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Leakage of oil and petroleum products can cause serious soil pollution. Traditional monitoring method for soil petroleum hydrocarbon pollution finds it difficult to diagnose a large area of soil contaminated area, while visible and near infrared (VNIR) spectroscopy technology boasts advantages like fast...

This paper presents a method of detecting pedestrian’s side in video frames of cluttered scenes. This detection technique is based on the novel idea of wavelet template and SOM neutral network. In order to make detection results more accurate and reduce computation cost, we process video frames for interpolation...

In the big data background, the uncertainty of data is increasingly apparent. Multi-polar fuzzy feature of data has been more popularly used by the research community for the purpose of the classification of weighing cheating in dynamic truck scale characteristic and the clustering problem of multi-polar...

On this basis, according to the actual needs of enterprises, the enterprise management accounting system is optimized. Through the research of Drools rules engine, the development of management accounting system based on Drools rules engine is realized, and the software architecture of the system is...

This research aims to describe child-friendly school research schemes that have been implemented by previous researchers. This systematic literature review (SLR) method refers to PRISMA (Preferred Reporting Item for Systematic Review and Meta-Analysis), which examines Scopus documents from 2010 to 2024...

Narcissistic personality disorder (NPD) is a personality disorder that seriously impairs mental health and affects an individual’s life. This review aims to provide an overview of NPD. This article summarizes the etiology, subtypes and psychotherapy of narcissistic personality disorder. In the results...

the multispectral imaging used in identification of Chinese medicine slices (CMS) can identify the authenticity of CMS and evaluate their quality by comparing the characteristic spectral curve from spectral cube. In order to apply multispectral imaging to actual application of CMS identification. Automatically...

Vocabulary is one of the three elements of language, as an important position in English learning. Vocabulary has always been the various stages of English teaching's basic and difficulties. Mobile learning breaks through the time and space constraints of the traditional teaching model. The vocabulary...

Traceability can be considered a key factor in agriculture-food sector. Based on the survey data of Yangzhou consumers, analyze the consumers' cognition of pork traceability system by descriptive statistics, and use regression analysis model to extract the main factors of influence customers' willingness...

In this paper, we investigate an acoustic transmission technology in Production Logging, The subsurface equipment has be installed during pump operation, the logging tools and transmission system Installed in the bottom of the pump and into the wellbore together. Raw log datas are transformed into regular...

This paper takes the international tourism island as the background, illustrating the current situation and advantages of tourism service and tourism service trade of Hainan. In this paper, we also analyze the current problems in developing tourism service trade, and put forward some targeted proposals.

We first establish the relationship between the grid cell connectivity matrix bandwidth and the efficiency of parallel computing, which shows that parallel efficiency can be improved by reducing the bandwidth so that the external communication is reduced. An algorithm based on the AD algorithm is developed...

Basic copper carbonate [Cu2(OH)2CO3]with sphere-like morphology had been prepared via a direct precipitation route by controlled reaction conditions. Crude materials were cupric chloride solution and sodium carbonate solution. The factors like reaction temperature and reaction pH were studied. Scanning...

Our Physical education offers professional sports for nearly 20 years, but is still in its infancy, there are many immature places. Current construction of sports relies mainly on the leapfrog development of mass sports, sports professionals is to promote the development of mass sports backbone, so to...

In recent years, social ideological trends have shown sporadic and fragmentary, perceptual and daily life, mutual penetration and mutual development. The social ideological trends have had a double influence on the development of college students' ideological quality. In view of the negative influence...

In this paper, the location optimization scheme based on stepwise screening method is put forward to assist the Zambezi River management. Firstly, we evaluate three options based on multivariate analysis and find that the third option is the most appropriate one. Then we analyze with improved Analytic...

For optimization problem in complex systems, normally, the objective funtion with respect to decision-making variables is hardly obtained or quantified. In this paper, a novel approach is presented. Its first procedure is to model the objective function by fitting experimental data with NN. Secondly,...

A proper volume of return flow pump and accumulator is a premise for ABS control. The model of ABS hydraulic unit was established in MATLAB/Simulink, and an extreme case of ABS return flow for some domestic commercial vehicle was taken in simulation to match the volume of return flow pump and accumulator....

This article exploits a fast algorithm to watermark implant and extract, which first transform N×N(N=2n) two dimension DCT into one dimension DCT with N numbers of points. And then the adopted algorithm implants watermark using matrix decomposition and masterly adjusting interrelation of DCT coefficients,...

Intelligent traffic system (ITS) is one of the effective ways to solve the problem of traffic congestion. As an important part of ITS, traffic index prediction is the key of traffic guidance and traffic control. In this paper, we propose a method integrating pattern feature to sequence model for traffic...

In order to ensure educational equity, reduce the pressure of compulsory education, and effectively guarantee overall educational equity, the state has introduced a lottery policy, which is a computerized random assignment to determine the secondary schools that students within a district attend. The...

This study examines the impact of teaching reform in media majors using the new media operation and management course as a case study, based on the educational concept of “Curriculum Ideological and Political Education”. The study included undergraduate students majoring in web and new media from the...

The era of digitalization is an era that cannot be avoided anymore. Starting from the Industry 1.0 revolution to the current 4.0, where the digitalization era has transformed every aspect of people’s lives, including the banking industry, towards digital. Consumer trends, government policies, regulators,...

Artificial intelligence (AI)-driven big data analysis, algorithms and computing power introduce new thinking models and decision-making methods for social science research, reconfigure the research paradigm, and thus enhance the depth and breadth of understanding of social phenomena and the laws of social...

Nowadays, due to some internal conflicts such as political and economic problems, and especially religional conflicts and intervention by other great powers, wars and racial oppression have occured and even lead to a large number of citizens turing to be refugees, and finally here comes global refugee...

