• Environmental Science & Technology | Ahead of Print

    PP (32.9–69.9%) and PE (21.3–44.3%) NPs were the dominant components in both surface water and groundwater, although there were significant differences in the pollution levels attributed to the filtration efficiency of riverbank, with total mass concentrations of 0.283–0.793 μg/L (SW) and 0.021–0.203 μg/L (GW).Minerals | Free Full-Text | Experimental Setup for …2022-6-3 · Rock swelling and rock disintegration in the presence of drilling, stimulation and completion fluids are considered to be the main reasons for operational and production problems for wells in clay-rich formations. The impact of these fluids on rock properties shall be established for the effective treatment design. This paper describes the development of the experimental …

  • Sustainability | Free Full-Text | Seasonal Variation of the

    2021-6-8 · Metal mobility and toxicity of the municipal solid waste incineration (MSWI) fly ash from different seasons in Beijing were studied using leaching toxicity procedures, sequential extraction procedures, and bioavailability procedures. The X-ray diffraction results showed that MSWI fly ash contained CaSO4, CaCO3, and KCl. The Pb, Zn, and Cd contents of MSWI fly ash were high, …Early-Middle Permian carbon-isotope stratigraphy of …2021-11-18 · The Early-Middle Permian δ13Ccarb variations are recorded by the marine carbonates of the Luduba section in the northern margin of the South China Block. The investigated interval (~ 300 m) spans the Chihsia and Maokou formations. Preservation of the investigated micritic carbonates was evaluated by multiple petrographic and geochemical …

  • Bastnäsite Group: Mineral information, data and localities.

    Closely related to the Ancylite Group. F-enriched species in this group can form in an environment relatively low in F content, whereas OH-species are rare and occur only in low-temperature environments essentially devoid of F (Hsu, 1992). The most common member of this group is bastnäsite- (Ce).Environmental Science & Technology | Ahead of PrintPP (32.9–69.9%) and PE (21.3–44.3%) NPs were the dominant components in both surface water and groundwater, although there were significant differences in the pollution levels attributed to the filtration efficiency of riverbank, with total mass concentrations of 0.283–0.793 μg/L (SW) and 0.021–0.203 μg/L (GW).

  • Biotechnological Applications of Eggshell: Recent Advances

    2021-7-6 · Egg Market. Chicken eggs are a vital part of the daily human diet worldwide and serve as a cost-effective and high-quality nutritious food (Ahmed et al., 2019a) industrialized countries, about 30% of shell eggs are redirected to breaker processing plants to produce liquid egg products, and are not consumed as shell eggs (Cordeiro and Hincke, 2011; Ahmed et al., …Geochimica et Cosmochimica Acta - Academic AcceleratorMeteoritics and meteorite impacts 7). Lunar science; and 8). Planetary geochemistry. Geochimica et Cosmochimica Acta (GCA) is a biweekly peer-reviewed scientific journal published by Elsevier. It was established in 1950 and is sponsored by the Geochemical Society and the Meteoritical Society. The editor-in-chief is Jeffrey Catalano (Washington ...

  • Paleokarst and reservoirs of the Huanglong Formation in …

    The Halahatang area has become a key region for petroleum exploration in the Tarim Basin in recent years owing to its well-developed and extremely …Experimental investigation on hydration mechanism of …2021-6-1 · The SEM images of the shale before and after immersedinto water were presented in Fig. 3 with a magnification of 3000 times. The shale before water immersion exhibited a relatively complete surface (Fig. 3a).After water immersion, a hole with a diameter of 3.80 μm appeared at position 1 in the shale and the length of the micro-crack increases from 3.79 μm …

  • Remote Sensing | Free Full-Text | Integrated Hyperspectral …

    2019-8-23 · The Goldstrike district in southwest Utah is similar to Carlin-type gold deposits in Nevada that are characterized by sediment-hosted disseminated gold. Suitable structural and stratigraphic conditions facilitated precipitation of gold in arsenian pyrite grains from ascending gold-bearing fluids. This study used ground-based hyperspectral imaging to study a core …Pore Structure Characteristics and Their Controlling …Recently, deep shale reservoirs are emerging as time requires and commence occupying a significant position in the further development of shale gas. However, the understanding of pore characteristics in deep shale remains poor, prohibiting accurate estimation of the hydrocarbon content and insights into fluid mobility. This study focuses on the Longmaxi Formation from the …

  • Pyrochlore Group: Mineral information, data and localities.

