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One of the biggest problems today is how fast misinformation spreads, affecting people, groups, and entire societies. With so many of all of the people relying on social media such as WhatsApp, Facebook, and blogs, it’s more important now than ever it was to check for whether the information that we...

Lucid waters and lush mountains are invaluable assets. Since the 18th CPC National Congress, China has always adhered to the concept of “two mountains theory”, comprehensively promoted the sustainable development of green economy and the construction of ecological civilization, and provided fundamental...

Conventional rough set theory is based on indiscernibility relation, which lacks the adaptive ability to data noise or data missing. Furthermore, it may present qualitatively whether or not the faults exist, but it can’t compute accurately the value of the faults. Though the neural network has ability...

How to adapt to the development status of an aging population, develop innovative tourism products and improve the tourism experience of elderly tourists have become an important issue for tourism enterprises to be solved. Based on this, this paper constructs a structural equation model to explore the...

Power electronic transformation system is applied widely in industrial control and the application environment is complex. Big, small and medium-sized system power consumption improves continuously, so it is urgent to reduce the system energy consumption problems. This paper proposes a way to reduce...

The potential motivation for families to bear self-housing liabilities is to hedge background risks. Probit and Tobit models are established based on the data of China Household Finance Survey in 2017. The regression results show that households pay more attention to the background risks on the liability...

The disparities in parental investments might affect preschool children’s early learning experiences and quality, and result in inequality in children’s future development. Based on 282 three-to-five-year-old children and their families from the China Family Panel Studies in 2018, this paper adopted...

Based on the analysis of the workflow patterns, this paper designs the active state of the workflow, and puts forward the idea of the logical design of the engine driven. It can conveniently define the information model of the workflow based on relational database systems, it can effectively reduce the...

This paper summarizes integrated simulation technology development status of gas turbine equipment at home and abroad, makes comparative analysis of the deficiencies in the existing domestic research, forecasts the direction of development in the field of integrated simulation about gas turbine equipment...

Outdoor SVG (container-type) is especially suitable for limited space, such as old substations. The limited space of the entire device, and electromagnetic noise inside, especially that of the power chamber which is far higher than ordinary SVG. In the final analysis, the study on the law of change of...

Mainly about the development of civil engineering, in the future field of civil engineering, there are about the differentiation of construction areas, there are environmental and climatic impacts, there are also unique innovations, the study is the future encountered in various regions and climates...

Performance of coherent atmospheric optical communication system with heterodyne detection and LDPC codes was evaluated over atmospheric channel attenuations of which are about 20-30 dB/km. To reduce bit error and enhance the system performance LDPC code was implemented in system. Combining coherent...

Using the data of all quarterly transactions made by mutual funds in Chinese stock market, this paper investigates Chinese mutual fund herding behavior by applying LSV and FHW measures. We find higher herding levels in Chinese stock market compared to developed ones, and it is periodic and especially...

Preferred stock is a mixed financing tool which risk is less than ordinary shares, but income is higher than bond. It has an irreplaceable position in the field of investment and financing, and has great demand of market. Western countries generally use the preferred shares, especially in America. Preferred...

The principle of using photoelectric sensor to detect the pulse waveform is introduced. A low cost photoelectric pulse detection device is designed, which can improve the pulse detection circuit. In addition, the pulse signal waveform display PC is designed by using C# language, and the pulse waveform...

Urban public transportation network is a typically complex network and the local fault of network often leads to serious systemic impact, causing cascading failure. Research on cascading failure of the bus network, is advantageous to understand of the potential key individuals of the network, so as to...

Searching engines become the major tool for information retrieval of users with the rapidly increasing Web information. Traditional search engines can't completely evaluate users' search aims. It will lead to retrieval quality decline and increased cost. The paper proposed a better personalized image...

Living in an unpredictable and uncontrollable unjust world would be unbearably threatening, so people prefer to believe that the social system is fair, legitimate, and justifiable. To explore the connotation of justice belief, several methods are used. First, 30 participants from various vocations are...

In this paper, the influence of nozzle hole shape on internal flow and near-nozzle spray behavior was studied. A flow visualization experimental system with a transparent scaled-up injector was setup. Three nozzles with the same hole outlet diameter but different hole shapes were used. Detailed comparisons...

For the modern intelligent manufacturing enterprises, the information security has a direct impact on the normal operation and long-term development of the enterprise. This is the problem which the enterprise should pay attention to it. How to construct information security and protect the core information...

In order to keep the balance between construction industry development and environment protection, achieve the sustainable development between economy and the environment. As a part of sustainable development policy, this study aims to replace fly ash with volcanic powder for making concrete. By making...

This paper aims to research and analyze the heat dispersion of small variable capacity refrigeration system which is used for cooling the chips with high heating flux. The cooling system was built for researching what influence refrigerant charge will bring to the performance of the system, such as suction-exhaust...

The paper discusses the influence of different transmission line models on lightning protection performance of transmission line under different circumstances by studying the mathematical model and calculation method of transmission lines. And the paper uses EMTP method to compare the actual calculation...

With the development of computer and related technology, makes the computing, communications, network and sensor, and other functions are integrated in wireless sensor network technologies. This article is precisely based on this research background, we have analyzed the overall design of wireless sensor...

Along with computer technology's popularization and application and popularization, the network technology has been widely used, the resulting network security issues have become increasingly prominent, the network itself and network information system which is based on the potential security risks....

