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15961
Research on Gas Exploration Shock Wave Spread Law via One-Way Bifurcation Pipeline
Published 2018-01-01“…In order to research on gas exploration shock wave spread law via a one-way bifurcation pipeline, the gas exploration pipeline experimental system and numerical calculation model were established. By adopting the comparative analysis of experiments and numerical modeling, it conducted researches on the attenuation and shunt characteristics of the gas exploration shock wave via the one-way bifurcation pipeline and obtained the computational formulas for shock wave attenuation coefficients of branch pipelines and straight pipelines and shock wave shunt coefficients of branch pipelines. …”
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15962
The Influence of Various Factors on the Deflections and Strength of Profiled Sheeting at the Stage of Concreting a Steel-Reinforced Concrete Slab
Published 2024-09-01“…The object of the study was orthotropic composite slabs made using on permanent formwork in the form of profiled sheeting of grades H75, H144, H153 according to GOST 24045–2016 and TRP200 according to GOST R 52246, with a thickness of 0.7–1.5 mm. A calculation and analytical method of research was used, based on regulatory documents in force in the Russian Federation. …”
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15963
Study of Fast Transient Pressure Drop in VVER-1000 Nuclear Reactor Using Acoustic Phenomenon
Published 2018-01-01“…The achieved results for this very fast pressure drop represent accurate calculations of thermoneutronic parameters fast changes.…”
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15964
Development of a New Inflatable Controlled Anchor System and Experimental Study of pull-out Capacity
Published 2019-01-01“…Through comparison with the experimental curves, the results of model calculation indicate that the proposed anchor-soil interface constitutive equation can describe the pull-out characteristics of the inflatable controlled anchor. …”
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15965
Dental Cavity Grading: Comparing Algorithm Reliability and Agreement with Expert Evaluation
Published 2024-01-01“…The software, using 3D imaging, calculated cavity dimensions and assigned an error score based on deviation from ideal measurements. …”
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15966
Directions of Price Transmission on the Diesel Oil Market in Poland
Published 2025-01-01“…A correlation analysis, a Granger causality test, and an impulse response function calculation were conducted. The research demonstrated that crude oil prices are the cause of the formation of wholesale and retail prices of diesel oil. …”
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15967
Prognostic role of prognostic nutritional index in patients with bladder cancer: a systematic review and meta-analysis
Published 2025-01-01“…The summary outcomes were calculated using the random-effects model, and the exploratory analyses were performed by sensitivity and subgroup analyses.ResultsTwelve retrospective studies involved 2,951 patients with bladder cancer were selected in final analysis. …”
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15968
Structural Analysis of Humic Acid in Soil at Different Corn Straw Returning Modes through Fluorescence Spectroscopy and Infrared Spectroscopy
Published 2019-01-01“…The intensity ratio of I456/I380 calculated from synchronous-scan fluorescence spectra could be used to evaluate the humification degree of soil HA. …”
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15969
Detection and Segmentation of Glioma Tumors Using an Improved Visual Geometry Group (IVGG) Deep Learning Structure
Published 2025-02-01“…The Spatial Gabor Transform (SGT), feature calculations, and deep learning structure comprise the training work flow of the suggested MTDS technique. …”
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15970
RETRACTED: Robot Path Planning Method Based on Indoor Spacetime Grid Model
Published 2022-05-01“…Finally, the indoor spacetime grid modeling experiment is carried out with real data, which verifies the feasibility and correctness of the spacetime relationship calculation algorithm encoded by the indoor spacetime grid model. …”
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15971
JPEG reversible data hiding method based on optimal DCT frequency embedding
Published 2023-08-01“…Joint photographic experts group (JPEG) images are widely used on the Internet due to their ability to maintain good picture quality while requiring less storage space.Reversible data hiding (RDH) techniques for JPEG images enable the hiding and extraction of secret information while allowing for lossless restoration of the original image.RDH is of great significance in file management and image authentication.However, many existing RDH methods result in a significant increase in the storage space of the encoded image after embedding secret information.For methods based on discrete cosine transform (DCT) coefficient embedding, the key issue that affects the performance of reversible information hiding in JPEG images is how to select the frequency band position.A reversible information hiding method for JPEG images was proposed, based on optimal DCT frequency embedding.The entropy decoded JPEG image was divided into 8×8 non-overlapping DCT blocks.The average texture complexity of each DCT block was calculated and ordered in ascending order.Then the alternating current (AC) in adjacent DCT blocks was paired pairwise.By satisfying the capacity of the information to be embedded, the optimal AC coefficient frequency position set was obtained from the distortion cost function of the AC coefficient frequency.The secret information was embedded according to the designed two-dimensional histogram mapping strategy.Experimental results demonstrate that the proposed method can reduce the expansion of the loaded image file’s storage size compared to existing methods, while maintaining good visual quality of the cover image.…”
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15972
Impact of Digital Inclusive Finance on Rural High-Quality Development: Evidence from China
Published 2022-01-01“…For this purpose, we assembled the provincial panel data from 2009 to 2018 and constructed an index system of rural high-quality development and then calculated its index using the entropy weight method. …”
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15973
Analysis of heating degree day requirments changes under climate change in South Khorasan
Published 2018-06-01“…Using the Matlab software capability, the monthly and annual heating requirements of the stations were calculated in the current and future period. Finally, using the Kriging interpolation method, the zoning maps for cooling requirements for the current and future period are mapped in ArcGIS software. …”
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15974
Use of the WinTR-55 Hydrologic Model on Determination of Flood Peak Discharge: The Case of Kirklareli Vize Stream and Samsun Minoz Stream Watersheds
Published 2022-07-01“…As a result, it is recommended that calculated peak flow in public institutions such as State Hydraulics Works (SHW) should made with the help of the WinTR-55 model.…”
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15975
Multi-Planar Cervical Motion Dataset: IMU Measurements and Goniometer
Published 2025-01-01“…Abstract This data descriptor presents a comprehensive and replicable dataset and method for calculating the cervical range of motion (CROM) utilizing quaternion-based orientation analysis from Delsys inertial measurement unit (IMU) sensors. …”
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15976
Suitable site Selection for Maize Cultivation Based on the crop of Temperature Supply Needs in Northwestern Iran
Published 2025-06-01“…Also, the length of scientific periods and the degree of growth day were calculated and the relevant maps were drawn using the Kriging method. …”
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15977
A Satisfaction Study of Waterfront Public Spaces in Winter Cities from a Demand Perspective: A KANO-IPA Model Analysis Based on Northeastern China
Published 2025-01-01“…We used the KANO model to classify the attributes of spatial demand indicators, then applied IPA analysis to evaluate them, and finally calculated priority indices to quantify their priority sequences. …”
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15978
Relationship of Determined Risk Factors with Hearing Disorders in Children
Published 2020-06-01“…Descriptive statistic calculations were done with absolute and relative frequency of variables. …”
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15979
Genetic improvement of cooking time in common bean: the role of dominance
Published 2025-02-01“…Variance components were estimated based on the mixed model, and additive and non-additive fractions were calculated using the Cockerham method. Additionally, scale tests were performed, including inbreeding as a genetic parameter. …”
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15980
Risk-Control Approach for a Bottleneck Spanning Tree Problem with the Total Network Reliability under Uncertainty
Published 2012-01-01“…Particularly, this paper focuses on the case that only mean value and variance of edge costs are calculated without assuming a specific random distribution. …”
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