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Multi-Source, Fault-Tolerant, and Robust Navigation Method for Tightly Coupled GNSS/5G/IMU System
Published 2025-02-01“…This study introduces an advanced, tightly coupled GNSS/5G/IMU integration framework designed for distributed PNT systems, providing all-source fault detection with weighted, robust adaptive filtering. …”
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Study on the Propagation Law of CO<sub>2</sub> Displacement in Tight Conglomerate Reservoirs in the Mahu Depression, Xinjiang, China
Published 2025-02-01“…To achieve the efficient utilization of low-permeability tight sand and gravel reservoirs with strong heterogeneity in the Mahu oil area of Xinjiang, CO<sub>2</sub> injection is used to improve oil recovery. …”
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EVI‐SAM: Robust, Real‐Time, Tightly‐Coupled Event–Visual–Inertial State Estimation and 3D Dense Mapping
Published 2024-12-01“…Specifically, an event‐based 2D–2D alignment is developed to construct the photometric constraint and tightly integrated with the event‐based reprojection constraint. …”
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Experimental study on injection media and methods for enhanced oil recovery in tight oil reservoirs: A case study of Fuyu reservoir in Daqing
Published 2025-08-01“…Taking the Fuyu reservoir in the Daqing oilfield of PetroChina as a case study, laboratory experiments involving dynamic core injection were conducted using various injection media (CO2 and surfactants) and methods (displacement, huff-n-puff, and gas-water alternating injection) to investigate their effects on oil recovery mechanisms and efficiency in tight reservoirs. …”
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A Novel Two-Stage Adaptive Filtering Model-Based GNSS/INS Tightly Coupled Precise Relative Navigation Algorithm for Autonomous Aerial Refueling
Published 2022-01-01“…An adaptive main Kalman filter (AKF) is realized for ambiguity eliminated GNSS/INS tightly coupled integrated system, and a robust adaptive subfilter is developed for GNSS individually. …”
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Investigation of In Situ Gelation Behavior and Enhanced Oil Recovery Ability of Polymer Gel Used for Controlling CO<sub>2</sub> Channeling in Tight Fractured Reservoir
Published 2024-11-01“…Polymer gels are one of the most common plugging agents used for controlling CO<sub>2</sub> channeling and improving sweep efficiency and oil recovery in tight fractured reservoirs. …”
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High yield enrichment law for tight sandstone gas reservoir: A case study of the second member of Xujiahe Formation gas reservoir in Xinchang-Hexinchang gas field of western Sichua...
Published 2024-08-01“…The second member of Xujiahe Formation in Xinchang-Hexingchang gas reservoir has been chosen as the subject of in-depth research to facilitate efficient evaluation and development. The research includes analyzing both static and dynamic characteristics of the gas reservoir, as well as examining the ancient and modern structural positions, fault characteristics, fractures, and reservoir quality of typical wells. …”
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Evaluation of Proppant Placement Efficiency in Linearly Tapering Fractures
Published 2025-07-01Get full text
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Digital economy and carbon efficiency: the roles of population aging and human capital
Published 2025-05-01Get full text
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Interrelationship Between Indexes of the Population Medical Care Quality and Macroeconomic Efficiency
Published 2023-03-01“…In the given article, the author deeply examines the tight relationship between population medical care quality and macroeconomic efficiency. …”
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The impact of top management team tenure heterogeneity on innovation efficiency of declining firms.
Published 2025-01-01“…Innovation efficiency of declining firms is measured using the Malmquist Index method. …”
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The Connectivity of DVcube Networks: A Survey
Published 2025-05-01“…By examining the intricate interactions among nodes and their connections, researchers can determine a network’s resilience to failures, its capacity to support efficient information flow, and its adaptability to dynamic conditions. …”
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Low-input CUT&Tag for efficient epigenomic profiling of zebrafish stage I oocytes
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Development of a highly efficient p-coumaric acid-responsive biosensor in Saccharomyces cerevisiae
Published 2025-12-01“…Notably, the PBS1-CCW12 hybrid promoter exhibited tight regulation by BsPadR and enhanced activity in response to p-coumaric acid. …”
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Molecular Dynamics Simulation on Slippage Effect and Injection Capacity With Hydrophobic Nanoparticles Adsorption
Published 2025-01-01“…In this study, we focus on the fluid slip characteristics feature of nanoparticles adsorbed with different adsorption degrees through molecular dynamics methods. Our results show that the adsorption of hydrophobic nanoparticles on the wall induces a velocity slip effect. …”
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Applying a system dynamics approach for decision-making in software testing projects.
Published 2025-01-01“…Developers must balance rigorous software testing with tight schedules and budgets. This often forces them to choose between quality and cost. …”
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