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To solve the problem of that the existing sound insulation window cannot control the low-medium frequency noise effectively, active and passive noise control technologies are used in the internal and external staggered open channel to broaden the noise reduction frequency range of the existing sound...

The engine friction loss and vehicle fuel economy aiming at several kinds of energy-conserving engine oils with different quality standard, viscosity grade, friction modifier, and viscosity index improver were tested in this paper. Experimental results showed that the engine friction loss was reduced...

As the problem of vehicle fuel consumption and environmental pollution has caused wide public concern over the recent years, improving vehicle fuel economy is extremely urgent. Through vehicle fuel consumption test on mini cars based on New European Driving Cycle (NEDC), the impact of energy-conserving...

Star sensor is an important part of the attitude control of a space vehicle. At the time of image acquisition, CMOS sensors will have some fixed pattern noise which will affect the image capture effects. From the practical application, this article apply the average of de-noising algorithm to eliminate...

In a cooperative air combat, the whole command and control system (CCS) may lose control if the lead plane in the middle of the fleet is damaged or fails. In order to solve this problem, this article simulates a dynamic and global optimum CCS for the cooperative air combat with the particle swarm optimization...

Based on the analysis of power consumption of the circuits, isolation transformers and secondary cables of traditional lighting systems, this paper proposes a long-term power efficient lighting system regarding LED airfield lamps, without modifying the topology of power circuit. New types of sine wave...

A parallel algorithm for terrain generation based on CUDA architecture is proposed in this paper, which aims to address the problems of high computational load and low efficiency when generating large scale terrains using the Perlin noise superposition method. The Perlin noise superposition method is...

With the rapid growth of the count of vehicles, congestion and traffic accidents frequently occur. The situation triggers a series of social problems. The application research on computer vision and digital image processing system is presented in this paper provides a real-time method which identify...

Tunneling problems of the topic-multiplicity of a web page makes the relevance of the highly relevant page to be weakened. In this paper, we proposed a novel relevance prediction for focused crawling to solve gray tunneling. Our approach is based on calculating the relevancy score of web page based on...

Dichloroacetic acid (DCAA) is one of the most common, stable and carcinogenic byproducts in water and wastewater treatment. In this study, dechlorination and decomposition of DCAA by glow discharge plasma (GDP) in a sodium sulfate solution were investigated. Intermediate products were identified and...

In 2013, the frequent haze weather has caused widespread concern. Accompanied by the fast urbanization in 1990s, air pollution appeared in Beijing soon, and the air pollution has threatened the residents’ health in Beijing. Through learning from London’s experience, this article will combine London’s...

Cities and surrounding suburbs are Earth's fastest growing land use.For the purpose of predicting future urban evolution trends and elaborating rational policies for regulation and control, it’s significant to distinguish correctly the rules of urban expansion and to analyze the evolution process. Offering...

This study aims to analyze the effect of competitive advantage and the role of information technology in Nagari Tuo Pariangan Tanah Datar District and tourist satisfaction as an intervening variable. This research is a causative research with PLS (Partial Least Square) analysis technique. The population...

The purpose of this paper is to elaborate on the necessity, objectives, guidelines, potential problems and countermeasures of organizing National Unified Graduation Examination for Ethnic Preparatory Education Program. A questionnaire survey is conducted in four preparatory training institutions to get...

In the field of the application of modern HF communication, much more attention is paid to the technology of HF OFDM modulation-demodulation. HF channel is the frequency and time selective fading channel. To reliably receive information, HF receiver must estimate real-time channel parameters to equalize....

The Qinghai-Tibetan Plateau region is known as the “Third Pole of the Earth”, “Water Tower of Asia” and “Roof of the World”, and is one of the important ecological security barriers in China. However, the global warming, rapid development of second and tertiary industries as well as backward agriculture...