    The nomenclature was recently revised by Atencio et al. (2010) and Christy and Atencio (2013). ... Pan B, Yan C (2014) Hydroxycalciopyrochlore, a new mineral species from Sichuan, China Acta Geologica Sinica 88 748-753: 2014: Maoniuping mine, Mianning County, Xichang prefecture, Sichuan Province, China ... Extrusive calcite carbonatite from ...Bastnäsite Group: Mineral information, data and localities.Closely related to the Ancylite Group. F-enriched species in this group can form in an environment relatively low in F content, whereas OH-species are rare and occur only in low-temperature environments essentially devoid of F (Hsu, 1992). The most common member of this group is bastnäsite- (Ce).

  • Multiscale mechanical properties of shales: grid

    2021-8-2 · The mechanical properties of shales, a type of heterogeneous and multiphase composite, are of multiscale characteristics in nature. A large number of indentation measurements were performed under the continuous stiffness measurement (CSM) mode on the Longmaxi shale, followed by data segmentation, Gaussian mixture modeling (GMM) …Pyrochlore Group: Mineral information, data and localities.The nomenclature was recently revised by Atencio et al. (2010) and Christy and Atencio (2013). ... Pan B, Yan C (2014) Hydroxycalciopyrochlore, a new mineral species from Sichuan, China Acta Geologica Sinica 88 748-753: 2014: Maoniuping mine, Mianning County, Xichang prefecture, Sichuan Province, China ... Extrusive calcite carbonatite from ...

  • Probing the hydrophobic mechanism of N-[(3 …

    2020-7-15 · The bastnaesite samples were obtained from Mianning, Sichuan Province. Calcite and quartz samples were bought from commercial mineral companies. After grinding in a porcelain mill, the mineral samples were sifted and classified . The particles with sizes of −0.074 to +0.037 mm were selected for micro flotation, while those with a diameter <0 ...The effects of calcite and montmorillonite on oil cracking …2010-7-1 · The crude oil sample used for this study was collected from the oil column in Ordovician strata (4700–4758 m) in the TZ62 well in the Tazhong Uplift of the Tarim Basin, China.The current geothermal gradient in this regional is very low, ranging from 18–21 °C/km (Fan et al., 1990).The current temperature of the oil reservoir is <115 °C, too low for oil to be …

  • Carbon and oxygen isotopic analyses of calcite in calcite …

    RATIONALE Carbon and oxygen isotopic compositions of individual minerals in calcite–dolomite mixtures could be measured using selective acid extraction technique based on …Analysis of cutting forces and chip formation in milling of …2020-6-14 · In this study, high-speed milling of marble was conducted with a coated carbide ball nose end mill. Single-factor cutting tests were designed to investigate the effect of milling parameters on cutting forces and marble chips. It was found that the cutting forces in three directions increased with the increasing feed rate and decreased with the increasing cutting …

  • Multiscale mechanical properties of shales: grid

    2021-8-2 · The mechanical properties of shales, a type of heterogeneous and multiphase composite, are of multiscale characteristics in nature. A large number of indentation measurements were performed under the continuous stiffness measurement (CSM) mode on the Longmaxi shale, followed by data segmentation, Gaussian mixture modeling (GMM) …Reservoir NO3− pollution and chemical weathering: by …2022-1-25 · Reservoir dams alter the nutrient composition and biogeochemical cycle. Thus, dual isotopes of δ18O-NO3− and δ15N-NO−3 and geochemical signatures were employed to study the NO3− pollution and chemical weathering in the Three Gorges Reservoir (TGR), China. This study found that the TGR dam alters the δ15N-NO3− composition and is enriched in the recharge …

  • (PDF) Grunwald et al (2015) AA.pdf | Sabine Grunwald

    Academia is a platform for academics to share research papers. Grunwald et al (2015) AA.pdf ... Grunwald et al (2015) AA.pdf. Sabine Grunwald. Download Download PDF. Full PDF Package Download Full PDF Package. This Paper. A short summary of this paper. 37 Full PDFs related to this paper.Publications | Energy Technologies Area PublicationsSearch form. Search . All Publications; Authors; Keywords

  • Publications | Energy Technologies Area Publications

    Search form. Search . All Publications; Authors; Keywords(PDF) Grunwald et al (2015) AA.pdf | Sabine GrunwaldAcademia is a platform for academics to share research papers. Grunwald et al (2015) AA.pdf ... Grunwald et al (2015) AA.pdf. Sabine Grunwald. Download Download PDF. Full PDF Package Download Full PDF Package. This Paper. A short summary of this paper. 37 Full PDFs related to this paper.

