Bibliografias temáticas / Baritō

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  2. Teses / dissertações
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Literatura científica selecionada sobre o tema "Baritō"

Autor: Grafiati
Publicado: 25 de julho de 2024
Última modificação: 31 de julho de 2024

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Artigos de revistas sobre o assunto "Baritō"

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Mu’Alim, Muhammad, and Yohannes Sardjono. "MODELING THE RADIATION SHIELDING OF BORON NEUTRON CAPTURE THERAPY BASED ON 2.4 MEV D-D NEUTRON GENERATOR FACILITY." JURNAL TEKNOLOGI REAKTOR NUKLIR TRI DASA MEGA 20, no. 1 (2018): 13. http://dx.doi.org/10.17146/tdm.2018.20.1.3633.

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Radiation shield at Boron Neutron Capture Therapy (BNCT) facility based on D-D Neutron Generator 2.4 MeV has been modified with pre-designed beam shaping assembly (BSA). Modeling includes the material and thickness used in the radiation shield. This radiation shield is expected to protect workers from radiation doses rate that is not exceed 20 mSv·year-1 of dose limit values. The selected materials are barite, paraffin, polyethylene and lead. Calculations were performed using the MCNPX program with tally F4 to determine the dose rate coming out of the radiation shield not exceeding the radiati
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Dera, Santy. "Pengaruh pH Larutan Terhadap Nukleasi dan Pertumbuhan Kristal Barium Sulfat Didalam Pipa Beraliran Laminar: Pengamatan Kristal Menggunakan SEM-EDX dan XRD." Gorontalo Journal of Infrastructure and Science Engineering 1, no. 2 (2018): 37. http://dx.doi.org/10.32662/gojise.v1i2.490.

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Kerak barium sulfat merupakan kasus yang sangat umum terjadi di dalam industry minyak dan gas bumi. Adanya kerak ini mempengaruhi produksi minyak dan gas bumi, sehingga menimbulkan masalah teknis yaitu dapat menghambat laju alir, sehingga tekanan pada pipa akan semakin tinggi dan menyebabkan pipa akan pecah dan rusak. Hasil penelitian ini menyajikan tentang pengendapan kristal barit dibawah pengaruh nilai pH (6,8,10) larutan, konsentrasi Ba2+ (2500ppm, 3000ppm, 3500ppm) dan konsentrasi aditif asam lauric (5,10,20 ppm) dengan suhu konstan 300C dan laju alir 30ml/menit. Dalam kegiatan penelitian
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YALÇIN, Cihan, and Yusuf URAS. "DADAĞLI (KAHRAMANMARAŞ) BÖLGESİNDE KARBONATLI KAYAÇLAR İLE İLİŞKİLİ DAMAR TİPİ Pb-Zn CEVHERLEŞMESİNİN MİKROTERMOMETRİK ÖZELLİKLERİ." Kahramanmaraş Sütçü İmam Üniversitesi Mühendislik Bilimleri Dergisi 25, Özel Sayı (2022): 36–45. http://dx.doi.org/10.17780/ksujes.1160292.

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Kahramanmaraş ili jeolojik yapısı sebebiyle farklı kökenli kayaçları bir arada bünyesinde barındırır. Kuzeyde Toros Orojenik Kuşağı, güneyde ise Arap levhasına ait birimler gözlenir. Dadağlı bölgesi de Arap levhasına ait kenar kıvrım kuşağında yer alır. Bu bölgenin temelinde Seydişehir formasyonuna ait birimler yüzlek verir. Bu temel üzerine ise Mesozoyik yaşlı karbonatlı kayaçlar açısal uyumsuzlukla gelmektedir. Yavuzeli bazaltı ise tüm birimleri kesmektedir. Dadağlı kuzeyindeki Mesozoyik yaşlı karbonatlı kayaçlarda damar tipi baritli kurşun-çinko cevherleşmesi bulunur. Galenit, sfalerit, pir
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Budi, Gogot Setyo, Hurijanto Koentjoro, Joshua Wijaya, and Evan Filbert Sikomena. "The attenuation coefficient of barite concrete subjected to gamma-ray radiation." MATEC Web of Conferences 258 (2019): 05030. http://dx.doi.org/10.1051/matecconf/201925805030.

