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1805 articles

Development of Three-dimensional Teaching System Construction

Tianyu Zhu, Hailei Tian, Yun Liu
The three-dimensional textbook construction work is a new form and a new phase of NCO school professional teaching building. This paper discusses the necessity of three-dimensional meaning and construction materials, analyzes the basic characteristics of three-dimensional materials, instructional design...

Research on the Impact of Financing Structure on Enterprise Valuation

Jincheng Jia, Weiran Sun
Corporate valuation is a crucial aspect in decision-making for many investment institutions and has received widespread attention. Previous valuation models have focused on the impact of cash flow, stock price, and price-to-earnings ratio on corporate valuation, which overlooks the influence of financing...
Proceedings Article

Online Rail Straightness Measurement Based on Parallel Computing

Zhao1 Liu, Chunchen Dong, Yun Pei, Jianyi Kong
Rail straightness measurement is critical in rail production, in which the detecting speed, accuracy and stability directly affect the overall rail production. In this paper, using modern technology such as laser sensors, data acquisition, and computing technology, an innovative rail straightness measurement...
Proceedings Article

An Algorithm of the Time-delay Alignment Based on Iterative Estimation

Yang Li, Xiao-yi Zhang, Yun-peng Hu, Zhi-xiang Shen, Biao Zhao
A novel algorithm aligning the time-delay of each signal received by a uniform antenna array is presented. In order to solve the problem that time-delay alignment performance is poor at the low signal-to-noise ratio (SNR) value, the proposed algorithm makes use of iterative estimation. Then we analyze...

The Opposition and Unity of Saussure’s and Lacan’s Views on Linguistic Signs

Yun Chen
Saussure’s view on linguistic signs emphasizes the one-to-one correspondence of the signifier and the signified and their arbitrary combination. According to this view, the meaning of linguistic signs comes from the difference between the signs. Lacan revises Saussure’s view on linguistic signs by introducing...
Proceedings Article

Study on the Application of Gatifloxacin-A Novel Fluorescent System

Yuguang Lv, Qi Shi, Chunhui Shi, Yun Zai, Yushan Qin
we study the use of gatifloxacin with a novel tricyano-dihydrofuran fluorescent system. Gatifloxacin is a 8-methoxy-fluoroquinolone racemate which, in addition to having a broad spectrum of Gram-negative activity in addition to the activity of positive microorganisms, this product has antibacterial effect,...
Proceedings Article

Study on Maximum Power Point Tracking Technology for PV System using Pattern Search Algorithm

Wei Zheng, Yong Zhi, Shibin Chen, Fubo Liang, Yangjun Li, Qiao Wei, Yun Zhang
In order to improve the efficiency of the Photovoltaic (PV) system. Firstly, Solar Cell Array (SCA) model was established, and the simulation analysis of which was conducted through MATLAB/Simulink, then, the output characteristic curves of PV system with different external environment condition were...
Proceedings Article

SciClusterNet: Discovering Emerging Topics in LLM and AI in Education

S. S. Zobaer Ahmed, Md. Towsif Billah, Emon Safayet Rid, Md. Rehab Ansary Yasin, Tohedul Islam
The increase in research studies focused on Large Language Models (LLMs) and Artificial Intelligence in Education (AIED) has increased the difficulty of discovering emerging themes and research trajectories. This research introduces SciClusterNet, an unsupervised methodology that combines SciBERT embeddings,...
Proceedings Article

Distribution of root carbon storage of Salix gordejevii at different forest age

Juan Wang, Yue Feng Guo, Yun Feng Yao, Jun Tang
Comparative distribution characteristic of root system and the root system carbon stocks from three forest age of S. gordejevii in Aohan sanditificational. And three plots were set by using stratified segmentation mining method to test the root biomass and the carbon ratio in different soil assays and...
Proceedings Article

Determinants of Corporate Volunteering Service

An Empirical Study of China

Jinfeng Zhu, Yun Chen, Rongrong Li
Using data of Chinese listed companies, this study investigates the determinants of corporate volunteering. We find that, based on "signal" and "reputation" motivation, corporate size has a significantly positive effect on corporate volunteering. Large companies are engaged in more...
Proceedings Article

