Search all articles

This paper illustrates the OPC technology's shortcomings of the platform portability, remote data access and security aspects of industrial automatic production. For the limitations of the OPC on these aspects, the OPC Foundation presented the improved concept of OPC UA. This paper described the OPC...

The development of cutting technology of hard and brittle material went through cylindrical cutting and internal cutting,free mortar multi-line cutting and diamond multi-line cutting.At present the main processing method of solar grade silicon rod slicing is free mortar multi-line cutting and diamond...

Software engineering implementation is to apply software engineering theory for software development organizations in order to improve the product development time (T), quality (Q), cost (C), service (S) of software development organization. The most important is the engineering software development...

Interest rate risk emerges with the development of interest rate marketization in China, which makes rate risk management become more and more important. Interest rate risk sensitive gap is one of the most useful management tool to assess and control interest rate risk. This paper uses interest rate...

University teaching quality evaluation system is studied. First the mathematical model of university teaching quality evaluation system is established by using analytic hierarchy process and multistage fuzzy comprehensive evaluation, secondly based on the ARMA (p,q) model the forecast model of university...

For the nonlinear vibration response problems of aerospace thin-walled structures to thermal-acoustic excitation, the theory of structural-acoustic coupling and the coupled FEM/BEM method were used to analyze dynamic response characteristics of super-alloy thin-walled rectangular plates with four edges...

The thesis explores the adsorption of 732 cation exchange resin to remove the excessive amount of iron and manganese in the low-temperature groundwater. The removal effects in different temperature and filtering velocities are analyzed by testing the effluent water quality and measuring the volume of...

Text datas contain rich semantic information. This paper proposed a semantics based on method of text dimension reduction based on ontology. This method utilized Dictionary Library WordNet to discovery semantic relationships in the feature graph of text data and constructed text feature ontologies for...

Delays often occur during some activities in software development projects. Without handling of project delays effectively, many software development projects fail to meet their deadlines. If extra employees with same or similar skills and domain knowledge can be rescheduled for the remaining activities...

For the problem that prediction of coal ash fusion characteristics of blending coals for gasification,using genetic algorithm (GA) to optimize BP neural network on two aspects. Firstly, optimizing hidden layer nodes by binary coding,and getting the best optimal topology of network.Then using real encoding...

This paper aims to find out the media narrative in responding to cases in Palestine and Israel. This study used a qualitative approach with descriptive methods to explain social media narratives. In addition, this study used Qualitative Data Analysis Software (Q-DAS). These methods utilized analysis...

The kinetics of flow around submarine pipeline with spoiler is studied by lattice Boltzmann method. The pipeline is half buried in the seabed. The existence of spoiler not only increases the contact pressure difference along seabed surface, but also leads to additional torque acting on the pipeline center....

This paper based on the theory of constructivism, as a model driven by the task, to the project as a carrier, with the goal of integration, the deconstruction of theoretical courses and experimental courses, break the structure, scattered chapters, refinement knowledge, highlight the typical, integrating...

The administrative levels adjustment could be a path to reduce governmental operation cost. Thus the administrative levels adjustment reform should on the basis of theories of decentralized, matching management scope and level matching, matching power and responsibility, government function transformation...

The flange and web of cold-formed thin-walled steel have small thickness and big width-thickness ratios, its mechanical properties are very different from ordinary steel members. In this paper, we performed three groups of the finite element hysteretic performance analysis of cantilevered member based...

The construction of financial futures risk monitoring system based on the complex transaction processing Sybase ESP oriented financial futures market requirements can greatly enhance the performance of futures transaction risk. This paper mainly introduce the main technical framework of financial futures...

The air-conditioning load will increase in the rooms with the same envelope size and same thermal performance, but in different height. Thermal reaction coefficient method is widely used in calculation of air-conditioning load. Change rule of thermal reaction coefficient can be confirmed by a calculation...

This paper takes the chain type static synchronous compensator as the research object, introducing the principle of STATCOM, studying control strategy under the unbalanced grid voltage condition. It points out that the imbalance not only makes STATCOM output positive, negative sequence voltage, but also...

The blade of the turbo blisk often cracks due to rotor’s resonance. The research on influence degree to the turbine blade mode with different constrains of blisk can gain the universal fixture in the modal tests. For this purpose, the vibrant characteristic of blisk was gained by FEM, as well as the...

The big data analysis of oil wells uses the historical production data of the oilfield to find out the internal relationship between the data, to guide on-site production and to realize energy consumption reduction. Due to the huge of wells’ historical data the big data analysis methods such as descriptive...

There are time-varying parameters within the performance index function and dynamic model of home energy optimization (HEO) which contains thermostatically controlled appliances (TCAs) and electric vehicles (EVs). And TCAs and EVs may be off-line. Adaptive dynamic programming (ADP) can not be applied...

With the development of technology, people is in the form of access to knowledge is constantly changing. The network course intelligent question answering system has become the hotspot and difficulty in the field of natural language processing. It not only integrates the present advanced technology,...

In this paper, we combine the technique of ARM and ZigBee to design and implement the novel smart home system. Through analyzing the data transmission security enhancement model, we modify the traditional model with security concern. Each smart home system can be controlled by the server to facilitate...

Samarium ion substituted magnesium of Ni0.5Zn0.5SmxFe2-xO4 spinel ferrite powders have been prepared by a sol-gel auto-combustion method. XRD results indicate that the production of a single cubic phase of ferrites. Some particles are agglomerated due to the presence of magnetic interactions among particles....

Recreational fishing ship has its unique characteristics and needs special management. The research group analyzed problems of its management, such as lack of management regulations, confusion of supervision responsibilities, poor ship conditions, low management level, and poor professional knowledge...

