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How the risk contagion network of the global stock markets changes under the impact of COVID-19 has always been a hot issue in academic circles. In this paper, the generalized variance decomposition method is used to construct the stock market risk spillover network of 11 countries in the world, and...

Minor component analysis (MCA) are used in many applications such as curve and surface fitting, robust beam forming, and blind signal separation. Based on the generalized eigen-decomposition, we present a completely different approach that leads to derive a novel MCA algorithm. First, in the sense of...

The impact of the flood not only resulted in paralyzed social, economic, and community activities but also resulted in stopping educational activities. Unfortunately, few studies have examined the vulnerability of the school environment in flood-prone areas. This study aims to analyze the vulnerability...

Since the mid-20 century, the understanding of mental health went through a transformation that diverted people’s focus from illness to wellness and form the simple requirement of getting rid of illness to the desire of comprehensive positive mental function. Followed this standard, the determinants...

In order to improve the accuracy of railway freight volume prediction, we adopted the BP neural network method combined with grey relational analysis (GRA). Given that BP neural network algorithm are prone to local minimum, slow learning convergence, and diversity of structural selection problems, we...

Project-based learning was becoming popular during at the end of school from home since Covid-19 pandemic. Although much research about project-based learning has been published, discussion in the learning process was still limited especially on argumentation. This study aims to integrate model of project-based...

The fast detection and sorting of plant diseases are really important to make sure we have enough food and keep farming productive. In this study, we're using the latest technology called Convolutional Neural Networks (CNNs) to figure out what's wrong with maize leaves. We're using five...

Single mothers had challenges in raising their children. Religiosity was one of the important for single mothers in Indonesia. Therefore, they had experience in cultivating the religiosity of their children. This study aims to: (i) exploring single mother parenting style in Indonesia (ii) exploring children's...

In the past five years, intelligent driving technology has gradually matured, and autonomous driving technology has gradually moved towards the L3-L5 level, so the environmental perception system needs to continuously update its accuracy and stability. Sensors are one of the important ways to receive...

Two kinds of Acrylonitrile-Butadiene-Styrene (ABS) resins (ABS749S and ABS757) were manufactured as MCPA6/ABS copolymer alloys by in situ polymerization and their crystallization properties were analyzed by Differential Scanning Calorimetry (DSC). The DSC results indicated that ABS did not change coexistence...

This article, from the perspective of cultural products, analyzes the role that the manufacture of cultural products plays in safeguarding national culture security, and from a critical perspective investigates the differences in the nature between the elite cultural products and mass cultural products...

With the advance of the new normal development of Chinese economy, human resource of the ceramic industry has become an important aspect of optimization adjustment. This article takes Faku county ceramic development zone as an example, analyzes four aspects status quo of six human resources, overall...

Through the observation of the typical plant lotus leaf, rice and nasturtium etc leaf surface wettability, the leaf surface structure of scanning electron microscope, contact angle measurement, self cleaning mechanism of comparative study of typical plant leaf surface structure, clarifying the typical...

In order to expand the Rouse equation to more widely, statistical methods will be combined with the linear form of Rouse equation. Sediment concentration will be taken as a "random variable", while some parameters are selected as variables. Multiple linear regressions will be used for determining the...

Power amplifier electronic equipment is an important component of aviation weapon system, and random vibration is a main factor result in structural failure. In order to fully understand dynamic characteristics of power amplifier electronic equipment, according to modal analysis theory, the theory of...

The Great Gatsby is one of the bright stars in American literature, whose writer, Francis Scott Fitzgerald, is also one of the greatest writers in the early 20th century in America. His works give people much enlightenment; reveal the real American society then. So, we can say that Fitzgerald is a mirror...

Along with the constant improvement of China's economic development, the quality-oriented education reform is being greatly implemented, in which training the high-quality talents with an all-round moral, intellectual, and physical development is the goal. The development of the physical education can...

Silver nanoparticles (AgNPs), as a new material with good properties, has been widely used in many fields. With the increasing production and usage of it, more and more AgNPs are entering the water environment, which was suspected to impose ecological risk to the aquatic ecosystem. Based on the acute...

This study was conducted to know the effort or strategy of principal in improving the character of student discipline. The research method used a qualitative approach. The technique of data collected was by interview, observation, and documentation study. Informants in this study consisted of principals,...

In mathematical analysis, the problem of series summation plays an important role, and it is also the difficulty of mathematical analysis. In general, the solution to the series summation is obtained by the method of item by integration, definition, or item differentiation. In this paper, through the...

E-card system is widely used in campus. This paper analyses the data of a campus E-card system. First of all, extracted the transaction data from the database and processed the initial data with different methods. For the second, analyze the record amount data with cross table and histogram. For the...

The microstructure and mechanical properties of AZ81 magnesium alloy have been studied by micro-analysis and tensile tests. The results showed that the alloy mainly consists of -Mg matrix, Mg17Al12. The tensile strength of AZ81 magnesium alloy is measured, The best tensile strength is 258MPa at 20 .

In order to the need of meet aerobics technical movement large data processing, it can realize the real-time capture of aerobics video and continuity image, this paper proposes a image processing method based on Apriori correlation and multiple quantitative calibration. The algorithm is verified by the...

The traditional evidence retrieval method is not able to identify the word semantic in forensics user question, only make the mechanical matching, in order to improve the efficiency of evidence retrieval, get satisfactory retrieval results, this paper proposes an ontology-based evidence retrieval method,...

Aiming at the environment that contains dynamic obstacles, a new multi-robot formation control method is proposed. Leader-Following method is combined with artificial potential field method to solve the poor adaptability of formation. Meanwhile, the robots’ relevant parameters are optimized online by...

