Search all articles

This project focuses on the development of a low-cost, web-controlled surveillance robot using the ESP32microcontroller, which offers Wi-Fi capabilities for real-time remote access. The robot is equipped with a camera module that streams live video to a web interface, allowing users to monitor and control...

This study brings together risk governance theory and proposes a framework of privacy risk identification mechanism for government data openness in order to comprehensively and precisely identify the privacy risks contained in the process of open government data and to help privacy risk governance facilitate...

Since the Efficient Market Hypothesis was proposed by Eugene Fama in 1970, it has been continuously challenged by various market anomalies and financial empirical evidence in the U.S. stock market. Inspired by the reserve effect, the momentum effect and the effect size discovered by De Bondt and Thaler,...

In order to understand the distribution feature of the electromagnetic radiation in nearby regions around the Multi-system mobile communication base stations, a theoretical prediction model of electromagnetic radiation at multi-system base station is proposed, based on the distribution characteristic...

With the popularization of 5G and the advent of the era of integrated media, immersive smart media and the era of scene-based media have begun to gain importance. Firstly, the article compares the origin and current situation of immersive smart media and “scene-based” construction, analyzes the characteristics...

Portfolio selection is a common field in the financial world. Investors are always willing to find an optimal portfolio among several assets. In this paper, this report wants to find out a method that can help investors decide their optimal portfolios quickly through some simple comparison. This report...

This paper analyzes the dilemma faced by Zhejiang Ocean University in the process of carrying out the “Youth Horse Project” against the background of “Big Thinking and Politics”, and explores the path to improve the quality of its “Youth Horse Project” through the phenomenon, hoping that it can serve...

Tencent, as the leading enterprise in Chinese entertainment sector, holds a very large market share. However, as competition becomes more and more intense and diversified, and viewers’ demand for content gradually increases, Tencent must respond if it wants to maintain its previous dominant position,...

The article analyzes the comprehensive level and coordination level of the tourism industry-regional economy-information industry system in Chongqing from 2010 to 2020. The study found that: the comprehensive index of the tourism industry, regional economy, and information industry system has steadily...

Based on the strong demand of e-commerce industry for technical and skilled talents, and taking the construction of high-level e-commerce majors group as the logical starting point, this paper analyzes the main problems faced by the current construction of E-marketing and live E-commerce Major in higher...

Numerous studies have shown that language transfer is central to second language acquisition, and syntactic transfer is an important part of language transfer. At present, the research on syntactic transfer mainly focuses on theoretical errors or marked language analysis. However, it is not practical,...

Rural revitalization is a necessary link to realize the goal of national rejuvenation and people’s happiness in China, and the key to promoting rural economic development. It is worth discussing how to seek the maximum optimization and upgrading of industries in the right opportunity to stimulate the...

This study investigates how the 2015 stock market crash in China affects the characteristics of information spillover among China, Hong Kong, and the United States. The VAR-BEKK-GARCH and DCC-MGARCH models are employed to confirm the changes. Results show that the 2015 crash strengthens both mean and...

Based on the integration of space and time, TGIS system is the most important cornerstone for emergency rescue, while the spatial-temporal data model, in turn, is the vital foundation of TGIS. In recent years, various kinds of spatial-temporal data model have been developed. Consequently, this paper...

As a theory to study the effectiveness of leadership behavior, after years of development, the leadership member exchange theory has become a hot spot and key field in the research of leadership behavior in management psychology and has attracted the attention of many scholars. As an important theory...

Based on the companies issuing Medium Term Notes (MTNs) listed at Shanghai Stock Exchange (SSE), this paper applies the Logistic model and pair sample analysis to study the key factors that determines the listed companies financing decisions of issuing MTNs from enterprise’s business conditions, financial...

Curriculum assessment is the key link of curriculum construction. It is not only the test of students’ knowledge mastery, but also the propeller to implement teaching reform and improve teaching efficiency. This paper focuses on the core concept of engineering education certification, and carries out...

A "Thermal-Micromechanics" coupling approach for corrosion and crack of anchor in the corrosive environment is researched in this study. The thermal module of software PFC2D is applied to simulate diffusion of corrosive media in the concrete while the mechanics module of PFC2D is applied to model stress...

Over-consumption has become a major problem faced by the world today, including the waste and exhaustion of resources caused by excessive consumption, and obesity caused by excessive consumption of unhealthy food. In recent years, research on over-consumption has shown a growing trend, but few studies...

With the development of computer and related technology, makes the computing, communications, network and sensor, and other functions are integrated in wireless sensor network technologies. This article is precisely based on this research background, we have analyzed the overall design of wireless sensor...

Along with computer technology's popularization and application and popularization, the network technology has been widely used, the resulting network security issues have become increasingly prominent, the network itself and network information system which is based on the potential security risks....

The optical properties of one-dimensional photonic crystals with Er2O3/Si structure are designed and calculated by Finite-Difference Time-Domain method. The influence of different thickness and reflectivity on the radiation properties were studied. It was found that the radiation spectral intensity at...

The stress calculated method of isogeometric structure analysis is studied in this paper. Based on the fact that stress calculated values at Guass integral points are more accurate than other locations, the stress field can be rebuilt by fitting the Guass integral point’s stress value from the displacement...

Since the beginning of the 21st century, the wave of mergers and acquisitions in China’s domestic beauty industry has been surging. M&A is a complex high-risk investment activity, and its core is financial activities. From many successful and failed cases of M&A, it can be found that the failure...

The furrow opener is the important working parts of the seeding machine. In this paper, we would design the furrow opener of core ploughshare based on many parameters such as the width, the penetrating clearance angle angle, the slope angle. A series of new opener was designed using the uniform design...

