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A Nd:YVO4/LBO intracavity frequency doubling laser end-pumped by a diode-laser was reported, and the parameters of this laser were theoretically analyzed. By using a type Ⅱ noncritically phase-matched LBO crystal, the operation of a red light laser is realized. The output power of 1.16W at 0.671μm and...

The new era comes up with new challenges to higher agricultural education. Against the background of the construction of “new agricultural disciplines”, it is worthy of in-depth consideration that how higher agricultural education serves the “poverty alleviation, rural revitalization, ecological civilization...

Multilevel converters (MLCs) have been widely applied in fields such as high-voltage direct current (HVDC) transmission, electric vehicles, and wind power generation due to their advantages in improving power quality, reducing harmonics, and high-power applications. However, due to the influence of switching...

In order to overcome local convergence of constant modulus blind equalization algorithm (CMA), the momentum constant modulus blind equalization algorithm(MCMA) based on global artificial fish swarm optimization algorithm(GAFSA-MCMA) is proposed. In this proposed algorithm, on the basis of making full...

With the development of information technology, the popularity of mobile devices, through the network learning can effectively improve the students' learning efficiency in this article, through analysis of the software design courses, flip classroom pattern research, exploration to build online collaborative...

In this paper, a new virus nonlinear dynamic model with time delay is proposed. Moreover, its stability, Hopf bifurcation and other dynamical behavior like chaos are studied. It is indicated that if the reproductive ratio is less than one, the infection-free equilibrium is partially asymptotically stable....

After the Covid 19 pandemic, automation and digitization technologies have become widely accepted, particularly from millennials (Gen Y) and Gen Z. It is anticipated that Malaysia will transition to a cashless society by 2030, owing to its convenience and security. To achieve that goal, there is a need...

In order to clarify the influence characteristics of various factors in the stability of high-fill embankments with slope foundation, the stability of high-fill embankments with slope foundation was systematically analyzed from the aspects of embankment height, pavement width, embankment gradient, slope...

AC-25 asphalt mixture are designed by referencing the orthogonal design method, the freeze-thaw cycle rutting test are carried out, the related model of the fractal dimension and the water stability evaluation index including freeze-thaw cycle dynamic stability ratio is established by using fractal theory....

Since the conventional hierarchical layout algorithm has the disadvantage of wiring chaos in large programs, so on the basis of Sugiyama layout algorithm, this paper proposes a hierarchical orderly layout algorithm based on channel points. Adjust the number of each node in the channel dynamically according...

Since the 1960s, the cooperative learning theory has been developed rapidly. Cooperative learning is a reform of the traditional teaching mode. It differs from the traditional mode in knowledge construction, essence of study and learning process, etc. It includes five essential elements, namely, group...

Consumers, anchors, platforms, manufacturers, and other multi-type subjects constitute the value co-creators of e-commerce live streaming. The virtual presence and real-time interaction between multiple subjects and consumers through the live e-commerce scene directly convert traffic into sales and become...

The main topic of this paper is content on campus network technology application and design, this paper introduces the concepts, development thing networking history and the technical architecture, RFID technology is regarded as a thing of the key technology, and network application in campus thing networking...

This paper first introduces the propagation characteristics of wireless signals and the design principles of wireless networks. Through the analysis of campus wireless network needs, introduced the campus of several typical scenarios of wireless network coverage program. Through the analysis and comparison...

Regarding the RV speed reducer with the transmission of the cycloid gear as the research object,using the powerful parametric design function of Pro/Engineer5.0 is to accurately create the parametric model of the internal gear and the pin gear of the RV reducer. Then making using of ANSYS Workbench15.0...

By investigating tourists'perception and satisfaction in Dujiangyan, this paper finds out the significant influencing factors of Tourists'Perception in Dujiangyan, and discusses the development strategy of Dujiangyan cultural tourism based on tourists'satisfaction. Firstly, this paper provides a brief...