  • (PDF) Grunwald et al (2015) AA.pdf | Sabine Grunwald

    Academia is a platform for academics to share research papers. Grunwald et al (2015) AA.pdf ... Grunwald et al (2015) AA.pdf. Sabine Grunwald. Download Download PDF. Full PDF Package Download Full PDF Package. This Paper. A short summary of this paper. 37 Full PDFs related to this paper.()2017-11-7 · Optimal design of jet mill bit for jet comminuting cuttings in horizontal gas drilling hard formations 587-593 (1) MOE Key Laboratory of Petroleum Engineering, China University of Petroleum-Beijing, Beijing; 102249, China; (2) Department of Petroleum Engineering, University of Louisiana at Lafayette, Lafayette; LA; 70504, United States

  • Minerals | Free Full-Text | Experimental Setup for …

    2022-6-3 · Rock swelling and rock disintegration in the presence of drilling, stimulation and completion fluids are considered to be the main reasons for operational and production problems for wells in clay-rich formations. The impact of these fluids on rock properties shall be established for the effective treatment design. This paper describes the development of the experimental …Search: Microresistivity logs | SPEIn the slim-hole wells, the high-definition oil-based microresistivity image logs provided a new solution to predict possible tight gas sandstone reservoirs from different paleo-current energy deposits in the Cretaceous Bashijiqike Formation. OnePetro. doi: 10.15530/urtec-2020-2689.

  • Valorizing Rice Straw and Its Anaerobically Digested …

    To seek a new path to valorize rice straw (RS) and its anaerobically digested residues (DRS), biochar production at different temperatures for removing Pb(II) from aqueous solution and its basic physicochemical characteristics for elucidating potentially adsorption mechanisms were investigated. Overall, pH, electrical conductivity (EC), ash, specific surface area (SA), …Minerals | Free Full-Text | Experimental Setup for …2022-6-3 · Rock swelling and rock disintegration in the presence of drilling, stimulation and completion fluids are considered to be the main reasons for operational and production problems for wells in clay-rich formations. The impact of these fluids on rock properties shall be established for the effective treatment design. This paper describes the development of the experimental …

  • Quartz types and origins in the paleozoic Wufeng …

    2019-8-1 · The Sichuan Basin, covering approximately 180000 km 2, is tectonically developed on the Upper Yangtze Craton and located in the southwestern part of China (Zhao et al., 2017a; Nie et al., 2019).This basin has experienced Caledonian, Hercynian, Indosinian, Yanshanian, and Himalayan tectonic movements and can be divided into several tectonic units, including the …Feedstocks study on CO2 mineralization technology2016-4-1 · The concept has attracted much interest in China and abroad (Editors 2015a, b; Ni 2014; Xie et al. 2015b, c).However, a number of questions have been raised as to whether the mineralization process can generate generous amounts of electricity and alkaline feedstock for the chemical industry, and how much CO 2 can be sequestered by this method. The main …

  • Pore Structure Characteristics and Their Controlling …

    Recently, deep shale reservoirs are emerging as time requires and commence occupying a significant position in the further development of shale gas. However, the understanding of pore characteristics in deep shale remains poor, prohibiting accurate estimation of the hydrocarbon content and insights into fluid mobility. This study focuses on the Longmaxi Formation from the …China Top 10 Ball Mill Magnetic Separator - ieslila 2021-7-23 · China. Main Products ... Ball Mill,Magnetic Separator,Flotation Machine,Jaw Crusher,Milling Machine. Total Revenue US10 Million - US50 Million. Top 3 Markets ... Top 3 Markets. Southeast Asia 135 North America 125 Domestic Market 121 Africa 87 South America 86 Western Europe 82. China Superfine Pulverizer Manufacturers And Factory

