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Large-scale blackout accidents are catastrophic events in the power system, causing serious impacts on national economic and social operations. Large-scale power outage accidents are often the result of a combination of many unfavorable factors. In this study, foreign large-scale power outage accidents...

Software Defined Networking (SDN) is an innovative networking technique that separates the data plane and control plane, enabling more effective traffic forwarding and centralized network administration. But the centralized nature of SDN also makes it vulnerable to a variety of attacks, the most prominent...

Airborne Electronic Equipment data is unmeasurable, and computing the parameter based on component model is inaccurate and is time costing. The paper presents airborne electronic equipment parameter estimate method based on clustering by fast search and find of density peaks (CFSFDP) and ant colony optimization...

Essentially speaking, the production and sale of coal logistics enterprise is independent and there is no necessary link between them, but both of them need the support of logistics. Therefore, from the present situation, it becomes a very important problem to develop the logistics of coal enterprises...

The internet is facing many crises and difficulties in the rapid development period. More and more people begin to pay attention to the problem of network security. The most effective strategy is to use data encryption technology to protect the safety of the network. Data encryption technology is divided...

Magnetic nanoparticles have been widely used in the field of biotechnology and medicine, which has a great importance to precise and quantitative detection. This paper introduces a magnetic nanoparticles detection device of low cost, high sensitivity and real-time. When the diameter of the magnetic nanoparticles...

The stock market is an important part of the securities industry and financial industry essential, universal attention by investors. Effective stock prediction plays an important role in the field of financial investment, so on the stock price of analysis and prediction has a very important theoretical...

A spectrum correction algorithm is proposed in this paper to estimate frequency component of a dual-frequency signal accurately, this method is a kind of algebraic algorithm base on the model of dual-frequency or multi-frequency spectrum, and it is a real-time algorithm. The principle of the algorithm...

Based on the superiority of PDE and its physical mechanism analysis from image processing, combining variational methods, functional analysis, differential geometry, projective geometry and other mathematical tools to the image denoising smoothing, image segmentation, image restoration, image to enlarge...

Laser arc sound signal hides welding status information. It is a great significance to control the B&K company and four channels input sound and vibration analyzer. Using wavelet base which is db4, combining different methods to decompose laser arc sound signal. These methods include hard threshold,...

3D non-rigid recovery is a problem of recovering the real shape of 3D deformable object by using some kinds of algorithms. This paper proposes a novel approach to recovery of non-rigid structure using sparse coding in trajectory space. In order to overcome the difficulty of defining the size of trajectory...

The crude oil in Hainan Fushan Oilfield has the characteristics of high pour point(PP) and bad low temperature flow properties. Based on the analysis of Fushan crude oil physical property and test results, the pour point depressant(PPD) FJ-2 was synthesized by the graft copolymerization of vinyl acetate...

The research employed both quantitative and qualitative methods. 50 freshmen from Wuhan Textile University participate in the study. The whole procedure lasted for 8 weeks. At the beginning of the research, i.e. the first week, the questionnaires for evaluation of teacher’s classroom nonverbal behavior...

Cr is one of the critical industrial heavy metal pollutants. Understanding the pollution level and source of Cr in the early stage of the reform is helpful to provide background information to environmental remediation. This paper analyzed the content and distribution of Cr in Jiaozhou Bay waters in...

With the rapid development of social economy, preschool education in China’s national education system has also made great progress: music education has played a subtle role in promoting children’s intelligence, improving personality, cultivating aesthetic ability, perception ability and creativity....

The latest research progress of the floating hydraulic wave power generating device -- (Dragon I) is introduced in this paper. Dragon-I is a kind of point absorbing wave energy conversion device which uses hydraulic electricity generated system with energy storage function as the intermediate link to...

In this paper, the mixed abrasive jet mixing chamber was used as the research object, and the mixing efficiency was improved by introducing the flow around the cylinder in the mixing chamber to enhance the chaos of the flow and promote the turbulence fusion. The three parameters of cylindrical azimuth,...

This paper describes the sources of interference in the DSP system and its harm. The designs of both the hardware and the software anti-jamming technology are given respectively, and the purpose of the DSP system anti-jamming is realized.

In this digital era, information can be easily accessed through features on social media, especially Instagram. Instagram has gained wide popularity among teenagers, especially towards generation Z, who have known technology from an early age. This study aims to find out whether the intensity of Instagram...

In recent years, many IP movies have achieved excellent box office results in China’s movie market, and brand spillover effects are generated due to the fact that the IP itself may transmit quality signals. In this paper, 338 IP movies in the Chinese movie market from 2014 to 2023 are taken as research...

With the advantage of network technology, this paper builds an online teaching system for business management major in higher vocational colleges under the background of “internet+” to solve a series of problems existing in current business management major in higher vocational colleges, such as single...

National soybean independence is a breakthrough, and the Government plans to expand local (national) soybean cultivation by using superior seeds to increase production, especially outside Java, through investment schemes. Through Foreign Investment (PMA) and Domestic Investment (PMDN) to be willing to...

Accurately predicting the onset of cardiovascular disease is one of the most pressing problems in modern medicine. Medical experts devote a great deal of time trying to pin down what's causing this. The goal of using several algorithms, including LR, KNN, SVM, GBC, and the GridSearchCVs, is to forecast...

Today in China, learners start to learn English at increasingly early ages. However, for fifth graders, simple past tense is still difficult in writing. This study investigated simple past tense errors in a writing assessment from three participants. It also examined if the correction feedback strategy...

The article examines the multifaceted piano heritage of S. Maykapar. His compositions register Instructive and artistic value, and addressed to children and youth. Special attention is paid to the analysis of the cycles "First Steps", "20 Preludes for Pedal" and "Songs on the Technique of Double Notes"....