After the “one belt one road” was proposed, the “one belt one road” cooperation blueprint has been gradually developed from nil to some and from point to surface, which provides a development scheme with Chinese wisdom, joint negotiation, joint building, sharing, cooperation and win-win to the world,...

In the evolving landscape of education, the transformation of mathematics instruction is imperative to equip students with critical thinking skills and real-world relevance. This paradigm shift emphasizes inquiry-based learning, real-world applications, and innovative assessment strategies. It also highlights...

As one of the countries with the greatest potential in the global aging industry, there are still a lot of places to be improved in china. There are specific needs of the elderly, and examines some problems existing in the present stage of cultural endowment. At last, analysis the four main forms of...

Natural polyphenols have been reported much attention in recent years for their hypoglycemic actions and diabetes-related pathologies. Free and simple polyphenols can be digested and absorbed in the small intestine, while complex polyphenols are utilized by intestinal flora in the large intestine. Microbial...

In the digital age, the fundamental goal of civil engineering program reform is to cultivate versatile professionals who possess both specialized domain knowledge and digital technology application skills. This paper offers insights for universities to develop digital-intelligence talent in civil engineering...

The geographical environment with low-altitude is complex. Ground mountain, tall buildings, communications tower, bridge across the river, the tall vegetation has a significant effect on low altitude fly. The technology of virtual navigation and collision warning system which based on satellite navigation...

Multi-layer metal bellows flexible hose is a widely used compensating element in the chemical piping system, playing a role in displacement compensation, vibration isolation and noise reduction. The three-dimensional finite element model of double layer metal bellows flexible hose with wire braid was...

China is one of the countries which are suffering the most serious debris flows. The social life and economy in the mountain area are suffering a lot from them. With the frequency of debris flow increases in recent years, the threat to human life and property is bigger and bigger. Especially the seismic...

Near Infrared Reflectance (NIR) spectroscopy is a ‘green’ nondestructive testing technology and it has been widely used in grain crop analysis. The experimental data were collected using 161 wheat samples from the major wheat-producing area in China. The original spectral data was represented by four...

An unsymmetrical photochromic diarylethene, 1-(2-methyl-5-(9-anthracyl)-3-thienyl) -2-[2-methyl-5-(4-n-pentylphenyl)-3-thienyl] perfluorocyclopentene was synthesized at first. Its photochromic and fluorescence properties were investigated in detail. This compound exhibited reversible photochromism, changing...

In the multi-spectral image registration, because of the different imaging mechanism, the distribution of image's pixel gray value is non-linear. So the traditional matching algorithm based on gray correlation and image feature cannot be used simply. Since the mutual information measure does not need...

As an extremely important platform of data storage, database management system(DBMS) is widely used in all kinds of enterprises and departments. The availability and security is a critical performance index for database. How to help administrator keep database secure and effective is a key job of database...

This paper analyzes how Tik Tok makes young people so obsessed by theoretical research and data investigation. From personal needs and satisfaction, manifestations and content, and peer pressure these three perspectives to illustrate the way how Tik Tok making use of people’s need of being identified,...

A significant portion of the public art curriculum in colleges and universities includes dance courses. This course has changed how public art courses are taught and more than made up for the typical non-art majors’ deficiencies in the subject of dance with its distinctive educational structure and creative...

Demand for funds is high for listed real estate companies. The degree of debt financing has a great impact on their business performance. This paper examines the relationship between debt financing and business performance under different growing abilities by building a panel threshold regression model...

The Balb/c 3T3 cell transformation assay (CTA) is presently undergoing extensive pre-validation testing but its potential for routine chemical screening remains to be fully exploited due it being more costly and more time consuming than other CTAs. To downscale the assay 24-well plates were used to score...

The paper studies the pragmatic functions of white lies from the standpoint of speakers. From the perspective of pragmatics, white lies are regarded as a kind of pragmatic strategy that harmonizes interpersonal relationships and smooth social communication. The aim in this paper is to describe and explain...