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Barite is a non-metallic mineral, which composed of Barium Sulfate (BaSO4), has specific gravity about 4.5. It can be used for high density concrete as a shielding against gamma-ray. This paper presents the use of barite as concrete aggregates to block gamma-ray radiation. Two concrete grades fc’25 and fc’35 were prepared. The effect of barite to the attenuation coefficient of samples was studied by replacing coarse aggregate with barite and replacing both coarse and fine aggregates with barite. The results show that the protection ability of the concrete using barite aggregates subjected to g
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Rajabi, Abdorrahman, Pouria Mahmoodi, Pura Alfonso, et al. "Barite Replacement as a Key Factor in the Genesis of Sediment-Hosted Zn-Pb±Ba and Barite-Sulfide Deposits: Ore Fluids and Isotope (S and Sr) Signatures from Sediment-Hosted Zn-Pb±Ba Deposits of Iran." Minerals 14, no. 7 (2024): 671. http://dx.doi.org/10.3390/min14070671.

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Iran hosts more than 350 Precambrian to Cenozoic sediment-hosted Zn-Pb±Ba and barite-sulfide deposits, including shale-hosted massive sulfide (SHMS, also called SEDEX) and Irish-type and Mississippi Valley-type (MVT) mineralization, and barite is a common mineral in these deposits. In the SHMS deposits, barite is typically found as fine-grained disseminations in thin laminae. In these deposits, the sulfide laminae often occur as diagenetic replacements and as bands containing authigenic and diagenetic barite and pyrite framboids. In the Irish-type Zn-Pb-Ba and stratabound barite-sulfide deposi
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Reza, Fachrul. "KEBERADAAN ULA PUCUAK (Trimeresurus barati) PADA BEBERAPA DAERAH DI SUMATERA BARAT." Bioconcetta 1, no. 2 (2015): 87–93. http://dx.doi.org/10.22202/bc.2015.v1i2.1509.

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Guembou Shouop, Cebastien Joel, Sang-In Bak, Eric Jilbert Nguelem Mekontso, Maurice Ndontchueng Moyo, and David Strivay. "Barite concrete-based cement composites for 252Cf spontaneous neutron and 60Co/192Ir shielding based on Monte Carlo computation." Materials Research Express 9, no. 4 (2022): 045502. http://dx.doi.org/10.1088/2053-1591/ac5e8d.

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Abstract Barite concrete composite materials have been investigated for 252Cf spontaneous neutron and 60Co/192Ir gamma sources’ shielding using Monte Carlo computational method. The Particle and Heavy Ion Transport code System (PHITS) was used to compute the shielding properties of three different materials (barite concrete, barite cement, and barite aggregate) used as structural walls in fixed neutron & gamma industrial radiography for Non-Destructive Testing applications. The obtained results displayed good properties of barite concrete in shielding spontaneous neutrons emitted from the
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Bonny, Sandy M., and Brian Jones. "Barite (BaSO4) biomineralization at Flybye Springs, a cold sulphur spring system in Canada's Northwest Territories." Canadian Journal of Earth Sciences 44, no. 6 (2007): 835–56. http://dx.doi.org/10.1139/e06-126.

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The Flybye Springs, Northwest Territories, consist of 10 active vents and numerous small seeps that discharge sulphide- and barium-rich spring waters at an average temperature 8.5 °C. Oxidation of sulphide to sulphate drives precipitation of stellate and platy barite microcrystals in the proximal flow paths. Downstream, and in vent- and tributary-fed ponds, barite is precipitated among streamer and mat forming colonies of sulphur-tolerant microbes, including Thiothrix, Beggiatoa, Thioploca, Chromatium, Oscillatoria, fungi (dominantly Penicillium), and unicellular sulphate reducing bacteria. Th
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Wang, Chunyao, Li Zhou, Shuai Zhang, et al. "Morphology of Barite Synthesized by In-Situ Mixing of Na2SO4 and BaCl2 Solutions at 200 °C." Crystals 11, no. 8 (2021): 962. http://dx.doi.org/10.3390/cryst11080962.

