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In the article, the options of mines aeration by means of ejector fan installation are examined, as well as the principle of this installation functioning and its potential are shown. Basing on the investigations conducted and the functioning results received, the possibility of application of the ejector...

By optical microscopy, SEM, XRD, EDS and EIS, study the corrosion behavior of copper in Qingyuan rural atmospheric environment. The results showed that: after exposure in Qingyuan rural atmosphere, copper has corrosion. With time, the corrosion products increased, and gradually cover the surface of the...

The pitch control strategy of the wind generator set in the paper applies power feedback closed loop control to implement that variable-speed constant-frequency wind turbine regulates constant power removal by adjusting pitch angle under the condition above the rated speed. The present output power of...

Counsellor is the manager of class in the university, are the organizer, coordinator and guider, the link between school, family and society. The class is the basic organization of school. The great class can trait students’ integrated quality, and gives free rein to all kinds of capabilities. I will...

In view of the current network security situation, the basic principles and implementation method of quantum cryptography are studied. Considering the present situation of quantum cryptography communication technology and launch vehicle range, a network scheme is designed based on quantum cryptography...

Poly (β-L-malic-acid) (PMLA) is a sort of polyester and absolute biodegradable material. PMLA is a new type of nontoxic macromolecule material and with favorable biodegradation and biocompatibility. PMLA has extensive applications in the areas of pharmacy and medical industry. Application foreground...

Rhizoctonia is a soil-borne fungal pathogen which widely exists in the soil. This study, by comparing the two isolates of the AG-V which are new an stemsons group (AG)(Bs-J-06-7-1 and DL-YT-06-4-9), we find P absorption differences as well as their hyphae in the system P absorption rate interacting with...

The design of high reliability, high efficiency, high power factor and low cost is the development trend of the current switching power supply. Traditional switching power supply, input current of rectifier filter circuit, which contains a large number of harmonics, will cause the power utilization efficiency...

To investigate the correlation among serum lipids and their ratios and cystatin C (CysC) in patients with hyperthyroidism. authors respectively chose fifty patients of hyperthyroidism, subclinical hyperthyroidism and the control group. TC, TG and LDL-C in the hyperthyroidism and subclinical hyperthyroidism...

Due to the acceleration of urbanization in China and the influence of the living space structure of small families in big cities, family environment and the concept of family education, the number of children with insufficient development of sensory integration ability which is closely related to children’s...

Historically, financial crises have crippled individuals, businesses and global economies; identifying prospective threats accurately can mitigate their repercussions. This paper examines the annual economic statistics in fourteen developed countries from 1870 to 2008. We demonstrate the variations of...

This paper is a study of the approach to automatic detection of the content of the smart electricity meter LCD cycle display and signal lights. By this approach, in the LCD liquid crystal display detection unit of the smart electricity meter detection line, the electricity meter can be switched to a...

Airflow field play an important role on the cleaning performance of the air-and-screen cleaning device of the plot harvester, and an unreasonable airflow field can lead to poor cleaning quality. In order to understand the cleaning chamber airflow distribution and improve the cleaning quality of the cleaning...

Through the analysis of the existing problems in College Chinese teaching design, this paper discusses the connotation and characteristics of the task driving teaching method. Based on the learning theory and constructivism learning theory, this paper proposes a modern Chinese teaching method based on...

The power electronics control system can be designed in the discrete domain or continuous domain. In consideration of the digitally control and delay of actual system, it is more accurate to design the system control parameters in discrete domain. This paper firstly establishes the discrete domain model...

Gas cannot prompt emission is the main reason for Water pipeline burst, explore the exhaust valve’s performance at present, which has practical significance for the pipeline safety protection.Through the experiment, research the commonly used exhaust valve in water supply and drainage engineering and...

With the rapid development of vocational education, teachers’ social emotional ability should be improved accordingly, which had a great influence on their well-being. After surveying 424 vocational college teachers, it was found that the social emotional ability of vocational college teachers was significantly...

With the development of modern education, higher education becomes more and more prominent in modern education. Grassroots Party work team in colleges and universities as an important part of the construction of the grassroots Party organization, its influence should not be overlooked. But at present,...

In view of the low efficiency and unstable quality of the laying and quilting process of the multi-layer insulation of spacecraft, this paper designs an automatic laying and quilting integrated equipment, which adopts fixed base type. Laying and quilting share one platform and Y-direction drive. A buffer...

A Parametric design method for weak area structure of circle composite fragile cover was proposed by analysis of mechanical properties of circle composite fragile cover and weak area structure, which was confirmed by rush experiments. Firstly, boundary conditions of the weak area structure were determined...

Based on the corpus of the original text, the Microsoft machine translation text, the human-translated text as well as the reference text taken from the 30th Han Suyin International Translation Contest, the paper establishes the error classification standard from three language levels and then focuses...

Big data collection is the use of multiple databases to receive data from the client, and users can use these databases for simple queries and processing. Big data is pointing to massive, comprehensive, highly correlated complex data forms. At present, most Internet companies use Hadoop's HDFS distributed...

In the era of big data, a large amount of learning information is stored online. Teachers and students have been faced with problems such as information overload for a long time. The visualization of information reduces learners’ cognitive load and enhances their perception of information, which makes...

This paper aims to extract optimal power from a hydraulic floating wind turbine using torque control and pitch control. When wind speed is below rated value, a nonlinear fuzzy controller is designed to capture maximum wind energy through regulating the displacement of hydraulic pump fixed in nacelle....

With education stepping into the era of intelligence, intelligent classroom behavior recognition of students is becoming more and more important. However, due to the complexity and variety of students’ classroom behavior, it is difficult to recognize intelligent students’ classroom behavior. In order...

