Academic literature on the topic 'Quartz Titanium Analysis'

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Journal articles on the topic "Quartz Titanium Analysis"

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Wertich, Vojtěch, Jaromír Leichmann, Marek Dosbaba, and Jens Götze. "Multi-Stage Evolution of Gold-Bearing Hydrothermal Quartz Veins at the Mokrsko Gold Deposit (Czech Republic) Based on Cathodoluminescence, Spectroscopic, and Trace Elements Analyses." Minerals 8, no. 8 (2018): 335. http://dx.doi.org/10.3390/min8080335.

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We performed a detailed analysis of hydrothermal quartz at the Mokrsko gold deposit (Čelina, Mokrsko-East, and Mokrsko-West deposits). Twenty-one samples were studied by scanning electron microscopy cathodoluminescence (CL) imagining, CL emission spectra and trace elements were measured on six selected samples. Four quartz growth generations Q1 to Q4 were described. Homogeneous early blue CL Q1 with initial emission spectra at 380 and 500 nm was observed at the Čelina deposit with typical titanium concentrations in the range of 20–50 ppm. Hydrothermal quartz at Mokrsko-West, which also include
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Tashiro, Yuichiro, Satoshi Komasa, Akiko Miyake, Hiroshi Nishizaki, and Joji Okazaki. "Analysis of Titania Nanosheet Adsorption Behavior Using a Quartz Crystal Microbalance Sensor." Advances in Materials Science and Engineering 2018 (2018): 1–10. http://dx.doi.org/10.1155/2018/7461245.

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We investigated the adsorption of albumin and fibronectin on a titania nanosheet- (TNS-) modified quartz crystal microbalance (QCM) sensor. A Ti QCM sensor was fabricated by reactive magnetron sputtering. A thin layer of Ti was deposited on the QCM sensor. This sensor was then alkali-modified by treatment with NaOH at room temperature to fabricate the titania nanosheets. Scanning probe microscopy, X-ray photoelectron spectroscopy, and scanning electron microscopy were performed to investigate the surface topology and chemical components of each sensor. The TNS had a titanium oxide film exhibit
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Uttiya, Sureeporn, Ornella Cavalleri, Michele Biasotti, et al. "Mesoporous Titanium Dioxide Thin Films on Quartz via Electrochemical Anodisation Process." Advanced Materials Research 1119 (July 2015): 456–60. http://dx.doi.org/10.4028/www.scientific.net/amr.1119.456.

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Titanium dioxide (TiO2) thin films were prepared by means of electrochemical anodisation or anodic spark deposition (ASD) from thin and flat metallic titanium (Ti) films pre-deposited on high quality quartz substrates by electron beam evaporation. AFM analysis indicates the formation of uniform mesoporous layers and a definite increase about 50% of the film thickness upon anodisation and about 90% upon annealing. Anodised mesoporous TiO2films have been characterized by Raman spectroscopy, which indicates the presence of well-defined peaks related to anatase structure. Phase transformation from
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Leeman, William P., Colin M. MacRae, Nick C. Wilson, et al. "A Study of Cathodoluminescence and Trace Element Compositional Zoning in Natural Quartz from Volcanic Rocks: Mapping Titanium Content in Quartz." Microscopy and Microanalysis 18, no. 6 (2012): 1322–41. http://dx.doi.org/10.1017/s1431927612013426.

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AbstractThis article concerns application of cathodoluminescence (CL) spectroscopy to volcanic quartz and its utility in assessing variation in trace quantities of Ti within individual crystals. CL spectroscopy provides useful details of intragrain compositional variability and structure but generally limited quantitative information on element abundances. Microbeam analysis can provide such information but is time-consuming and costly, particularly if large numbers of analyses are required. To maximize advantages of both approaches, natural and synthetic quartz crystals were studied using hig
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Buthelezi, M., L. D. Ashwal, and P. Horváth. "Application of titanium-in-quartz geothermometry to magmatic quartz in evolved rocks from the Bushveld Complex, South Africa." South African Journal of Geology 120, no. 2 (2017): 241–50. http://dx.doi.org/10.25131/gssajg.120.2.241.

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Abstract We report concentration data for the trace element titanium (Ti) in magmatic quartz in eight samples of leucogabbronorite, anorthosite, olivine ferrodiorite and quartz anorthosite from the Main and Upper Zones of the Bushveld Complex. The results, obtained by electron microprobe analysis, were used with Ti-in-quartz geothermometers (TitaniQ) to constrain the solidus temperatures of these rocks. Magmatic quartz is present sporadically in the mafic cumulate rocks of the 2950 m Bellevue borehole (Northern Limb), and commonly occurs as intercumulus, triangular patches, typically between c
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Wang, Jinxin, Jun Li, Yan Gao, Zhongyuan Lu, and Li Hou. "Mechanical and Drying Shrinkage Performance Study of Ultra-High-Performance Concrete Prepared from Titanium Slag under Different Curing Conditions." Materials 17, no. 17 (2024): 4201. http://dx.doi.org/10.3390/ma17174201.