Numerical Simulation and Its Application on Deformation and Stress Distribution of Coal Body Around Spraying Hole Induced by Waterpower

Baoju Yun, Jianzhuang Liu, Yuanping Cheng
As a widely used finite difference software in coal mine research, FLAC3D is applied with to simulate the deforming course of coal body around spraying hole induced by waterpower. The results are appealing and instructive for optimization of gas drainage holes in outburst mine. Two core simulating distribution...
Proceedings Article

Movement of Saltwater Border of Modaomen Channel in Dry Season with Different Runoff

Xinying Chen, Yun Bao
With the saltwater border map method, the saltwater border map along Modaomen channel in dry season of 2014-2015 year is drawn and the time series of the 0.5‰ saltwater border is obtained. The movement of the saltwater border is discussed. There are two phases with different amount of upstream runoff...
Proceedings Article

Index Spatial Modulation with QAM/PSK and Pulse Amplitude Modulation

Fuchun Huang, Xie Li, Jiabing Luo, Xuehua Liu, Qin Hong
In this paper, a hybrid constellation of both quadrature amplitude modulation/phase shift keying (QAM/PSK) and pulse amplitude modulation (PAM) aided index spatial modulation (ISM), which called ISM-Q/P scheme, is presented to exploit the potential spatial gain from both spatial domain of transmit antennas...

Status, Problems and Countermeasures of Higher Education Cooperation Between Yunnan Province and South and Southeast Asian Countries

Jianhui Yun, Wei Long, Hao Yang
This paper analyzes the status of international cooperation in higher education with Southeast Asia and Southeast Asia through the following five aspects: the perspectives of higher education cooperation platform, the education of international student, the international promotion of Chinese as a foreign...
Proceedings Article

Numerical Simulation of Water Pollution in Shenzhen Bay

Yun Bao, Weilan Huang, Xinying Chen
The water pollution in Shenzhen Bay caused by sewage discharge is numerically simulated using ECOMSED, a two-dimensional hydrodynamics and water quality model. The results indicate that Shenzhen River and other land-based pollution sources lead to heavily water pollutions in Shenzhen Bay. The pollutant...
Proceedings Article

Local Trajectory Planning of Mobile Robot with Deep Reinforcement Learning Based on Q Value

Yunxiong Wu
The deep reinforcement learning algorithm based on visual perception and intelligent decision combines the perception ability of convolutional neural network with the decision control ability of reinforcement learning via end-to-end learning style and realizes the process from raw visual input to decision...
Proceedings Article

A Cascade Linear Active Disturbance Rejection Controller for Vector Control System of PMSM

Hourao Luo, Hu Cheng, Jiong Wang
Permanent magnet synchronous motor (PMSM) has been widely used in industrial fields. The conventional control method for vector control of PMSM is PID, which has some disadvantages such as large overshoot, bad robustness. In this paper, a cascade control strategy with three rst-order linear active disturbance...
Proceedings Article

The Simulation of Three Phase VSR Based on Space Vector Pulse Width Modulation

Lili Tang, Xianmin Ma
The topology of Three-Phase PWM Voltage Source Rectifier (VSR) is introduced in this paper. The mathematical model in three-phase static and two-phase rotary coordinate system is built. According to the component of reference voltage vector in two-phase static coordinate, the sector and the action time...
Proceedings Article

Effects of Permeability Coefficient on Land Reclamation in Coal Mining Areas in Chongqing

Lin Liu, Jianrong Li, Jianwei Yun, Kai Luo, Weihua Zhang
The permeability coefficient decides the land water retention ability to some extent. This study measured soil permeability coefficient in land of coal mining areas with double ring method, in order to show the soil water retention ability and analyzed the relationship between soil infiltration curve...

A Survey on Portfolio Assessment in Junior School English Reading Class

Yun Jiang
Portfolio assessment plays an important role in junior English reading teaching, particularly, in evaluating students' non-cognitive factors in language learning. With the help of portfolio assessment, teachers can achieve English instructional goals and students can gain their overall development. This...