The property-related crime is an important type of crime, which affects the stability of social order, and presents the characteristic of "high-occurrence but low-breakage". In order to realize the precise prevention against the property-related crime, this paper constructs a large-scale environmental...

Dance therapy is a treatment method that promotes mental health through artistic expression involving physical movement. This study deeply examines the mechanisms by which dance therapy contributes to mental health education among university students. It analyzes the positive role of nonverbal emotional...

Subjects of Zhuang creation show their brilliance in the creation of Songs of Bu Luo Tuo. The text with the properties of nature worship, totem worship, ancestor worship shapes the universal ancestor god Buluotuo becoming the spirit of ethnic members of solidarity and coordination of actions. It reflects...

Leisure agriculture is the embodiment and extension of agricultural production, rural life and agricultural ecological functions.The recreational value and development potential of distinctive leisure agriculture resources appear more and more important. Leisure agriculture resource exploitation scale...

Milk clotting enzyme is an important enzyme in cheese industry, to obtain an industrial strain with high milk-clotting enzyme activity, Mucor miehei was used as the origin strain and mutagenized by Ultraviolet (UV) and UV combining lithium chloride(LiCl), respectively. The result shows that lower concentrations...

At the village level, village officials face many obstacles in providing services to their communities. The existence of a communication service in the form of verbal and non-verbal communication that runs smoothly and is considered good at the Wali Nagari Tuo Pariangan office with the village community...

According to the design requirements that the operating rod should provide a sensing capability to make the operator at the remote end be personally on the scene, in this paper, we propose a force feedback operating rod equipped with 3-RRR spherical parallel mechanism as the basic configuration by analyzing...

Metal rubber is a kind of functional structure material, which has important application value in military equipment and civil machinery. The preparation process of metal rubber blanks plays a key role in the performance and structure of metal rubber and is the foundation of metal rubber research. In...

Borehole thermal energy storage system can store thermal energy by adopting the existing borehole heat exchangers, which reduces the cost of constructing the storage system and facilitates the long-term stable operation of borehole heat exchangers. In this paper, the operating parameters of a medium-shallow...

In order to broaden the sound absorption bandwidth of single-leaf microperforated panel(MPP),The structure of MPP with partitioned cavity is introduced and its sound absorption performance is studied by impedance tube experiment. Results show that the MPP with partitioned cavity has two sound absorption...

This paper studies the effects of environmental factors on compressive properties of laminated composites containing a circle hole. compressive tests were conducted on three types of specimens that are exposed to low temperature, room temperature and hygrothermal environment respectively. The tests were...

Since the structure of electromagnetic current transformer is fully enclosed, When the fault occurs, using the traditional electrical insulation detection methods only detected whether it has defects or not. We cannot analysis the form and nature of the defects by using that detection method. In this...

Rumah gadang is a Minangkabau traditional house. Rumah gadang is a stage house where the house body is enlarged upward, like a ship. While the roof resembles a buffalo horn called gonjong. This paper describes the mathematics that is embedded in the design of rumah gadang. Exploration is done through...

In this paper, we investigate multi-dimensional computational model, k-neighborhood template A-type three-dimensional bounded cellular acceptor on four-dimensional tapes, and discuss some basic properties. This model consists of a pair of a converter and a configuration-reader. The former converts the...

This essay, aims at measuring general track power supply and a local one, manages to apply all-phrase FFT spectrum analysis technology to 25Hz series track circuit receiver. By taking advantage of the phrase invariance character of the APFFT, which provides us with precise phrase difference under asynchronous...

The purpose of the paper is to introduce a reformed evaluation approach and to probe into the attitude of the students to the new evaluation system in accordance to a reformed CALL environment. A questionnaire survey is conducted in the experimental class to get a general idea of the learners' identification...

Kindergarten should create graceful environment to fit in children’s psychological request. In designing master plan of kindergarten, a favorable exterior environment should be created by functional division, entrance setting, building organization and integration of exterior play area, green and roads.Kindergarten...

