نتایج جستجو برای: expanded clay

تعداد نتایج: 82351  

2013
Maria Swarcewicz Andrzej Gregorczyk Justyna Sobczak

It is widely recognised that complex interactions occur between chemicals in mixtures. In many agricultural situations, the use of tank mixes and complex spray programs is a common practice. Insecticides, fungicides and a herbicide being applied in potato protection were used in this research. Interactions between linuron and insecticides, such as thiamethoxam or clothianidin, and fungicides, s...

Journal: :Frontiers in Energy Research 2021

The goal of this study was to evaluate the use expanded clay as a support material for Thermoanaerobacterium thermosaccharolyticum KKU19 produce hydrogen from oil palm trunk hydrolysate (OPT) and slaughterhouse wastewater (SHW) in fixed-bed reactor (FBR) under non-sterile conditions. effects hydraulic retention time (HRT) on performance FBR were also investigated. operated at an OPT SHW ratio 2...

2017
L. J. Wooldridge R. H. Worden J. Griffiths A. Thompson P. Chung

The presence of clay-sized particles and clay minerals in modern sands and ancient sandstones has long presented an interesting problem, because primary depositional processes tend to lead to physical separation of fineand coarse-grained materials. Numerous processes have been invoked to explain the common presence of clay minerals in sandstones, including infiltration, the codeposition of floc...

Journal: :Civil and Environmental Engineering Reports 2022

The architectural form of buildings is determined by many factors, one the most important construction technology. It remains in a close and inseparable relationship with design. Contemporary technologies are constantly subject to improvements, streamlining, changes aimed at increasing all kinds efficiency (cost, thermal efficiency, labor input, etc.). One today’s widely discussed determinants ...

2016
Dongwei Hou Guoping Zhang Rohit Raj Pant Zhongxin Wei Shuilong Shen

Clay-based nanostructured multilayers, such as clay-polymer multilayers and clay-oxide multilayers, have attracted growing attention owing to their remarkable mechanical properties and promising application in various fields. In this paper, synthesis of a new kind of nanostructured clay-oxide multilayers by layer-by-layer self-assembly was explored. Nano-mechanical characterization of 18 clay-b...

2006
Y. Lei C. M. Clemons F. Yao Y. Xu K. Lian Gifford Pinchot WI

Composites based on high density polyethylene (HDPE), pine flour, and organic clay were made by melt compounding and then injection molding. The influence of clay on crystallization behavior, mechanical properties, water absorption, and thermal stability of HDPE/pine composites were investigated. The HDPE/pine composites containing exfoliated clay were made by a two-step melt compounding proced...

2008
Elodie Naveau Cédric Calberg Michaël Alexandre Christine Jérôme Christophe Detrembleur

INTRODUCTION Clays, and more specifically 2 :1 phyllosilicates consisting of aluminoor magnesiosilicate negatively charged staked layers separated by van der Walls spacings where inorganic countercations (sodium, calcium,... cations) are located, can be associated with polymers to give interesting new materials called polymer/clay nanocomposites. Polymer/clay nanocomposites have been intensivel...

2013
Paul Djomgoue Daniel Njopwouo

The present paper should be considered as a review of the application of Fourier Transform Infra-Red for surface clay characterization. The application of surface clay materials for water treatment, oil adsorption, excipients or as active in drugs has largely increased these recent years. The surface clay material presents hydroxyl groups, which can link very easily water molecules. These hydro...

2004
Robin H. A. Ras József Németh Cliff T. Johnston Imre Dékány Robert A. Schoonheydt

To control the molecular organization of octadecyl rhodamine B (RhB18), hybrid Langmuir–Blodgett monolayers containing clay minerals were prepared. The orientation and conformation of the RhB18 molecule were analyzed by polarized attenuated total reflection Fourier transform infrared (ATR–FTIR) spectroscopy and fluorescence spectroscopy. Monomers and dimers of RhB18 were observed by UV-Vis abso...

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