Search all articles

The unsaturated seepage theory was employed to calculate the seepage field of geomembrane faced sandy-gravel dams with different heights. The influences of the location and size of defect on the phreatic line and seepage flux of dam were analyzed particularly. The results revealed that the change trends...

Because of its profound cultural heritage and aesthetic value, Chinese classical pastoral poetry becomes the fertile ground where spiritual home of descendants inhabits poetically. Its artistic connotation has heuristic origin meaning for the tectonic space of the Chinese perspectives countryside park....

Material science is an interdisciplinary field applying the properties of matter to various areas of science and engineering. Frames have become the focus of active research field, both in the -ory and in applications. In the article, the binary minimum-energy wavelet frames and frame multi -resolution...

Taking large-span rectangular underwater tunnel as the research objective, numerical calculation model of lateral concentrated smoke exhausting in rectangular underwater tunnel was established by FDS. The adaptability of lateral concentrated exhaust mode in tunnels of variable widths is obtained according...

The process of regional economic development is a process in which regional economic connections are continuously strengthened. This paper uses gravity model to measure the economic connection strength and total strength of cities in the Pearl River Delta from 2000 to 2017, and then calculates the economic...

In recent years, the landscape of higher education has undergone significant transformation due to advancements in knowledge, technology, and globalization. In the context of developing countries, there have been rapid expansions of interdisciplinary programs at higher education levels, with a growing...

As a popular social media, Weibo naturally provides a convenient, fast and potential platform for marketing. Almost all stars have their own Weibo accounts and use their Weibo accounts to carry out marketing. Of course, Weibo marketing also needs appropriate strategies, such as marketing products need...

Perceived stress is a subjective perception that individuals have towards stressors in life. Due to the occurring pandemic, individuals’ perceived stress are at risk as various stressors resulting from social and physical distancing have emerged. For certain individuals, the lack of social interaction...

It has been whether or mathematics educator frontline teachers are concerned about the study of mathematics learning interests. But the status of mathematics learning now is not very optimistic. In the eyes of high school students of mathematics is rigorous mathematical proof and math, students feel...

Industrial networks, regarded as the core of intelligent manufacturing, mostly are implemented to support various monitoring applications in industrial environments. As such, the low-latency and high-reliability are the vital metrics especially under heavy loads. However, the existing conventional TCP/IP...

This article mainly analyses different representations of bridge seismic damage and their causes, discuss mostly the analytic means of bridge structures’ elastic-plastic earthquake response and the design method of ductile earthquake-resistance. In the end, the developing trends of the method in future...

TRIZ is a theory of inventive problem solving. The most important part of TRIZ is 40 inventive principles. We found that the principles are still described in natural human language, so we try to give mathematical descriptions. And it is discovered the effectiveness in new breakthrough on the principles....

In this paper, firstly, the non-linear longitudinal modeling approach is proposed based on the geometric shape of the typical structure of the hypersonic vehicle as the research object, combined with correlative hypersonic aerodynamic theories, and then local linear models are established near multiple...

As virtual reality technology matures and popular, it is gradually applied in art design. Virtual reality is constructed by high-tech means of the artificial environment. How best to achieve the user in the virtual world of realistic experience, has become a new research hotspot. In view of the present...

Intelligent vehicles, also called wheeled mobile robots, are the carriers involving numerous high and new technologies, such as the sensor, database, image processing, fuzzy control, neural network, vehicle dynamics, modern control theory, computer, communication and various programming languages, etc....

Digitized and informational learning methods are gradually prevailing. There was a historic revolution in 2012 that MOOCs (Massive Open Online Courses) created a new mode of distance education, offering open educational resources to students all over the world. While MOOC has a low passing rate and high...

Optimizing the energy structure ensuring the reliability of power supply and improving the utilization of renewable energy sources are the primary objectives of micro-grid power planning. This paper takes wind / light/ storage micro- grid as an example , defines the concept of metabolic capacity to describe...

This article will explore what Ma and Weiss have termed the ‘rallying around the flag effect’, which ‘frames the protests as a foreign-backed threat to national sovereignty and social stability’, with the aim of uniting public opinion. In addition to their investigations, the author argues that cuteness...

With the continuous computer technology and the rapid development of science and technology, the computer is more and more widely used in education and teaching. In today's era, computer science and technology are contained in all stages of teaching, multimedia teaching, data processing system has...

The modern cost management emphasizes the strategic, targeted, this requires a higher level of cost management method, need to be more focused on the operation cost of the whole system. Therefore, a real-time response enterprise production situation and real-time control of production cost management...

Formal verification for safety-critical software requirements is used to improve the safety of software system. Model checking precisely verifies the related properties of software system, but there still exist limitations in properties extraction which is traditionally obtained by artificial definition....

If the temperature of raw meal to feed into rotary kiln is increased from 900 to 1000~1200 , the solid phase reaction and liquid sinter reaction will be significant enhanced, which will help increase clinker production significantly. Through calcinations condition comparison, this paper studied characteristics...

Under the background of the government strongly supports the enterprise’s technology innovation, in view of the "free rider" problem of the supplier and the manufacturer in the supply chain enterprises in the technical innovation investment behavior. Frist, the payoff matrices is build when the supplier...

The problem of modern greening of food as the basis for the successful social development of society is discussed. The purpose of the paper is to substantiate the methodology of modern green production and consumption of food for the harmonious and successful active social development of a person. The...

This paper studies the current status of rural live broadcasting in the context of rural revitalization, and discusses the rural live-streaming boosting during the epidemic, which not only enriches the online shopping form of users, but also helps Chinese farmers sell products, bringing a fresh and high-quality...

