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In today’s context of globalization and technological change, the assessment of language skills transcends conventional boundaries. This article explores innovative practices in language assessment in depth, highlighting contemporary challenges, emerging solutions, and the ethical issues that arise from...

With the rapid development of China's economy and science and technology, the overall development of the construction industry shows a good trend, which means that the construction industry will have a very broad development prospect and market in China in the next few years. Therefore, more and...

In recent years, along with the continuous development of empirical research methods, there has been a proliferation of studies surrounding the relationship between investor sentiment and stock returns in recent years. Under the field of behavioral finance, research on investor sentiment is also a keen...

With the optimization of printing technology and the advent of the era of universal printing, the number of cases involving the traceability of laser printed document is increasing and the complexity of cases is by no means the past. Printers and copiers have become an important medium for governments,...

The COVID-19 pandemic outbreak happened in 2019, which influences the economy, society and education of the society. It firstly broke out in Wuhan, China and spread widely within a few months, affecting 153 million people (Flores et al., 2021)4. The COVID-19 pandemic has drastically influenced our lifestyle...

This study constructs a digital twin model of manufacturing and processing equipment, integrates large-scale production data, conducts in-depth analysis of production behavior, and carries out deep learning and production parameter optimization training. It utilizes the dynamic updating ability of artificial...

As a major agricultural city in Anhui Province, Bozhou relies heavily on rivers, ponds, and other aquatic resources to support ecological governance and food security. In recent years, its aquatic ecosystems have been profoundly affected by intensive agricultural activities and rapid urbanization. Data...

Using AT89C52 single chip microcomputer to complete the design of the intelligent electronic timing relay, not only can well realize the arbitrary set of time, but also can be accurate to milliseconds. This design from the total block diagram of hardware design, described the design of hardware and software...

In order to explain the mechanism of the calcium oscillations induced by the calcium-induced calcium release in non-excitable cells, the Kummer-Olsen calcium oscillation model was proposed. In this paper, by using the qualitative theory, bifurcation theorem and the center manifold theory, the nonlinear...

Design the questionnaire of 'Job Satisfaction of Teachers in Private Universities', choose the teachers in three private universities of one province in south central China as the respondents and use the statistical software SPSS17.0 to do statistics and analysis. The results show that the overall degree...

With the rapid development of China's capital market, the enterprise valuation becomes more and more important. In China, the discounted cash flow method is the most widely used method in the practice of enterprise valuation. This paper researched the related theories of unleveraged free cash flow discount...

This study examines and compares different Fuzzy Cognitive Map structures that researchers have pro-posed for developing Medical Decision Support Sys-tems. Fuzzy Cognitive Map is a soft computing tech-nique that have gained a good reputation in the last decade and it has been used successfully in different...

Special software for disc brake was developed based on Visual Basic language, in order to design the brake automatically and professionally. The developing principles were easy application, professional design and intelligent operation. Calculating and checking patterns for the main parts of the brake...

Supply chain finance is an innovative service that integrates financial service and logistics service. The business is rooted in the real transaction in the supply chain, which can realize the win-win situation among SMEs, financial institutions and logistics enterprises. It solves the financing difficulties...

In the field of preschool education,male teachers, a new emerging force, possess some peculiar educational values, which have aroused more and more attentions. With the deepening of preschool educational reforms, a growing number of males enter into the field of preschool education. Nevertheless, influenced...

In this paper, we conduct research on the reasonable strategy of the development of commercial banks under the perspective of P2P Internet financial risks. P2P financial model mainly for China's small and medium enterprises and individuals to provides financing services. Generally need to use e-commerce...

Based on the topological theory and MATLAB program, molecular connectivity index (Xi), molecular shape index (Ki), electrotopological state index (Ei) and electro-negativity distance vector (Mi) were calculated for 117 nitrogen-containing polycyclic aromatic hydrocarbons. A eight-element regression model...

Obstacles of cross-strait cooperation in vocational education mainly lie in negative political and policy factors, lack of long-term mechanisms concerning complementary advantages and win-win achievement, mismatching of professional certification system as well as adverse cultural and psychological factors....

A HVDC supplementary controller is designed based on Extension control method, the controller can be divided into different feature status depending on the magnitude and speed of the system frequency change, to take a different calculation method to control the output in different measurement modes quickly...

In recent years, power line carrier communication (PLC) have been a focus once again, which is mainly achieved by orthogonal frequency division multiplexing (OFDM) Currently. OFDM is a multi-carrier modulation technique with densely spaced sub-carriers, that has gained a lot of popularity among the broadband...

Along with the development of modern warfare, the emergences of various kinds of low-altitude and slow-speed dim targets and sea-surface slow-speed dim targets makes the defensive radar be faced with increasingly severe tests of detecting in clutter; currently, it is difficult for a regular single radar...

Promoting student's communication skill, particularly in writing, has been issue for the past decades. Some researches have been conducted to formulate the framework of learning environment which is developed to engage to describe the wuality and its characters of pedagogy infrastructures in web based...

R&D capital stock is often used in the study of high-tech industry, but there are some deficiencies in the existing methods of measuring R&D capital stock. Based on the existing literature, a new method to estimate R&D capital stock is proposed in this paper. We measure the R&D capital stock of 17 industry...

The successful launch of CSI 300 stock index futures on the market improve China's capital market, the operating efficiency of the market and provide investors a risk management tool which can hedge and arbitrage. The existing time of CSI 300 stock index futures is short, so the existing research is...

Ant colony algorithm (ACA) is a very effective way for traveling salesman problem (TSP) due to the positive feedback and the distributed parallel computing mechanism. But it has many drawbacks, for example, long search time, precocity and stagnation. In order to speed up convergence rate and ensure the...