Specific Types of q-Rung Picture Fuzzy Yager Aggregation Operators for Decision-Making

Peide Liu, Gulfam Shahzadi, Muhammad Akram
Pages: 1072 - 1091
q-rung picture fuzzy sets can handle complex fuzzy and impression information by changing a parameter q based on the different hesitation degree, and Yager operator is a useful aggregation technology that can control the uncertainty of valuating data from some experts and thus get intensive information...
Proceedings Article

Wireless power transmission system for charging the inspection robot on power transmission lines

Mingbo Yang, Qingzeng Ma, Guodong Yang, Zize Liang, Hao Lin
In order to prolong continuous working time of the mobile robot to inspect on transmission lines, a robotic power management system is introduced in this paper based on the wireless power transmission technology. Magnetic resonance coupled WPT (wireless power transmission) unit is applied and its performance...

The Impact of Social Exchange Relationship Perception on Employees' Adaptive Performance: The Mediating Role of Emotional Commitment

Lan-yun Wang, Dan Song, Dan-dan Huo
The purpose of this study is to explore the relationship between employees' social exchange relationship perception and adaptive performance. Based on the social exchange theory and performance management theory, this study investigated 258 employees in Beijing-Tianjin-Hebei Region by questionnaires,...

Research on Investment Decision of Scientific and Technology Insurance Based On the Expected Utility Model

Xu Si-yun, Gao Hong-xian, Wu Yu-xia
Scientific and technological insurance is asocial sharing ap-proach of scientific and technological risk and enterprises and the direct participants and beneficiaries in the insurance. Enterprise behavior in the scientific and technological insurance is critical to the stability of insurance system and...

The Construction of College Employment Guidance Education Service System Under the New Situation

Yun Han
The current employment of college graduates faces new challenges. To do a good job in graduate employment, it is necessary to build a college employment guidance system, so as to give full play to the role of employment guidance in colleges and universities, and to realize the whole process and professionalism...
Proceedings Article

Development of Online Learning Platform for College Ideological and Political Education Based on SSH Architecture

Linying Li
Aiming at the problems of single traditional classroom teaching form and limited time and space in ideological and political education, the author of this paper develops and designs an online learning system of ideological and political education based on SSH framework. In this paper, the SSH architecture...

Research on Performance Evaluation Method for Science & Technology Innovation Group

Chenxi Gou, Xin Li, Yun Cui
Science and technology innovation group, which consists of technology innovation and knowledge innovation, plays an important role of national developing industry. With the rapid development of Chinese industry since the 21st century, higher and more urgent requirements for Chinese industrial scientific...
Proceedings Article

Development of a Heater Structure Based on ITO Films Deposited by RF Magnetron Sputtering for Chip-scale Atomic Clock

Zhong-Shan Zhang, Liang Tang, Qing-Yun Ju, Lei Ji, Meng-Hui Zhi, Dong-Hai Qiao
The heater structure plays an important role in the chip-scale atomic clock (CSAC) to achieve the performance of low power consumption, and it is the most effective way to make the structure by depositing the indium tin oxide (ITO) for its heating performance and transparent property. The influence of...
Proceedings Article

Research on Deployment Height of Sensing Reconnaissance Submunition

Jun Li, Yun Li, Qi Wang, Jun Zou
The Parachute deployment height of sensing reconnaissance submunition has great effect on its landing state and precision; to determine deployment height of sensing reconnaissance submunition, using MATLAB/Simulink simulation platform, the motion of Parachute-Submunition System was simulated by numerical...
Proceedings Article

Multidirectional Forging Simulation Research on a Tee Joint Valve

Jin-Hua Hu, Shi-Peng Shi, Yun-Lai Ren, Zhong-Hai Yu
A numerical tee joint valve model was set up in this paper. The numerical forming simulation was implemented. The load of the upper punch was predicted. The final temperature field shows that varying temperatures are within the feasible forging temperature region. The results from the numerical simulation...

