Showing 4,421 - 4,440 results of 4,780 for search '"mining"', query time: 0.06s Refine Results
  1. 4421

    Target-Aware Deep Feature Compression for Power Intelligent Inspection Tracking by Wei Jiang, Zhimin Guo, Huanlong Zhang, Liyun Cheng, Yangyang Tian

    Published 2022-01-01
    “…First, a negative balance loss function is designed to mine channel features suitable for the current inspection scene by shrinking the contribution of pure background negative samples and enhancing the impact of difficult negative samples. …”
    Get full text
    Article
  2. 4422

    Amazonian Metakaolin Reactivity for Geopolymer Synthesis by Ruy A. Sá Ribeiro, Marilene G. Sá Ribeiro, Gregory P. Kutyla, Waltraud M. Kriven

    Published 2019-01-01
    “…To determine the viability of using a local resource for geopolymer synthesis, geopolymers were synthesized using metakaolin made from clay mined in the Amazonian region of Brazil. Samples were made with mixed potassium-sodium and pure sodium metakaolin-based geopolymer. …”
    Get full text
    Article
  3. 4423

    The Importance of Physiochemical Processes in Decarbonisation Technology Applications Utilizing the Subsurface: A Review by Ieva Kaminskaite, Sandra Piazolo, Andy R. Emery, Nicholas Shaw, Quentin J. Fisher

    Published 2022-12-01
    “…For example, geothermal energy may be extracted from hot water contained or injected into deep reservoirs and disused coal mines; CO2 may be stored within depleted petroleum reservoirs and deep saline aquifers; nuclear waste may be disposed of within mechanically stable impermeable strata; surplus heat may be stored within shallow aquifers or disused coal mines. …”
    Get full text
    Article
  4. 4424
  5. 4425
  6. 4426

    Lead poisoning in ancient Rome by Francois P. Retief, Louise Cilliers

    Published 2005-06-01
    “… Lead was known to the ancients from at least the 4th millennium BC, but its use increased markedly during Roman times, to the extent that it became a health hazard. Mines and foundry furnaces caused air pollution; lead was extensively used in plumbing; domestic utensils were made of lead and pewter, and lead salts were used in cosmetics, medicines and paints. …”
    Get full text
    Article
  7. 4427

    Results of the pioneer survey of potential bat hibernacula in Albania (2012–2015) by Philippe Théou, Ervis Loce, Marina Đurović

    Published 2015-06-01
    “…During the visits of natural caves, bunkers, tunnels, buildings and mines we recorded at least 9 bat species: Rhinolophus ferrumequinum (28 sites), R. hipposideros (36 sites), R. blasii (1 site), R. euryale (3 sites), Myotis myotis/oxygnatus (blythii) (4 sites), M. capaccinii (6 sites), Pipistrellus sp. (2 sites), Hypsugo savii (1 site) and Miniopterus schreibersii (9 sites). …”
    Get full text
    Article
  8. 4428

    Jérôme Leroy, un écrivain social attentif à la montée inquiétante de l’extrême droite

    Published 2024-12-01
    “…Dans Les Derniers jours des fauves, sorte de suite, il imagine l’arrivée au pouvoir d’une femme de centre-droit, Nathalie Séchard, égérie du nouveau parti « Nouvelle société », dans un contexte miné par l’essor de l’extrême droite identitaire et caractérisé par l’engouement des jeunes pour des mouvements écologistes radicaux.…”
    Get full text
    Article
  9. 4429

    Application of neurotoxin- and pesticide-induced animal models of Parkinson’s disease in the evaluation of new drug delivery systems by Casanova Yaquelyn, Negro Sofia, Barcia Emilia

    Published 2022-03-01
    “…It is characterized by motor symptoms such as akinesia, bradykinesia, tremor, rigidity, and postural abnormalities, due to the loss of nigral dopaminergic neurons and a decrease in the dopa-mine contents of the caudate-putamen structures. …”
    Get full text
    Article
  10. 4430

    Novel Energy-Efficient Miner Monitoring System with Duty-Cycled Wireless Sensor Networks by Peng Guo, Tao Jiang, Kui Zhang

    Published 2012-01-01
    “…In this paper, we propose a localization-MAC codesign approach for the monitoring system under the environment of coal mine. With the proposed approach, the system can achieve higher localization accuracy with low energy consumption and transmission delay, compared with existing range-free localization methods for sensor nodes.…”
    Get full text
    Article
  11. 4431