Video surveillance systems are widely used in security field. The large amounts of video data make it time-consuming for criminal investigation. Traditional researches conducted on visual analysis are extremely challenging, due to the complexity of scenes, such as large variation in viewing angle and...

Sharing bicycles into the university campus provides a new and convenient way for teachers and students to travel. In order to explore the influencing factors of the willingness to use shared bicycles on campus, based on the Technology Acceptance Model (TAM), three factors of perceived characteristics...

The Eu2+ activated Zn/Mg co-doped aluminate phosphors for white LEDs was prepared by the solution combustion method at 600 successfully. The crystal structure model of the phosphor was built, and the band structure and density of states of phosphor were calculated using CASTEP program based on density...

This paper selects 31 provinces in China to measure China’s export technology complexity in the current situation. It applies Dugam Gini coefficient and its decomposition to study the variances in the export technology complexity of China’s manufacturing industry overall and among the four major regions....

China is presently undergoing a transition in urban development, aiming to facilitate the high-quality advancement of urban buildings during the renewal phase. In this regard, this paper focuses on the existing rural residences in the suburban areas of Hohhot, Inner Mongolia, conducting field surveys...

Take Hutuo River Bridge as an example, study the key technology of construction of shaped steel-hybrid combined cable-stayed tower, due to the structural specialties of the main tower, the main tower adopts scroll modeling, elliptical gradient cross-section, double-layer end-plate bearing connection...

An ethnobotanical survey of medicinal plants was carried out among Minangkabau tribe in NagariTuoPariangan, West Sumatera. The survey was carried out to gather information on the use of medicinal plants in order to learn about traditional knowledge of NagariTuoPariangan community. Semi-structured interview...

Public-private partnerships refers to playing comparative advantages and raising the level of supply of public goods and services between the public sector and the private sector through profit sharing, risk-sharing, and collaborative participation. through analysis on causal connections between the...

First-class cities match first-class power grids, build world-class modern distribution networks, and accelerate the construction of distribution networks in world-class cities to become the mission that Chinese power grid enterprises must undertake. There is no consensus on the current connotation characteristics...

In recent years, corporate strategic implementation evaluation has received more and more attention from academic circles. Taking relevant theoretical works as a whole, this paper analyzes the characteristics and key elements of the strategic implementation process. In addition, this paper proposes an...

With the development of economy, human society has entered the Internet era. And people have imposed different requirements on industrial design style. Especially in recent years, industrial design has been developed and become an indispensable part of the modern society. Consequently, the paper studied...

With the rapid development of online shopping platform, the traditional logistics distribution system is facing great challenges, which aggravates the operation pressure of urban traffic and makes the planning of logistics distribution route more complicated. However, the existing distribution route...

Recently, due to the advance in dynamic image processing, computer animation, augmented reality (AR), and so forth, it has become increasingly apparent that the study of four-dimensional pattern processing (three-dimensional pattern processing with time axis) should be very important. Thus, the study...

Blum and Hewitt first proposed two-dimensional automata as computational models of two-dimensional pattern processing?two-dimensional finite automata and marker automata, and investigated their pattern recognition abilities in 1967. Since then, many researchers in this field have investigated the properties...

As a new type of bus service mode, the efficient operation of demand-responsive bus can not only improve the efficiency of urban traffic, but also meet the growing travel needs of citizens. Based on the survey of residents’ travel choice behavior and willingness in Jiaozuo City, this paper constructs...

Due to the randomness and volatility of wind power, the problems of voltage fluctuation, harmonic and so on will have a serious impact on the power quality of power grid. (Which produces a voltage fluctuations, harmonics and other power quality problems will severely affected power grid.) The wind turbine...

As a country along the ‘Belt and Road’ initiative, Vietnam has seen a growing demand for private Chinese language learning, and private Chinese language training institutions have developed rapidly; however, there are still some dilemmas in their development. This article investigates the development...