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With the development of Chinese washing and industry, the problem of large amount of energy consumption and exceed the discharge standard of sewage cannot be ignored. The development of washing industry is not mature. It leads to energy waste and environmental destruction. Under the macro environment...

Catastrophic news has always played an important role in news reports, and the frequently crashed Boeing 737 MAX has become a hot spot of disastrous events around the world. This article takes reports from BBC, New York Times and China Daily on the crash of Boeing 737 MAX on March 10, 2019 as examples....

In order to improve the corrosion resistance of the metal, polysiloxane (PDMS) coating was prepared on the metal by spin coating method. The chemical structure and micro surface morphology of PDMS coatings were analyzed by infrared spectroscopy and scanning electron microscopy. Using electrochemical...

Background: At present, China’s population problem has getting worse. The birth rate keeps dropping, while the aging population is growing. So it is urgent to solve the population problem. Methods: We take the population of Guangxi Province from 2011 to 2018 as the original data, and use the GM (1,1)...

Under the rapid development of human-computer interaction technology, the human-computer interaction of mechanical engineering will develop more rapidly. This paper first clarifies the development history of human-computer interaction in mechanical engineering; This paper analyzes the research hotspot...

Modern household electronic products design solved those environmental harmful problems caused by unreasonable design from ecological way. Ecological design of household electronic products is to assure the minimum harm to environment in the whole product life cycle, that is to cut down environment harmful...

Electronic information products manufacturing (EIM) industry holds the key to intelligent transformation against the backdrop of a new round of industrial revolution. With patent citation as a research angle, this paper collects and collates the patent data of 24 home and abroad leading enterprises in...

With the development of our social economy, accelerating the process of the city, the urban population increased rapidly, the demand for housing is more and more strong. Housing rental industry through the integration of fragmented social housing, in order to promote the optimal allocation of housing,...

The purpose of this study is to explore the factors that affect residents’ subjective perception of digital cultural tourism, and to study the extent to which each factor shapes these perceptions by establishing a structural equation model. Focusing on Hangzhou, a city in Zhejiang Province renowned for...

Describes briefly ultrasonic positioning system (UPS) and digital magnetic compass(DMC) heading measurement principle,analyzed the advantages and disadvantages of each option. To improve the accuracy of the heading measurement, As the theoretical basis of adaptive Kalman filter, designed a kind of ups...

Human walking with multiple joints movement, The degrees of freedom is more, Movement is complicated, multi-objective and multiple constraints of continuous function, Common optimization algorithm is required more design variables and large range of computing information, convergence difficulties are...

As a new research field, network science is gaining more and more attention with the networking of human society. Urban traffic is a kind of typical complex network, the analysis of its property is becoming a hot topic. The research of the urban traffic network congestion is presented in this paper....

As the development of the information technology, people show strong interest to the emergence of all sorts of convenient and new technologies. However, there will be vulnerability in these technologies and bad attackers may be attack it to break it down. So, if we want to protect a system in detail,...

To get the frequency and magnitude of forest fires in Victoria, the Forest Fire Danger Index (FFDI) is used to characterize some parameters of fires. First, an FFDI calculation model is established based on meteorological data. For the necessary parameter drought factor DF, we used the TOPSIS method...

As one of the most successful approaches to building recommender systems, CollaborativeFiltering (CF) uses the known preferences of a group of users to make recomm-endations or predictions of the unknown preferences for other users. Themost successful approaches to CF are latent factor models, Latent...

In this paper, the growth law of the phosphate and calcium layer in different voltage process was studied. The surface morphology of the film was observed by SEM, and then the distribution of phosphorus and calcium in the film was analyzed. The results show that the higher the voltage, the more uniform...

A dynamic sensitivity method is proposed to evaluate the impact of generators’ reactive power on the recovery of key bus voltage in a system post-fault dynamic duration to improve the problem of delayed recovery voltage. Voltage delayed recovery existed in actual power grid is simulated on Guangdong...

The Bonc-Wen hysteretic model was used describe the rolling piece elastic-plastic deformation process performance of hysteretic characteristics, this hysteretic characteristic considered in the rolling process, vertical vibration model of hysteretic nonlinear of the strip mill roll system is established....

Hunan Defense Industry Polytechnic College, as a university-enterprise cooperation and a combination of work and study in higher vocational colleges, puts practical teaching in the first place in the automotive teaching process, and gives full play to the advantages of school-enterprise cooperation in...

Image dehazing utilizes a very complex algorithm that requires intensive filtering and floating-point arithmetic operations. Consequently, processing speed is the most significant bottleneck in its application in some vision tasks such as mobile platforms. In this paper, we propose an optimized single...

The compound relationship between different moving-orders with different plates of 4-peg Hanoi Tower problem is analyzed in this paper, which is regarded as a new cross correlation pattern without fixed span, not the abutting correlation pattern of 3-peg problem. It is rearranged to a binary and hierarchical...

In order to achieve the stable control for a double inverted pendulum system, linear quadratic Gauss optimal control was applied. Based on separation principle of LQG, firstly, the control law was proposed by the optimal control, and then a state feedback was obtained; whereas, the states of a system...

The excessive consumption of fossil fuels brings air pollution problem in Beijing, and integration of Beijing-Tianjin-Hebei will join a new coordinating development for future development, it will form a symbiosis pattern. How to choose the symbiosis pattern is a key issue of the development. This paper...

In order to strengthen the teaching ability and professional quality of college physical education teachers and build a training system of “offline+ online” coordinated development, the author of this paper follows the reform trend of “Internet+ education” and develops an online training system for college...

Final year project (FYP) is a paramount education procedure to guarantee the quality of higher engineering education (HEE). In view of the quality decline of the engineering undergraduate FYPs in the context of mass HEE, the reasons causing the quality decline of FYP in HEE including the undergraduate...