The development of virtual economy in recent years has resulted in widening gap between the output of real economy and virtual economy. The development degree of virtual economy has risen to be measure of national competitiveness in the international market. Globalization of virtual economy has brought...

Regional economic integration is the trend of the development of the market economy, as one of the most active economic region in China even all over the world, and Beijing-Tianjin-Hebei region has great development potential. Giving full play to the industrial advantage, realizing the coordinated development...

Recently, the game console industry has been developing at a considerable rate. Also, the development of 3D technology is fast and promising. In the present market, there are already game consoles and games providing users with 3D perception. But actually, the technology they used is called non-immersive...

This paper aims to investigate the impact of logistics industry on China’s regional economic growth. In particular, the input-output relationships in the regions are analyzed based on the biodegradable nature of Theil index method. We find that there is a relatively small interaction effect between logistics...

The research background is the presence of so many investors entering District Merauke by utilizing the land that belongs to the local community, the problems that arise are 1) How does the company run the CSR to be accepted by the local community? 2) How is the appropriate CSR model to be run by investors...

A three-stage-structured prey-predator model with multi-delays is considered. The characteristic equations and local stability of the equilibrium are analyzed, and the conditions for the positive equilibrium occurring Hopf bifurcation are obtained by applying the theorem of Hopf bifurcation. Finally,...

In any country the special attention is paid by the government, regulatory authorities, regional management and entrepreneurs to the taxation of enterprises engaged in foreign economic activity. Export activity is a special kind of business activity with special conditions of control and benefits provided,...

Since the outbreak of Covid-19, the stock market has suffered from the unstable lash. This article focuses on the impact of Covid-19 on the stock market of the Healthcare industry, Medical Equipment industry, and Pharmaceutical Products industry. 172 trading days in each part of Covid-19 are selected...

The purpose of this study is to describe the role of teachers in implementing the Pancasila student profile to shape students’ character. This type of research uses qualitative with a phenomenological design that describes the implementation of the Pancasila student profile and the teacher’s role in...

One of the most difficult challenges that finance managers confront is determining the impact of capital structure on a company’s profitability. Prior research has investigated the impact of capital structure on business profitability, however, most of them are from other areas of the world, with only...

Currently, with the acceleration of economic globalization process, talents armed with creative spirit and innovation capacity gradually become the focus of competence in the international community and the key point of cultivating these people relies on the promotion of critical thinking skill. Most...

In this report, the business strategy of COFCO and Coca-Cola company will be introduced, which helps to analyze the business negotiation of the cooperation between these two companies. Basic information, business model as well as pain point of Coca-Cola Company and COFCO will be introduced in the first...

We propose a preemptive batching schedule method based on multifactor over data stream. We divide operators sequence into some different operator units in my schedule approach, the different priorities, which are changed as operator units’ output rate, are assigned based on operator units’ output rate....

With the continuous development of urban construction in China, the urban planning and design are also put forward higher requirements. In order to achieve the regional characteristics as possible as, it is necessary to focus on the regional design in the urban planning and design and clarify the urban...

The energy storage system (ESS) with isolated bidirectional DC/DC converter based on parameter adaptive fuzzy PI control method is proposed to realize the low voltage ride through (LVRT) of the double fed wind power generation system. Firstly, the mathematical model of doubly fed wind power generation...

In this study, a thermal lattice Boltzmann model is employed to investigate the natural convection in square cavities with power function temperature boundary. The horizontal wall of cavities is adiabatic, and the temperature at the west and east wall is set to constant or a power function. Four cases...

In order to reduce the maintenance cost and the downtime of large-scale machine tool, the initial weights and thresholds of the back propagation (BP) neural network are optimized to overcome the disadvantages of the slow convergence and fall into the local optimal solutions easily. Based on the GA-BP...

This article focuses on the study of the difficult demand forecast of emergency supplies during the emergency relief process. To resolve the limit that there are few parameters available in the emergency relief scene, a gray forecast model with fewer parameters inputted is raised for this issue. To start,...

A new regional squared centroid method is proposed to design a ranging System adopted MCU, CMOS image sensor and direct laser triangulation method, after analyzing the advantages and disadvantages of the laser triangulation method. And the principle, hardware settings and data processing of this system...

Universities’ teaching practice quality of moral education evaluation is helpful to improve the teaching effectiveness of moral education and the quality of personnel training. Based on Chinese universities teaching practice of moral education, Chinese universities teaching practice quality of moral...

The current of excavated-in harbor basin are key issues to the coastal engineering and the ocean engineering. In this study, a numerical model was developed to simulate excavated-in harbor basin current field. Results show that, the current field of excavated-in harbor basin is influenced by topography,...

This study analyzes the development status of the Yangtze River Delta and the Pearl River Delta according to the process of regional integration, and then finds out a series of problems in the development of artificial intelligence in the Yangtze River Delta and the Pearl River Delta, and proposes relevant...

It is essential to classify brain MRI scans as soon as feasible in order to diagnose brain tumours. There are numerous diagnostic imaging modalities that can be used to identify brain tumours. MRI's high-quality picture production makes it a popular choice for this application. The development of...

Schools face the problem of the continuity of the teaching and learning process in the classroom when the COVID-19 pandemic occurs. One way to address this issue and continue the school's teaching and learning process is through learning management systems (LMS). There is much demand for online...

With the development and application of network technology, network has become a new education field besides family, school and society. Under the network context, facing the characteristics of cultural diversity, multidimensional nature of space and time as well as group interaction, the content of...