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The existence of the harmonic seriously influences the quality of the power grid electricity .In order to guarantee the safe operation of power system, it must be accurately detect harmonic and analysis harmonic components in the grid .Usually harmonic signal consists of fundamental wave, every harmonic...

Optimization of construction scheme for the contractor to improve the competitiveness of the contracted project, the increase of project profit plays an important role, and the optimization scheme aims to ensure the project quality, schedule and safety goals are achieved ,at the same time, reduce the...

Based on the characteristics of development of green campus construction in China, firstly the standards and guidelines green campus's construction made by the central and local government were introduced. The existing problems in the current standards and guidelines are pointed out through the contrast...

This paper presents the design of a 6GHz track-and hold circuit with input bandwidth. The track-and hold circuit adopts the design simulation of HBT process, able to work at a sampling frequency of 2 GHz, the highest sampling frequency can reach about 2 GHz. The SFDR of the track-and hold circuit can...

The distinguishing characteristic of Japanese literature and literature of other nations is that forming a series of unique literary concepts and aesthetic categories. Appeared in many classic works of literature aesthetics, we can find from varying degrees to common characteristics, and throughout the...

According to the calibration principle of the MATLAB calibration toolbox, the transformation relations between four coordinate systems used in camera calibration are analyzed. On this basis, MATLAB calibration toolbox is used to simulate the corner point calibration algorithm of the checkerboard, and...

This paper firstly analyzes the advantages and disadvantages of various securities routing protocol of wireless sensor network. Secondly, this paper discusses construction of wireless sensor network on management system the security protocol. At last, this paper presents development and design of management...

Based on the extended Huygens-Fresnel principle, the analytical expressions for the Strehl ratio(SR) of Gaussian Schell-model(GSM) vortex beams and Gaussian Schell-model non-vortex beams propagating through atmospheric turbulence and free space are derived. The corresponding results are also calculated....

The purpose of this paper is study soft landing strategies of the lunar craft during landing on the moon. On the basis of the fixed selenocenter coordinate system, we set up a braking coordinate system in the main reduction stage. Build the centroid-based dynamic differential equation model to describe...

The rolling stock of road transport enterprises in the Russian Federation is old, with about 80% of vehicles there is a need for replacement. Financial leasing can provide and provide such a replacement. At present, there is no valid methodology in the Russian Federation for evaluating the effectiveness...

Establishing a mechanism of urban green-space planning and setting up an efficient ecological green-space systems for coping with fragile grassland ecological environment are urgently needed in Inner Mongolia region. This study chose Kangbashi as a research object to set to study as follows: identifying...

Personnel files management is the fundamental work of human resources management in colleges, whose modernization and informatization construction should have a significant role in promoting human resources management in colleges. However, currently, the construction of personnel files informatization...

In order to improve the learning effect of histology and embryology course of higher vocational college students, the application of three-dimensional teaching method in histology and embryology teaching was explored. The results showed that the scores of the students in the group and the group were...

This study was conducted in SMP Negeri in Plakat Tinggi Sub-district Musi Banyuasin District to classify the lessons media management school principals and teachers toward learning achievements. This is the type of research with a quantitative research study ex post facto-research study using architecture....

The goal of this research is to examine the form of grammatical cohesion in online news on Kompas.com and how it can be utilized to create news text teaching materials. The research method used was qualitative, and the subjects of this study are different types of grammatical cohesion in the news. Data...

This research aims to investigate the impact of religiosity and consumer personal norms influence attitudes and purchasing behavior of Wardah halal cosmetics in padang city, for this examination in this study is unknown using a sample of 320 observers using the Hair 2013 formula. Data acquired via handling...

This research was conducted in Pangkep Regency. This study aimed to determine the impact of using the Quick Response Code Indonesian Standard (QRIS) on the income of MSMEs in Pangkep Regency. The data analysis method used in this research is the quantitative method. The sample in the study was 40 respondents,...

With the acceleration of the construction of the power market, new energy sources such as wind power gradually begin to compete with traditional energy sources such as thermal power. In this paper, considering the deviation between the actual output of wind farms and the predicted power generation, and...

Re-employment of elderly individuals has played a crucial role in alleviating labor shortages and promoting active aging due to the increasing global population aging. Combing with domestic and foreign literature, the comparison and analysis of elderly employment patterns in three typical countries,...

Repurchase contract is one of the important contract means to coordinate the supply chain whose market life cycle is relatively short and the selling price of goods will be affected by uncertain demand factors. Supply chain is composed of the circulation and exchange of capital flow, logistics and information...

According to designing DoS attack model, the methods based on OPNET of simulating DoS attack which can be achieved are summarized. The attack model is given from simulating SYN flood attack. Simulation results show that the network simulation is a productive approach to analyze and estimate the impact...

Chinese folk arts features can reflect the psychological tendency, the way of thinking and value orientation of the Chinese nation.Chinese folk arts possess very strong generalizability which is particularly expressed in the way of spatial modeling . From the morphological feature, it can be judged that...

Nowadays, accelerated urbanization and improving living standard have brought some unexpected negative influences, making modern citizens more suffered from chronic diseases. On the other hand, with the innovation of information technology, Web 2.0 is able to provide an accessible and unobstructed channel...

The delay precision of common detonator is not good, the actual time delay often have big difference with blasting design in real blasting engineering, and the blasting effect is difficult to control. While high precision digital detonators are instead of chemical drugs by original electronic control...

