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With the increase of demand for energy, energy recycling is becoming a hot spot in recent studies.The problem of motor feedback braking energy feedback system in energy fluctuation was proposed,the system is based on the combination of the super capacitor energy storage.the super capacitor can feed common...

As a promising social medium, Sina microblog has been adopted to enlarge their social networks and to prompt their products by more and more enterprises. This paper gives an empirical analysis about information spread of enterprises microblog, discovers the reason why users forward information, describes...

This paper focuses on the current status of information technology (IT) application in vocational education. It analyzes the advantages and problems about the informational teaching mode. The keys of reasonable IT application in vocational curriculum are establishing advanced IT teaching philosophy,...

This document introduces the current situation of urbanization in our country, and analyzes the development trend and the existing problems in the process of urbanization in our country. Then using the basic theory of ARIMA model in sequence theory and combining with the data of urbanization level in...

This paper selects panel data of 31 provinces and cities from 2012 to 2021 to explore the impact of digital economy on urban-rural income gap through empirical research. The results indicate that the improvement of the development level of the digital economy has a significant narrowing effect on the...

This dissertation makes a study of joints of crisscross section column composed of core concrete-filled steel tube and steel beam. The study is mainly focused on the Seismic Behavior of joints. Four models are designed by using finite element structural analysis software abaqus, which are joints with...

Humans experience three phases in life, namely birth, marriage, and death. Nativity symbolizes the beginning of life, the moment when a new human being begins to breathe the air of the world. It is an event that brings great joy to the family and community, a symbol of hope and the future. Marriage as...

Crack is a high-risk engineering disease in civil engineering. It is necessary to master the specific types and causes and strengthen crack control. Pipeline welded joint is one of the most prone to crack position. Pipeline structures are widely used in civil engineering, especially in the field of oil...

With the arrival of 4G era, mobile Internet has become an indispensable part of college students' life, which is affecting the students' learning, life and way of thinking. Educators in the field of college ideological and political education should comply with the requirements of the times, grasp the...

In order to solve the problem of short life of lead-acid batteries under abnormal operation and maintenance, a centralized photovoltaic management system of lead-acid batteries based on Internet of Things was designed. The system uses photovoltaic cells as energy devices, adopts embedded technology to...

Since the beginning of 2020, due to the impact of the epidemic, the state has advocated “suspension of classes and non-stop learning”. Due to the large differences in primary and secondary students’ personalities, online teaching has a great impact on different primary and secondary students’ teaching...

Data is an important asset of an enterprise and a national basic strategic resource. Data security issues are increasingly prominent in the era of big data. Strengthening data security governance is not only an objective requirement of national supervision, but also a subjective requirement for the development...

With the rapid increase in global greenhouse gas emissions, the development of efficient CO2 capture technologies is important for mitigating climate change. Evaluation of the energy consumption for regeneration of amine absorbers and assessment of amine absorbers are essential for the development of...

When the integrated pipe gallery passes through the railway line at a close distance, when the railway line is overhead, the temporary reinforcement system of the line will bear the main load of the continuous operation train, so the stability of the line reinforcement system determines the safety of...

This paper makes use of the panel data of 100 listed companies in China's small and medium-sized listed companies in the four years from 2012 to 2015, and empirically analyzes what factors under the special supervision system in China affect the financial outsourcing expenses actually paid by listed...

With the great development of productive forces and the enrichment of material life, people’s standards of spiritual life and mental health are also improving day by day. At present, many cities provide mental health services in the community. Although they are in the stage of active exploration, they...

With the extensive application of network, massive growth in the scale of data through cloud computing has been observed. Cloud computing is a powerful technology to perform complex computing, and applications running on cloud computing with Hadoop architecture are increasing. In this paper, after studying...

For a long time, people only pursue a certain characteristic too much and ignore the dialectical unity between them. This article will start from the functional and artistic aspects of visual communication. How to make people directly understand the content of communication is the key to the entire communication...

In order to reveal the high-quality level of fiscal revenue growth in the Chinese Pearl River Delta cities, this paper first constructs a Dynamic Equilibrium Index model. The model is based on the classical DEA model frame and includes two optimization indicators: maximum value and minimum value. It...

Education attainment refers to the highest levels of education attained by a specific population. In recent years, the importance of higher education attainment has been studied and published a lot. It has been shown that higher level of educational attainment leads to better performances in the job...

The black swan event has the characteristics of rarity and serious consequences. At present, the analysis of black swan events is generally preconceived (that is, the event is assumed to be a black swan event, and then the influence of the event is discussed), or whether it is a black swan event is directly...

The study of the relationship between the founder of governance and corporate performance in recent years attracted academic attention. Based on the sample of 2010-2016 years Internet listed companies in Shanghai and Shenzhen stock markets, this paper validates the relationship between founder governance...

A series of V2O5-CeO2/TiO2-SnO2 catalysts were prepared with different CeO2 content to investigate the effect of Ce modification for selective catalytic reduction of NO by NH3. The obtained samples were characterized by BET, XRD, HRTEM,H2-TPR and FT-IR. The catalytic test was also investigated on a fixed...

Ninghua region is the cradle of the Hakka people, they survived here for thousands of years, through continuous convergence, evolution, and gradually bred a unique multicultural. The high ceiling lamp is one of its cultural carriers, and it is also an important tool for local people to entertain people,...

Recently, the rapid development of new technologies such as artificial intelligence, cloud computing, big data, etc. has profoundly affected the complex and open urban transport system. Many new modes of traveling represented by reserved parking have been spawned under the impetus of new technologies....