    Speech Separation Using Convolutional Neural Network and Attention Mechanism by Chun-Miao Yuan, Xue-Mei Sun, Hu Zhao

    Published 2020-01-01
    “…By analyzing the characteristics of the convolutional neural network and attention mechanism, it can be found that the convolutional neural network can effectively extract low-dimensional features and mine the spatiotemporal structure information in the speech signals, and the attention mechanism can reduce the loss of sequence information. …”
    Get full text
    Article
  12. 4432

    Activity Graph Feature Selection for Activity Pattern Classification by Kisung Park, Yongkoo Han, Young-Koo Lee

    Published 2014-04-01
    “…For this classification problem, it is important to mine discriminative features reflecting the intrinsic patterns of each individual. …”
    Get full text
    Article
  13. 4433

    Expansion and Contraction of Variable Rank Coals during the Exchange Sorption of CO and CH by Grażyna Ceglarska-Stefańska, Katarzyna Zarębska

    Published 2002-02-01
    “…The influence of the physical and chemical properties and the composition of the sorbed gas on the sorption capacity of hard coal must be taken into account in an analysis of such coals as specific collectors of mine gases. The analysis presented was based on a comparison of the results of sorption and expansion studies of single gases (CO 2 and CH 4 ) and their mixtures on two hard coals (V daf : 40.87% and 22.32%). …”
    Get full text
    Article
  14. 4434
  15. 4435

    Standoff Methods for the Detection of Threat Agents: A Review of Several Promising Laser-Based Techniques by J. Bruce Johnson, Susan D. Allen, Jonathan Merten, Lewis Johnson, Daniel Pinkham, Scott W. Reeve

    Published 2014-01-01
    “…Certainly detecting trace levels of threat agents against a complex background is chief among these challenges; however, the related issues of multiple target distances (from standoff to proximity) and sampling time scales (from passive mines to rapid rate of march convoy protection) for different applications make it unlikely that a single technique will be ideal for all sensing situations. …”
    Get full text
    Article
  16. 4436

    Denis Papin : sa vie, son œuvre by Vivier, Bernard

    Published 2024-11-01
    “…In fact, in 1712, Thomas Newcomen and Thomas Savery produced the prototype of a steam pump to dry out mines, which was a great success and was nothing other than the implementation, on a large scale, of Papin’s experiments.…”
    Get full text
    Article
  17. 4437

    Regularized Multioutput Gaussian Convolution Process for Chemical Contents Data Imputation in Sintering Raw Materials by Wei Liu, Cailian Chen, Junpeng Li, Xinping Guan

    Published 2023-01-01
    “…In this article, a novel sparse multioutput Gaussian convolution process (MGCP) modeling framework is proposed for data imputation. MGCP can flexibly mine the relationships between the outputs by a convolution of a sharing latent function and different Gaussian kernels. …”
    Get full text
    Article
  18. 4438

    TMEM100 Modulates TGF-β Signaling Pathway to Inhibit Colorectal Cancer Progression by Huixia Li, Chuan Cheng, Weibo You, Jiujian Zheng, Jie Xu, Peng Gao, Jianping Wang

    Published 2021-01-01
    “…The mRNA expression data of CRC were acquired from the TCGA database to mine differentially expressed mRNAs. The role of TMEM100 in the progression of CRC cells was evaluated by MTT, colony formation, scratch healing, and Transwell assays. …”
    Get full text
    Article
  19. 4439

    Geological Structure Exploration of Karst Collapse Column and Evaluation of Water Insulation Properties of the Mud Part by Shijian Yu, Jiyang Liu, Peng Bai, Hongtao Xu, Runshan He, Yongshen Wang, Dawei Yin

    Published 2021-01-01
    “…In this study, the X5 KCC in Shiquan Coal Mine was investigated by means of controlled source audio magnetotelluric exploration and borehole television. …”
    Get full text
    Article
  20. 4440

    DWNet: Dual-Window Deep Neural Network for Time Series Prediction by Jin Fan, Yipan Huang, Ke Zhang, Sen Wang, Jinhua Chen, Baiping Chen

    Published 2021-01-01
    “…The dual-window mechanism allows the model to mine multigranularity dependencies of time series, such as local information obtained from a short sequence and global information obtained from a long sequence. …”
    Get full text
    Article