The plasma spraying Al2O3-13%TiO2 (hereinafter referred to as AT-13) ceramic coating on Q235B steel surface was dealt with laser remelting technique , then change of the microstructure and properties of the laser remelting AT-13 coating was studied. The experiment results show that the microstructure...

In the development of network dynamic website, PHP technology is comparatively more safe and convenient. In application, it is widely applied to update the stability of dynamic information. Through effective application operation, it can ensure effective information embedding, so as to realize the safety...

Generally, in the traditional multilingual topic discovery, it is the multilingual text for a single goal of the conversion and then clustering. On this basis, we have constructed a custom dictionary for the people with the highest percentage of Chinese, Japanese and English in this paper. At the same...

An advanced Structural Analysis Method for fiber filled Plastics (SAMP) based on injection molding and their microstructures was proposed. This proposed SAMP combines injection molding and microstructures together to analyze the mechanical behavior considering the fiber orientation and anisotropic materials....

With the deepening of power grid construction, power information and communication network bears more and more business. The introduction of network traffic classification is conducive to the rational distribution of network resources, improve service quality. This paper firstly introduces the requirements...

It’s an important research issue in a remote user authentication scheme for a multi-server environment. Recently, Li et al. proposed a scheme to remedy Lee et al.’s scheme to avoid the forgery attack, server spoofing attack and changing password easily. However, we find that Li et al.’s scheme is insecure...

We propose linguistic associations mining as a technique to create the models of the multivariate time series. We define various linguistic evaluative expressions on the range of the values of the time series and variables derived from them. We mine linguistic associations then and interpret them as...

In recent years, the prairie songs have been loved by more and more people, especially under the overall background of urbanization, they have been even resonated and appreciated by the urban people. the psychological reason for the wide spreading of prairie songs has been widely concerned. In this paper,...

This study aims to determine and analyze: the influence and equilibrium of exchange rates, domestic income, foreign income, foreign exchange reserves and inflation on the trade balance of the Indonesian plantation subsector in the long and short term. The data in this study are time series data from...

The new round of basic music education curriculum reform in Northwest China is further deepened on the basis of summing up the work of the previous decade. The gradual deepening of the basic music education reform process and the rapid development of regional social culture put forward higher requirements...

Objective: In the internet era, we aim to study how to promote network media to all over the world based on network media so as to let more people study and be familiar with this national culture. Methods: We are going to adopt a combination method with documentary study and deductive proof and inductive...

A new distance metric between interval-valued fuzzy sets is proposed. And based on this metric, we analysis and compare the structures of four special interval-valued fuzzy metric spaces, which are induced by four well-known residual implication operations. It shows that the interval-valued fuzzy metric...

Mobile learning resources are the core of mobile learning and an important guarantee for mobile learning. The development of communication technology and the popularization of mobile devices have made the construction of mobile learning resources as an important task in the construction of school resources....

There are many drawbacks in the teaching of University courses. Teaching is the means of education. The purpose of teaching is not only to master professional knowledge, but also to promote the improvement of students' comprehensive quality. The characteristics of the course Air Pollution Control Technology,...

In this paper, the internal flow field in an optical module of DUV laser was analyzed by ANSYS Fluent based on the finite volume method. The way of purging nitrogen was optimized according to the results of the analysis. After the optimization, a better nitrogen purge method was obtained, and a flow...

Regarding the current situation of E-logistics of Chinese logistics industry, there are still many problems to be concerned and resolved. This paper reviews the concepts and theoretical background of E-logistics System from previous researches. After acknowledging the essential issues on E-logistics...

In the current context that the knowledge serves the social development, the state has paid more and more attention to the cultivation of the comprehensive quality and practical ability of the talents. The continuous optimization and perfection in teaching methods and process are important means to improve...

In the process of criticizing each other between Hart and Austin school, there are also some contradictions. For example, although hartism explains the fundamental problem of the source of legal effect, it doesn’t explain the reason why people obey the rules; when Hart explains the critical reflection...

Innovation is the driving force of economic growth and the welfare of the regions at the present stage of the development of society. It is innovation that promotes competitive advantages for companies. But the implementation of innovative activities is impossible without creating favorable conditions...

Hygiene and health are two things that are closely related. As a proverb that is often heard “Kebersihan adalah pangkal kesehatan”. Now, life during the COVID-19 pandemic, we are encouraged to keep the hygiene and health at least start from ourselves. Japanese children’s folk song 童謡 is a medium that...

To date, the subject enrolment and classified training has been becoming a new mode of talent training and a welcoming trend of teaching reform for colleges and universities in China. In this context, to better consolidate the foundation of students and achieve the goal of “wide caliber and thick foundation”...

The usage of personal protection equipment (PPE) such as face masks diversify immensely in the US and China during the COVID-19 pandemic. To fully address this issue, this paper conducts a multi-aspect research on US and China society. This research aims to compare the two cultures and identify the underlying...

This study analyzes the Amar Tirta Swimming Pool management in Palembang City as its functions, among others: planning, organizing, directing, motivating, and controlling. This research is a descriptive study using a survey method with an instrument in the form of a questionnaire validated by experts...

This conceptual study examines the mediating role of team climate in the relationship between humble leadership, organizational citizenship behavior (OCB), and withdrawal behavior among elementary school teachers. Guided by SIP and SET, this paper consolidates empirical results from pertinent studies...

The incorporation of the Internet of Things (IoT) into the industry 4.0 is now one of the most important change agents in the manufacturing and logistic sectors. The newest research marks the presence of IoT as a trigger of automation, digital connectivity, and real-time decision-making and shows substantial...