According to the theory of detonation and stress wave, initial shock pressure in wall of air-decoupled charge was deduced in theoretical and blasting stress field of air-decoupled charge in rock was established. Influence of decoupled coefficient to blasting stress field was analyses combined with test...

This paper presents an automated image registration approach to detecting changes in multi-temporal remote sensing images. The proposed algorithm is based on the scale invariant feature transform (SIFT) and has two phases. The first phase focuses on SIFT feature extraction and on estimation of image...

The condition of developing agriculture has advantageoues in Taierzhuang district of Zaozhuang municipality. But the traditional mode of agricultural production, there are a lot of drawbacks, the development of eco-agriculture is the route one must take the agricultural development in the area. According...

In order to avoid the negative impact of field flat blasting on the surrounding buildings and foundation pit, using deep-hole rupture control scheme. Design of blast hole orifice spacing is 3.0 m, row spacing is 2.5 m; diameter of hole is 90 mm, hole depth between 11 m to 12.6 m; adopt rock emulsion...

The digital economy and the construction of a unified large market are both important topics in economic development, but there are few studies on the impact of the digital economy on the construction of a unified large market. This paper uses the econometric model analysis method to empirically explore...

Tunneling problems of the topic-multiplicity of a web page makes the relevance of the highly relevant page to be weakened. In this paper, we proposed a novel relevance prediction for focused crawling to solve gray tunneling. Our approach is based on calculating the relevancy score of web page based on...

Ah Q is the character of Lu Xun’s novel "the true story of Ah Q". Different people have different analyses of it in different times. This paper, guided by the theory of scientific ontology aesthetics system, from the identity of Ah Q, the spiritual victory law of Ah Q and his character, as well as his...

As the amount ofWaste Electrical and Electronic Equipment (WEEE)increases, the qualified recycler with the high technology and expensive cost have few supply of waste appliances. To solve this situation, China implements a series of take back legislations based on Extended Producer Responsibility. We...

Zn1-xMnxFe2O4(x=0, 0.15, 0.25, 0.35, 0.45, 0.55, 0.75, 0.85) ferrites were synthesized by sol-gel combustion method with citric acid as complexing agent, and mole ratio of metal ions and citric acid is 1:1. All samples were sintered by 550 . The structural and magnetic properties of MnZn ferrites were...

It is important to the aero-engine blade's profile inspection that the aero-engine blade's surface is highly complex with distortions. But its dimensional inspection demands a large number with measurement method most adopts the coordinate measuring machine (CMM). And the rational measurement path planning...

Under the background of the comprehensive reform of the college entrance examination, there are many main factors that affect the decision-making of the elective subjects, such as the relevant documents required by the elective subjects, the scoring method of the elective subjects, the number of elective...

Corporate Venture Capital (CVC) can bring investment companies with financial and strategic value which can promote the value of invested enterprise. However, because of factors of opportunism and asymmetric information, CVC will hinder the value of invested enterprise. This paper uses the data of A-Shares...

Procrastination is a behavior that evades the task. The two key features of procrastination are postponement and irrationality. Procrastination is often manifested by the use of non-urgent tasks instead of urgent ones, with simple and happy work instead of a difficult one. Sometimes procrastinators can...

The phenomenon of silence is widespread in organizations, but at present, the research on organizational silence is mostly focused on the employee level, and rarely involves the leadership level. Q company is chosen as the case study object. Through the semi-structured interview method, this paper summarizes...

Blade is one of the core components of the aero-engine, which requires a high degree of geometric dimension precision, so strict geometric shape detection and evaluation is very necessary to guarantee blade machining quality. Twist error is one of the important parameters of blade quality evaluation,...

A national park’s network attention reflects its development, interest and potential demand. This paper uses the 2017–2023 Baidu Search Index to investigate the network attention of China’s first five national parks. To achieve this, the study employs index analysis, spatial visualisation, and geo-detectors.The...

The aim of this paper is to investigate whether the relationship between risk management and firm performance. Risk disclosure and leverage are the measurements of risk management. Tobin’s Q is proxy for firm performance. This study use panel data from 36 listed companies during 11 years from the period...

Aiming at the problem of Q value update is slow and easy to produce dimension disaster for Q learning algorithm in complex unknown environment, A path planning algorithm for opposite Q learning robot based on virtual sub targets in unknown environment is proposed .The algorithm is according to the state...

For large heavy-duty rotary table, in order to improve the machining precision of the workbench in practical work, the workbench is usually set above the oil film with stable thickness. Therefore, the accurate measurement of the oil film thickness of the workbench hydrostatic guide rail is very important...

The supervision of Complex equipment development (CED) projects is facing a lot of challenges in scheduling and cost control. In this paper, we presented a dy-namic earned value management (DEVM) model based on mathematical programming for the real-time forecast of schedule/cost of CED projects. A similarity...

As the basic unit of society, the community is the front line of epidemic prevention and control. Its emergency management system is an important part of the entire social emergency management system, which is directly related to the effect of epidemic prevention and control in society. However, under...

To solve the difficulties in training on ship, a new simulator was developed by importing, digesting and recreating the Kongsberg simulator. With model-based and object-oriented design following by modular programming method, the whole set of system is developed by VB under Windows platforms and Sequence...

10kV 4H-SiC JBS diodes with various junction extension terminations have been experimentally realized. The protection efficiencies of single JTE and modulation JTE terminations were investigated by means of numerical simulations. The JTE dose window to achieve the high protection efficiency has been...

For decades, studies have used a semi-empirical method to correlate the undrained shear strength ( s u ) of clay with CPTu profiles; however, extensive experimental data indicate significant variability in the...

The power supply problem is one of the main problems facing the capsule-like robot technology. There are many issues worthy of further exploration. Such as the transmitter power and efficiency is not high, the performance can be greatly reduced when increase the using frequency, coil position stability...