نتایج جستجو برای: clay and calcite coating
تعداد نتایج: 16841731 فیلتر نتایج به سال:
Consumers look for unique wines, offering pleasant experiences. Wine producers need to open new markets and are targeting countries with fewer traditions in drinking red complex such as Poland, Russia Germany. The use of less popular aging vessels (e.g., clay-tinajas) will help creating wines. aim this study was evaluate the effect vessel on volatile sensory profiles consumer acceptance wine Sp...
Previous reports of reticulated filaments, an unknown microbe, document that they are ubiquitous in subsurface environments, including limestone caves, lava tubes, and even granite tunnels. Although initial reports of fossil reticulated filaments described preserved organic matter, additional instances involve replacement by calcite, Mn-oxides, silica, or copper silicates. We report on living r...
This work aimed to compare the coating protection efficiency of C-steel using two kinds clay: a local Khulays clay (RCKh) from Saudi Arabia and commercial (CCIn) India. Clay-based polymer nanocomposites have unique layered structure, rich intercalation chemistry, availability at low cost. They are promising reinforcements for polymers. The raw both types was washed before being treated with NaC...
different amounts of nanoclay were incorporated into the acrylic resin matrix at 0, 1, 3, and 5 wt.% loadings. the coatings were applied on low carbon steel plates. optical microscopy, sedimentation test, transmission electron microscopy, and x-ray diffraction were employed to investigate the dispersion of nanoclay in matrix. the corrosion resistance of coatings was evaluated by electrochemical...
The area that contains studied gemstones is located in 19 km South of Torud and 135 kilometer Southeast of Damghan. The quickest and most cost-effective processing method for gemstones in this area is using grind discs in the abrasion and forming stage with the 120 mesh and dry method in polishing stage. The concentration of iron oxide and the presence of calcite and clay minerals made the vari...
The direct qualitative and quantitative determination of mineral components in shale rocks is a problem that has not been satisfactorily resolved to date. Infrared spectroscopy (IR) is a non-destructive method frequently used in mineral identification, yet challenging due to the similarity of spectral features resulting from quartz, clay, and feldspar minerals. This study reports on a significa...
The Forties Sandstone Member is an important deep-water reservoir in the Central North Sea. role of depositional characteristics, grain-coating clays, and diagenesis controlling quality sandstones poorly understood. main aim study to understand pore-filling evolution turbidite-channel sandstones. employed a multi-disciplinary technique involving thin section petrography scanning electron micros...
Infrared spectroscopy (IR) is a powerful tool to decipher the molecular groups in the minerals. This technique of detection, using atomic vibrations of molecules, that is identified through a process of absorption, makes possible the necessary mechanisms of phase analysis of minerals. In this paper, after a brief description of infrared spectroscopy, two groups of minerals will be explained by ...
The Zonuz irregular lens shaped kaolin deposit located in Marand, Azarbaygan, is exploited as an openpit. Andesite, Trachyandesite and dacite igneous rocks are located in south, west and east parts of the deposit, respectively. The Ore was analysed by XRD, SEM and NAA. Assemblage of major minerals including Quartz, Kaolinite, Illite and Calcite, and minor minerals of Dolomite, Montmorillo...
Fourteen samples of No. 6 coal seam were obtained from the Chuancaogedan Mine, Jungar Coalfield, Inner Mongolia, China. The samples were analyzed by optical microscopic observation, X-ray diffraction (XRD), scanning electron microscope equipped with an energy-dispersive X-ray spectrometer (SEM-EDS), inductively coupled plasma mass spectrometry (ICP-MS) and X-ray fluorescence spectrometry (XRF) ...
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