In order to improve the performance of propeller the propeller efficiency optimization method under the off-designed conditions were studied. Taking the open water efficiency around the designed velocity of parent propeller as the objective function, taking the radial distribution of pitch ratio as the...

In order to enlarge the application scope of the existing criteria for the heat transfer deterioration, the criteria of heat transfer deterioration was assessed by using the method of mechanism analysis and experimental data available in the literature. The obtained results indicated that the criteria...

Based on posterior probability of support vector machine, the analysis of dissolved gases in oil and the data of electrical tests are used comprehensively to recognize internal fault positions of the power transformer. This method not only inherits the advantages of the support vector machine for small...

This study aims to reveal a cause-effect relationship in language use among students towards their lecturers in the English department UNESA on WhatsApp as one of the online communication platforms. This study’s objectives are to seek the language style used by the students in contacting their lecturers...

The hydrogel is a three-dimensional reticular polymer with high water content, which was used in various fields such as medicine, biology and environmental protection. However, the characteristic of lower mechanical properties limited its application. Therefore, the improvement of the mechanical strength...

The Internet of things is the key strategic application in the twelfth Five-Year plan of emerging technology industries in China. This paper introduces the basic concepts of Internet of things, proposes a three-layer model development platform based on the International Telecommunication Union (ITU)...

Given the importance of image quality evaluation in the field of image acquisition and processing, and for the most commonly used method for objective evaluation and subjective evaluation method in the limitations of practical application, this paper presents a comprehensive image quality evaluation...

This paper addresses a model reference adaptive controller which has simpler structure, fewer adjustable parameters, easier operation and accurate tracking capability even in the presence of external disturbances and uncertainties. The controller is applied into the perforated mill automatic speed control...

Knowledge mining based on ship instances information has an important support role for ship design. In order to obtain easy to use knowledge from ship design instances composed of natural language text, this paper proposes an empirical case knowledge mining method for ship design domain. The method uses...

View maintenance is a hot topic in database. But unlike database view, the knowledge view of knowledge management system has its particularity. The knowledge view is a cache of knowledge item that can be access quickly. Based on rough set, this paper proposes an approach of constructing knowledge view....

In the flotation of copper - lead - zinc polymetallic sulfide ores, flotation separations of those valuable minerals have been a difficult problem due to their finely-associated intergrowth and similar flotability of these sulfide minerals. This paper summarizes the research status and progress of mineral...

According to the mineralogy of the polymetallic ore the process of preferential flotation of copper was adopted, and the separation of lead, zinc and sulfur were carried out and implemented Four products, including copper concentrate assaying 22.67% Cu at a recovery of 91.77%, lead concentrate assaying...

In view of the fact that the parameters can not be fully identified, which is frequently occurred in real adaptive parameter identification, this paper makes a deep analysis and studies the effect of the adaptive control law on the situation that parameter is not fully identified. In order to simplify...

With the proposition of the "Internet +" concept, "Internet +" has already become a big trend while both the central government and local sectors are promoting the rapid development of the Internet industry. How can the library grasp the opportunity and use the network environment to transform the service...

With the method of modal analysis, the full Jacobian according to the power system power flow equations is studied and a method to identify the suitable bus for loading shedding is proposed in this paper. The proposed method makes use of the participation factors corresponding to the active power, by...

Determination of the location where the shunt reactive power compensation devices is important for the enhancement of the power system voltage stability and the decreasing of power losses. With the method of modal analysis, this paper adopts bus voltage participation factors to solve this problem. In...

To avoid the disadvantages of the traditional video surveillance, such as short distance transmission and one-way flow of analog signals, a modified visual monitoring platform was developed by the power line carrier communication and the senior multimedia technology in this work. The platform made from...

With the reform of education system in China, quality education and cultivation of innovative talents have become an important direction of education in our country. With innovation consciousness and innovation ability of high quality talent is the country's need, the University in such a large environment,...

Brine water based drilling fluids have advantages on protecting reservoir and stabilizing well hole, meanwhile, it also have some defects such as low lubricity and strong corrosivity, especially the low lubricity have already become an important problem demanding prompt solution. Focusing on the problem,...

It is difficult for end users to configure security models in operation system without technical knowledge, since security models are defined by experts who have security experience. Indeed, there is no complete method to translate user security requirements into implementable security policies. In order...

On the condition of bit stream, for the reason of simple character sets of target strings and Pattern strings, the probability of appearance of absolutely bad character is very low. The bad character shift is not suited for pattern matching, because of it’s low efficiency. This paper gives the definition...

Networked monitoring and control system of tyre building machine is a LAN management system characterized by possessing servers and multiple clients, which are developed by LabVIEW, the virtual instrument development platform and combining with network information technologies such as TCP/IP and OPC....

The new aim of Financial Support for Education at colleges and universities is financial aid education. The development of big data technology has brought unprecedented development opportunities for accurate financial aid education in colleges and universities. We design and develop a big data-based...

The repeated movement between the piston rod and the barrel during the process of cylinder impact will lead to leak and shorten the life of the cylinder. In order to research the distribution of dynamic stress and deformation of the piston rod and the bush when the piston rod suddenly stops at the end...

In this paper, a new variable M/T method called leap variable M/T method is introduced for speed measurements by optical incremental encoders in motor servo systems. In this method, both encoder pulse and high frequency clock pulse are counted in a variable interval as conventional variable M/T method...