Research on Sino - US Cybersecurity Law Enforcement Cooperation From the Perspective of International Law Enforcement Cooperation

Angang Li, Yun Chen
With the speeding up of economic globalization, the exchange and cooperation between different countries have become the theme of international relations. The world today is increasingly becoming a close global village. However, the increasing prominent problems of transnational crime put forward a serious...
Proceedings Article

A seismometer phase-sensitive detection circuit design

Xuefeng Xing, Huan Liu, Shixue Lv, Guanyu Zhang, Yun Long, Junqiu Wang
Phase-sensitive detection circuit tests signals according to the correlation of the reference signal and the input signal. The noise is eliminated by the independence between the reference signal and the noise signal. The sensitivity of the detector is improved significantly by the suppression of the...

Tire Defects Classification Using Convolution Architecture for Fast Feature Embedding

Yan Zhang, Xuehong Cui, Yun Liu, Bin Yu
Pages: 1056 - 1066
Convolutional Neural Network (CNN) has become an increasingly important research field in machine learning and computer vision. Deep image features can be learned and subsequently used for detection, classification and retrieval tasks in an end-to-end model. In this paper, a supervised feature embedded...

Kernel Fisher Discriminant Analysis with Locality Preserving for Feature Extraction and Recognition

Di Zhang, Jiazhong He, Yun Zhao
Pages: 1059 - 1071
Many previous studies have shown that class classification can be greatly improved by kernel Fisher discriminant analysis (KDA) technique. However, KDA only captures global geometrical structure and disregards local geometrical structure of the data. In this paper, we propose a new feature extraction...
Proceedings Article

Optimization of a Phosphorus-doped Sol-gel Silica Sol Coating on Cotton Fabrics

Jia-Li Gu, Qiang-Hua Zhang, Yun-Bo Chen, Guo-Qiang Chen, Tie-Ling Xing
The pure silica hydrosol and phosphorus-doped silica hydrosol was prepared using sol-gel method with methyltrimethoxylsilane(MTMOS) and tetraethoxysilane(TEOS) as precursors and ammonium biphosphate as a flame retardant(FR) in the presence of hydrochloric acid and cationic /nonionic surfactants in aqueous...

The Practical Relationship Between Mobile Game Social Interaction and Parental Media Intervention Among Rural Teenagers: A Case Study of H Town in Henan Province

Pengyu Li, Xiangyue Yun
With the proposal of the rural revitalization strategy in the report of the 19th National Congress and the promulgation and implementation of the Family Education Promotion Law in 2022, rural family education has increasingly become the focus of attention of all parties. This study adopts qualitative...
Proceedings Article

Calculation and analysis of the wave load of jack-up offshore wind turbine installation vessel during dynamic positioning

Zhenqiu Yao, Yun Shen, Xin Gu, Linxin Bu
The jacking-up offshore wind turbine installation vessel will under complex ocean condition during its sailing, positioning and working, and the wave loads are needed to be calculated and analyzed as the most complex loads. This paper adopts Near Field Integral Theory which based on integral surface,...

Manifold Regularized Proximal Support Vector Machine via Generalized Eigenvalue

Jun Liang, Fei-yun Zhang, Xiao-xia Xiong, Xiao-bo Chen, Long Chen, Guo-hui Lan
Pages: 1041 - 1054
Proximal support vector machine via generalized eigenvalue (GEPSVM) is a recently proposed binary classification technique which aims to seek two nonparallel planes so that each one is closest to one of the two datasets while furthest away from the other. In this paper, we proposed a novel method called...
Proceedings Article

Research on Personalized Recommendation System in E-Learning Based onSemantic Web

Gu Yun-Feng
The semantic web is the future of web, which gives the network information with well-structured semantic meaning. Aiming at the need for characteristic learning, this paper analyzes the development of the personalized recommendation system, puts forward a personalized recommendation system in the E-Learning...