The students' ability training through calligraphy teaching in universities is presented mainly as follows: Training of appreciation ability that stresses on communication between students and teachers and first gets a clear picture about what the students are thinking in study. Training of the observation...

The version change, which cannot be considered as an independent process, is a fundamental factor for designing the workflow model. Due to that the traditional workflow model is unidirectional, it could not identify the range of version change and restart the tasks which are need to be changed. This...

Aiming at automobile gears, the three-level manufacturability evaluation system was proposed. The system includes the structural processing evaluation, the machinability evaluation of features and comprehensive evaluation. This paper mainly introduces the first and second level manufacturability evaluation....

This paper proposes asymmetric cascaded multilevel inverter with unequal dc-link voltage ratio. Meanwhile, it’s proved when asymmetric topology with dc-link ratio of 1:2:4, the output voltage level can be maximized with the same number of devices. For this kind of topology, this paper designs the corresponding...

Short-term load prediction of power system has great significance for safety and economy of power system operation as basic content of power system operation management and real-time control. In the paper, power system short-term load predicting model based on RBF neural network was established. Influences...

Based on a series of studies on employment ability at China and abroad, this paper compiles a survey questionnaire for the employment status of college students in Jilin Province in 2017, and conducted a survey in 392 employer units. The survey results show that different types of employers have different...

With the deepening of the development of the Internet age and the work of profound changes in thinking, on all sectors of research institutions, management; down to the major forums, the media, language will be called data, language will talk about information, large data applications in the academic...

The electrochemical reaction mechanism and electro crystallization process of hafnium in the NaCl-KCl-NaF-HfO2 molten salt were examined at 973K by means of cyclic voltammetry, chronopotentiometry, and chronoamperometry techniques. The results show that the electrochemical reduction mechanism of hafnium...

Foshan has always been attaching great importance to the revitalization and upgrade of ancient villages. However, the revitalized ancient villages have the problem of insufficient vitality. Developing tourism in ancient villages is an important way to enhance the vitality of the ancient village and increase...

The study investigates the development of integrated medical and nursing services in District S, aiming to improve elderly quality of life, reduce burdens on families and society, and promote the advancement of elderly services. The research examines the current state of service institutions, contents,...

The implementation of extended producer responsibility system is an inherent requirement for accelerating the construction of ecological civilization and green, circular and low-carbon development. In recent years, China has actively implemented extended producer responsibility system in many industries;...

Foreign exchange reserves are one of the macroeconomic indicators that play a role in determining national economic stability through its role as a medium of exchange for international economic activity and its influence on the stability of currency exchange rates. Through this study, researchers want...

In the era of big data, the social environment is developing every day, and without exception company social environment will issue corresponding advertisements in response to different social policies to increase the influence of publicity. Grier and Deshpande’s article mention the theory of group identity....

This research discusses the development strategy of Amazon based on the acquisition of MGM in 2021. Using quantitative data-table and industrial reports as main researching methods, the research finds that the effect of COVID-19 and some problems in administration after merging with MGM are all the challenges...

Starting from the necessity of cultivating the professional command ability of officer students in military colleges and universities, this paper first introduces the connotation of professional command ability, analyzes its basic composition and training requirements, and finally puts forward the implementation...

Implementation of railway maintenance job could not only greatly improve the service life of the railway, but is of great significance to the safety of railway transportation. In the article, combined with the basic connotation of PDCA cycle management, we propose some strategies to improve the efficiency...

The business tax is a kind of tax collected by total business turnover derived from the provision of taxable services, the transfer of intangible assets and the sale of immovable property in China, while the value-added tax (VAT) is a kind of turnover tax levied on the increase in the value of goods...

Archives information resource is an important part of information resources, which contains abundant information. With the advent of the information age, the importance of the value of archives is becoming more and more popular. The development and utilization of archives information resources is highly...

This paper analyzed the annual change and seasonal variation of Cd in Jiaozhou Bay during 1979-1983. Results showed that the highest values of Cd contents in 1979-1982 were confirm to Grade I (1.00 g L-1) of National Sea Water Quality Standard (GB 3097-1997), yet in 1983 were Grade II. For temporal changes,...

Systematic research on monomolecular layer of asymmetrically substituted Copper ( ) Phthalocyanine (CuPc) and mixed CuPc with arachidic acid (AA) has been done. In this paper an attention is focused upon the molecular orientation in the film by means of the surface pressure-area ( -A) isotherm method,...

Aiming at the issues of subjectivity, coverage and ambiguity, this paper presents a systematic approach to constructing fault trees of flight conflict at airport based on HAZOP. First, the necessary deviation events are determined by associating the HAZOP guide words with the ATC parameters of terminal...

With lifelong fitness and sports science slogans started, people are increasingly concerned about their own health problems. Forms of exercise fitness group gymnastics loved by the masses, paper Xianning club members for the study, based on survey data population group Exercises basic features and behavioral...

The automatic modulation identification for communication signals is an important problem in the intercepted signal processing and widely used in non-cooperation communication of military and commercial. This paper proposes a method that based on the second and fourth order cumulants of received signal...

Edge rolling is a vital method for width control in rolling. The plastic deformation doesn't go deep into center of the slab, since the high ratio of width to thickness, and only occurs in the edge. Cosine dog-bone model is applied to describe dog-bone shape and used to establish a knematically admissible...

Membrane separator in microbial fuel cell (MFCs) is one of the main factors that could significantly affect the performance of MFC. Proton exchange membranes (PEMs) are typically used in two-chamber microbial fuel cells to separate the anode and cathode chambers while to allow the transfer of protons...