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The paper aims at knowledge management and application problems during the diesel research process, reviews the development of ontology in the Semantic Web domain, analyzes the requirement of the knowledge ontology frame, puts forward the diesel domain ontology candidate principle, constructs the whole...

Whether it is foreign or domestic, preschool education is very important to the society, the school and the family. They pay attention to the development of the young child while women are the key factor. The article will state the importance of the female to the child’s development and analyses the...

The airport security inspection network model based on the Petri Net is established to identify the bottleneck of the airport security inspection system. A reach ability graph is set up to represent the process of the security inspection. We can get an isomorphic Markov Chain by simplifying the reach...

The paper applies several business models such as Porter’s Five Forces, Value Chain, and BCG’s Matrix to analyze the overall performance of METRO AG under the condition of Covid-19 to solve the problems of whether METRO is still worthy of investing. This paper also applies financial analysis with an...

This paper analyzes the influence scope, emergency disposal, fault causes and risk characteristics of Jilin snow disaster, and discusses the means of emergency disposal. The paper summarizes the operation years and icing history of optical cables in Henan Province, excavates the causes of icing, analyzes...

Global illumination rendering is one of the pivotal techniques necessitated by 3D scenes' simulating; thus the quality of global illumination renderer would significantly affect the reality of such a simulation. Based on ray tracing, one of the major algorithms which aim to achieve great and realistic...

Aiming at solving the problem of dash current and over voltage of parallel reactive compensation capacitor group in power system ,this paper research on the phase control synchronous switch and the current-limiting reactor .With the of Huangti system, which involves both of the protection tools, Simulation...

Based on the input and output data of eight high carbon industries in Hebei, Inner Mongolia, Shaanxi, Shanxi and Ningxia from the year of 2003 to 2011, this paper used Malmquist-Luenberger Productivity Index to estimate the green productivity and its decomposition. According to the empirical analysis...

Across the past decade, the number of foreigners coming to China is increasing, accompanied by increasing multilingual interpretation needs. The demand is most pronounced in the realm of medical and healthcare related translation, due to its high degree of required professionalism and high frequency...

COVID-19 is an infectious disease caused by virus SARS-CoV-2 virus. Early classification of COVID-19 is essential for disease cure and control. Transcription-polymerase chain reaction (RT-PCR) is used widely for the detection of COVID-19. However, its high cost, time-consuming and low sensitivity will...

In Taiwan, numerous stores provide rewards points with which customers could earn rewards. Mostly the points were collected in the form of a rewards card. When a customer owns several or even dozens of rewards cards, this point collection system may become very annoying. Therefore, we decided to develop...

In this paper, combined with the construction of grid portraits, considering the differences between grids, and by sorting out the influencing factors of grid operation and maintenance costs, such as geographical location, operating environment, load density, economic level, safety and stability, a combined...

Innovation and entrepreneurship is the driving force for the rise of a country, rejuvenation of a nation and development of a society and is an effective way to get out of economic development predicament and solve employment problem. Cultivating innovative entrepreneurial talents and improving the innovation...

Wireless sensor network (WSN) is a new generation of sensor networks, which has an extensive application prospect, but the energy limitation of sensor nodes is a key issue of WSN. This paper designs a kind of energy saving supply system which is applied to WSN. The system makes full use of the electric...

Taking the finished product warehouse of precision casting enterprise as the research object, the traditional warehouse business process is investigated and analyzed, and the warehouse business process model based on Petri net is established. The reachability tree method is used to analyze the network...

In hard real-time systems, faults happen every now and then. With respect to the criticality of this kind of system, the capability of fault tolerance is necessary. A fault tolerant scheduling algorithm is capable of guaranteeing timing requirements of tasks even when faults occur. A primary-backup based...

Among the designs of ultra-high-speed analog to digital converter, folding-interpolating structure has great advantages in control of chip area and power dissipation. But the frequency-doubled effect of folding-interpolating ADC will restrict dynamic performances of ADC, such as bandwidth and linearity,...

In this article, the porous media fluid flow experimental apparatus and five groups of solid particle parameters containing porous media are introduced. And the friction factor curve is drawn along with the change of Reynolds numbers according to the pressure drop-flow relationship. According to the...

In this article, the volume average method of fluid flow in porous media is introduced and the unit volume resistance is analysed, then the Brinkman-Forchheimer extended Darcy model is obtained. Numerical results of fluid flow in porous media are solved, numerical results show that fluid flow in porous...

As an important part of human cultural heritage, many ancient paintings have suffered from various deteriorations that have led to texture blurring, color fading, etc. Single image super-resolution (SISR) which aims to recover a high-resolution (HR) version from a low-resolution (LR) input is actively...

The emerging technologies from the field of artificial intelligence (AI) have been deployed in many industries such as various online services, construction, car, and cybersecurity. Such technologies are advantageous because they can process and react to their environment or inputs in a way similar to...

In this paper, the issue of two-dimensional (2D) direction of arrival (DOA) and two- dimensional (2D) direction of departure (DOD) estimation for bistatic multiple-input-multiple- output (MIMO) radar with cross array is investigated. A novel multidimensional angle estimation methods based on unitary...

Impulse radio (IR) 60GHz signal has been applied in ranging and localization systems because of higher multipath resolution. In order to improve the precision of the TOA estimation, a threshold selection algorithm based on a Joint Metric of the Skewness and Kurtosis after Energy Detection is proposed....

The life cycle economy of the power distribution network planning scheme is becoming more and more important in power markets. The model of the distribution network planning and the configuration of switches based on the life cycle cost (LCC) of equipment was presented. The main objective is to minimize...

People pay more attention to the green house recently, but the study of green building investment project decision-making is not enough. Considering the interaction between the attributes, Shapley function is used to determine the attribute weights, the integrated value is calculated using IG-IVIFHSA...