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Barite is an abundant sulfate mineral in nature. Especially, the variety of morphologies of barite is often driven by the mixing of Ba-bearing hydrothermal fluid and sulfate-bearing seawater around hydrothermal chimneys. In order to better understand the factors affecting the morphology and precipitation mechanism(s) of barite in seafloor hydrothermal systems, we synthesized barite by a new method of in-situ mixing of BaCl2 and Na2SO4 solutions at 200 °C while varying Ba concentrations and ratios of Ba2+/SO42−, and at room temperature for comparison. The results show that barite synthesized by
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Khubchandani, Lachman M., and Priya Hosali. "Grassroots English in a Communication Paradigm." Language Problems and Language Planning 23, no. 3 (1999): 251–72. http://dx.doi.org/10.1075/lplp.23.3.04khu.

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ZUSAMMENFASSUNG "Grassroots English " im Kommunikationsparadigma Der Aufsatz behandelt den kommunikativen Zugang im mehrsprachigen Zusammenhang. Er analysiert Daten aus dem in Indien gesprochenen Englisch in Bezug auf den Sprecher/Hörer, die Funktion, den Kontext und andere relevante Faktoren, die die Sprache im alltaglichen Leben bestimmen. In der postkolonialen Ära hat der Gebrauch dieses "Grassroots English" unter denjenigen, die sich in einer mehrsprachigen städtischen Umgebung spontan grundlegende Bestandteile der Sprache aneignen, in bemerkenswerter Weise zugenommen. Dieser Sprachgebrauc
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Teses / dissertações sobre o assunto "Baritō"

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Janasi, Suzilene Real [UNESP]. "Ferrita de bário: preparação de fases dopadas com cobalto, titânio e estanho." Universidade Estadual Paulista (UNESP), 1997. http://hdl.handle.net/11449/102592.

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Made available in DSpace on 2014-06-11T19:32:11Z (GMT). No. of bitstreams: 0 Previous issue date: 1997Bitstream added on 2014-06-13T20:27:17Z : No. of bitstreams: 1 janasi_sr_dr_araiq.pdf: 2566763 bytes, checksum: e10173459cbf62287b0478669d7c6ed0 (MD5)<br>A substituição parcial de íons Fe3+ por pares de íons (Co2+-Ti4+ ou Co2+-Sn4+) na ferrita de bário hexagonal (BaFe12O19) leva a uma substancial diminuição no campo coercitivo (Hc) com uma pequena mudança na magnetização de saturação (Ms), permitindo seu uso em gravação magnética e magneto-óptica de alta densidade. Os diferentes métodos de p
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Liu, Fanmao. "Photoresponse of ferroelectric BaTiO3 thin films." Doctoral thesis, Universitat Autònoma de Barcelona, 2017. http://hdl.handle.net/10803/458535.

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BaTiO3 es un material de óxido ferroeléctrico sin plomo. BaTiO3 películas delgadas han sido ampliamente estudiados para aplicaciones de memoria debido a su efecto de memoria de carga resultante de su naturaleza ferroeléctrica. Hoy en día, la comunidad científica ha renovado su interés en BaTiO3, ya que posee características que son interesantes para áreas de rápido desarrollo como la fotovoltaica, la detección fotoeléctrica y la fotocatálisis. El objetivo principal de la presente tesis es estudiar los efectos fotoeléctricos de las películas delgadas BaTiO3 y dar luz sobre los mecanismos releva
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ALMEIDA, JUNIOR Airton Tavares De. "Caracterização da barita e do vidro cristal como atenuadores na blindagem das radiações X e Gama." Universidade Federal de Pernambuco, 2005. https://repositorio.ufpe.br/handle/123456789/9904.

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Made available in DSpace on 2014-06-12T23:16:46Z (GMT). No. of bitstreams: 2 arquivo9061_1.pdf: 1262061 bytes, checksum: 0bfd347b9846f529fcaa1f09fbfd75f9 (MD5) license.txt: 1748 bytes, checksum: 8a4605be74aa9ea9d79846c1fba20a33 (MD5) Previous issue date: 2005<br>Com objetivo de determinar as características de atenuação do minério sulfato de bário (BaSO4) e do vidro cristal utilizados como blindagem contra as radiações ionizantes X e gama, em instalações radiográficas, foi realizado um estudo de atenuação com argamassa e concreto de barita, usados, respectivamente, no revestimento de
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Gondim, Priscylla Cinthia Alves. "Desenvolvimento de bloco de veda??o com barita na composi??o de partida para blindagem de radia??o X." Universidade Federal do Rio Grande do Norte, 2009. http://repositorio.ufrn.br:8080/jspui/handle/123456789/12744.

