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25221
A New Sensors-Based Covert Channel on Android
Published 2014-01-01“…Covert channels are not new in computing systems, and have been studied since their first definition four decades ago. …”
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25222
The Biobjective Bike-Sharing Rebalancing Problem with Balance Intervals: A Multistart Multiobjective Particle Swarm Optimization Algorithm
Published 2020-01-01“…Compared with Hybrid NSGA-II and MOPSO, the computational experimental results demonstrate that our MS-MOPSO can obtain Pareto optimal solutions with higher quality.…”
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25223
Study on Mechanism of Viscoelastic Polymer Transient Flow in Porous Media
Published 2017-01-01“…We establish a mathematical model for transient flows of viscoelastic polymers using computational fluid dynamics simulations, and we study the distributions of pressure and velocity for different elasticity scenarios and different flooding process. …”
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25224
Theoretical assessment of the effectiveness of application single-stage long-stroke piston compressors in refrigeration and hydrocarbon gas liquefaction systems
Published 2024-03-01“…A method for calculating an ideal vapor-compression refrigeration cycle is presented, adapted to the object under consideration, taking into account the possibility of implementing quasi-isothermal compression. A comparative computational analysis of temperature conditions and thermodynamic efficiency of a two-stage refrigeration cycle and single-stage refrigeration cycles is carried out during adiabatic and quasi-isothermal compression processes in the boiling temperature range 278 K ... 198 K. …”
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25225
PCR-Based Detection and Genotyping of Helicobacter pylori in Endoscopic Biopsy Samples from Brazilian Patients
Published 2013-01-01“…The patterns observed were analyzed with the computational program BIO 1D; 11 patterns with the enzyme HhaI and 12 patterns with the enzyme MboI were found. …”
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25226
Primary Diffuse Large B-Cell Lymphoma of the Liver in a Patient with Sjogren Syndrome
Published 2016-01-01“…Lymphoma manifested with sharp significant pain in the right hypochondrium, weakness, and profuse night sweats. Contrast-enhanced computed tomography scan (CT-scan) of the abdomen revealed multiple low density foci with homogeneous structure and clear contours in both lobes of the liver. …”
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25227
Evaluation of a Semiempirical, Zero-Dimensional, Multizone Model to Predict Nitric Oxide Emissions in DI Diesel Engines’ Combustion Chamber
Published 2016-01-01“…As proven from the investigation conducted herein, the proposed model adequately predicts NO emissions and NO trends when the engine settings vary, with low computational cost. These encourage its use for engine control optimization regarding NOx abatement and real-time/model-based NOx control applications.…”
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25228
COVID-19-Associated Thrombotic Complication: Is It Pulmonary Embolism or In Situ Thrombosis?
Published 2023-01-01“…Retrospectively, we identified pulmonary computed tomography angiography (CTPA) of patients admitted to the Royal Hospital between November 1st, 2020, and October 31, 2021, with a confirmed diagnosis of COVID-19. …”
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25229
Wreathing, discrete gauging, and non-invertible symmetries
Published 2025-01-01“…We provide a general prescription for computing the index for any wreathed quivers that contain unitary or special unitary gauge groups. …”
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25230
Esophageal Gastrointestinal Stromal Tumor with Rare Intracranial Metastasis
Published 2020-01-01“…On physical examination, she presented changes in behavior, dysarthria, dysmetria on the right, gait imbalance, and no motor or sensory deficits. On brain computed tomography and posteriorly on magnetic resonance, 2 lesions were observed, left frontal and right cerebellar, compatible with metastatic lesions. …”
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25231
Concurrent FDG Avid Nasopharyngeal Lesion and Generalized Lymphadenopathy on PET-CT Imaging Is Indicative of Lymphoma in Patients with HIV Infection
Published 2012-01-01“…This study retrospectively evaluated the diagnostic value of concurrent nasopharyngeal lesion and lymphadenopathy on positron emission tomography-computed tomography (PET-CT) with fluorine-18 fluorodeoxyglucose (FDG PET-CT) imaging. …”
