Search all articles

Spark is a memory-based distributed data processing framework. Lots of data is transmitted through the network in the shuffle process, which is the main bottleneck of the Spark. Because the partitions are unbalanced in different nodes , the Reduce task input are unbalanced. In order to solve this problem,...

The modeling of complex control system is usually based on the UML, thus the distributed control system is generally constructed by function block. This paper studies the modeling element: Function Block Adapter, which responsible for the connection of UML-RT capsule and IEC 61131 function block. By...

Against the backdrop of increasingly fierce technological competition, technology mergers and acquisitions (M&As) have become an important way for enterprises to quickly obtain innovative resources, but the integration process is accompanied by significant risks. Through literature review and case...

With implementing the Double Reduction Policy, China’s education governance system has also undergone profound reform. This paper explores the necessity of the Double Reduction Policy in China from the perspective of students’ and parents’ current situations, the change of school regulations, and the...

Taking the Taizi tea from Shiyi Qiang Village in Beichuan as an example, this paper explores how to design cultural and creative products, under the background of artificial intelligence technology, guided by the theory of emotional design, to further develop the characteristic resources of the village,...

As a productive writer, Maugham creates numerous love stories in his lifetime writing, but most of them end in tragedies. In fact, the tragedies are not only caused by the author's personal experience, technique of writing as well as the artistic conception, but mostly by the historical background. From...

With the advent of the Internet era, “Internet plus education” is the inevitable trend of higher education development. The introduction of SPOC mixed learning mode brings new opportunities for classroom teaching reform. This paper first introduces the current situation and problems of college mathematics...

This paper aims to design a distributed grid simulation system dynamic voltage restorer means to solve the problem of dynamic energy security in case of equipment operating in the electricity voltage sag or interruption. Means the use of "DC - AC" and "AC - DC - AC" dual structure, control system uses...

Due to the rapid development of society and information technology, the traditional POI data collection methods can no longer meet the new requirements from users. Specifically, the data collection methods are costly, the data update speed is slow, and the attributes are not complete. Based on the geographic...

The mathematical model of anti-twist braided wire rope structure is the basis for studying the mechanical problems of wire rope. According to the forming principle of anti-twist wire rope, the structure and dimensional characteristics of wire rope are analyzed. Applying the differential geometry theory...

Dietary fiber obtained from mango peel (MPDF) by fermentation with lactic acid bacteria and ultrafine grinding was treated by dynamic high-pressure homogenization (DHPH). And the effect of DHPH conditions on composition and physicochemical properties of mango peel dietary fiber was investigated by determining...

An embedded environment monitoring system that can be applied in warehouses, museums, families and other occasions is designed and implemented in this paper by using high-performance Nios II and open source embedded operating system. The system realizes the data display, data analysis, parameter settings,...

The purpose of this paper is to construct the Youth Value Scale of the Guangdong-Hong Kong-Macao Greater Bay Area, and investigate and compare the current situation of youth values in the Guangdong-Hong Kong-Macao Greater Bay Area with the designed scale. The Youth Value Scale of the Guangdong-Hong Kong-Macao...

At present, a large number of professional diesel databases and systems could support all kinds of unified management and retrieval applications based on the diesel research data, but the actual working environment exists three problems: (1) Data scattered in different databases and not conducive to...

The prefabricated concrete walls are used to cover on both sides of steel shear wall to avoid the buckling of steel plates, which leads to the composite steel shear wall system. In order to carry out the nonlinear FEM analysis on the composite steel shear wall, the procedure of establishing the FEM model...

Power grid construction is the core link that forms the physical foundation of the power grid and plays an important role in the high-quality development of the power grid. Currently, power grid construction has entered a stage of extraordinary development, and the typical scenarios it faces are also...

The development of mass media to obtain information needs to be supported by providing accessibility for the deaf. Easy access with the principle of equality in diversity and responsiveness to the needs of persons with disabilities in public services. The purpose of accessibility services is to provide...

Urban agglomeration economy brings the advantage of scale economy in big cities and benefits from the low cost of small and medium-sized towns. It is helpful for coordinated development in different scales of cities. Transportation development is an essential means to promote the cluster economy, and...

One of efficient and powerful methods for stimulating real networks and tracking motion regulation of networks is to build up some network models. Investigating topological structure of networks and building up network models play an important role for understanding more microscopic and structural features...

With the continuous development of power business, customer needs continue to increase, how to improve the efficiency of power supply enterprises, improve service quality and customer satisfaction, has become the power supply enterprises must be addressed. On electrical repairs, how to optimize the customer...

Driven by the rapid development of AI technology and machine learning, the advancement of machine translation (MT) is constantly gaining momentum. Undoubtedly, MT has greatly improved the efficiency of translation, especially the translation of scientific and technical documents. That said, the application...

The finite element model of the internal rolling connection process for Titanium alloy tubes was established. The distribution of the elastic strain and the contact force were analyzed to reveal the sealing mechanics of the flareless union. The residual compressive stress was generated between the tube...

Academic burnout is a well-known concept associated with students’ exhaustion during academic life. This study aims to explain factors related to academic burnout during the COVID-19 pandemic. The research method adopted a systematic literature review method to conduct scientific articles indexed by...

COVID-19 has a negative impact on human immunity. The rate of patients infected to death continues to increase every day. The social restriction protocol makes people reduce activities outside the home including physical activity or sports, even though physical activity is one of the treatments in maintaining...

The vibration of high precision cylindrical roller bearings is affected by many factors, which belongs to the problem of poor information. The experimental results show that the main factors influencing the vibration of the experimental bearing are the clearance, the roller convexity and roughness, the...