Based on extensive usage of the smoke exhaust ventilator, this paper develops a processing technology of VOCs (volatile organic compound) by photo-catalytic-oxidation technology. This method couples with the existing the smoke exhaust ventilator technology to control the cooking fume emission ---VOCs.

Through the analysis of the questionnaires and statistics of various occupation group managers, the paper finds out the common points and differences in the talent demand among different types of tourism enterprises, then makes exploration and innovation on the training mode of undergraduates whose major...

According to the base theory of heat transfer, a thermodynamic for the permanent synchronous motor of hybrid electric vehicle was studied. The conception of temperature modulation factor was introduced; the temperature raise impacting the fundamental characteristics for motor was analyzed. Then the thermodynamic...

Color is one of the basic subjects in art teaching, including objective description and subjective expression. The essence of art lies in the transcendence for real life. In view of the art teaching in college, the color should break away from the initial stage in which the objective reality is simply...

This paper analyzes user learned historical data’s business characteristics of distance education platform. After comparison and analysis using PrefixSpan algorithm, proposed a model with the ability to track the sequence of interest is recommended changes. Research on key technology of sequence databases,...

Through the analysis of TN-C and TN-S connection mode, this paper expounds the advantages and disadvantages of TN, the voltage distribution of the load is introduced through an example, and further introduces the necessity of developing neutral wire over current alarm device in the distribution network,...

Chongqing must attach great importance to the construction of teacher talents' quality in the process to achieve "Western Education Heights" and the problem of primary teachers training is increasingly attracted widespread attention. This paper thorough thinking the training model of Chongqing primary...

The aim of this study was to investigate the surface propertity and biocompatibility of Ti and Ti6Al4V after the treatments of sandblasting by Al2O3 and etching by hydrochloric acid-sulfuric acid mixture. Surface morphology of samples was observed using scanning electron microscopy and the roughness...

Aiming at the problems in service oriented real-time multimedia transmission, such as a long delay, frequent jitter and low reliability, this paper proposes LD-RPath algorithm LD/RPath estimates the dynamic data volume on service nodes and links through reasonable data volume approximation. And the data...

To solve the problem of energy waste caused by fixed luminance of common lamps, a new fluorescent lamp system is designed which is based on STC SCM. In this system, Light gathering is used to collect and analyzes the light luminance outside by STC; the circuit composed by the PWM is controlled the fluorescent...

Building Information Modeling (BIM) application is increasingly popular across the globe, but not perfect in China. In order to improve BIM application level in building water supply and drainage design, this paper analyzed the application of BIM at home and abroad, and made recommendations for present...

Global buckling of submarine pipeline in high temperature and high pressure has become the key problem in pipeline stability design, which restricts the development of offshore oil and gas resource. Due to the pipeline is full of oil and gas, once to destroy or leak, the state economy and environment...

Along with the deep reform of college, there are new requirements on college education management. The authors come up with a glittering array of countermeasures and suggestions to dig into the problems of college education, and scientifically improve the quality of college education, aiming to carry...

Diffusion bonding is an effective way to join beryllium with other materials. To study the elements diffusion near the bonding interface so that improve the joints performance, the microstructure, and distribution of composition and phase on the interface of Be/00Cr17Ni14Mo2 stainless steel diffusion...

Vehicle’s suspension is an important component to ensure ride comfort, which is called the soul of chassis design. The performance of suspension directly affects the vehicle’s ride comfort and handling stability. The design of the vehicle’s suspension system must fulfill the demand of ride comfort and...

We give a normalized expression for the solutions to the initial value problem for some linear fuzzyinterval differential equations by using a general notation which allows the combination of two types of differences. By switching between these types of differences, we derive several expressions for...

Multimodality as a communicative phenomenon has been theorized and introduced into L2 literacy education in response to the technology-driven divides between home and school, print and screen. This article conceptualizes the role of mode-switching in terms of language, learning, and learner in L2 settings...

The continuous development of new media technologies has resulted in a diversity of communication methods and a wider range of communication. When communicating with new media, the multi-angle dissemination of national image should first consider the multiple dimensions that influence the national image....

Recommender systems have played a relevant role in e-commerce for supporting online users to obtain suggestions about products that best fit their preferences and needs in overloaded search spaces. In such a context, several authors have proposed methods focused on removing the users' inconsistencies...

Until this time not many schools in Indonesia having a standardize model in terms of identification, assessment and comprehensive way to serve children especially students with specific learning disability (SLD) at elementary level. The purpose of this research is to identify the students with SLD especially...

Covid-19 pandemic has a broad impact on the habits of the community, especially for students and housewives in fulfilling their needs. Government recommendations to comply with health protocols with social restrictions cause them to prefer shopping online. Some factors that are thought to influence online...

The aim of this study was to determine whether principal leadership and competence have an effect on junior high school teacher performance in the Air Kumbang district. The descriptive quantitative approach was used in this study. The correlation coefficient between leadership (X1) and performance (Y)...

This study aims to find a model of lecturer performances development to achieve the key performance indicators of higher education. There are six variables studied, including lecturer performance as the dependent variable and work contracts, monitoring systems, assessment systems, consequence actions,...

Child-Friendly expenditures are measured and analyzed in 28 provincial capital cities in China. According to the definition of Child Friendly expenditure by UNICEF and in combination with departmental budget report in China, the Child-Friendly expenditures in provincial capital cities are first measured...

Left-behind children are a special group in Chinese society. While their healthy growth has been widely attended, it is worth noting that the academic problems of left-behind children is less noted. In order to analyze the factors affecting the academic achievement of left-behind children, this paper...