Two symmetrical dinucleoside pentaphosphates, Up5U and Cp5C, were synthesized via the activation of the P (V)–N bond. The key nucleoside phosphoropiperidates intermediate were obtained by a redox condensation method. The reaction of the phosphoropiperidate with uridine and cytidine tetraphosphate in...

The problems existing in the practice teaching of the current vocational education cause students to make practice difficultly, such as experiment instrument and equipment is outdated and limited in quantity, some experiments involve danger, and experimental process is untraceable and so on. In order...

In order to fix the defect of large-volume-data transmission and system fault tolerance in the current remote proxy, this paper proposes a wide-area data interaction technology which can be applied to the future power dispatching system by utilizing advanced techniques such as elastic extending, load...

High-speed railway (HSR) systems have been developing rapidly in China and other countries throughout the past decade. A high-quality train timetable should satisfy transportation demands with the best possible benefit. This paper presents a scheduling model for double-track HSR lines based on a train...

“Mongolian Music” refers to a part of the Mongolian court music and instrumental music preserved in the Qing Dynasty. It consists of two parts: “Jia Chui Yue Jiang” and “Fan Bu He Zou”. Also, it is an important historical material mainly recorded in Mongolian, Chinese, Manchu and traditional Chinese...

In a context that the comprehensive national strength constantly increases and the undertaking of teaching Chinese as a foreign language continuously develops, how to improve teaching efficiency and choose the right teaching model become the question worth studying. Taking the 241 research papers on...

Since December 2019, COVID-19 has become a public health emergency of international concern, from local area to the current worldwide pandemic. Since March this year, the epidemic in Chinese cities has been effectively controlled, and the number of newly confirmed local cases in many places has reached...

More and more listed companies are trying equity incentive in China, but there has not yet formed a unified understanding of the impact of equity incentive on investment efficiency. Based on the theory of management power, using the investment model of Richardson and choosing Shanghai and Shenzhen A-share...

S-shaped bend waveguides are indispensable in planar light circuits to realize the lateral displacements and connections. High-density integrated optical circuits require S-shaped bend waveguides to be low loss and compact sized. In this paper, the loss mechanism of the S-shaped bend is briefly analyzed...

This paper presents a feature based vision destination recognition approach. A simplified static calibration of camera is implemented and then based on the homography matrix calculated by coplanar matched Speeded-Up Robust Features (SURF) points the destination which is not even a direct feature point...

Pair programming is an agile practice that supports two people working together locally or remotely to complete a programming task. Based on the cooperative learning theory, this paper puts forward the concept of pair learning and explains the method of pair learning from the aspects of pedagogy, psychology...

Since real-time and communication amount is crucial for the wireless sensor network target tracking, the performance of target tracking in the wireless sensor network is critically depended on real-time and communication amount reduction. This paper presents a target tracking method based on distributed...

This paper introduces the classical theory of MPA (micro-perforated panel absorb-er). Its sound absorption coefficient primarily related to these structure parameters. Based on the theory of MPA which is proposed by M, sound absorption performances are researched by using MATLAB. By this method, the...

In the process of study, the author doubts about whether the experience of Concubine Xu (Fei), the concubine of the Lord in the late Shu, Mengchang, is real or not. Therefore, on the basis of previous studies and combined with historical materials, this paper combs the development process of the legendary...

Based on the characteristics of fractal geometry theory and the reflection of Foshan in Jinan as a wedge, this paper quantitatively describes the shape of the overlooking interface of Foshan by calculating the fractal dimension of the overlooking interface. Combined with the city skyline dimension of...

The problem of network disintegration, such as suppressing the epidemic spreading and destabilizing terrorist networks, has broad applications and recently has attracted more attentions. The fundamental purpose of this study is to find the critical nodes whose deficiency could lead to the network collapse....

Use the LMS data acquisition terminal and the PCB acceleration sensor, get the loading spectrum of two typical proving grounds by the same truck, and then make a contrast analysis of the distributing character by the rain-flow counting technique. At the same time extrapolate the two spectrums into the...

For the shipping industry’s competition, the merges among companies bring lots of problems such as routing optimization and integration.Based on this, which is more suitable for the characteristics of shipping system, is studied in this paper.Firstly, taking the reorganization of the COSCO networks and...

The construction of high quality graduate courses is of great significance to improve the innovation ability and training quality of graduate students. As an important part of graduate education, engineering ethics is directly related to the value orientation of engineering talents. The exploration and...

In the face of increasingly stringent environmental control system and environmental capacity of limited resources, the power industry needs to seek effective environmental management tools to solve environmental constraints for future development. According to current situation of pollutant emission...

Although the voltage level of distribution network is low, the variety of power equipment is complicated, the users are uneven, and there is a greater risk of electric shock. The problem of leakage in distribution line are discussed. First of all, the leakage protection is systematically analyzed, then...

The paper analyzes the influence of user lateral grid-connected PV generation on relay protection of distribution network, and proposes the opinions for the economic technique and selectivity of protection. The paper applies DIgSILENT PowerFactory software to make simulation calculation and analysis...

The traditional permanent magnet synchronous motor (PMSM) control system uses a mechanical sensor to detect the speed of the motor and the position of the rotor，the sensor is susceptible to the environment and reduces the reliability of the system.This paper uses a model reference adaptive system (MRAS)...

The popularity of social software on the Internet makes recruitment channels more and more abundant. The research on the effectiveness of recruitment and the effectiveness of recruitment channels in existing literature originated earlier, and there are many theoretical researches. However, due to the...

Addressing the critical need for enhanced industrial risk monitoring, this research advances the analytical capabilities of management entities and policy advisors in scrutinizing enterprise technological risks in specific sectors. It introduces a machine learning-assisted approach to systematically...