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Made available in DSpace on 2014-12-17T14:07:02Z (GMT). No. of bitstreams: 1 PriscyllaCAGpdf.pdf: 2221940 bytes, checksum: 25a80df63d59147dc3816d52fcd0e65b (MD5) Previous issue date: 2009-08-21<br>Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico<br>This work main objective is to study the use of bricks in barium X-rays rooms in order to contribute to the optimization of shielding rooms diagnosis. The work was based on experimental measurements of X-ray attenuation (40 to 150 kV), using ceramic seal bearing the incorporation of barium sulfat (BaSO4). Different formulations were
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Zhong, Zhimin. "Combustion syntheses and characterization of Barium Titanate, Barium Tetratitanate and Lead substituted Barium Tetratitanate /." The Ohio State University, 1994. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487861396027028.

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Kudelová, Barbora. "Prekonavani barier." Master's thesis, Vysoké učení technické v Brně. Fakulta architektury, 2017. http://www.nusl.cz/ntk/nusl-316300.

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Showing the barriers in the city, which inhibit a human in its movement along the landscape. Bunch of barriers at one place can signify a problem for a human to overcome. Marking these places is also showed below the prize map which illustrates from the economic point of view the problem exists at that place and the place is not that permeable as it should be. After marking the problematic spaces and their overlook in the real world there follows a choice of one place and its particular solution. Verifying the reasons why overcoming especially this place, what are the reasons for connecting it
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Almeida, Jademir Jesus Pirapora de. "Ação da radiação de alta energia nas propriedades mecânicas de compostos elastoméricos a base de SBR carregados com barita." Universidade Presbiteriana Mackenzie, 2012. http://tede.mackenzie.br/jspui/handle/tede/1329.

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Made available in DSpace on 2016-03-15T19:36:37Z (GMT). No. of bitstreams: 1 Jademir Jesus Pirapora de Almeida.pdf: 6328511 bytes, checksum: a6b516ba7f4098781189faf6cc895d92 (MD5) Previous issue date: 2012-03-30<br>Universidade Presbiteriana Mackenzie<br>In this work were studied the action of ionizing radiation on the physical-mechanical properties in elastomeric compounds based on styrene-butadiene rubber (SBR) filled with barite, opening way for application of these composites in the protection and shield against high-energy radiation, in the form of aprons. These aprons come to substitut
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FRIMAIO, AUDREW. "Desenvolvimento de um material cerâmico para utilização em proteção radiológica diagnóstica." reponame:Repositório Institucional do IPEN, 2006. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11414.

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Made available in DSpace on 2014-10-09T12:51:38Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:08:36Z (GMT). No. of bitstreams: 1 11345.PDF: 3947420 bytes, checksum: a67742a2939ab92c6ea3c83950452caf (MD5)<br>Dissertacao (Mestrado)<br>IPEN/D<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
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Rai, Maha. "Molecular dynamics modelling of barium silicate and barium fluorozirconate glasses." Thesis, University of Kent, 2018. https://kar.kent.ac.uk/66702/.

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Advancement in science and technology has profoundly depended on new types of glass innovation. The glasses that were studied in this project are binary barium silicate glasses, binary barium fluorozirconate glasses, ZBLAN glasses and 〖Eu〗^(3+) doped ZBLAN glass (the ZBLAN glasses are based on binary barium fluorozirconate glass). The high atomic number of barium in the barium silicate glasses provides high mass and high electron density providing its applications for heat and X-ray shielding. The phenomena such as phase separation in the barium silicate glass will affect its properties of dur
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Kinsey-Nielsen, Susan Mary. "HIGH-RESOLUTION LASER SPECTROSCOPY OF BARIUM-MONOHYDROXIDE AND BARIUM-MONODEUTEROXIDE." Thesis, The University of Arizona, 1985. http://hdl.handle.net/10150/292080.

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Livros sobre o assunto "Baritō"

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Henshūshitsu, Chikyū no Arukikata, ed. Baritō: Bali. Daiyamondo Biggusha, 2005.

