نتایج جستجو برای: kaolin
تعداد نتایج: 2215 فیلتر نتایج به سال:
Background and purpose: Textile industries produce huge amounts of colored wastewater. Synthetic dyes cause serious problems to human health and aquatic organisms due to their toxic and carcinogenic properties. In this study, Acid Blue 113 (AB113), which is stable and persistent against conventional treatment methods was selected as the target contaminant. Materials and methods: The synthesis ...
The extensive use of zeolites as catalysts and catalyst suppo rts in heteregenous cll t:tly~i ... in the che mical and petrochemical industries is well established. Kaolin is a suitable aluminosilicate mineral which in appropriate conditions can be transformed to a three dimensional zeolite structure with a high surface area. A vast and dispersed kaolin deposites in the country are high p...
Bemisia tabaci is one of the most important pests of tomato greenhouses in Jiroft and chemical control is the only way to control this pest. To reduce the use of chemical pesticides and produce healthy crops, studying safer control methods such as application of kaolin powder is very important. In this study, the effect of kaolin clay, made in Iran (Sepidan(R)), on the control of Bemisia tabaci...
Water-repellent soils have a potential as alternative construction materials that will improve conventional geotechnical structures. In this study, the potential of chemically treated water-repellent kaolin clay as a landfill cover material is explored by examining its characteristics including hydraulic and mechanical properties. In order to provide water repellency to the kaolin clay, the sur...
Evaluation of the efficacy clay particles as a coating agent cacao pods and carrier entomopathogen, Metarhizium anisopliae Sorokin, was conducted for control mirid bug (CMB), Helopeltis bakeri Poppius. Choice no-choice tests were performed to evaluate Philippine-sourced deter CMB feeding, in comparison with commercially available particle film (US kaolin Surround ® ). To determine most efficien...
Background & Objectives: Polycyclic aromatic hydrocarbons (PAHs) are considered as important organic contaminants due to their high toxicity and carcinogenic properties. Among PAHs, phenanthrene is found in most contaminated sites. Sorption and desorption of phenanthrene in soil affect the fate of the contaminant in soil-water system. Presence of organic matter (OM) in the soil matrix can also ...
In general the method described by Fonio and Schwenderer (1942) was used. Ten ml. of blood taken from a fasting patient with a dry syringe was divided equally and put into two paraffined test tubes which had been kept in a refrigerator. Thereafter the blood was centrifuged for 2 minutes at 3,000 revolutions per minute. The plasma thus obtained was transferred in a dry, carefully cleaned pipette...
The aim of this work was the fabrication and the characterization of mixed matrix membranes (MMMs) for arsenic (As) removal from water. Membrane separation was combined with an adsorption process by incorporating the kaolin (KT2) Algerian natural clay in polymeric membranes. The effects of casting solution composition was explored using different amounts of polyethersufone (PES) as a polymer, p...
It is known that pica, the consumption of non-nutritive substances such as kaolin, can be induced by administration of toxins or emetic agents in rats. In the present study, we examined the effects of intraperitoneal (i.p.) administration of cyclophosphamide on pica behavior and on the concentration of 5-hydroxyindoleacetic acids (5HIAA) in cerebrospinal fluid (CSF) in the following five strain...
We investigated the effects of olanzapine on cisplatin-induced pica (the consumption of non-nutrient materials such as kaolin) and glucose homeostasis in rats to clarify the effects of olanzapine when used as an anti-emetic drug. Rats were injected intraperitoneally (i.p.) with either 5 mg/kg cisplatin or saline. Additionally, 2 or 10 mg/kg olanzapine were administered i.p. to the rats 10 min b...
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