Traditional video data cleaning method is to use video quality subjective labeling to achieve. This method relies on the subjective and objective factors such as the level of expert knowledge of the observer and the observing environment, so that a high accuracy rate cannot be ensured, and in the massive...

Based on the existing terminology in the Chinese science & technology term system of natural disaster monitoring and defense, in this article, fuzzy identification of term relation is conducted by multi-strategy fuzzy comprehension evaluation. First, calculate similarity through various similarity computing...

The graduation project is based on B/S three-tier management system, which uses ASP technology and takes the main script language by VbScript. What system's database use is Microsoft Office Access. System consists of system management, school register management, performance management, account management,...

Considering the complexity of system structure and fault mechanism of complex system, a fault diagnosis method based on extended color fuzzy fault Petri net model is proposed (CFFPN) for civil aircraft. In order to increase the fault diagnosis efficiency, the CFFPN is modeled based on fuzzy mathematics...

In this paper, different rocks like marble, calcite, basalt, granite and quartz were used to produce the sand of CA mortar. Results showed that the type of sand had notable effects on the mechanical properties of CA mortar. For the calcium carbonate composition rocks like marble and calcite, when use...

A permanent magnet synchronous motor (PMSM) drive control system for drive machine tools includes nonlinearities, uncertainties and external perturbations that should be considered in the design of control laws. A quantification factor self-tuning fuzzy PID controller for drive system is suggested by...

With the development of society and the changes of the times, the promotion of the national language has been increasingly valued by ethnic language researchers and various social groups. A thorough understanding of the use and attitudes of the Chinese national language among the Yi people in Xichang...

A novel crossover genetic artificial fish swarm DNA encoding sequence based weighted multi-modulus blind equalization algorithm(ncGAFS-DNA-WMMA) is proposed to solve the defect that error function doesn’t match with the signal constellation model in the multi-modulus blind equalization algorithm(MMA)....

The construction of innovative laboratory plays an important role in the cultivation of innovation ability, innovation spirit and practical ability of undergraduates. In this paper, we further explore the ways of the construction of innovation laboratory for agricultural analysis through analysis of...

Explain the development character of energy tower heat pump technology , introduce the working principle of tower of energy of the system and the way of operation and management, analysis and comparison of energy tower and the different methods of cooling towers and other cooling, heating . Comparing...

This study aims to examine the factors contributing to undergraduates’ readiness for entrepreneurship in private higher education and the most influential factor contributing to the readiness. Data were collected from 88 students (n = 88) studying in Malaysian private universities. Findings that highlight...

Coastal protection forest were selected from China National Knowledge Infrastructure (CNKI), including scientific research papers, dissertations, conference papers et al, to conduct bibliometric statistics of literature number, level and highly cited frequency literatures distribution. The results indicated...

The purpose of this project is to understand elementary school students’ preferences in interactive game design. By examining the processes of elementary school students using Scratch to design and create games, this study intends to investigate gender differences in terms of computer literacy, multimedia...

This study is dedicated to analyzing the role of artificial intelligence technology in curriculum development and teaching activities, with a special focus on the contribution of intelligent tutoring systems to improving students’ English learning outcomes. In an urban public high school, an optimized...

Calcium, as the second messenger inside plants, is extensively involved in plant response and transduction of various stress signals. Plants shall generate calcium signals of specificity under stress, and this shall give a rise to a series of intracellular physiological and biochemical responses. Calcium...

Through the modeling and simulating of the synchronous generator, the mechanical and electrical properties of the input load are analyzed. Based on the linear control theory, the optimal excitation control of a mobile station is studied. By comparing the optimal excitation control with the traditional...

Vocabulary is the foundation of a language, and vocabulary learning is the most important part of language learning. For a language learner, the size of vocabulary directly affects his comprehensive English ability. Quite a few students are not very good at English learning and expression, which is actually...