Search all articles

In the real world, the project of business decision is relatively long and requires more capital investment, which leads to higher requirements for the feasibility of project investment and scientific decision-making. To improve the science of business decision-making, the application of a series of...

The disparities in parental investments might affect preschool children’s early learning experiences and quality, and result in inequality in children’s future development. Based on 282 three-to-five-year-old children and their families from the China Family Panel Studies in 2018, this paper adopted...

Both net present value (NPV) and equivalent annual cost (EAC) are appropriate methods for modifying an investment project. While Net Present Value may assist investors in evaluating the project’s cash flows, EAC illustrates the cost of several projects over a year. The purpose of this research is to...

The LED lamps replace traditional lamps is the direction of development domestic and abroad.It mainly introduced the LED lamp brightness control method from the aspect of software, then research and production of the LED efficient drive based on a IC chip digital boost constant current regulator, for...

The piezoelectric ceramic transformer has the advantages of high conversion efficiency, high pressure, electromagnetic compatibility,etc.It overcomes the shortcomings of large electromagnetic interference, low conversion efficiency , a large volume, etc. Using IR2184,the paper designs piezoelectric ceramic...

This study discusses the rising reason of POP MART, respectively, on the marketing strategy and IP analysis. Otherwise, it also makes a potential analysis for POP-MART to discuss the competition between substitutes and the future development of the blind box economy. For the special marketing strategy...

Advertisements are projections of social values and representative glimpses of the cultural background of periods of time, and one of the apparent changes in commercial narratives is the common perception of gender roles. In this paper, several commercials of American male grooming brand Old Spice are...

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,...

In the consumer society, the automobile as a new way of gender practice has a very important impact on the reshaping of women’s gender temperament. While cars help people to achieve spatial movement, they will also affect people’s temperament judgment of the car operator. Through the study, it was found...

With the widespread use of watermark in video, audio and image, propose a relational database based watermark embedding and extraction method. The algorithm utilizes the single—multiple mapping approach to plug in watermark, which scatter the distribution of watermark information and enhance the anti-attack...

Aiming to balance the robustness and imperceptibility of database watermark, propose a wavelet transform (DWT) based blind watermarking algorithm. The algorithm screens candidate attributes that can be embedded watermark and conducts subset segmentation and rearrangement, and then performs DWT transformation...

The educational development of children with autism is an important social issue today. Many children with autism often have many unexpected situations when they receive the same education as ordinary children, and many parents and teachers fail to identify the educational deficiencies and needs of children...

ZigBee routing protocol study and optimization for the problem of the effects of flooding AODVjr algorithm RREQ packet. By introducing new coordinate parameters and other methods to control the RREQ packet forwarding. Network robustness problem and prolong the life of the network, by changing the algorithm...

It is important to figure out a company’s financial situation in order to analysis investment, borrowing, mergers and acquisitions, fraud surveys, and competitive intelligence. This is also beneficial when assessing the corporation financial situation itself. This paper studies a typical enterprise in...

Fast food refers to popular catering that commercial enterprises quickly supply. The fast-food industry, which can be processed quickly and eaten anytime and anywhere, has become increasingly important in the wake of COVID-19. The purpose of this article is to study the different factors that affect...

Mental disorders have now played an increasingly crucial part in triggering disability, among which depression is especially worth attention. Its prevalence has been very high worldwide, especially in undeveloped and unwealthy countries and areas. This mental disorder can be found in a wide range of...

As Internet communications and applications become more and more complex, accurately describing network traffic information and rapidly monitoring network traffic anomalies have become increasingly challenging tasks. In this paper, we present a framework and method for monitoring network traffic through...

A robust flight control method based on the particle swarm optimization (PSO) algorithm is approved in this paper. Because of non-modeling dynamic character and parameter uncertainty are taken into consideration during the controller design process, the flight controller has strong robustness, excellent...

With the improvement of women’s social status, women try to seek higher positions in firms. The female perspective is prevalent in corporate governance researches. This study aims to figure out does gender diversity on boards influences corporate performance in China. The researcher uses panel regression...

As the language that carries Internet culture, Internet hot words are gradually becoming mature with the development of the times. With their increasing influence in social life, in recent years, scholars have aroused the research of Internet hot words, and achieved good results. certain results. Hot...

Vehicle tracking plays a crucial role in intelligent transportation systems, traffic monitoring, and autonomous driving. Traditional tracking approaches often struggle with occlusions, varying lighting conditions, and com- plex backgrounds. This paper proposes an innovative method that integrates YOLO...

A new threshold function was proposed to overcome that hard threshold function is not continuous, soft threshold function has constant deviation and derivative discontinuity defects. It will be applied to using different thresholds denoising method with different decomposition level based on the D.J...

In recent years, whether there is independence and correlation between stocks and how to use research results to minimize risks and maximize investment returns in the stock market have attracted the attention of many economists, mathematicians, and the public. It is worthy of discussion about how to...

The rapid development of social media has brought many changes to people’s lives. People can understand each other’s life and daily dynamics faster and more conveniently. However, while social media brings convenience and happiness to people, it also brings anxiety to people’s fast-paced life. Of course,...

As the ageing of population is getting worse in China, both people and society pay more attention to the support and nursing of the elderly, establishing many gerocomium and monitoring system for the elderly. The monitoring system mainly focuses on the real-time monitoring, however, it is still not accurate...