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This research investigates the effects of various curing regimes, the incorporation of titanium slag, and the utilization of quartz sand on the strength properties and shrinkage behavior of ultra-high-performance concrete (UHPC). By using low-heat silicate cement to prepare UHPC, this study conducted standard curing and steam curing, and comprehensively analyzed the macro and micro performance of UHPC under different curing conditions. The findings indicate that the application of steam curing markedly enhances the mechanical attributes of UHPC while efficiently decreasing its drying shrinkage
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Mykola, Plemyannikov. "ANALYSIS OF THE PHOTOCATALYTIC ACTIVITY OF TIO2 COATING ON A GLASS AS A CRITERION OF ITS ABILITY TO SELF-CLEANING." Technology audit and production reserves 6, no. 1 (50) (2019): 14–17. https://doi.org/10.15587/2312-8372.2019.188072.

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<em>The object of research is the process of photocatalytic degradation of methylene blue on glass coated with titanium oxide under the influence of ultraviolet radiation (UV radiation). The study aims to indirectly assess the ability of glasses to self-clean. An axiomatic assumption is made about the correlation between self-cleaning ability and photocatalytic activity.</em> <em>The proprietary photocatalytic reactor is used. This is a cylindrical quartz glass cavity in the form of a glass, on the inner surface of which a photocatalytic coating of titanium oxide is preliminarily applied. The
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Iobidze, G. "CHARACTERISTICS OF INTERMEDIATE SULFIDATION IN THE BEKTAKARI–BNELIKHEVI ORE KNOT BASED ON COMPOSITIONAL ANALYSIS." Znanstvena misel journal, no. 102 (May 29, 2025): 9–23. https://doi.org/10.5281/zenodo.15548269.

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The conducted research demonstrates one of the strongest applications of EDS - its ability to produce elemental maps that reveal the spatial distribution of specific elements within a sample. The combination of these methods provides detailed, high-resolution information regarding both surface morphology and elemental composition, which is crucial for the thorough characterization of a given geological object. We also performed studies using BSE and SE methodologies. Spatial Analysis of Samples (EDX &ndash; Energy Dispersive X-ray Spect-roscopy), Quantitative Titanium Analysis in Quartz, Quant
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Díaz Pace, Diego, Alfredo Caggianelli, Olga De Pascale, and Giorgio S. Senesi. "Rapid Determination of Ti in Quartz Using a Portable/Handheld Laser-Induced Breakdown Spectroscopy (LIBS) Instrumentation: A Case Study on Quartz Veinlets in Hornfels from Italy." Minerals 14, no. 12 (2024): 1257. https://doi.org/10.3390/min14121257.

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Recent advances in the use of portable/handheld laser-induced breakdown spectroscopy (LIBS) instrumentation have allowed its use directly in the field. In this study, a portable/handheld LIBS demo kit was tested to detect the titanium (Ti) content in some quartz veinlets hosted by hornfels collected from the contact aureole of a Pliocene granite from Italy. Results of the present study demonstrate the promising potential of LIBS in the rapid detection of low and very variable Ti contents in quartz, which can be used as a preliminary test for the estimation of the temperature of quartz crystall
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Pyatykh, A., A. Tikhonov, and N. Ulakhanov. "Comparative structural analysis of samples of transpedicular screws from titanium alloys." Journal of Physics: Conference Series 2697, no. 1 (2024): 012062. http://dx.doi.org/10.1088/1742-6596/2697/1/012062.

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Abstract The article presents studies of transpedicular screws made of titanium alloy BT6. A metallographic and microstructural analysis of screw blanks, prototypes of transpedicular screws made of BT6 alloy and commercially produced screws made of Ti-6Al-4V was performed. Specimens of transpedicular screws were manufactured using the vortex thread cutting method on a CITIZEN Cincom K16E-VII automatic lathe. The microgeometry of the screw surface was created by sandblasting using quartz sand as an abrasive material. Studies have shown that experimental and foreign samples of transpedicular scr
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Book chapters on the topic "Quartz Titanium Analysis"

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René, Miloš, and Zdeněk Dolníček. "Fluorocarbonates from Biotite Granodiorite, Slavkovský les Mts., Czech Republic." In Recent Advances in Mineralogy [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.112634.