Through the analysis of the situation and existing problems of "atmospheric sounding", a series of pertinent teaching research have been carried out, the goal of scientific curriculum construction has been determined, and a reasonable and high-level teaching team has been set up to standardize the teaching...

We numerically investigate the optical properties of the multilayer SERS structures. It includes the substrate layer, the adhesion layer and the composite layer which is consisting of the metallic nanoparticles embedding in the host metallic or dielectric layer. Under the quasi-static approximation,...

For the importance of graduating internships for military undergraduates in cultivating high-quality personnel and the urgent need for practical training in military personnel training, based on the practical problems existing in the incessant new types of weapons equipment and undergraduate internships...

Nowadays, real estate is an integral part of the national economy and plays an important role in various aspects. Contemporarily, with fast growing economy, real estate companies often lead to high leverage and high debt due to the size of their capital and operational risks. However, with the adjustment...

The traditional construction method of a nuclear power plant is to build a factory building and a containment, and then put the key structure into the containment. From the AP1000 project, the open-top construction scheme is adopted. The open-top method can quickly hoist key structure, but the construction...

A heat pipe photovoltaic / thermal (PV/T) component on the basis of active air-cooled was designed and constructed. The heat pipe evaporation section was used for cooling the back plate of solar panel, and the condensation section was arranged in the air flow passage. A axial flow fan was arranged at...

The report explores the phenomenon of medical tourism from an economic perspective. In particular, the discussion culminates by highlighting the field’s leading drivers. Room for inefficient healthcare operators is constantly shrinking in a rapidly globalizing industry; hence, it is imperative for all...

In order to solve the perceptual needs of consumers for products, it has a deeper spiritual connotation while satisfying the functions of products. By observing user behavior, analyzing the user’s specific motives and operation methods for using the product, discovering the experience touch points during...

SSVEP based BCI system helps Tetraplegia patients to communicate and control devices based on Steady State Visual Evoked Potentials (SSVEP). Home automation systems are in huge need for the Tetraplegia patients to control home appliances like nurse calling system, lights, and Television sets by using...

Base on the test method in EN 12572-1-2007, a finite element model of rock plate impact test have been established. It can solve the maximum stress and strain of the rock plate and the impact test equipment, analysis the structural failure point. By changing impact height, it can be used to solve different...

This paper presents a control strategy for wind turbines to enhance their fault ride-through capability. The controller design is based on pitch controlled variable speed wind turbine equipped with doubly-fed induction generator (DFIG). The fault ride-through is realized by injecting a crowbar with variable...

The current transformer, as one of the basic electrical system components, by its accuracy and stability, ensures the metering, protection and analysis of the power system. The current transformers are wildly used since 1884, when the electromagnetic transforms were invented. Recently, the capacity of...

The production of multi-layer insulation for spacecraft has formed a specialized unit production mode, which has made great progress in terms of production technology and methods.But because there are many types of products and low repetition rates, the production belongs to the production of single-piece...

Indonesia is the country that has the largest BTS (ARMY) fan base in the world. This is an opportunity for McDonald’s regarding promotions that use Fan-based Communities. On June 9, 2021, Mc Donald launched the BTSMeals product and created a viral video on social media, especially in Indonesia. During...

Combining the target flight and acquisition characteristics with tracking process, a phase calibration method is proposed through theoretical analysis of dual channel monopulse tracking system angular error demodulation principle. The key of that is a new real-time correction phase and real time cross...

Based on the autoregressive distribution lag model, this paper studies the short-term power load forecasting problem in a certain area of Ningbo in summer. Firstly, the characteristics of time periodicity and temperature sensitivity of power load are analyzed. Secondly, on the basis of this analysis,...

As an important talent support for comprehensively promoting rural revitalization, returning young people are the key subjects for further promoting urban-rural integration and development, and to a certain extent, they contribute to the promotion of high-quality rural development. At present, the return...

The FEO is made from a certain proportion of essential oil component of the curative effect, including terpenes, aliphatic, aromatic and nitrogen containing sulfur compounds. Traditional essential oil is processed and made into tablets, capsules and other dosage forms oral administration, effective ingredients...

Machine learning uses experience to improve its performance. Using Machine Learing, to locate the nodes in wireless sensor network. The basic idea is that: the network area is divided into several equal portions of small grids, each gird represents a certain class of Machine Learning algorithm. After...

From 2005 to 2020, the ecological carrying capacity of resources and environment in western Jilin has undergone significant changes, reflecting regional differences in resource utilization and environmental management. The fluctuation of REECC value is between 0.23 and 0.54, which shows the imbalance...

Social media platforms have emerged as crucial arenas for businesses to engage in communication and promotional activities. But the willingness of consumer engagement in generic interactive content within official corporate online platforms has declined. Instead, influencer marketing has emerged as increasingly...

In this paper, the vector equilibrium problem in topological vecror spaces is discussed. By using the well-known Ky Fan section theorem, its existence theorems of solution are proved and the main results of reference [3][4] are generalized.

Subject competition is an important way to cultivate college students' innovation and entrepreneurship ability, which has a very positive effect on improving college students' innovative ability and comprehensive quality. However, with the increasing of subject competition subjects and the scale expansion,...

The aim of this paper is to understand the developing situation of the construction industry in Sichuan province. In this study, the annual construction industry output and labor productivity of 21 cities in Sichuan province were chosen as basic indicators from 2004 to 2014. Based on the two indicators,...

In order to improve the user experience and reduce the operators’ cost, Real-Time Rich Internet Application (RIA) has become more and more important compared with other Web Applications. Real-time RIA combines the Multimedia and Real-time experience in the client side, which provides the live collaboration...