Showing 2,221 - 2,240 results of 2,575 for search '"rock ', query time: 0.05s Refine Results
  1. 2221

    Uncertainty Analysis of Biogas Generation and Gas Hydrate Accumulations in the Baiyun Sag, South China Sea by Pibo Su, Jinqiang Liang, Huai Cheng, Yaoyao Lv, Wei Zhang, Zuofei Zhu

    Published 2024-12-01
    “…In addition to the thermal conditions of the source rock or sediment, the nature of the organic matter is another crucial factor. …”
    Get full text
    Article
  2. 2222

    Influence of Two Cooling Methods on Dynamic Mechanical Properties of High Temperature Sandstone by Qi Ping, Qi Diao, Dezhi Qi, Chen Wang, Chuanliang Zhang

    Published 2021-01-01
    “…To study the influence of different cooling methods on dynamic mechanical properties of high temperature rock, both natural cooling and water cooling were used to cool high temperature (100°C∼1000°C) coal mine sandstone to room temperature (20°C). …”
    Get full text
    Article
  3. 2223

    Numerical Test Study of the Microscale Failure Modes and Fractal Analysis of Lower Cambrian Shale Based on Digital Images by Hengtao Cui, Zhonghu Wu, Liping Li, Jing Wang, Shuguang Song, Shangqu Sun, Yujun Zuo, Hao Liu, Yili Lou

    Published 2020-01-01
    “…Since the development of fractal theory provides a new space for studying the damage and fracture of rocks, the damage evolution and failure process of shale can also be regarded as the fractal process of cracks, in which the fractal dimension is the core parameter. …”
    Get full text
    Article
  4. 2224

    Preparation and Performance Analysis of High-Viscosity and Elastic Recovery Modified Asphalt Binder by Liangchen Qu, Yingli Gao, Hui Yao, Dandan Cao, Ganpeng Pei, Bei He, Kairui Duan, Wenjuan Zhou

    Published 2019-01-01
    “…The performance of styrene-butadiene-styrene (SBS), rock asphalt (RA), crumb rubber (CR), and stabilizing agent (SA) for different modifiers was investigated by conventional binder test. …”
    Get full text
    Article
  5. 2225

    Genetic Types and Main Control Factors of Microfractures in Tight Oil Reservoirs of Jimsar Sag by Xiangye Kong, Jianhui Zeng, Xianfeng Tan, Haowei Yuan, Dan Liu, Qun Luo, Qianyou Wang, Rusi Zuo

    Published 2021-01-01
    “…Microfractures are key for migrating and aggregating hydrocarbon source rocks and fracturing oil-gas exploitation in tight reservoirs. …”
    Get full text
    Article
  6. 2226

    A Supporting Design Method When Longwall FaceStrides across and Passes through a Roadway by Weidong Pan, Xinyuan Li, YiWei Li, Xiaobin Li, Qing Qiao, Haoran Gong

    Published 2020-01-01
    “…A roadway supporting design method, consisting of a model using to determine the minimal rock strata thickness and a segmental supporting scheme, is developed. …”
    Get full text
    Article
  7. 2227

    One-hectare fine-scale dataset of a fynbos plant community in the Cape Floristic RegionZenodo by Jan-Hendrik Keet, Cang Hui

    Published 2025-04-01
    “…Total percentage covers were also recorded for bare soil, rock, and termite mounds. This dataset provides a valuable contribution to the field of fynbos ecology, as well as plant community ecology in general, and establishes a benchmark for future one-hectare surveys of similar fynbos vegetation types, delineating the fine-scale composition and structure of fynbos in the CFR. …”
    Get full text
    Article
  8. 2228

    Investigation of the Operations of Open Pit Iron Mineralization for Acid Mine Drainage (Adana/Saimbeyli) by Ayşe Dokuzlar, Nil Yapıcı