Wolfram alpha is a computational knowledge search engine. This paper tries to evaluate its search results from the point of view of users and compare it with Google to evaluate the advantages and disadvantages of the search engine.

In this paper, a novel algorithm called opposition-based coral reefs optimization (OCRO) is introduced. The algorithm is built as an improvement for coral reefs optimization (CRO) using opposition-based learning (OBL). For efficient modeling as the main part of this work, a novel time series forecasting...

Bitcoin is an essential component in the cryptocurrency system and plays a vital role in the economic system. This paper uses analytical methods to conduct in-depth research on Bitcoin. I will explain their opinions about its ability to invest and risk diversification, and then we try to verify some...

With the development of the information society, the network as a tool for the modernization of college students has bring convenience to study. Blackboard network teaching platform which is an auxiliary mechanism for students creates an interactive teaching environment, improves the student's participation...

Library consciousness means personal or social attitudes and values toward libraries. One’s library consciousness can be seen as an especially important standard for inquiry study as well as future creative work. In order to improve educational quality in higher institutions, colleges and universities...

Objective To use the Delphi method to construct the environmental index system of TCM industry development, and to provide suggestions and countermeasures to better promote the development of TCM industry. Methods The index pool was initially formed through literature analysis, and 20 experts in the...

This research is based on field facts related to the Covid-19 pandemic that has hit Indonesia. Apart from the health side, the impacts are also economic and social. The high unemployment due to layoffs in the formal sector and the loss of informal sector jobs must be seriously addressed by the government...

Some issues in cultivating practice-oriented talents in higher education of the newly established local universities are addressed. Combined with the school-running mode, the orientation and the social requirement, the advanced manufacturing industry oriented application engineering talent cultivation...

During a pandemic, mobility constraints policies, limiting children’s physical activity, physical games, and educational activities to the digital space. They prefer to play using the gadget of the play together with a friend - a friend environment neighborhood. Children who spend their time with gadgets...

Although the UK is acceptable for transgender groups. But the transgender community still faces many challenges. This paper's research question is to explore the dilemmas of transgender groups in the UK. Today, transgender groups still face a lot of discrimination and unfair treatment. This paper's...

When analyzing the data of photos and videos, it’s very important to determine the shooting time and place. Usually, we can get the sun's shadow from the pictures and videos and establish different mathematical models to solve time and space positioning problems by the known parameters. Firstly, use...

The on-line monitoring system undertakes the task to obtain status information of transmission lines and corridors in smart grid. Micrometeorological monitoring is an important resource of environment information of the corridors, which will provide data support for operation and maintenance, forecast,...

Covid-19 has drastically changed the learning model from conventional learning to online learning. This article aimed to determine how teacher management in online learning improves student learning outcomes, and to give solutions in online learning problem. The method used descriptive qualitative with...

In wealthy nations, miscarriage affects 10–25% of clinically recognized pregnancies, making it a common problem for expectant mothers. This may result in trauma, melancholy, grief, and depression, which may cause involuntary childlessness. The psychological effects of miscarriage and childlessness have...

this study provides the principles of a sustainable design philosophy. Discuss a framework concept for a PSS and supplies a continuous service to create an operation construction with higher profit and lower risk .

The Double Reduction Policy is a policy document proposed by the Chinese government in 2021 to reduce students’ academic burden, and its proposed regulations have had a great impact on the development of the quality-oriented (QOE) education. However, due to the short time of the policy proposal from...

From the development of robot technology,the implementation of the intelligent, safe and friendly mobile robot has been a goal by the human.In this paper, the definition of physical human-robot interaction is introduced; The classical visual servo system is analyzed, and we conducted a comparison and...

This study centers on the optimization of Baltimore's traffic system. We have developed a traffic flow prediction model using key factors such as population density, road betweenness centrality, and lane count to analyze the changes in traffic flow before and after a bridge collapse. By applying...

This paper discusses the origins, development, and future trends of unisex clothing. We will analyze how unisex clothing has evolved step by step from the Baby Boom to the rise of feminism after World War II to the Peacock and Stonewall movements to its current growing acceptance from five perspectives....

The characteristics of spatial structure and winding forming principle of braided wire rope under bending condition are analyzed. Establish the local coordinate system of the wire rope strand and the center line of the strand.The transformation matrix of each coordinate system is derived by using the...

A terpolymer resin (NSMA) was synthesized with styrene, maleic anhydride and N-phenyl maleimide. The structure and composition was characterized with FT-IR and 13C-NMR. The thermal resistance of NSMA was determined through integrated thermal analysis. The results indicated that, when the molar ratio...

It is essential to know the effectiveness of online learning for students, considering that this learning system was used during the Covid-19 outbreak. This research was conducted to determine the readiness of Google Meet as an online communication medium during the Covid-19 pandemic in the digital transformation...

The Coronavirus disease 2019 (Covid-19) epidemic is increasingly spreading throughout the world and has been declared a pandemic by world organizations. This compels educational institutions to issue a lockdown policy on-campus activities by emphasizing at online learning (virtual learning) process....

This paper unravels the transformative journey of art curation practices from the silent, intimate spaces of traditional galleries to the immersive and interactive realms of virtual reality (VR). It highlights the pivotal role of technological innovation and creative experimentation in expanding the...

Japan had experienced a period of aging for several decades, and the negative growth rate of the population brought the issue of labor shortage and economic decline. The government and departments put the efforts into forming and improving policies, aiming to find valid methods to eliminate the negative...