The stock of Kweichow Moutai, as one of the representative of China’s value investment stocks, rose nearly 60 times in the 19 years since its listing in 2001, its operating income increased from RMB 162 million in 2001 to RMB 88.9 billion in 2019, with a compound annual growth rate of 25%, and its net...

Underwater complex sound sources have many types. The radiated power of these sound sources was obtained by measuring pressure in the ocean, but the measurement based on sound pressure in the ocean has some uncertainty. The sound pressure for one point or several points is not enough to characterize...

With high voltage network as the core, the coordinated development of all levels of the grid, unified strong smart grid construction, the demand as a foundation for power grid intelligent base support of power communication transmission network development at a high speed. The expansion of the scale...

Maintenance management is an extremely important part in the work of electric power communication net, it's the key to guaranty stable operation of the network. This paper proposed that communication maintenance management based on fault early-warning analysis, used big data technology, and combined...

In this paper, we propose a bi-directional multipoint-to-multipoint multicast scheme, a SD channel-based Multicast with Round robin Access (SDRAM), for ATM networks, which uses a single tree for a multicast group consisting of multiple participants that are either senders, receivers, or a mix of both....

For the control unit in the level of automationassisted workshop relatively backward status quo and Put forward its own solution. Auxiliary control of the integrated development of the need for an analysis, the use of Planning and design theory. Based on the current status quo at home and abroad auxiliary...

In order to ensure reliability and safety of nuclear power plants remain within acceptable limits and to achieve cost-effective investment, based on technical and economic analysis method, a economic analysis model of life cycle management (LCM) for main transformers at nuclear power plants is established....

Non-line-of-sight (NLOS) is the major problem for the indoor localization. So as to deal with NLOS propagation, a novel NLOS identification method is proposed based on the skewness and slope of the (energy detection) ED-based received energy block. IEEE 802.15.3c 60 GHz channel models are used as examples...

Under a comparative framework of cultural differences, this essay aims to scrutinize the representation of female subjectivity in terms of self-consciousness, gender performance, and the ethos in China’s 1980s. As the configurations of women constitute a special field of cultural production in modern...

The method was proposed to integrate network resources of Oil geology by difference modes based on the characteristic of china Oil geology network resources and integration pattern of network resources. The following primary network resources integration system was developed based the Web technology...

With the development of China’s rural economy, the needs of rural residents have become more complex. Nowadays, promoting the comprehensive information management of rural residents and building a service system has become the goal of developing rural information services. As the best means to improve...

With the speedy development of modern industry, the technology of wastewater treatment plays an essential role in the research of environmental protection science. The tech of Pulsed Arc Electrohydraulic Discharge (PAED) has been intense researched by virtue of its marked treatment effect, low power...

As a representative of China's energy transformation, water conservancy and hydropower development play an essential role in China's realization of the dual carbon goal. Under the background of attaching great importance to safe production, the issue of safe production in the construction of...

The laser beam will be severely attenuated in the rain to transmit unable to complete the scheduled tasks arriving at the role of target. On the attenuation characteristics of laser in the rain in the infrared wave band has conducted in depth study, but in the visible range it is lack of study. In this...

To ensure safety and stability of distribution network, the maximum allowable capacity of DG has a certain limit. The maximum allowable capacity can be defined penetration level. The paper first analyses the influence caused by DG on power flow, network loss, node voltage, power quality, current protection...

The Railway safety systems continue to face significant challenges from undetected track defects, infrastructure obstacles, and potential collision scenarios. Traditional manual inspection protocols and conventional sensor-based monitoring systems frequently demonstrate limitations in terms of processing...

Some problems such as long processing cycle and false alarm exist in traditional target detecting. An improved multi-threading data acquisition system is introduced in this paper for the solution. In this system independent collectors cooperation mode is injected, which could acquire acoustic signal...

Earthquake poses serious hazard to human life and property security. Civil engineering structural vibration control especially the semi-active control can effectively reduce the earthquake damage to architecture. Neural network control has the ability of self-learning, adaptivity and parallel distributed...

Accurate daily precipitation prediction is crucially important. However, it is difficult to predict the precipitation accurately due to inherently complex meteorological factors and dynamic behavior of weather. Recently, considerable attention has been devoted in soft computing-based prediction approaches....

Critical for flanging of square tributary junction on cylindrical steel tube is to determine the shape and sizes of pre-machined hole. In order to investigate precise shape and sizes of the pre-machined hole, an optimized design model is established. The forming process during flanging is simulated with...

In this research, a new type of roof cultivation substrate with different ratios of six kinds of substrate products and inorganic substrates was laid in a self-made roof model with a thickness of 7.5 cm and 15 cm, and the substrate was sprayed to record the matrix flow production time, the amount of...

Agricultural talent education is a characteristic of the current development of agricultural modernization in China, and it is the core mode of agricultural economy that combines emerging digital technology with the agricultural production. Modern agricultural talents are the key to supporting the development...

Net photosynthetic rate (PN), transpiration rate (E), stomatal conductance (Cond), intercellular CO2 concentration (Ci), and vapor pressure deficit on the surface (VPD) of Taxus cuspidata leaves set at a series of CO2 concentration were investigated with the LI-COR 6400 portable photosynthesis system....

Second - hand goods trading has become a popular thing in ecollege students' spare time. At present, there are various kinds of information issuing platforms on the market, such as the Net barter, the exchange net, but the content of information issued is less well-directed, the arragement of information...

The purpose of this paper is to research wind power fluctuation character of the wind farm. First, the qualitative and quantitative analysis methods are combined. Sliding difference algorithm is used to construct wind power fluctuations evaluation system. Calculating wind power fluctuations value volatility...