To judge the loop-nonnegativity of a matrix A over an idempotent semiring and compute the plus-closure of A when it is loop-nonnegative, a Plus_Closure_of_Matrix algorithm of complexity (n) is constructed and proved. As a generalization of Floyd algorithm, Warshall algorithm as well as Gau -Jordan Elimination...

In modern society, art and design forms are diversified. Art creation is no longer confined to the realm of its traditional self-existence. It has begun to explore cross-border collaborations with other fields so that collaborations between artists and brands are leading the mobilizations of public understanding....

This paper puts forward a new dynamic round-robin (DYRR) packet scheduling algorithm with high efficiency and good fairness. DYRR algorithm introduces dynamic round-robin concept, that is, the allowance given to each of the flows in a given round is not fixed, but is related with the number of bytes...

This article has analyzed the insufficiency of the traditional teaching administration system, proposed that through inserts the way of regulation storeroom to realize in the procedure active database-based the teaching administration system, through the practical research showed that this system can...

The whole paper is divided into three parts. First of all, the history of media’s promotion to economy starts from three angles of paper media, media and new media, and the promotion effect of media to economy is derived from remote areas, starting from history and theory. Secondly, the specific performance...

More and more teachers are applying game elements to the classroom, as studies show that gamification can increase student engagement. Gamification has become a popular way to enrich the classroom, and many people have made promising predictions about its penetration. However, integrating games into...

With the outbreak of COVID-19 in 2020, many companies were forced to change their traditional marketing strategies to survive, while the live streaming E-commerce strategy stood out owing to its numerous advantages. On the premise of the success of the live streaming E-commerce strategy, this paper established...

Since returning to the motherland, Macao has carried out a series of reforms in the non-higher education section. After the government of the Macao Special Administrative Region successively promulgated a series of laws and regulations on basic academic ability and curriculum framework, The education...

With increased smart upgrading and reconstruction of power grid in China, typical representative of the third generation dynamic reactive power compensation technology, i.e. STATCOM(SVG), has been used widely in power transmission and distribution network all over China with good economic and social...

In this paper, we discussed this engineering problem that used planar capacitance sensor measuring lumber moisture content. And a new mathematical model was introduced which could set up the relationship between the distribution of dielectric constant and planar capacitance sensor in the heterogeneous...

When investors face investing problems, the main issue is to make decisions on how to allocate resources among the variety of different assets, especially in the rapidly growing stock market.The paper aims to design an investment strategy for risk-averse investors. We use modern portfolio theory and...

SVG is the third generation static var compensator that performs reactive power regulation by sending out capacitive or inductive current. Since numerous high power electronic components (GTO, IGBT) and PWM technology are used, the intensity and type of electromagnetic interference generated by frequent...

A new video watermarking scheme against geometric distortions is proposed, which is most suitable for DCT-encoded compressed video, like MPEG-2, MPEG-4, H.264, etc. To lower the computational cost, 2-D DFT coefficients are constructed directly from the block DCTs by exploiting a fast inter-transformation....

Since 1980, houses have been defined as commodities, and Chinese real estate has officially become an industry. On August 23, 2020, “a key real estate enterprise fund monitoring and financing management rules “which is also called “three red lines” have been formed. This article explains the constraints...

Poverty alleviation is a major project of China’s centenary plan. In the process of poverty alleviation, there are often some practical problems, such as not being well targeted, the inaccurate orientation of funds and projects for poverty alleviation, and short-term benefits. Social enterprises have...

Outdoor SVG (container-type) is especially suitable for limited space, such as old substations. The limited space of the entire device, and electromagnetic noise inside, especially that of the power chamber which is far higher than ordinary SVG. In the final analysis, the study on the law of change of...

Under the wave of financial liberalization and interest rate marketing, the interest rate risk prevention problems faced by commercial banks are becoming increasingly prominent. Interest rate risk management has become an extremely important link in the management of commercial banks. Macaulay’s retention...

In the post-pandemic era, the COVID-19 disease in China has been effectively controlled, but the global level it still rises and falls, and the internationalization of higher education countries slows down the global cross-border mobility of students, leaving Chinese international students to rely on...

China is faced with a surge in the elderly population, an insufficient supply of the elderly, and an imperfect pension system. Taking the “time bank” model of community mutual support for the elderly as the litmus test and by following per under the principle of “the elderly can not only contribute to...

This paper reviews mainly on PBL online teaching model and some online teaching practice to explore the necessity that students are supposed to acquire. The paper first introduces the conception of meta-learning skills which can be highly described as learning skills in the process of students’ learning....

The investment of multinational enterprises (hereinafter referred to as MNEs) in China has promoted the local economy’s development and caused serious environmental damage. From the perspective of MNEs, the reason is the high cost of environmental protection in the home country of MNEs leads to the internalization...

The development of video games is inseparable from the reliance of information technology. In recent years, with the development and wide application of 5G technology and virtual reality technology, the game industry has shown a spurt of development and the number of game users has been increasing, and...

In this work talking about when foreign trade happening, which is a form of trade with great cultural differences, changes online, what kind of online cultural differences and communication difficulties will be caused is the main goal of research. Many cultural differences caused by online business negotiation...

Matching theory is a branch of economics that has had a significant impact on the world. Economics is a social discipline that studies human behavior and how to allocate limited or scarce resources in an efficient and rational manner. This paper is a specific study of three matching scenarios based on...

Two numerical algorithms based on H1-Galerkin mixed finite element (GMFE) methods are presented and analyzed for a fourth-order diffusion equation. By introducing three variables with two different ways, the two first-order system of four equations are formulated. The semi-discrete optimal error estimates...