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At the beginning of 2020, Covid-19 swept the world and caused serious damage to the economic development of the United States. The U.S. economy is in its worst recession since the Great Depression. Now, with the help of Pfizer, Johnson & Johnson and Modena vaccines, people’s lives have mostly returned...

Online shopping is a new shopping method that is widely used by the public, it is because of its effectiveness and convenient to get the required products. Online shopping is an activity of purchasing goods/services through internet services, and it allows the customers to preview the goods/services...

The financial market is a rapidly growing industry where derivatives are popular among investors. The rapid growth of options trading leads to the development of various option pricing theories and models. Through them, Longstaff and Schwartz improved the Monte Carlo model in 2001. The improved least...

In order to better promote the development of China’s information industry and technological innovation, this paper takes 29 provinces in China as the research area, and uses stata16.0 software as the research tool to study the impact of information industry agglomeration on technological innovation....

Tailings pond is an important basic facility in mine production. Its safety operation is not only related to the normal production and operation of enterprises, but also has important influence on the life and property safety and ecological environment of people in the downstream and surrounding areas....

This paper proposes a wheel slip control strategy for 4WD Electrical Vehicle with In-wheel Motors. In the first part of this paper, a brief introduction of sliding mode control for acceleration slip regulation is given. Consider that its control effect varies with road conditions, another algorithm which...

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...

The article discusses the specifics of the development of the global smartphone market with consideration to the positioning of new players in terms of sales dynamics and market share of major manufacturers. The analysis of changes in terms of market conditions from the moment of its inception to the...

The paper explores the influence of the feminist appeal of female gamers and the male gaze of male gamers in China on the market strategies in the game industry worldwide. The research is conducted through qualitative interviews and textual analysis. The research found that the female gamer group in...

Jiageng architecture has had a profound influence on Xiamen’s architectural style, but the ways for the public to understand Jiageng architecture are very limited. This study aims to improve the efficiency of the dissemination of Jiageng architecture culture through digital means, So that more people...

as the core technology and an important foundation of computer database system, the construction of data model for the development of a variety of data management software provides effective reference for the design. Structure mode in the construction of the database structure, different data model to...

In order to solve the traditional identification method limitations, This paper presents an improved artificial fish swarm algorithm, Through the experiment of a typical Needle-in-haystack problem, Show that the improved artificial fish swarm algorithm has better ability of global optimization, faster...

In this paper, we did research on the key technique of wireless network systems based on ZigBee and related techniques. ZigBee wireless sensor network is composed of multiple interconnected ZigBee nodes through wireless channel which supports three types of network topology star, tree, and mesh. Although...

Russia began its military operation against Ukraine on February 24th, 2022. This event has the attention of everyone worldwide, including the Indonesian people, who share their opinions on the Instagram platform. Therefore, the researcher is interested to know netizen comments and their relationship...

This study examines the significance, theoretical underpinnings, and associated doctrines of China's domestic labor compensation system. It also studies the domestic labor compensation systems of important foreign nations and draws inspiration from them to enhance China's system. Then, we examine...

Due to the effect of the marine environment, the marine pipelines would drift away because of the water buoyancy when the pipeline laying and operation, as well as suffer the damage from the other external factors. Therefore, we need to coat a concrete layer on the anticorrosive pipe’s surface with a...

The paper is concerned with the idea that history is not a science, but a synthetic worldview, combining scientific rationality with mythological, religious, everyday and artistic worldviews. The task of historiography is not the search for truth, but the creation of concepts for the collective identity...

With the rapid development of network technology and digital technology to media content-based digital media industry, the rapid growth worldwide. Thus digital media technology gradually being great concern academia and industry, many countries have developed relevant development strategies and objectives....

As being used generally in numerous numerical calculations and models, Hertzian dipole’s calculation show its importance. This paper begin with the very basic level to deduct the equations of a Hertzian dipole fed by a current in time-varying fields in spherical co-ordinates, and then a simulation in...

The design and analysis of an Ultra-Wideband (UWB) microstrip patch antenna with a modified inset feed and a semi-circular slot that is optimized for wireless communication are investigated in this research. With a large bandwidth spanning from 1.7 GHz to 9.69 GHz and resonance at 4 GHz, the suggested...

The development of the government structure in the Ambon-Lease Islands since the colonial era has also influenced the existence of the Ambon-Lease Island recently, which is currently known as Ambon City, which is the administrative area of Maluku Province. The purpose of this research is to describe...

Acquisition of velocity parameter in visual navigation is an important part in autonomous navigation, and its accuracy can directly impact whether this navigation is good or bad. This paper focuses on the study of the velocity parameters accuracy in the pyramid LK optical flow method of visual navigation,...

Power grid volatility is inevitable due to its wide coverage, complex properties of users and influence of environment, equipment and human activities. Modern coal chemical industry operates on specific conditions characterized by high temperature and pressure, strong corrosion, inflammability, explosibility,...

Suppliers and customers are important stakeholders of firms, and their bargaining power affects the decision-making of firms. influence of its bargaining power on the level of cash holdings of firms. Through the analysis of the data of manufacturing, information transmission and science and technology...

The article focuses on the self-drying curing characteristics of energy-saving and environmental friendly water-based self-drying / fast-drying foundry coating. Through check experiment, the differences of strength, humidity resistance and influence on the strength of resin sand when respectively using...

