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11861
The Spreading of Information in Online Social Networks through Cellular Automata
Published 2018-01-01“…In this paper, we propose an online social networks information spreading (OSIS) model combining epidemic models and individual’s cognitive psychology. Then we design a cellular automata (CA) method to provide a computational method for OSIS. …”
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11862
Concept Mapping Strategy: An Effective Tool for Improving Students’ Academic Achievement in Biology
Published 2015-01-01“…Two hypotheses tested at 0.05 level of significance guided the study. The design of the study was quasi-experimental design with 122 Senior Secondary students selected purposively from two senior secondary schools in Adamawa state. …”
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11863
Optimization of Flow Characteristics and Diffusion Angles of Forward Inflow Forebay of Pumping Station
Published 2025-01-01“…To address issues arising from chaotic water flow due to unreasonable pumping station operation and insufficient forebay design, this study took the Yanhuangding pumping station as a typical case. …”
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11864
A Novel System for Measuring Optical Properties in Arterial Blood of Man
Published 2006-01-01“…A device to obtain the electromagnetic spectrum in the blood has being designed and is presented in this work. This device uses a quartz lamp, emitting electromagnetic radiation between 200 nm and 2200 nm. …”
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11865
Research on the Novel Primary and Secondary Embedded Deployable Cage Mechanism
Published 2020-06-01“…A closed-loop cable-driven module is designed to deploy the cage through the pull and release of the cable. …”
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11866
CFD simulations of a hydrocyclone in absence of an air core
Published 2012-01-01“…Computational Fluid Dynamics (CFD) is a versatile means to predict the characteristics of flow in fluid mechanics problems under a wide range of design and operating conditions . Applying the CFD in many engineering fields alleviates the problem of the usual engineering design. …”
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11867
Humdrum Tasks of the Salaried Men: Edwin Williams, a London County Council Architect at War
Published 2015-12-01“…Working at the London County Council Architects’ Department through the 1930s to 1950s, and known (if at all) as a member of the design team for the Royal Festival Hall, Edwin Williams is usually presented as a regressive figure, his design work marked by his Beaux Arts training. …”
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11868
An English Online Homework Tutoring System Supported by Internet Database
Published 2021-01-01“…Therefore, this paper designs an Internet-based online tutoring platform for college English teaching, which is accelerated by using the K-means clustering algorithm. …”
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11869
Changes in hairiness of woven fabrics at the production and finishing stages
Published 2025-01-01“…Abstract Advances in the textile industry have led to a shift from using empirical experience to design fabrics to using computer-aided systems. Objective fabric properties related to appearance, feel, and comfort are predicted based on the physical models. …”
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11870
A New Wideband Circularly Polarized Dielectric Resonator Antenna Loaded with Strips
Published 2021-01-01“…An antenna prototype is simulated, manufactured, and measured to validate the unique design. The measured results show that the designed antenna has broadband characteristic with a −10 dB IBW of 54% (1.91–3.32 GHz) and 3 dB ARBW of 42.1% (2.10–3.22 GHz).…”
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11871
Aeroelastic Flutter and Sliding Mode Control of Wind Turbine Blade
Published 2020-01-01“…Through the construction of two controllers, modular combinatorial sliding mode controller and sliding mode controller based on LMI for parameterized design suppress blade aeroelastic flutter. The results show that a better control effect can be achieved on the premise of the design of the precise parameters of the controller: the proposed sliding mode control algorithm based on LMI can effectively act on the aeroelastic system of the blade, significantly reduce the vibration frequency, and make the aeroelastic system converge to an acceptable static difference in a short time, which proves the effectiveness of sliding mode control in suppressing high-frequency vibration under high wind speed.…”
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11872
De parque a mosaico: ecologia de paisagem no processo de recategorização do parque estadual Jacupiranga (SP)
Published 2017-09-01“…This study analyzes the process of re-categorization of the State Park of Jacupiranga into a Mosaic of Protected Areas (MOJAC) in dialogue with conservation designs recommended by the fundamentals of Landscape Ecology. …”
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11873
RESEARCH ON STRESS SPECTRUM GROUPING METHOD OF HIGH SPEED EMU BOGIE