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Biotite granodiorites belonging to the redwitzite suite of western part of the Bohemian Massif occur as small bodies in metasediments of the Horní Slavkov crystalline unit and/or as inclusions in biotite granites of the Krušné Hory/Erzgebirge Mts. batholith. Biotite granodiorites contain plagioclase, K-feldspar, biotite, quartz, and accessory minerals (apatite, zircon). Some of these granodiorites were hydrothermally altered and during breakdown of biotite originated chlorite, titanite, ilmenite, and REE-fluorocarbonates. The anhedral grains and irregular aggregates of REE-fluorocarbonates app
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Cao, Kang, Zhi-Ming Yang, Zeng-qian Hou, Noel C. White, and Chao Yu. "Contrasting Porphyry Cu Fertilities in the Yidun Arc, Eastern Tibet: Insights from Zircon and Apatite Compositions and Implications for Exploration." In Tectonomagmatic Influences on Metallogeny and Hydrothermal Ore Deposits: A Tribute to Jeremy P. Richards (Volume II). Society of Economic Geologists, 2021. http://dx.doi.org/10.5382/sp.24.13.

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Abstract The Yidun arc, part of the Sanjiang Paleo-Tethyan orogenic belt in eastern Tibet, hosts several porphyry Cu deposits in its southern section, whereas abundant contemporaneous but barren granitoid intrusions occur in the northern section. Here we present an integrated, temporally constrained dataset of zircon and apatite compositions together with whole-rock geochemical results for both the fertile and barren suites in the Yidun arc. We investigate the probable factors leading to such contrasting porphyry Cu fertilities and also assess the application of geochemical and mineral proxies
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Conference papers on the topic "Quartz Titanium Analysis"

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Migliaccio, C. P., H. K. Dhavaleswarapu, and S. V. Garimella. "Microscale Temperature Measurements Near the Contact Line of an Evaporating Thin Film in a V-Groove." In ASME 2009 InterPACK Conference collocated with the ASME 2009 Summer Heat Transfer Conference and the ASME 2009 3rd International Conference on Energy Sustainability. ASMEDC, 2009. http://dx.doi.org/10.1115/interpack2009-89134.

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Thin-film evaporation of heptane in a V-groove geometry is experimentally investigated. The groove is made of fused quartz, and electrical heating of a thin layer of titanium coated on the backside of the quartz substrate provides a constant heat flux. The effects of liquid feeding rate on the temperature suppression in the thin-film region and on the meniscus shape are explored. High resolution (∼6.3 μm) infrared thermography is employed to investigate the temperature profile in the thin-film region, while a goniometer is used to image the meniscus shape. An approximate heat balance analysis
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Huda, Nazmul, and Prashanta Dutta. "Platinum Microelectrodes in Polymeric Microfluidic Chips: A New Fabrication Approach." In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-14066.

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Platinum microelectrodes become essential components in microfluidic devices for separation, pumping, sensing, and other bio-analyses. Due to their chemical inertness, several research groups have developed microfluidic devices with integrated platinum electrodes on silicon, quartz, or glass substrates. However, no techniques have been reported so far for depositing platinum electrodes in polymeric microchannels. In this study, a novel fabrication scheme for forming integrated microelectrodes in a poly-dimethyl-siloxane (PDMS) microchip is described. The electrode fabrication technique consist
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Cizek, J., and K. A. Khor. "Phase Composition Changes of Plasma Sprayed TiO2 Coatings Deposited under Different In-Flight Temperatures and Velocities." In ITSC2009, edited by B. R. Marple, M. M. Hyland, Y. C. Lau, C. J. Li, R. S. Lima, and G. Montavon. ASM International, 2009. http://dx.doi.org/10.31399/asm.cp.itsc2009p1002.

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Abstract Changes in phase composition of titania (TiO2) coatings were studied with respect to in-flight particle characteristics during atmospheric plasma spraying. A CCD camera was used to record the average temperature and velocity of TiO2 particles within the plasma jet for six combinations of spraying parameters selected according to Taguchi design of experiments. Phase composition of the coatings was assessed by means of X-ray diffractometry and numerically specified using Rietveld analysis. Changes in composition between the powders and coatings were observed with respect to the in-fligh
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Calin, N., C. Constantina, and D. Perta. "NEW DATA ON MINERALS WITH ECONOMIC POTENTIAL PRESENT IN LITHIUM PEGMATITES FROM CON?U � NEGOVANU, CIBIN (CINDREL) MOUNTAINS, CENTRAL GROUP, SOUTHERN CARPATHIANS, ROMANIA." In 23rd SGEM International Multidisciplinary Scientific GeoConference 2023. STEF92 Technology, 2023. http://dx.doi.org/10.5593/sgem2023/1.1/s01.11.

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In this paper will discuss the minerals present in pegmatites, seen as a way of storing chemical elements, important from an economic point of view. The study area is called Con?u - Negovanu, and is located between the two mountain massifs known as Cindrel (Cibin) and Lotru Mountains. Muscovite (seen as a possible indicator for lithium in Con?u � Negovanu pegmatites), one of the important minerals alongside quartz, spodumene, and albite cleavelandite variety, is probably the mineral that includes in its structure chemical elements: Fe3+, Fe2+, Mg2+, Mn2+, Ti, Li, Nb, Ta, Sn, Ce, K, Na, Ca2+ wh
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