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Henshūshitsu, Chikyū no Arukikata, ed. Baritō: Bali. Daiyamondo Biggusha, 2007.

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3

Toshokan, Kunitachi Ongaku Daigaku. Baritō no geinō shiryō shozō mokuroku. Kunitachi Ongaku Daigaku Fuzoku Toshokan, 1991.

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4

Bijutsukan, Fukuoka-shi. Egakareta maryoku: 1930-nendai Baritō Batuan no kaigaten = Images of power : Balinese paintings made for Gregory Bateson and Margaret Mead. Fukuoka-shi Bijutsukan, 1995.

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Ober, Joyce A. Barite. [U.S. Department of Interior, Bureau of Mines], 1990.

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Searls, James P. Barite. U.S. Department of the Interior, Bureau of Mines, 1993.

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Petrovich, Petrov Valentin, Delit͡s︡in I. S, and Nauchnyĭ sovet po rudoobrazovanii͡u︡ (Akademii͡a︡ nauk SSSR), eds. Barit. "Nauka", 1986.

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8

Berg, Richard B. Barite in Montana. Montana Bureau of Mines and Geology, Dept. of Montana College of Mineral Science and Technology, 1988.

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(Indonesia), Barito Selatan, ed. Barito Selatan selayang pandang. Pemerintah Kabupaten Barito Selatan, 2000.

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A, Silva Michael. Mineral commodity report, barite. California Dept. of Conservation, Division of Mines and Geology, 1985.

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Capítulos de livros sobre o assunto "Baritō"

1

Rothwell, R. G. "Barite." In Minerals and Mineraloids in Marine Sediments. Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-1133-8_5.

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Gooch, Jan W. "Barite." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_1057.

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Heubeck, Christoph. "Barite." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-44185-5_5233.

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Heubeck, Christoph. "Barite." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/978-3-662-65093-6_5233.

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White, William M. "Barium." In Encyclopedia of Earth Sciences Series. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-39193-9_79-1.

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White, William M. "Barium." In Encyclopedia of Earth Sciences Series. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-39312-4_79.

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Pohling, Rolf. "Barium." In Chemische Reaktionen in der Wasseranalyse. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-36354-2_4.

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Bourgeois, Marie M. "Barium." In Hamilton & Hardy's Industrial Toxicology. John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781118834015.ch08.

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Gooch, Jan W. "Barium." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_1058.

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Brookins, Douglas G. "Barium." In Eh-pH Diagrams for Geochemistry. Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73093-1_60.

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Trabalhos de conferências sobre o assunto "Baritō"

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Middleton, Julia, Adina Paytan, and Tristan J. Horner. "Barium-Isotopic Signatures of Barite Diagenesis." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.1796.

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Middleton, Julia, Adina Paytan, Mak Saito, and Tristan Horner. "Barium Isotope Signatures of Barite Diagenesis." In Goldschmidt2021. European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.5509.

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Doldersum, A., and S. Baraka-Lokmane. "Effect of Water Salinity on Barium Sulfate Formation in the Context of Gas Wells in the Dutch Sector of the North Sea." In SPE Oilfield Scale Symposium. SPE, 2024. http://dx.doi.org/10.2118/218712-ms.

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Abstract Operator has several gas wells which encountered barium sulfate scale. In one instance this had resulted in a complete blockage of the well and in another well not being able to perform a planned well intervention. This paper will present the investigation of the mechanism of formation of scales in combination with an overview of laboratory and field data on how to treat the barium scales. The production water of one of the wells is characterised by a very high salinity level close to saturation in combination with presence of barium, strontium, calcium, carbonate, and sulfate. The ev
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Middleton, Jule, Adina Paytan, and Tristan Horner. "Barium isotope fractionation during ion exchange at the barite-fluid interface: Implications for barium cycling in seawater." In Goldschmidt2022. European Association of Geochemistry, 2022. http://dx.doi.org/10.46427/gold2022.12345.

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Wang, Xu, Salima Baraka-Lokmane, and Eric Mackay. "Impact of Reservoir on Relaxation of Requirement for SRP Whilst Protecting Production - Reactive Transport Modelling for a Mature Offshore Field." In SPE Oilfield Scale Symposium. SPE, 2024. http://dx.doi.org/10.2118/218729-ms.

