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Recently, the rapid development in the field of optoelectronics attracts widespread concern of all countries. However, the lack of training for the student experiment beginning ability and the neglect of the traditional experiment course for students' subjective initiative promote the establishment of...

Recently, a major part of the newly installed wind turbines are of the variable-speed type using permanent-magnet synchronous generators (PMSGs), which are required to meet grid interconnection codes for fault ride-through (FRT), so as to actively contribute to system stability during a wide range of...

Renqiu buried hill reservoir of electric submersible pump well in order to reduce the sewage invalid recycling and saving energy, using the electric submersible pump(ESP) well convert into pumping unit well to produce. The scheme design lifting process adjustment and optimization of 13 wells. Through...

Base on the meteorological data and the monitoring data (28/10/2013 ~ 16/5/ 2014) of the main atmospheric pollutants, PM2.5, PM10, CO, NO2 and SO2 of Chengdu, the comparative analysis of the relationship between the pollutant concentrations and meteorological conditions of Chengdu were carried out. The...

Danjiangkou Reservoir, as the water source of China's South-to-North Water Diversion Project, should be emphasized for its water quality, and the sediment, as an important source and sink of nitrogen and phosphorus in the reservoir, is of great significance in the biogeochemical cycle. In this paper,...

The inhibition of calcite growth in the presence of seven phosphonates (AMP~ DTPMP) was investigated by means of molecular dynamic simulation in industrial water environment. It has been found that the phosphonic molecules can energetically interact well with the calcite (104) stepped surfaces at the...

Large and medium scale biogas project has become the primary form in the development of biogas industry in Beijing. Based on the survey of biogas projects in Beijing, the characteristics of production mode and business operation mode of biogas industry are summarized. There are four production modes...

Due to the radiation of Ultra wideband signal Surface scattering and Ultra wideband radio fuze target signal frequency,the Ultra wideband radio fuze target signal always submerged in the noise,it is necessary for us to study the characteristics of Ultra wideband radio fuze target signal.Starting from...

The Dual Fuzzy Sets (DHFSs), originated by Zhu and Xu [1], is a useful tool to deal with vagueness and ambiguity. In this paper, we propose one new measure called Cosine similarity measure for dual hesitant fuzzy sets, based on which the corresponding similarity measures can be obtained. We investigate...

Based on the seismic lab platform In this paper,aimed at model parameters of electro-hydraulic servo loading system,position has the characteristic of variability and susceptible to external interference,the combination of fuzzy control and PID control,we propose a multi-modal(P-Fuzzy adaptive PID-PI)control...

By analyzing current status of health-risk behaviors and associated factors among college students, this study provides evidence for targeting to develop and implement behaviors intervention measures. In this paper, a stratified sampling method was used to investigate the health risk behaviors of 770...

With the rapid development of the intelligent electric grid, the information security has been a key factor of the stable operation. It has been urgent that how to optimize the information security defense system on the base of the existing institution mechanism and maintenance framework. This paper...

Cu2ZnSnSe4 thin films were prepared by spin-coating and chemical co-reduction with different heating modes. The phases of obtained samples were characterized by X-ray diffraction (XRD). The size and morphology of the products were observed by scanning electron microscope (SEM). Experimental results show...

The multiattribute utility function was used to build a model of project’s time, quality and cost synthetically management under resource restriction in this paper, and then introduced the genetic algorithm to solve the model. Finally, advanced an example, and gave an alternative scheme of synthetically...

With the promotion of network safety, information management and electric power industry information, information and communication safety has become an important part of power system network safety and the safety requirements of electric system information has improved constantly. Through expounding...

This Paper introduces the usage of an automatic system which uses one VVVF controls many electric submersible pumps. "Multi-Split VVVF" system means that only use one (or a few) frequency converter using multiple PLC components network control system. The system can start and stop control of multiple...

Fire-fighting robot can instead of humans in the event of a fire extinguishing task. An obstacle avoidance strategy based on fuzzy control is presented in this paper. The method doesn't have to determine the motion model of fire-fighting robot accurately. Robot can detect obstacles by using infrared...

The city is a masterpiece of human wisdom. The outdoor activity space is the favorite and most desirable place for children in the city. This paper mainly summarizes the research status and development direction of the theory of urban children's outdoor activities in China. By grouping and analyzing...

Innovative enterprise culture is an important driving force of enterprise innovation. Based on the analysis and summary of the connotation of the innovative enterprise culture and internal and external influencing factors, this paper puts forward suggestions on cultivating innovative enterprise culture,...

In recent years, the Central Committee of the Communist Party of China has been calling for systematic risk prevention. especially in the current situation of great power trade frictions, insufficient global economic dynamics and violent international turbulence. We should seriously think about how China...

Based on the data of foreign trade import and export volume and carbon emissions in China from1990 to 2012, statistical analysis through econometric models, the results showed that both showed a significant linear correlation. By stationary test and co-integration explain the existence of long-term stable...

This study aims at examining a burgeoning approach in Translation Studies: ideology. By comparing the conventionally linguistic approach with the ideological approach and by reviewing some of the seminal theories from the ideological perspective, the paper critically reflects on the advantages and disadvantages...

Mural painting is a kind of art on the wall. As an important type of traditional Chinese mural paintings, tomb mural painting has become a precious cultural heritage of the world through the historical and cultural development for thousands of years. The Tang Dynasty is the golden age for the development...

In response to the practical dilemma faced by farmers in agricultural supply chains—where high adoption costs and spillover benefits from adoption hinder their willingness to adopt new technologies—the government subsidy has emerged as a crucial policy instrument for alleviating their adoption pressures....

