch and lanthanum nitrate, its adsorption mechanism effect on were explored. The monundonerization properties characterized Zeta potential, X-ray diffraction (XRD), Fourier Transform infrared spectrosc...

Journal: :international journal of nanoscience and nanotechnology 2010
m. abbasian m. jaymand m. z. ghadami a. fathi

exfoliated poly (chloromethyl styrene-co-styrene)-g-polyacrylonitryle/organo- modified montmorillonite [p(cmst-co-st)-g-pan/o-mmt] nanocomposite was synthesized through solution intercalation method by using atom transfer and nitroxide mediated radical polymerization. at first, poly (chloromethyl styrene-costyrene) copolymer was synthesized by nitroxide - mediated “living” free radical polyme...

2013
Amr M. Beltagi Iqbal M. Ismail Mohamed M. Ghoneim

Manganese is an essential micronutrient for all organisms; however at high concentrations it has a toxic effect. Manganese toxicity is a serious constraint to crop cultivation since it is taken-up by plants and can easily be passed into the food chain again causing symptoms of Parkinson’s disease. A fully validated square-wave adsorptive cathodic stripping voltammetry method has been developed ...

2007
A. Salam U. Lohmann

The ice nucleation characteristics of montmorillonite mineral dust aerosols with and without exposure to ammonia gas were measured at different atmospheric temperatures and relative humidities with a continuous flow diffusion chamber. The montmorillonite particles were exposed to pure (100%) and diluted ammonia gas (25 ppm) at room temperature in a stainless steel chamber. There was no signific...

Journal: :Nanoscale 2011
Jonathan W Kemling Kenneth S Suslick

Porous pigments in which chemically responsive dyes have been immobilized in a matrix of organically modified siloxanes (ormosils) have been prepared and characterized by AFM, TEM, EDS, and optical analysis. In typical chemical sensing applications, an array of 36 different porous ormosil pigments are deposited on polyethylene terephthalate (PET) film.

Journal: :Chemical communications 2016
D A Boyd C C Baker J D Myers V Q Nguyen G A Drake C C McClain F H Kung S R Bowman W Kim J S Sanghera

A novel method combining elemental sulfur and selenium was developed, yielding crystalline sulfur-selenium compounds. The compounds were melted, and an organic comonomer added. Once the organic comonomer was consumed, the viscous compound was vitrified and allowed to cool yielding organic-inorganic hybrid polymers that are termed Organically Modified Chalcogenide (ORMOCHALC) polymers.

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