  • Feedstocks study on CO2 mineralization technology

    2016-4-1 · The concept has attracted much interest in China and abroad (Editors 2015a, b; Ni 2014; Xie et al. 2015b, c).However, a number of questions have been raised as to whether the mineralization process can generate generous amounts of electricity and alkaline feedstock for the chemical industry, and how much CO 2 can be sequestered by this method. The main …-《》2022-4-29 · . 《》 [ISSN: 0379-1726 /CN: 44-1398/P ] : 51 : 202202 : 161-175 : : 2022-04-29. Title: Zinc isotope geochemistry and its applications: A critical review. : 0379-1726 (2022)02-0161-15. : , ...

  • Reservoir NO3− pollution and chemical weathering: by …

    2022-1-25 · Reservoir dams alter the nutrient composition and biogeochemical cycle. Thus, dual isotopes of δ18O-NO3− and δ15N-NO−3 and geochemical signatures were employed to study the NO3− pollution and chemical weathering in the Three Gorges Reservoir (TGR), China. This study found that the TGR dam alters the δ15N-NO3− composition and is enriched in the recharge …Multiscale mechanical properties of shales: grid2021-8-2 · The mechanical properties of shales, a type of heterogeneous and multiphase composite, are of multiscale characteristics in nature. A large number of indentation measurements were performed under the continuous stiffness measurement (CSM) mode on the Longmaxi shale, followed by data segmentation, Gaussian mixture modeling (GMM) …

  • Search: Microresistivity logs | SPE

    In the slim-hole wells, the high-definition oil-based microresistivity image logs provided a new solution to predict possible tight gas sandstone reservoirs from different paleo-current energy deposits in the Cretaceous Bashijiqike Formation. OnePetro. doi: 10.15530/urtec-2020-2689 ina Top 10 Ball Mill Magnetic Separator - ieslila 2021-7-23 · China. Main Products ... Ball Mill,Magnetic Separator,Flotation Machine,Jaw Crusher,Milling Machine. Total Revenue US10 Million - US50 Million. Top 3 Markets ... Top 3 Markets. Southeast Asia 135 North America 125 Domestic Market 121 Africa 87 South America 86 Western Europe 82. China Superfine Pulverizer Manufacturers And Factory

  • Wei Zeng''s research works | Chengdu University Of …

    Wei Zeng''s 71 research works with 337 citations and 2,135 reads, including: The doping effects on antibonding states and carriers of two-dimensional PC6Pore Structure Characteristics and Their Controlling …Recently, deep shale reservoirs are emerging as time requires and commence occupying a significant position in the further development of shale gas. However, the understanding of pore characteristics in deep shale remains poor, prohibiting accurate estimation of the hydrocarbon content and insights into fluid mobility. This study focuses on the Longmaxi Formation from the …

  • Geochemical characteristics of source rocks in the Lower ...

    2017-11-7 · Abstract: High-quality source rock is closely related to the development of hydrothermal sedimentation in geochemistry and others studying the characteristics of the source rocks of Lower Cambrian Niutitang Formation in Guizhou Province,it is found that the strata were affected by both terrigenous input and hydrothermal sedimentation.The total …Reservoir NO3− pollution and chemical weathering: by …2022-1-25 · Reservoir dams alter the nutrient composition and biogeochemical cycle. Thus, dual isotopes of δ18O-NO3− and δ15N-NO−3 and geochemical signatures were employed to study the NO3− pollution and chemical weathering in the Three Gorges Reservoir (TGR), China. This study found that the TGR dam alters the δ15N-NO3− composition and is enriched in the recharge …

  • Surface interactions and flotation behavior of calcite, …

    2022-5-6 · The surface interactions and adsorption mechanism of alkyl hydroxamic acid bearing collectors and sodium silicate depressant on common carbonatite gangue minerals, including calcite, dolomite and ...Ethno-veterinary survey of medicinal plants in Ruoergai …2012-7-13 · It is located in the northwestern part of Sichuan province and the northeastern edge of Qinghai-Tibet plateau between 32°56′ to 34°19′ North Latitude, and 102°08′ to 103°39′ East Longitude with an average altitude of 3500 m, and embraces 17 towns and 96 villages with 10,620 km 2 of total area.

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