In recent years, new historical relics and materials related to the Southern Ming dynasty have been discovered one after another on both sides of the Taiwan Strait, and Zhu Yihai, King of Lu, and his tombs have also attracted the attention of scholars. In regard to the tombs of Zhu Yihai, there are currently...

Hybrid propulsion is becoming more and more attractive in both military and commercial fields for its safety, low cost, and throttability. Most of the works on hybrid propulsion so far carried out is connected with the understanding of the combustion of hybrid fuels. However, the ignition of hybrid fuels,...

From the perspective of higher private colleges, research on the employment and innovation ability of students has become the focus and difficulty under the new situation. Higher private colleges want to be invincible in the competition of “springing up”, so they must form their own professional characteristics,...

In early Tang dynasty, Chen Zi'ang proposed "Xing-Ji" theory. It is the important poetry theory in Tang dynasty, and has had a profound impact on the formation of Bai Juyi's realistic literary viewpoint and "Feng-Ya-Bi-Xing" poetry artistic style in middle Tang dynasty. In particular, the poet's allegory...

CDIO, namely, the conceive, design, implement and operate, it is the carrier of the life cycle which from the development of product to its running, and it enables students to take the initiative, practical and organic link way to learn project. This paper selects of a main automation professional course...

Due to the particularity of distribution network, its engineering construction management is very important. According to the content and characteristics of distribution network project cost management, this paper first establishes the effectiveness evaluation index system of distribution network project...

This paper researched the value, significance and ways to achieve innovation of modern furniture, by studying folk art applied to the nationalized original furniture design. First of all, this paper analyzed the three ways for the development of nationalized furniture. Then, it studied the significance...

In recent years, improving the safety of civil engineering structures has become an important part of structural development. In order to improve the safety of oil and gas transportation systems, it is necessary to focus on pipeline safety. The study focused on an X80 high-grade steel pipeline with a...

With the rapid development of information technology, wireless mobile communication services have become increasingly fierce. This study uses telecommunications companies as a research case to explore the gaps between service quality and customer expectations. The research object is the current customers...

Green renewable energy is now the focus of global attention and a key opportunity for non-oil-exporting countries to take ownership of their energy. The study integrated the green energy technologies such as solar, biomass, wind, fuel cell bike and carbon footprint to form the experience activities such...

The identification of Wool/Cashmere fibers is an extremely challengeable problem since both fibers possess highly similar morphological features. In this research, we monitored two group of master students with the textile background in tackling this specific task. Both groups have no experience on machine...

In order to overcome the influence of black region or complicated texture and extract a smooth contour, this paper provides a novel contour extraction algorithm based on twice dynamic programming. The final contour is extracted by a weighted average of the two contours, and control points optimization...

In view of the urgent need to further promote the course ideology and politics in the curriculum of higher education in the post-epidemic era, combining the themes of ‘China Vaccine’, ‘China support’, ‘China speed’, ‘China determination’ and ‘China Spirit’ with the teaching of professional courses, the...

The research of demand forecast of city emergency supplies is of great significance to the management of urban emergency logistics. Taking the city public health emergency as the background, the paper will establish a model of push - pull demand forecasting about solving the problem of emergency supplies...

In recent years, Yue Opera has gradually faded from people’s view. As one of the first Chinese operas to be included in the Intangible Cultural Heritage List, Yue Opera is known or heard by less and less of the younger generation. For the message to reach the crowd, the communication media is an important...

In the era of big data, data rights confirmation has become an important strength to promote data circulation and market development, ensure data revenue, and achieve data security. Based on the previous research results of value chain and data value chain, this study constructs a value chain model involving...

Based on the existing X-ray flaw detector, the writer tried to design a direct current supply system for X-ray flaw detector controller so that a portable DC X-ray flaw detector can be made in China to fit the need of the professional market.

The iron-steel industry is a resource and energy intensive industry and results to abundant GHG emissions because of a mass of fossil fuel consumption. In recent years, air quality in North China becomes worse and worse. In order to analyze the GHG emissions of the iron-steel industry, we made the survey...

The relationship between pulmonary tuberculosis (PTB) and diabetes mellitus (DM) has been previously attracted much attention. DM co-morbidity in PTB is associated with poor PTB treatment outcomes. The purpose of this study is to evaluate the food diversification levels, and the correlation between blood...

Factors that affect tree species suitability assessment especially for embankment shelter forest are very complex. And the information for assessment always has incompleteness, multiplicity and uncertainty. To solve the complexity and difficulty of shelter forest vegetation species selection effectively,...

In order to improve the slope stability of open-pit mine, this paper proposed four prediction methods BP (Back Propagation)Neural Network, Naive Bayes Classifier, Decision Tree and Support Vector Machine for predicting the classification of slope stability of open-pit mine.Firstly, the sample data of...

Referring to the relevant literatures and theories, this paper summarizes and combs many scholars' viewpoints related to optimal portfolios with credit bonds and derivatives. Due to the fact that asset pricing is the basis of asset portfolio, this paper expounds the pricing and optimal portfolio problems...

The calibration of CT system parameters is of great significance to the research of CT imaging technology. In this paper, the parameters of CT system are calibrated with the help of the received information of geometry, and the corresponding mathematical model is established by using Iradon transform...

Smart grid has become one hot topic at home and abroad in recent years. Wireless Sensor Networks (WSNs) has applied to lots of fields of smart grid, such as monitoring and controlling. We should ensure that there are enough active sensors to satisfy the service request. But, the sensor nodes have limited...

In the engineering practice of camouflage, which is located under the background of mountain forest land national defense engineering needs to disguise. A kind of effective method to deal with the optical band infrared and radar reconnaissance is needed. In the forest background, vegetation is a common...