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Rock Pressure Characteristics and Control Technology of Underground Roadways during Stacked Coal Seam Extraction
Published 2024-01-01“…Industrial-scale on-site trials confirmed the efficacy of this technique, with a separation value of the top plate of 4–10 mm, achieving effective management of the surrounding rock deformation in the roadway, with crack development contained within the fundamental anchoring layer. …”
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22
Optimization and experimental validation of a high-efficiency oil–water cyclone separator for well testing conditions
Published 2025-01-01“…Field tests of the optimized cyclone separator verified the rationality of these optimized parameters, achieving a separation efficiency of 92.9%. This research offers a foundation for optimizing the design of oil–water cyclone separators.…”
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23
Transformation of the American academic system during the COVID-19 pandemic
Published 2022-07-01“…Nevertheless, there is already a separation between these two large groups of American universities in the implementation of functioning strategies during the coronavirus pandemic. …”
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24
Behavioral assessment of hippocampal function following dietary intervention
Published 2018-09-01“…Spatial pattern separation (or local discrimination) performance of these animals was compared with that of rats fed a standard diet. A separation-dependent difference between the standard and Western diet groups was found in the number of discriminations performed in the pattern separation task, with rats of the “Western” group performing fewer discriminations. …”
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25
Optimal Asynchronous Guaranteed Cost Control of Uncertain Markov Jump Systems With Actuator Saturation and Nonideal Transition Probabilities
Published 2025-01-01“…Moreover, since it is complex to obtain accurate transition probabilities for the Markov chain of the original system and the hidden Markov model in the observation process, unknown and uncertain transition probabilities are simultaneously considered in both mode transitions and mode observation processes, and a separation strategy is implemented to handle the nonideal probabilities in each process independently. …”
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26
Analysis of the Unsteady Flow Field in a Centrifugal Compressor from Peak Efficiency to Near Stall with Full-Annulus Simulations
Published 2014-01-01“…In the diffuser entry region, by reducing the mass flow, the high incidence angle from the impeller exit induces a separation on the diffuser vane suction side. At near stall operating point, vorticity from the separation is shed into vortex cores which are periodically formed and convected downstream along the suction side.…”
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27
From Loan Sharks to Commercial Banks: Moral Crusades and the Segmentation of the Credit Market in the United States, 1900-1945
Published 2018-07-01“…Our theoretical framework thus tries to bridge the gap between the sociological study of economic transactions, practices and contracts and the political-cultural approach of markets as politics, a separation often criticized by French and American sociologists alike.…”
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Robust methoxy-based covalent organic frameworks membranes enable efficient near-molecular-weight selectivity
Published 2025-01-01“…A three-stage cascade process was used to fractionate binary molecules with varying charges, achieving a separation factor of 26.7 for heterogeneous charge molecules. …”
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HEMA-free versus HEMA-containing adhesive systems: a systematic review
Published 2025-01-01“…Unfortunately, the lack of HEMA in the adhesive composition may lead to a separation phase between hydrophobic and hydrophilic components. …”
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30
Experimental Progress towards Probing the Ground State of an Electron-Hole Bilayer by Low-Temperature Transport
Published 2011-01-01“…Recently, it has been possible to design independently contacted electron-hole bilayers (EHBLs) with carrier densities <5×1010 cm2 in each layer and a separation of 10–20 nm in a GaAs/AlGaAs system. In these EHBLs, the interlayer interaction can be stronger than the intralayer interactions. …”
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31
Hunting for Cold Exoplanets via Microlensing
Published 2023-08-01“…The maximum sensitivity is reached for systems that are located half way to the galactic center, with planets orbiting the lens star at a separation of few AUs. It is the only method currently probing exoplanets in the Earth-Saturn mass range beyond the snow line, where the core accretion theory originally predicted that most massive planets would form. …”
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Strategic foresight of staffing needs of innovative development of socio-economic systems
Published 2019-03-01“…A number of methodological problems of the existing systems of providing innovative economy in a personnel has been revealed, described and systematized: the forecast of balance of a labor resources does not consider changes of working conditions, modernization of production assets and new technologies; planning of target figures of enrollment of students for master programs is performed in a separation from real personnel requirements; lack of criteria system of detection of competence-based requirements of innovative economy; the imminent need of transition from scenario approach of forecasting of needs of economy for professional staff to approach “a threefold spiral”. …”
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'Sanctifying Sex': Exploring 'Indecent' Sexual Imagery in Pentecostal Liturgical Practices
Published 2019-01-01“… Pentecostalism, like many other church traditions, is well known for its fixation with doctrinal dualisms which enforce a separation of body and spirit, and a Puritan sexual ethic. …”
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Separation of iron-nickel alloy nugget from limonitic laterite ore using self-reduction
Published 2018-01-01“…To efficiently extract nickel from low grade limonitic laterite ore, a separation method of iron-nickel alloy nugget by selfreduction of coal composite limonitic laterite ore briquette was investigated. …”
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The Amphoteric Ion Exchange Membrane Based on CS/CMC for Tobacco-Protein Adsorption and Separation from Tobacco Extract
Published 2019-01-01“…Tobacco extract was used as a separation model to get tobacco protein. And the effects of the pH value, adsorption time, CS/CMC content, initial protein concentration, and CS/CMC composition on tobacco protein adsorption were investigated by coomassie blue staining during the adsorption process. …”
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36
Design and Optimization of a Lightweight and Simple Self-Propelled Crawler Potato Combine Harvester
Published 2024-12-01“…The results indicated that with a separation screen line speed of 1 m/s, vibration frequency of 8 Hz, and device inclination angle of 30°, the potato damage rate during harvesting was 1.318%, the skin breakage rate was 1.825%, the loss rate was 2.815%, and the impurity rate was 2.736%. …”
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Research on Formation Mechanism and Evolution Pattern of Bed Separation Zone during Repeated Mining in Multiple Coal Seams
Published 2022-01-01“…The results showed that when a single key stratum of repeated mining exists between coal seams, it is difficult to form a large separation area because there is no key stratum during the upper coal mining, and a separation area will be formed below the key stratum when mining the lower coal. …”
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Post-Trial Feedback Alters Landing Performance in Adolescent Female Athletes Using a Portable Feedback System
Published 2021-02-01“…vGRF and knee to ankle (K:A) separation ratio were measured and the average responses were reported for each trial block…”
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Development of a model for detection and analysis of inclusions in tomographic images of iron castings using decision trees
Published 2025-01-01“…These results are subjected to further analysis (pictures) to help decide whether the object is a separation or a discontinuity. The available (experimental) data make it possible to unequivocally identify belonging to one of these groups. …”
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Store Separation: Photogrammetric Solution for the Static Ejection Test
Published 2019-01-01“…To mitigate the risks of this campaign, it is necessary to compare the actual trajectory of a separation with its simulated estimates. With such information, it is possible to decide whether the next store release can be done with the required safety and/or whether the model used to estimate the separation trajectory is valid or not. …”
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