    Published 2021-01-01
    “…The paragenesis of the mineralization was composed of hematite, gothite siderite and limonite, while constitutes dolomite, calcite and pyrite minerals constitute the host rock. According to the results of the analysis performed on the host rocks, % total S: 0.21-0.42, NP (∑NP (kg/ton)): 289.07-478.07, APP sulfuric acid equivalents (kg / ton): 13, 13- 26.25 were determined. …”
    Get full text
    Article
  9. 2229
  10. 2230

    Comparative Study on the Evolution of Airflow Temperature and Valid Ventilation Distance Under Different Cooling Strategies in High-Temperature Tunnels for Mining Thermal Energy by Fangchao Kang, Jinlong Men, Binbin Qin, Guoxi Sun, Ruzhen Chen, Weikang Zhang, Jiamei Chen, Zhenpeng Ye

    Published 2025-01-01
    “…Our findings indicate that (1) the TIL-HE strategy demonstrates superior cooling performance, resulting in significantly lower airflow temperatures and markedly higher VVD; (2) higher water velocity and more heat exchangers contribute to lower airflow temperature and prolonged VVD; (3) positioning the heat exchangers within the surrounding rock rather than inside the insulation layer leads to even lower airflow temperature and longer VVD. …”
    Get full text
    Article
  11. 2231

    Investigation into the Pore Structure and Multifractal Characteristics of Shale Reservoirs through N2 Adsorption: An Application in the Triassic Yanchang Formation, Ordos Basin, Ch... by Zhikai Liang, Zhenxue Jiang, Zhuo Li, Fenglin Gao, Xiaoqing Liu

    Published 2021-01-01
    “…The TOC of SM and MS lithofacies exhibits a close correlation with Δα, suggesting that the pores in organic matter are dominated by those nanopores with a complex and heterogeneous pore structure. The rock composition of the lithofacies can affect Δα to a varying extent, which means that the minerals have an evident impact on the heterogeneity of MS and SM lithofacies.…”
    Get full text
    Article
  12. 2232

    U–Pb Dating and Hf Isotopes Analysis of Detrital Zircons of the Shanxi Formation in the Otuokeqi Area, Northwestern Ordos Basin by Jiaxuan Song, Hujun Gong, Jingli Yao, Huitao Zhao, Xiaohui Zhao, Yunxiang Zhang, Biao Chen

    Published 2021-01-01
    “…The third and fourth groups of detrital zircons mainly come from Paleozoic magmatic rocks formed by the subduction and collision of the Siberian plate and the North China plate. …”
    Get full text
    Article
  13. 2233

    Outcomes of the Paul Glaucoma Implant in Refractory Secondary Glaucoma by Khodeiry MM, Hassan AK, Elhusseiny AM, Lee RK, Sayed MS

    Published 2025-01-01
    “…Mohamed M Khodeiry,1,2 Amr K Hassan,3 Abdelrahman M Elhusseiny,4 Richard K Lee,2 Mohamed S Sayed5,6 1Department of Ophthalmology and Visual Sciences, University of Louisville, Louisville, KY, USA; 2Department of Ophthalmology, Bascom Palmer Eye Institute University of Miami Miller School of Medicine, Miami, FL, USA; 3Department of Ophthalmology, South Valley University, Qena, Egypt; 4Department of Ophthalmology, Jones Eye Institute, University of Arkansas for Medical Sciences, Little Rock, AR, USA; 5Department of Ophthalmology, Cleveland Clinic Abu Dhabi, Abu Dhabi, United Arab Emirates; 6Department of Ophthalmology, Moorfields Eye Hospital Dubai, Dubai Healthcare City, Dubai, United Arab EmiratesCorrespondence: Mohamed S Sayed, Department of Ophthalmology, Cleveland Clinic Abu Dhabi, Abu Dhabi, United Arab Emirates, Email msayed82@hotmail.comPurpose: To evaluate the efficacy and safety of the Paul Glaucoma Implant (PGI) surgery in patients with secondary glaucomas.Patients and Methods: Retrospective chart review of adult patients with medically recalcitrant secondary glaucoma who underwent PGI implantation at a single tertiary center between August 2022 and June 2023. …”
    Get full text
    Article
  14. 2234

