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1521
Coagulation of the Ionized Combustion Products in a Dust Flame of Aluminum Particles
Published 2019-01-01“…The model takes into account the formation of a complex plasma consisting of positive and negative ions, electrons, neutral gas molecules, and suspended particles of the condensed phase in the combustion zone. …”
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1522
Clinical analysis of 41 cases of antineutrophil cytoplasmic antibody associated vasculitis
Published 2018-01-01“…Objective To analyze clinical characteristics of antineutrophil cytoplasmic antibody(ANCA)-associated vasculitis(AAV).Methods A total of 41 patients with AAV admitted to China Three Gorges University from January 2012 to January 2017 were selected and analyzed.Results The ratio of male∶female was 1.05∶1,and the average age was(61.6±14.4)years old.48.4% of them were older than 65 years old.The time from disease onset to diagnosis was 5 to2 160 days,with an average of(136.68±344.79)days.Of the 41 patients,39 cases were positive for perinuclear ANCA(P-ANCA)/anti myeloperoxidase(MPO)antibody and 1 positive for cytoplasmic ANCA(C-ANCA)/anti protease 3(PR3)antibody positive,and1 negative for ANCA.The clinical manifestations of AAV were complex and varied.The manifestations of renal involvement accounted for 100%,followed by respiratory symptoms and systemic nonspecific symptoms,accounting for 61%.The degree of involvement of the lungs and kidney was different,and the time of the disease was inconsistent.The remission rate of AAV was 69.2% and the fatality rate was 9.8%.The degree of AAV involving the lung and kidney was different,and the time of the occurrence of lesions was inconsistent.Conclusions AAV involves multiple systems with varying degrees of lesions.Combination of clinical symptoms and ANCA detection is helpful for early diagnosis.Under the situation that the clinical manifestation is in accordance with AAV while the ANCA test is negative,the pathological biopsy should be done in time.The appropriate treatment is chosen after systematically assessing the degree of lesions.…”
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1523
A Method for Real-Time Vessel Speed Measurement Based on M-YOLOv11 and Visual Tracking
Published 2025-06-01“…Subsequently, a frame difference method combined with a multi-frame averaging strategy calculates the vessel speed. Furthermore, an advanced M-YOLOv11 detection model is introduced to enhance the detection performance in different vessel shapes and complex environments, thus ensuring the accuracy of speed information is further improved. …”
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1524
Chain hybrid feature selection algorithm based on improved Grey Wolf Optimization algorithm.
Published 2024-01-01“…The experimental results show that the average classification accuracy of the TMKMCRIGWO algorithm is at least 0.1% higher than the other algorithms on 20 datasets, and the average value of the dimension reduction rate (DRR) reaches 24.76%. …”
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1525
Enhancing Critical Thinking and Mathematical Achievement Through Problem-Based-Learning: A Classroom Action Research at SMKN 6 Surabaya
Published 2025-07-01“…The lowest score rose from 37.5 to 54.2, and the number of students who achieved completion increased from 22 to 34. In the complex cognitive domain (C4–C6) that showed critical thinking skills, the average increased from 40.09 to 61.4. …”
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1526
Research on Lithium-Ion Battery State of Health Prediction Based on XGBoost–ARIMA Joint Optimization
Published 2025-05-01“…Due to the complex electrochemical reactions within lithium-ion batteries and the uncertainties with respect to external environmental factors, accurately assessing their State of Health (SOH) remains a significant challenge. …”
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1527
Mechanical and acoustic characteristics of interbedded rock samples under cyclic loading-unloading conditions
Published 2025-06-01“…The strength attenuation rate of water-saturated rock mass is low, at 60.19%. The average deformation modulus of natural rock mass is 6.571 GPa, and the average deformation modulus of water-saturated rock mass is 3.646 GPa, indicating that water reduces the stiffness of rock mass. …”
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1528
Evaluation of the heart rate during initial active standing in patients with vasovagal syncope
Published 2021-09-01“…This allows to characterize, compare and differentiate the groups studied during the complex and rapid interactions that occur in the change of position. …”
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1529
Promoting higher-order thinking skills and learning motivation through the teams games tournaments learning model in physics education: A Rasch model analysis
Published 2024-11-01“…Data analysis using the stacking test indicated an average logit increase of 1.40 for HOTS and 1.98 for learning motivation. …”
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1530