Recently, a great attention is paid toward developing aggregation operators for Pythagorean fuzzy set (PFS). However, few of them have adopted the rules of Archimedean t-conorm and t-norm (ATT) to aggregate the numbers. Motivated by this, the keep interest of the present work is to define some Pythagorean...

with the development of internet technology, Moodle stage is more convenient to teach English. Under this effective facility, constructivist "3B" teaching theory is going to be more efficient to improve Chinese students'English learning level. The passage states several methods to improve their reading...

According to the problem that the intelligence is not high of the soccer robot, using the mechanical theory as a guide, making some mechanical analyses and calculations on the pressure and transmutation states of chip kick mechanics, and conducting optimal design too, then making the structure of chip...

Phonological fossilization is just one aspect of language fossilization into which this paper will inquire. Given the fact that most wrongly pronounced sound elements are easily fossilized can be de-fossilized, the paper shows the methods to find out how to de-fossilize in the pronunciation of the foreign...

This research examined the mechanical characteristics and failure patterns of ultra-high performance concrete (UHPC) pipe through trilateral loading test and numerical simulation. The test results provided critical data, including crack load, failure load, and load-displacement curves. The findings indicate...

In order to analyze the seismic performance of the hexagonal-hole variable cross-section honeycomb beam portal frame, the finite element analysis software ABAQUS is used to analyze the seismic behavior of the portal frame with the same span, same beam-to-column distance, hole number, opening ratio is...

Intangible cultural heritage is an important tourism resource, and tourism development is an effective way to protect and inherit intangible cultural heritage. Based on literature review and field investigations, it is found that Shiyan city enjoys rich history and culture, with particularly profound...

Based on the temperature data of a post-tensioned continuous concrete box-girder bridge monitoring during concrete hydration, numerical analysis of the temperature in the different positions of the concrete box girder section was systemically carried out to extract the max temperature difference. A numerical...

The parasitic bipolar conduction in CMOS source-well-drain structure triggered under heavy ion irradiation will cause wider pulse width. The source, commonly though the emitter, will inject charge to the well, so that the drain has to collect additional charge and create a wider pulse. However, in our...

Based on Goyal and Joshi, we study a setting with many countries, in which there are firms that can sell in the domestic as well as foreign markets , and assumed that each firm compete to take the form of non-price, and analysis the incentive of country to sign FTA with other countries via Classical...

The Chinese government and its citizens have begun to interact more and more due to the proliferation of social media. This paper analyzes the influence of internet social media on the Chinese political system through system theory and political culture theory. The Chinese political system is mainly...

The current global economic landscape is undergoing a significant transformation, with clean energy and a low-carbon economy emerging as dominant trends. The advent of new energy vehicles has become a focal point of this transformative period, with countries engaged in a competitive pursuit to develop...

112 Midwifery sophomores from the Nursing Department in a vocational college in Sichuan Province, China were chosen as the research subjects. Through combined research methods: questionnaire survey, classroom observation and semi-structured interview, students’ learning needs, status quo, problems and...

Based on an introduction on present status of battery management of substations in China, this paper points out problems existing in current battery management of substation, puts forward an active battery management strategy regarding such problems and introduces its implementation framework, principle,...

Based on the grey system theory, Nib lack algorithm and hole filling algorithm, the automatic detection system of micro fiber edge is developed. The mathematical model and design idea of the algorithm are introduced, and the design results are presented. The experimental results show that the design...

Smart education, as an educational behavior system that provides high learning experience, high content adaptation, and high teaching efficiency, is regarded as a high-end form of educational informatization development. In response to the prominent problems of outdated textbooks and learning resources,...

The voltage of power grid will drop when the units pump water in the pumped storage power station.This paper uses the method of simulation and field test to study effect of reactive power regulation on the power grid in the pumped storage power station,which will provide reference for voltage regulation...

For a class of two order systems with single input and non-minimum phase, this paper uses backstepping design method to design the controller and studies the Euler programming problem. But unlike the traditional backstepping design, this paper did not use the method of hinge compensation, but there is...

Based on the phenomenon that medical risks result in lower desire for engaging in medical work. [Purpose] the study explores to what degree medical students hope to become a medial practitioner through investigating and analyzing their reaction to pressure perception and social support in the course...

Spectral clustering algorithm based on the theory of spectrum, its meaning is the optimal clustering problem into graph partitioning problem is a point of clustering algorithms can be high-dimensional data set cluster after dimensionality reduction. Greatly reducing the time of clustering. Compared with...

With STC89C51 as the core controller, the distributed wireless monitoring system for air quality has been designed and implemented in this paper. With the improvement of human material civilization, increasing economic benefits, the nature of the human damage is aggravating. Environmental pollution is...

The ABET EC2000 reform has had a range of different impacts on U.S. universities and colleges as they work to meet accreditation standards. This paper uses Purdue University as a case study of these processes. The quality assurance mechanisms in engineering education at Purdue are deeply analyzed and...

After the “Opinions on Promoting the Employment and Entrepreneurship of Veterans in the New Era” was released, the employment of veterans has attracted more and more attention from leaders at all levels of the military and local governments. China has introduced a series of safeguard measures, but there...

This study examines the effects of fintech development on green innovation of enterprises from the standpoint of financial mismatch using data on green patent applications from A-share listed companies from 2012 to 2021 of China. An index measuring the level of fintech development was created using the...

Wedged link is widely applied to circular cabin section linking structure for the advantages such as structure reliability, convenient installation and removal as well as high space utilization ratio. Generally, wedge block strength is computed using engineering method. However, the transfer load of...

This paper uses CiteSpace 6.1.R2 software to draw a knowledge map of the literature related to “teachers’ information technology literacy” in CNKI as a research sample, and analyzes the current situation, hot spots and development trend of information technology literacy of rural primary and secondary...