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Abstract Injection of Low Sulphate Seawater (LSSW) is widely used to reduce the barite scaling risk. LSSW may be used in addition to Produced Water Re-Injection (PWRI). LSSW injection may no longer be required when the barium concentrations in the produced water decline. This study investigates the timing and degree of relaxation of the output sulphate concentration from a Sulphate Reduction Plant (SRP) required to minimize the barite risk, accounting for the impact of PWRI. Reactive transport modelling is used to calculate brine mixing and in situ precipitation. The output of these calculatio
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Raja Sahar, Raja Nor Rafidah, Wan Amni W Mohamad, Ema Farima Rustam Ali Khan, and Siti Aishah Mohd Hatta. "Selection of Barium Sulphate/Barite Dissolver Chemical through Establishment of Standard Laboratory Screening Protocols." In Abu Dhabi International Petroleum Exhibition & Conference. Society of Petroleum Engineers, 2019. http://dx.doi.org/10.2118/197251-ms.

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Mahmoodi, Pouria, Jan M. Peter, Abdorrahman Rajabi, and Ebrahim Rastad. "Geological and textural characteristics as evidence for Irish-type mineralization in the Eastern Haft-Savaran deposit." In Irish-type Zn-Pb deposits around the world. Irish Association for Economic Geology, 2023. http://dx.doi.org/10.61153/pxze7581.

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The Eastern Haft-Savaran Zn-Pb-(Ba) deposit, located in the southeastern part of the Arak Mining District of the Malayer-Esfahan Metallogenic Belt, Iran, is hosted in the uppermost part of an early Cretaceous massive limestone unit that is capped by shale. The mineralization has a sheet-like geometry and is associated with intense dolomitization and silicification. The mineralization is mineralogically zoned: chalcopyrite-galena-pyrite-sphalerite-tetrahedrite occurs in the southern part of the deposit; sphalerite-galena-pyrite occurs in the central part of the deposit; and barite-galena-sphale
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Yue, Zhiwei David, Andrew Slocum, Xiaohong Lucy Tian, Linping Ke, Megan Westerman, and John Hazlewood. "An Integrated Scale Protection Package for Offshore Fractured Wells Under Designed Shut-In Extension." In SPE International Conference on Oilfield Chemistry. SPE, 2021. http://dx.doi.org/10.2118/204363-ms.

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Abstract After fracturing, it is common practice to leave offshore wells shut-in from days to weeks for operational purposes. During the recent historic decline of demand for global crude, a trend has been witnessed to shut in even newly fractured wells under design for an extended period. The cause of these extended shut-ins can be attributed to various factors including operational logistics as well as economic factors. The shut-in extension brings some unique scaling challenges for well designs. In this paper, an integrated scale inhibitor (SI)/fracturing fluid package is presented with det
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Slocum, Andrew, Zhiwei David Yue, Linping Ke, et al. "Case Studies of Novel Seawater-Based FracPac Fluid Used in DeepWater Gulf of Mexico with Barium-Rich Formation Fluids Present." In SPE Oilfield Scale Symposium. SPE, 2024. http://dx.doi.org/10.2118/218713-ms.

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Abstract Injecting seawater into producing formations with barium-rich formation water has been avoided for decades due to concerns of barium sulfate scale formation impairing production. The local barium-rich formations unfortunately bring immediate scaling risk due to severe tendencies to form barite when the seawater sulfate contacts barium-rich formation waters. This scaling challenge has driven the industry to utilize freshwater-based fluids for most completions operations which include fracturing and other sand control methods. As multizone completions have increased in frequency over th
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Ofei, Titus Ntow, Bjørnar Lund, Arild Saasen, et al. "Barite Sag Measurements." In IADC/SPE International Drilling Conference and Exhibition. Society of Petroleum Engineers, 2020. http://dx.doi.org/10.2118/199567-ms.

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Relatórios de organizações sobre o assunto "Baritō"

1

Turner, R. J. W., and W. D. Goodfellow. Barium Carbonate Bodies Associated With the Walt [Cathy] Stratiform Barium Deposit, Selwyn Basin, Yukon: a Possible Vent Complex Associated With a Middle Devonian Sedimentary Exhalative Barite Deposit. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1990. http://dx.doi.org/10.4095/131402.