Electronic structures and optical properties of bulk -FeSi2 are investigated in detail by first principles pseudo-potential methods based on the density function theory. The calculated results show that -FeSi2 is a quasidirect band gap material with gap value of 0.74eV. The density of states is mainly...

Periodic signal has practical applications in many occasions the periodic signal met Dirichlet’s condition can expanse in Fourier series.Usually series expansion coefficients indicates the amplitude of the signal harmonics. Only the mathematical expectation for the known periodic signals using Fourier...

This paper is based on incentive theory to analyze which factors will influence director compensation. We search data from 2017-2020 American internet firms, through correlation analysis we find a weak relationship between director compensation and these factors. Then we find director compensation is...

To take account of the fact for an automotive hydraulic power steering system have serious energy loss, this paper discusses the configuration and the action principle of a new variable displacement of double-action vane pump, which consists of a floating block and rate compensation characteristics....

New energy vehicles are now the preferred means of transportation for energy saving and emission reduction, but their prices are also higher than traditional oil vehicles. To encourage consumers to accept new energy vehicles, governments have introduced many preferential subsidies. As a result, the current...

The “Nineteenth National Congress” of the Communist Party of China has constantly put forward the sustainable development idea of strengthening the construction of ecological civilization, speeding up the reform of ecological civilization system, promoting green development and building a beautiful China....

Through numerical simulation method based the Fluent to find the rule of the sailing resistance of the amphibious vehicle in calm water . By comparing the results of the simulation and the towing test, it is observed that the simulation results is accorded very well with the test results .It is proved...

Too aircraft hold on the ground not only brings inconvenience to passenger travel, but also increases the operation cost of airlines. Power supply equipment mainly includes APU (Auxiliary Power Unit) and 400Hz electrical power. According to aircraft ground operational situation, a mathematic model was...

This paper focuses on the change in the attitudes that countries around the world have toward China. This study is shown through the comparison of two reports on the 2008 and 2022 Olympics that both took place in China. The main methods are using word clouds to create straightforward graphs and rhetorical...

with the development of high technology, inverter request higher capacity. However, the traditional two level inverter capacities of the power electronic devices have been difficult to achieve high power requirements. Therefore, the national science and technology workers continue to put forward a variety...

Based on the analysis of working principle and simplified model, a kind of magneto-rheological damper is designed and developed, which is used in vehicle seat suspension. Under different control currents and different excitation frequency inputs, damping characteristics experiments of magneto-rheological...

A kind of text classification method based on fuzzy vector space model and neural networks is proposed in the paper according to the problems that a text can be belongs to many types during the text classification. Fuzzy theory is adopted in the method to look the occurring position of feature items...

The crack tip fields for anti-plane crack in functionally graded piezoelectric materials (FGPMs) under mechanical and electrical loadings are investigated. The elastic stiffness, piezoelectric parameter and dielectric permittivity of FGPMs are assumed to be exponential function of y perpendicular to...

To differentiate between silence and voice segment of English speech signal is very important in English IBT systems. In order to improve the accuracy of the end detection in traditional detection method of speech end, a silence/voice detection method of speech signals using wavelet transform parameters...

Virtual reality technology is applied to production engineering, it provides a revolutionary change to the oil industry. This paper we first analyze the function of simulation platform, then set up basic framework of the system, use 3dsmax and simulation software to simulate wellbore, oil-gas-water mining...

fuzzy factors in the helical gear reducer design are analyzed, and a multi-objective optimization model with minimum volume and maximum bearing capacity is established in this paper. Optimal level cut-set method is introduced to conduct comprehensive evaluation on constraining fuzziness and convert the...

Laboratory management is an important part of teaching and scientific research in Colleges and universities. It is the basic work of campus digital construction. This paper puts forward two kinds of structure models of laboratory management integrated information system based on network environment and...

In 2016, General Secretary Xi Jinping emphasized at the National Conference on Ideological and Political Work in Colleges that ideological and political work should run through the whole process of education and teaching. It create a new situation for the development of higher education in our country....

In recent years, the measurement and controlment of the tiny gas flow have been gained widely attention in some emerging areas, such as biological, medical, aerospace and so on. In order to study the characteristics of the tiny gas flow meter, the tiny gas flow calibrator based on the principle of the...

In large-scale urban adaptation and real estate development process, some protective cultural relic buildings and modern excellent architecture face the reality of being demolished, that will produce a large number of construction rubbish, pollute the environment , at the same time, cause a large number...

Based on one-sample special CNC machine tool, the failure distribution function and failure rate function, whose failure data have been analyzed by experiment, are determined in this paper. The special CNC machine tool time of which are in early failure or haphazard failure can be judged in terms of...

As a kind of industrial handling vehicles, forklift plays an indispensable role in people's life. Nowadays, in order to meet the needs of the people, the types of forklift are more and more. In this paper, based on already the basic parameters of the push forward forklift in the market, the working device...

Multi-angles of facial feature detection is still a challenging research. In this paper, the author proposes a precision head pose estimation method as a condition to improve the performance of regression forests, and decreases the missing rate caused by head deflection. The basic idea is used by locality...

This Paper, having a study on the status quo of judgment for dispute heard before Chinese courts in respect to the contract modification, finds that courts throughout the country have set up their own judgment criteria, which are not unified. This Paper believes that the establishment of judgment criteria...

This paper meets the needs of underwater information warfare under development trends of knowledge centre war, starts from the concept of information understanding, combines with the characteristics of underwater information, deeply describes the underwater information understanding technology, lays...