Published 2018-01-01“…The determination of structural dynamic stress spectrum is of great significance in the structural fatigue strength evaluation as well as reliability design.To evaluate structure of fatigue strength accurately,stress history on fatigue key parts of motor bogie framework was obtained through dynamic stress test of high-speed EMU on actual operation line.Fatigue damage values per kilometer of stress spectra with different grouping numbers were calculated using equidistant grouping method and Palmgren-Miner linear cumulative damage theory.Then,the effect of different group number on fatigue damage was analyzed.The results show that when the grouping number is small,it can lead to deviation of fatigue damage.As the grouping number increasing,damage decreasing,and tends to the theoretical value.This phenomenon can be interpreted by the EMU framework dynamic stress characteristic of small stress cycles high concentration.Meanwhile,an unequal distance grouping method was presented which is applicable to framework structure stress spectrum.The study can provide the basis for framework structure design.…”
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11874
Data poisoning attack detection approach for quality of service aware cloud API recommender system
Published 2023-08-01“…To solve the problem that existing studies usually assumed that the QoS data of cloud API recommender system was reliable, ignoring the data poisoning attack on cloud API recommender system by malicious users in open network environment, a data poisoning attack detection approach based on multi-feature fusion was proposed.Firstly, a user connected network graph was constructed based on the designed similarity function, and users’ neighborhood features were captured using Node2vec.Secondly, sparse auto-encoder was used to mine user QoS deep feature, and user interpretation feature based on QoS data weighted average deviation was designed.Furthermore, a fake user detection model based on support vector machine was established by integrating user neighborhood feature, QoS deep feature, and interpretation feature, the model parameters were learned using grid search and alternating iterative optimization strategy to complete fake user detection.Finally, the effectiveness and superiority of the proposed approach were verified through extensive experiments, realizing the poison attack defense against QoS aware cloud API recommender system at the data side.…”
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11875
Regression Analysis of Initial Geostress Field for Deep-Buried Tunnel of Water Resources Allocation Project in Guangdong Province around the Beibu Gulf
Published 2023-01-01“…Geostress has important influence on the surrounding rock of the deep-buried tunnel during its construction.Accurately identifying the initial geostress of the engineering area can effectively guide the design and construction of the tunnel.In order to study the distribution of initial geostress in the deeply buried tunnel area of water resources allocation project in Guangdong Province around the Beibu Gulf,a three-dimensional geological model was established via the finite difference software FLAC<sup>3D</sup>,by reference to the geoengineering conditions and measured data on geostress,with the relevant analysis and calculation conducted under the separate effects of each factor concerning the initial geostress field.And the a multiple regression model between measured and calculated values was established to work out the optimal regression coefficient through multiple regression analysis,thus obtaining the regression equation of geostress.By comparing the regression values and the measured values,it is found that the magnitude and direction of the two values are close to each other,indicating that the initial geostress field established by regression analysis is reasonable and can provide effective basic data for subsequent evaluation of the stability of surrounding rock of the tunnel,support design and long-term safety evaluation and prediction.…”
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11876
The Explorative Strategy of Engagement: Atelier Bow-Wow’s Rebière Street Project in Paris
Published 2018-04-01“…This mediation implies a systemisation of the design process. The legitimacy of this systematisation is by nature questionable and can be a source of doubt or anxiety. …”
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11877
Multimodalität in den Relationen zwischen Sprache und Emojis auf Facebook-Profilen polnischer Universitäten
Published 2024-12-01“…Its results indicate that the most frequent functions of emojis in such postings are structuring, commentary / evaluation and relationship design, whereas the analysed material does not provide any evidence for ludic function. …”
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11878
Emotion Monitoring for Preschool Children Based on Face Recognition and Emotion Recognition Algorithms
Published 2021-01-01“…Using the deep learning approach, we design a more lightweight network structure to reduce the number of parameters and save computational resources. …”
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11879
The Influence Of Seed Quantity Per Planting Hole On The Agronomics Of Soybean Variety Dena 1 Under Different Lighting Conditions
Published 2024-10-01“…This study was conducted from August to November 2023 at the Experimental Garden of the Faculty of Agriculture, Andalas University. The experimental design used was a Completely Randomized Design (CRD) with two factors and three replications. …”
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11880
A Study on Controllable Mod Exploiting the Intrinsic Symmetry Breaking of Low-symmetry Photonic Crystals
Published 2024-12-01“…These structures allow light to be easily controlled, guided, and confined due to the tunability and adjustability of their design parameters. Conventional photonic crystals are typically designed with high-symmetry unit cells, while low-symmetry structures are created by breaking this symmetry. …”
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