    Spatial and depth distribution of salinity and nitrate in a depleted alluvial aquifer (Haouz plain, Morocco) by Hamza Sahraoui, Younes Fakir, Houssne Bouimouass, Sarah Tweed, Marc Leblanc, Rabia Benaddi, Abdelghani Chehbouni

    Published 2025-02-01
    “…It was found that (i) groundwater was moderately affected by salinity and nitrate, (ii) the dominant hydrochemical factors are rock weathering, halite dissolution, and reverse ion exchange, and (iii) the nitrate contamination is higher in shallow groundwater but it was detected at all depths. …”
    Get full text
    Article
  15. 2235

    Mechanism and Evolution Control of Wide Coal Pillar Bursts in Multithick Key Strata by Wenhao Guo, Anye Cao, Chengchun Xue, Yang Hu, Songwei Wang, Qian Zhao

    Published 2021-01-01
    “…The stress concentration is extensively promoting a high-risk area for rock burst. (3) The coal pillar burst was induced by the superposition of energy released by the key strata breaking and the elastic energy accumulated in the wide coal pillar. (4) The monitoring data showed that the long, medium, and short periodic weighting steps of multithick key strata are 141.6 m, 43.2–49.6 m, and 17.6–27.2 m, respectively. …”
    Get full text
    Article
  16. 2236

    GEOINFORMATION TECHNOLOGIES IN THE TRAINING OF FUTURE MINING ENGINEERS by Vladimir S. Morkun, Serhiy O. Semerikov, Svitlana M. Hryshchenko

    Published 2023-09-01
    “…In the professional activities of mining engineers, information technologies make it possible not only to consider the location of production units of a mining company, mineral warehouses and rock dumps of a mining company at any required level of detail, but also to help meet the basic environmental requirements in the field of mining.  …”
    Get full text
    Article
  17. 2237

    Assessment of runoff composition and residence time using stable isotopes and hydrochemical characteristics in Urumqi River Basin, northwest China by Siqi Wu, Fang Feng, Shuang Jin, Zhongqin Li, Michael A. Urban, Qiaohua Huang, Qiannian Shi

    Published 2025-02-01
    “…New hydrological insights for the region: The hydrochemical type of river water is Calcium-Sulphate, with rock weathering as the main influence factor. Using the end-member mixing analysis (EMMA), it was calculated that the contribution ratios of ice and snow meltwater, atmospheric precipitation and groundwater to runoff were as follows: 3.81 %, 60.45 %, 35.75 % in spring; 28.99 %, 15.42 %, and 55.59 % in summer; and 22.72 %, 3.34 %, and 73.94 % in autumn. …”
    Get full text
    Article
  18. 2238

    Feldspar Dissolution and Its Influence on Reservoirs: A Case Study of the Lower Triassic Baikouquan Formation in the Northwest Margin of the Junggar Basin, China by Meng Xiao, Xuanjun Yuan, Dawei Cheng, Songtao Wu, Zhenglin Cao, Yong Tang, Zongrui Xie

    Published 2018-01-01
    “…Feldspar dissolution is a common feature in clastic rock reservoirs of petroliferous basins and has an important influence on reservoir quality. …”
    Get full text
    Article
  19. 2239

    Identification and Prediction of Allo-Source Overpressure Caused by Vertical Transfer: Example from an HTHP Gas Reservoir in the Ledong Slope in the Yinggehai Basin by Caiwei Fan, Changgui Xu, Chao Li, Aiqun Liu, Hu Li, Jingxian Hou, Xiaoying Zhang, Bin Lu, Jun Li

    Published 2021-01-01
    “…The high-magnitude overpressure fluid generated by the high mature ultradeep buried N1s source rock migrated to the shallower reservoirs via hidden faults/microfractures, which led to the vertical transfer of overpressure. …”
    Get full text
    Article
  20. 2240