This thesis summarized the content of IOCP( I/O completion port ). It was improved in connection with the defect that is data communication’s more occupation on server system resources and its poor parallel processing ability, in the original on-line automatic-monitoring platform. It improved the shortcomings...

View maintenance is a hot topic in database. But unlike database view, the knowledge view of knowledge management system has its particularity. The knowledge view is a cache of knowledge item that can be access quickly. Based on rough set, this paper proposes an approach of constructing knowledge view....

The purpose of this study is to estimate psychological changes, especially the prevalence of anxiety and depression symptoms among university students during the pandemic. In addition, we also evaluate the potential lifestyle-related factors that make students more likely to experience these impacts....

With the rapid development of China’s network business, the online entertainment industry has gradually replaced the traditional offline entertainment mode and become the main way of customers’ consumption, choice and attention. Many domestic enterprises invested more into online marketing arena and...

The cable wind-induced vibration of long span cable-stayed bridge is one of the key factors causing serious damage to the bridge. The ribs setting on the surface of the stay cable are one of the aerodynamic damping measures to restrain its wind-induced vibration. As the surface morphology of the stay...

Based on the cubic spline interpolation for curve-fitting of molded lines of cam, an optimization method to reduce deviation of cam profile curve-fitting is raised. Calculate the given data of lift table by means of cubic spline interpolation and use curvature comb function of software UG to have a fairness...

In this study, 17 kinds of vegetables were selected to make a contrast test ina nutrient solution cultured under the condition of 50 mg/L Ce pollution. Lactuca Sativa L., a low enrichment and normal growth, was selected by soil experiment to analyze the accumulation of Ce and its physiological and biochemical...

Anxiety has become the most characteristic feature of this era. We receive all kinds of information every day, but the unknown makes people afraid and omniscience makes people anxious. Based on Mead’s subject-object theory, this paper attempts to analyze in-depth the operating principle of the Internet...

Private colleges and universities have become an important part of higher education system in China, the scientific research work is the basic way to the construction of private university teaching staff, to improve the quality of education and teaching and to serve to the society, but most scientific...

With EP(epoxy resin) as matrix resin, DCA(dicyandiamide) as curing agent and modified imidazole as curing accelerator, and adding fillers and other additives, a single–component flow–type EP underfill adhesive was prepared. The curing temperature was determined by testing gelation time and characterizing...

On behalf of the red film with its unique appeal advantage by the contemporary college students love that become an important resource for education in colleges .Effective and reasonable use of red film resources can effectively enhance the national identity of college students, national identity, improve...

This study was conducted with the aim of determining the relation- ship between the issuance of green bonds and the increase in the value of com- pany shares in the Indonesian capital market. Using a systematic literature re- view approach, this study collects and compiles various literatures that discuss...

This paper studies the application of data warehouse in the modern financial industry, can help Banks to products, departments, institutions of profit and cost analysis, by strengthening cost management to increase efficiency, will largely change bank management departments at all levels of management,...

Short video has developed rapidly in recent years due to its fragmented characteristics, but the establishment of industry regulation system fails to keep pace with the development of the market, resulting in serious copyright infringement. In view of the infringement phenomenon and market governance...

With the rapid development of network communication technology and Internet technology, international trade enterprises will face the business operation mode change by using the advanced information technology to strengthen the traditional advantages itself. The application of international trade information...

Book cover is not only the representation of its content but can also be the representation of the sociocultural aspects of its production site. Especially with a sensitive matter such as feminism, each publisher in each respective society must have designed book covers that both fit and attract the...

In order to solve physical problems, we must establish mathematical models for the problems. Mathematical models often are differential equations relating an unknown function and one or more of its derivatives. In this paper, in order to solve high order differential equations, we first proved the expression...

Ensuring management efficiency under uncertainty becomes more difficult and is influenced by many factors. Human factor and the relevant functions also play a significant role in management. At the same time joint stock society management has its own specific aspects. We have conducted a cross-cutting...

The application of artificial neural network theory has penetrated into all fields, and in the intelligent control, the development of the neural network computer optimization computing, computer vision and image processing, pattern recognition, continuous speech recognition, data compression, knowledge...

Computer simulation technology has been applied to many industries and fields, due to its intuitive, convenient and interactive visualization. Java3D programming technology is easy to be operated, and its cross platform performance is good, and it is easy to develop web-based applications, so it is the...

The paper examines the role of historiography in the formation of the identity of imaginary communities ("we-groups") by conceptualizing the past. Historiographic concepts serve both to define the boundaries of "their" group and self-identify its members, as well as to form opinions about other "we-groups"....

The performance of particle swarm optimization (PSO) is limited by its local minima, defects and poor precision. To solve this problem, we present a hybrid adaptive particle swarm optimizationª. Two approaches, symmetric distribution and simulated annealing algorithm, have been used to improve the PSO...

Listed company’s characteristics of ownership structure is an important factor in the corporate governance mechanism, and the differences in its characteristics will significantly affect the management and investment decisions of listed companies; and the large shareholder as the direct shareholder has...

Since the middle of the 20th century, multinational companies have experienced great development on the quantity and the trade scale under the dual influence of globalization and informationization. As the main body of international business, multinational companies' foreign direct investment led to...

The COVID-19 pandemic has currently taken over the public’s attention. Due to the pandemic, the situation had become uncontrollable which caused people to react with an act of self-protection. This resulted in the escalating level of panic buying by many people from around the globe. Drawing on the Protection...