Neuro-Evolution of Augmenting Topologies for Dynamic Scheduling of Flexible Job Shop Problem
Published 2024-09-01“…Comparative analysis with four conventional scheduling rules indicates that the NEAT approach consistently surpasses traditional methods, especially in managing complex disturbances. For example, in a scenario involving 50 jobs and 20 machines, NEAT dramatically reduced the average completion time to 142.14 s, markedly outperforming the 644.36 s achieved by the minimum operation completion rate/shortest processing time (MOCR/SPT) approach. …”
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1531
Flexibility in Pragmatic Nuance: The Cognitive Edge of Bilingualism in Language Comprehension and Production
Published 2024-08-01“…Specifically, bilingual participants scored higher on average in both the comprehension test (M = 85.6, SD = 5.3) and the production test (M = 82.4, SD = 5.1), compared to monolinguals who scored an average of 74.2 (SD = 6.8) and 70.3 (SD = 6.4) respectively. …”
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1532
Research on Soybean Seedling Stage Recognition Based on Swin Transformer
Published 2024-11-01“…Accurate identification of the soybean seedling period is susceptible to natural light and complex field background factors. A transfer learning-based Swin-T (Swin Transformer) network is proposed to recognize different stages of the soybean seedling stage. …”
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1533
A Novel Unilateral Bi/Multi‐Portal Endoscopic Transforaminal Interbody Fusion Utilizing Uniaxial Spinal Endoscope Instead of Arthroscope: Technical Note and Preliminary Clinical Re...
Published 2025-01-01“…Results The single‐segment UME‐TLIF procedure had an average operation time of 211 ± 53.3 min, and the average number of X‐rays taken during the operation was 11.78 ± 5.32. …”
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1534
Anew mid-ripening table grape cultivar Puyuan Qinxiang
Published 2025-05-01“…The average weight of single berry is 9.45 g, and the maximum weight is 12.00 g. …”
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1535
Exploring the genotypic potential of perilla (Perilla frutescens L.) for climate-resilient agriculture in the North Eastern Himalayas
Published 2025-02-01“…However, the genetic complexity of its fatty acid composition, nutrient content, and yield-associated agronomic traits remains poorly understood. …”
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1536
Massive MIMO channel estimation and feedback based on compressed sensing
Published 2018-12-01“…Focused on the issue that the problem of low precision of channel estimation and complex feedback scheme in massive MIMO system,a compression sampling matching pursuit (BCC-CoSAMP) algorithm based on coefficient correlation was proposed in the differential channel estimation and feedback scheme.In this algorithm,the inner product of the relationship between two vectors in the CoSAMP algorithm was replaced by the vector relation based on the correlation coefficient,so the atoms with strong correlation of the original signal were quickly selected to improve the accuracy of channel estimation.The simulation results show that the proposed BCC-CoSAMP algorithm has an improved channel estimation accuracy compared with the CoSAMP algorithm and an average increase of the total system rate of 1.25 bit/(s.Hz) at low signal to noise ratio (SNR).…”
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1537
Evaluation of perception of quality of life of disabled athletes
Published 2014-02-01“…Study aspects of perception of quality of life is a complex issue, but deserves proper attention and appropriate force to study it. 2. …”
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1538
Nonlinear distortion compensation algorithm aided by channel estimation of memoryless power amplifier for OTFS receiver
Published 2022-12-01“…A compensation algorithm for OTFS receiver was proposed to solve the problem of transmission signal distortion caused by the nonlinear characteristics of power amplifier (PA) in the orthogonal time frequency space (OTFS) system.The channel state information was estimated by Bussgang theorem combined with the complex coefficient polynomial of PA and the average energy of the distortion term.Based on it, the transmitted signal was reconstructed with distortion term and the estimated value was updated for the polynomial normalization.Furthermore, the iterative zero-forcing equalization algorithm was employed to complete adaptive compensation analysis of the nonlinear distortion at the receiver.The results show that the nonlinear influence on transmission signals is reduced, which caused by Saleh and Rapp models, and BER performance of OTFS system is improved effectively.…”
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1539
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1540
Electrophysical properties of the diazonium salt solutions in the solid polymeric matrixes
Published 2009-01-01“…Average quantities of the hole mobility in a matrix depending on the DS concentration are found. …”
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