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25232
An Architecture of 2-Dimensional 4-Dot 2-Electron QCA Full Adder and Subtractor with Energy Dissipation Study
Published 2018-01-01“…The future age of digital techniques will exercise QCA as preferred nanotechnology. The QCA computational procedures will be simplified with an effective full adder and subtractor circuit. …”
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25233
Statistical analysis on the validity of the cold plasma approximation for chorus waves based on Van Allen Probe observations and their effects on radiation belt electrons
Published 2025-01-01“…In addition, the bounce-averaged electron scattering rates are computed by using the observed and cold plasma dispersion relation of chorus waves. …”
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25234
Bypass node non-redundant adding algorithm for crossing-level data transmission in two-dimension reconfigurable cell array
Published 2015-04-01“…As for the problem of hardware task crossing-level data transmission,a preorder traversing backtracking adding_bypass_node (PTBA) algorithm is presented which maintains logic relation among original computing nodes and does not add redundancy nodes based on data flow graph with crossing-level-in-tree(CLIT) and crossing-level-out-tree (CLOT).The pipelined model of partitioning mapping and the quantitative evaluation indexes are presented for the dynamic reconfigurable system.The critical condition of PTBA mapping is proposed.Compared with preorder traversing backtracking no adding_bypass_node (PTBNA) mapping,and under the premise of critical condition,experimental results show PTBA mapping can improve the number of modules,the number of non-original input times and non-original output times,the total execution delay and powers of all partitioning based on the same system architecture and partitioning mapping algorithm.The proposed algorithm obtains the less average execution total cycles by 23.3%(RCA<sub>5×5</sub>),30.5%(RCA<sub>8×8</sub>),and the less average power consumption by 15.7%(RCA<sub>5×5</sub>),18.6%(RCA<sub>8×8</sub>) than previous advanced split-push kernel mapping(SPKM).PTBA has rationality and effectiveness.…”
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25235
Outage analysis and power optimization in uplink and downlink NOMA systems with Rician fading
Published 2025-03-01“…By approximating the Rician distribution with a Gamma distribution, the closed-form expressions for outage probability are derived, reducing computational complexity. A novel low-complexity power allocation (PA) strategy is introduced to maximize the sum spectral efficiency (SSE) in NOMA systems even in the presence of iSIC. …”
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25236
SYSTEMIC GENERATION OF SOLVING NECESSARY PROFESSIONAL THE TASKS
Published 2015-10-01“…The article explains the widespread use of mathematical modeling and computational experiment in solving scientific and technical problems. …”
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25237
Detours of Trans-alpine Goods Transport by Road
Published 2007-03-01“…However, at the Brenner crossing, depending on the mode of computation, up to 740,000 of the 1,996,000 truck tours take a detour of more than 60 km via the Brenner crossing although 18.1% and 11.5% of all truck tours would have a shorter alternative route via the St. …”
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25238
Lemierre’s syndrome in a 16-year-old man associated with resolution of marked widespread ST elevation and a normal troponin level
Published 2024-12-01“…It is paramount to do chest X-ray, Doppler ultrasound of the neck veins and computed tomography (CT) scan of the neck and chest to look for features of LS. …”
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25239
Probabilistic Prediction of Maximum Tensile Loads in Soil Nails
Published 2018-01-01“…The theoretical nail load is computed as the product of lateral active Earth pressure at nail depth and the nail tributary area. …”
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25240
An Analytical Solution for the Vibration and Far-Field Sound Radiation Analysis of Finite, Semisubmerged Cylindrical Shells
Published 2021-01-01“…Besides, in consideration of simplicity and less computation effort, the present method can be used for the rapid prediction of the vibration and far-field sound pressure of a semisubmerged cylindrical shell with low-frequency excitation.…”
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