To the actuality of teaching on software testing, we introduce some innovations: modeling course architecture, developing some unit experiments and a comprehensive experiment, inducting CDIO (Conceive, Design, Implement and Operate) idea of engineering education, actively carrying out cooperation with...

In order to clear and define the influence of slope factor for the construction of sandy shoal, the research presents developmental process of sandy shoal through flume simulation from the perspective of sedimentology forward modeling. The experiment is divided into three groups by using the method of...

Positive psychology is new territory of psychology study, which focuses on the positive force and virtue of human. The emergence and development of positive psychology provide directions and guidance for ideological and political education of college students. Based on the author's teaching experience...

According to the boundary integral equations, numerical simulation of wave scattering around a cavity with a circular cross-section embedded in saturated soil is obtained using integral transform methods. The numerical results of this study show that the dynamic stress concentration and pore pressure...

Power infiltrate every corner of social development, has become an integral part of the scientific progress and development ,and improving quality of people's lives, and it is the era of progress closely. Electrical penetration in various fields has laid the power position in the social development....

Defect testing system is developed in recent years, which is a source code static analysis technology, mainly used in automatic or semi-automatic software defect detection and prevention, this kind of defect testing tools due to the characteristics of high efficiency and easy to use, has been widely...

In this paper, heat characteristics, energy conversion efficiency and energy transmission distance of electric hot air de-icing device are researched. Thermal energy conversion formula of jet bushing of hot air device is obtained. Finite element analysis software is used to establish the computing model...

With the rapid development of big data technology in recent years, data has become new resource for the entire society. People are rushing to research big data. While using big data technology, it also inevitably leads to the reflection on the duality of technology value. Therefore, the duality of big...

Enterprise Service Bus (ESB) is a kind of SOA-based software infrastructure for the enterprise application integration. ESB becomes a hot technology of channels and resources integration.In this paper, in view of the characteristics of self-service channels and its IT architecture, we propose the scheme...

This paper proposes a two factors user authentication scheme for Beijing medical registration platform, in order to protect user personal information on the platform. This scheme overcomes the shortcoming that there is no authentication process during user log on the platform. The reason that builds...

The development of college students’ critical thinking skills, related to the im-provement of our national quality and the growth of the national economy, is an urgent and important task in personnel training of colleges and universities. In major courses teaching, the schools should consciously train...

In the context of the construction of new engineering disciplines, this study establishes a student growth training platform for the growth path of students. The platform guarantees student growth from four aspects: training plan, training form, training content, and platform management. Remarkable results...

In order to ensure the recovery of the Russian economy, it is necessary to effectively use all the factors and resources of economic growth, including the resource of entrepreneurship. The state, its federal and regional authorities are responsible for creating favorable economic, political, social and...

Since the reform and opening up, my country’s private enterprises have developed rapidly and their number has increased sharply. With the rise of private enterprises, the brain drain has become an urgent problem to be solved. Among the different causes of this problem, communication problems are one...

Contemporarily, artificial intelligence (AI) has been widely adopted in business practices. Amazon, as one of the leaders in this field, has applied such technology into the camera surveillance to monitor its delivery drivers. Although it brings about numerous benefits including but not limited to transportation...

By constructing a systematic GMM model, this paper uses data from 212 national economic and technological development zones from 2004 to 2018 to study the impact of the management system on the economic development of the development zone from the perspective of data mining and statistical applications....

Analysis of the content of travel photos shared on social media provided an effective way to explore the image of tourist destinations. In this study, 6 major categories and 21 sub-categories landscape of Yangzhou, a famous canal heritage city in China, were identified as typical image elements. A sample...

The spread of the COVID-19 pandemic has affected education at all levels. Higher education institutions and educators must change their educational activities in response to COVID-19. Consequently, teaching delivery models have had to shift from a traditional classroom to an entirely virtual one. During...

Limited mobility due to health protocols regarding the Covid-19 pandemic forced every sector to carry out digital transformations within their organizations. Likewise, with the public administration service sector and government bureaucracy, the pandemic has also become a trigger and encouragement for...

In this paper, "the board by force" plate girder bridge as the research object, proposed plate girder bridge Fissure assessment index grading disease;introduced without disrupting traffic hinge joints reinforced plastic injection force veneer bridge construction technology; for a 5-15m hollow slab bridge...

This paper proposes the transformation exploration from the aspects of renewing teaching materials, paying attention to practice teaching, increasing infrastructure investment, strengthening professional connection and updating test methods through discussion on the problems existing in current cultivation...

Supermarket chain supermarket fresh agricultural products logistics has always been the main reason for increasing the cost of supermarket, on the basis of information system theory, the modern computer technology is used to build information platform, improve the supply of fresh agricultural products...

Moral construction is an important part in the construction of socialist spiritual civilization. Since the reform and opening up to the outside world, the moral construction of our country has made great progress, but at the same time, moral field also appeared some bad phenomena. The reason, to a large...

According to the application demand of the present water supply system of the Internet of things, designing the high precision liquid level measure and transmit circuit,especially,for the requirements of pressure measuring range and linear precision,using for pressure measurement and control of modern...

This paper introduced a design of infrared remote and self-balancing car.STM32 is master control chip on this system. Infrared remote control devices serve as the control devices. Firstly, the MPU6050 sensor acquire data of the car’s attitude. Then, using Kalman filter algorithm and Data fusion technology...

This paper is based on 3D printing technology, as for study and design on those printing tests; it develops a set of 3D printing equipment to make design on head, modelling chamber and temperature system. It simulates temperature field in 3D printing process and provides instruction for 3D printing test...