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2

Collings, R. K., and P. R. A. Andrews. Summary report no. 1: barite. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1988. http://dx.doi.org/10.4095/307284.

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Harris, Michael J. Barite flotation; El Cuervo Butte. New Mexico Bureau of Geology and Mineral Resources, 1988. http://dx.doi.org/10.58799/ofr-336.

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4

Scanlan, E. J., M. Leybourne, D. Layton-Matthews, A. Voinot, and N. van Wagoner. Alkaline magmatism in the Selwyn Basin, Yukon: relationship to SEDEX mineralization. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328994.

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Several sedimentary exhalative (SEDEX) deposits have alkaline magmatism that is temporally and spatially associated to mineralization. This report outlines interim data from a study of potential linkages between magmatism and SEDEX mineralization in the Selwyn Basin, Yukon. This region is an ideal study site due to the close spatial and temporal relationships between SEDEX deposits and magmatism, particularly in the MacMillan Pass, where volcanic rocks have been drilled with mineralization at the Boundary deposit. Alkaline volcanic samples were analysed from the Anvil District, MacMillan Pass,
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Stack, Andrew G. Reaction mechanisms for barite dissolution and growth. Office of Scientific and Technical Information (OSTI), 2010. http://dx.doi.org/10.2172/1107642.

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Liseroudi, M. H., O. H. Ardakani, P. K. Pedersen, R. A. Stern, J M Wood, and H. Sanei. Diagenetic and geochemical controls on H2S distribution in the Montney Formation, Peace River region, western Canada. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/329785.

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The Lower Triassic Montney Formation is a major siltstone dominated unconventional tight gas play in the Western Canadian Sedimentary Basin (WCSB). In the Peace River region, the Montney Formation contains a regionally variable amount of hydrogen sulfide (H2S) in gas-producing wells with western Alberta's wells having the highest concentrations. Previous studies on the source and distribution of H2S in the Montney Formation mainly focused on variations of H2S concentration and its relationship with other hydrocarbon and non-hydrocarbon gases, sulfur isotope composition of H2S, as well as organ
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7

Simandl, G. J., R. J. D'Souza, S. Paradis, and J. Spence. Rare-earth element content of carbonate minerals in sediment-hosted Pb-Zn deposits, southern Canadian Rocky Mountains. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/328001.

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Paleozoic platform carbonate rocks of the Rocky Mountains host Mississippi Valley-type (MVT), magnesite, barite, and REE-barite-fluorite deposits. Farther west, platform carbonate rocks of the Kootenay Arc host MVT and fracture-controlled replacement (FCR) deposits. This is the first systematic LA-ICP-MS study of carbonates in MVT and FCR deposits. We investigated seven MVT deposits in the Rocky Mountains, and five MVT deposits in the Kootenay Arc. None of the post-Archean Australian shale (PAAS)-normalized REE profiles show light REE (LREE) depletion and strong negative Ce anomalies character
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Michael Holmes, Carolyn Nyberg, Katie Brandt, Kurt Eylands, Nathan Fiala, and Grant Dunham. Subtask 1.23 - Mercury Removal from Barite the Oil Industry. Office of Scientific and Technical Information (OSTI), 2008. http://dx.doi.org/10.2172/986898.

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Ballestero, Florencio. Una evaluación de la homogeneidad macroeconómica y del desarrollo de la región centroamericana. Inter-American Development Bank, 1998. http://dx.doi.org/10.18235/0011975.

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En relación con los países desarrollados, las ventajas comparativas de la región centroamericana se encuentran en procesos productivos de uso intensivo de mano de obra barata y recursos naturales. Sin embargo, evaluadas las ventajas regionales en un contexto mundial, también la región enfrenta la competencia de muchos otros países y regiones con el mismo tipo de ventajas comparativas respecto a los países desarrollados. La región centroamericana, por otro lado, posee, respecto a sus competidores en el mundo, una ventaja comparativa adicional para atraer procesos productivos de uso intensivo de
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Macdonald, A. S. Lake Ainslie barite-fluorite veins, Cape Breton Island, Nova Scotia. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1999. http://dx.doi.org/10.4095/210474.

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