Aiming at wide variations in loads and moment of inertia of the machine tool position servo system, the position loop controller is designed based on RBF neural network control and predictive control. The mathematical model of AC PMSM is established. The predictive model is designed based on controlled...

In order to manage the copyrights for digital video on Android operation system, on the basis of summarizing traditional video encryption algorithm proposed a new video encryption algorithms, perceptual encryption algorithm. This algorithm can select important data to encrypt, and can control the intensity...

Complex VR scenes, containing hundreds of multi-resolution models with millions polygons, cannot achieve real-time performance and verisimilitude at the same time. How to adaptively choose the appropriate level of resolutions according to the data volume and hardware/software environment is therefore...

Hot pressing method although can effectively improve the density of the rapid hardening slice powder, but due to the rapid hardening slice heat ultrafine microstructure of aluminum alloy powder body approximately in to static pressure state, under the limited high loading stress condition, high temperature...

A three-dimensional SCR reactor model of 660MW coal fired unit was established by using FLUENT coupled detailed reaction kinetics. The effect of different ammonia injection strategies and the specific surface area of catalyst on the denitrification reaction were studied by the model. The results show...

Network lifestyle is a hot issue for scholars in recent years, it have a profound impact to college students living, learning, cognitive and even values. In this study, based on lifestyle measurement methods in sociological research, to get the concept, content and analysis model of network lifestyle,...

Integrated design of airframe/propulsion of hypersonic vehicles is a problem of multi-objective multidisciplinary design optimization (MDO) for complex coupled systems in nature. In order to implement a MDO on airframe/propulsion integration, firstly the design structure matrix was established based...

The emergence of more powerful computational techniques has stimulated the development and study of more sophisticated models for portfolio selection problem including further constraints and further financial and non-financial decision criteria. In this paper, we propose a hybrid approach composed of...

A large number of malicious apps focus on stealing personal and financial information. It is very important to detect such apps as early as possible in order to prevent subsequent crimes. DroidBox incorporating TaintDroid detects leakage of private information, IMEI (International Mobile Station Equipment...

The requirement and the status of the detection of the moving stick are introduced, and the Hough transform and the canny gradient are introduced to identify the movement of the object in the scene. By extracting the Canny gradient of the moving object, the Hough line detection is performed on the gradient...

The challenge of supporting education is the acceptance of graduates in the world of work with quality in accordance with career standards. The graduates are faced with competition between universities in the country and abroad in line with the Asean Economic Community (MEA). Graduates' competence is...

The teaching mode of "flipping classroom" course is adopted to reform the course of "Network Database", and according to the teaching knowledge point, the teaching PPT, teaching video, micro-course and other kinds of teaching resources are made. Enrich the MOOC online teaching resource library for the...

The dramatic success of Artificial Intelligence applications has been accompanied by more complexity, which makes its comprehension for final users more difficult and damages trustworthiness as a result. Within this context, the emergence of Explainable AI aims to make intelligent systems decisions and...

The current state of innovative training talents is serious. The ministry of education clearly pointed out that colleges and universities should promote entrepreneurship and innovation education as a comprehensive reform, including the innovation and entrepreneurship education. Based on the above understanding,...

Wu's ancestral hall, the First ancestral hall in Eastern Hubei Province, is one of the best-preserved ancient ancestral temples discovered at present, and it is known as the “Hubei Folk Art Treasury”. This article focuses on the description of Wu's ancestral hall space, and expounds the influence of...

In order to investigate the effect of moisture content on cohesive subgrade soils dynamic resilient modulus, a series of dynamic-triaxial test were carried out. Based on the matric suctions measured by the filter paper method, the relationship between dynamic resilient modulus and matric suctions were...

Flight management system is an important part of avionics system. Traditionally, the schedulability analysis of this system was carried out after the design of the system was completed and in the stage of implementation and verification, this made the system unable to accurately analyze the hardware...

The article considers a complex of ideas of Pierre Bayle, the famous French thinker of the XVIIth century, related to the religion, morality, and freedom. The great Voltaire, who, like all enlighteners, experienced the strongest influence of Bayle's main work “The Historical and Critical Dictionary”,...

Woody Allen is a representative of Hollywood's "literary directors", research on whose work has mainly concentrated on analysis of the narrative structure and urban culture of his films in recent years. For example, The Space Narrative of Woody Allen's Films by Dai Bojun, Daily Narrative of Woody Allenby...

The paper presents the study of epizootological situation with demodicosis infestation of dogs in the Central Chernozem region of the Russian Federation from 2010 to 2017. The retrospective and operational analysis of veterinary reports of public and private veterinary institutions was carried out. In...

It is found in empirical analysis that although the substantive reform of court trial has improved the situation in which traditional criminal trials become formalistic to some degree, thereare still problems in the investigation of documentary evidence in criminal trial, such as chaotic procedure of...

In this paper, we solve multi-objective programming problems with equilibrium constr- aints by means of homotopy interior point algorithm. We also prove the global convergence of this homotopy interior point algorithm under assumptions. Moreover, the results of the numeric example shows that this method...

A simplified linear model is studied for the complex nonlinear model for a class of saucer-shaped aircraft in this paper. Then a feedback control law is designed to achieve the tracking of given attitude angle. What is more, a kind of gain adjusting law by fuzzy changes with errors is designed in order...

Lithium batteries recently become recommended power sources due to its advantages which have high specific energy, high capacity, long cycle, etc. The development of lithium batteries pushes the development and production of electonic equipments to the next step. As the effect, the demand for electronic...

The aim of this paper is to analyze influence of inertia moment on dynamic characteristics of mixing system. First, the basic structure of mixing system is introduced, and the working principle of mixing system is illustrated. Second, the simulation model of mixing system is established based on AMESim...