Study on Correlation between Agricultural Production and Agricultural Economy of Xinjiang

Mengtao Zhang, Chuanhui Zhang
Agriculture is the main industry, form part of the main income of rural residents in Xinjiang and Xinjiang economy. Q. I mainly from the impact of the Agricultural Industry on Xinjiang agricultural economy, analyzes the current relevance of agricultural production in Xinjiang and Xinjiang agricultural...
Proceedings Article

3D-Computer Simulation of Physical Transfer Process in Laser Molten Pool

Bo Yang, Xi-chen Yang, Jian-bo Lei, Yun-shan Wang
The physical mathematic model for heat transfer and convection in laser molten pool established. 3D-computer simulation of temperature and fluid fields has been completed with finite difference method. It is shown that in laser molten pool there is a strong fluid flow, which is symmetrical in XY plane...
Proceedings Article

Research of Robot Path Planning Based on Improved Artificial Potential Field

Yun Du, Yanya Nan
Though the artificial potential field applying to the path planning of mobile robot has the advantages of rapid respondent speed, small computation and real-time property, there are still problems such as the goal unreachable and existence of a local minimum point value, thus the improved artificial...

Thoughts on "Going Out" of School-enterprise Cooperation of Higher Education in Yunnan

Jianhui Yun, Wei Long
This paper clarifies the implementation of "the Belt and Road" initiative, the construction of Southeast Asia and Southeast Asia-oriented radiation center, and the internationalization of higher education. With this as basis, it analyzes the "going out" status of school-enterprise cooperation of higher...

Management Incentives, Nature of Ownership and Risk Taking in China’s Listed Companies

Fang Gao, Yun Peng
This paper selects the data of Chinese listed companies from 2017–2019 to study the impact of management monetary compensation incentives and equity incentives on corporate risk-taking, and further studies the impact of management incentives on risk-taking of listed companies from the perspective of...

Study on Revenue Distribution of Passenger Platform under the Integrated Transportation Value Chain

Yun Xiao, Lang Wei
As a new intermediary organization mode, passenger Platform play an important role in constructing integrated transportation value chain and providing completed transportation products. Revenue distribution of is an important prerequisite for the stability of the passenger platform. According to the...
Proceedings Article

The Oxidation Kinetics of Magnesium Sulfite in Homogenous System

W. D. Zhang, C. Q. Kong, C. F. Zhang, Z. W. Shen, P. F. He
The oxidation rate of magnesium sulfite is important for the application of wet magnesia desulfurization, which is suitable for the industrial boilers in china. In this work, the oxidation rate of magnesium sulfite without addition in homogeneous condition is studied, magnesium sulfite was oxidated in...
Proceedings Article

The Application of Mathematical Morphology in the Disturbance Detection of Power Quality

Yanqin Hu, Yin Gao
A method combining ? ? conversion and d q conversion to detect power quality disturbances is proposed based on previous studies?which makes use of the characteristics of voltage perturbation signal. It designs two filter elements by choosing a suitable structural element to locate the voltage perturbation...
Proceedings Article

Entrapment of Rhizopus oryzae lipase displayed on Saccharomyces cerevisiae surface as whole cell biocatalyst for biodiesel synthesis

Wei Jia, Rui Zhang, Yun Liu
In this work, the whole cell biocatalyst of Rhizopus oryzae lipase (ROL), a versatile lipase for biodiesel production, was successfully developed through surface display technique using a-agglutinin 2 (Aga2) as an anchor protein and Saccharimyces cevevisiea as anchor yeast cell. The enzyme properties...
Proceedings Article

Shadow Suppression Based on Adaptive Gaussian Mixture Model

Yun Liu, Wen Zhao
According to the HSV color space characteristics , changes the modeling space in the process of Gaussian mixture model, based on the setting of each component, deals with shadow casted by using the Gaussian mixture model algorithm detecting the moving objects. Morphological operators are used to compensate...
Proceedings Article

Hexavalent half-arc-transitive graphs of order 6p

Xiuyun Wang
A graph is half-arc-transitive if its auto orphism group acts transitively on its vertex set and edge set, but not arc set. Y-Q. Feng et al. gave the classification of tetravalent half-arc-transitive graph of order 6p. In this paper, we proved that hexavalent half-arc-transitive graph of order 6p has...