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There are four profitable and valuable companies, Oshkosh Corporation, Intel Corporation, Arena Pharmaceutical Inc., and the Walt Disney Company, and we are choosing the most valuable one for investors to invest in. Among these four companies, the most valuable one should be determined carefully. This...

Because of the special optical underwater imaging environment, the contrast and quality of images are affected severely, causing it difficult to extract objects from underwater images. An adaptive underwater object extraction method based on the saliency maps is proposed in this paper. Firstly, preprocessing...

Due to effects of the light by water and other particles, the quality of underwater image will degrade. The traditional underwater image segmentation methods based on intensity and spectrum have difficulty in determining boundary. Inspired by the visual system of mantis shrimps, this paper constructed...

For the underwater target detecting task, a binocular vision system specialized to the underwater optical environment is proposed. The hardware platform is comprised of a image acquising unit, a image processing unit and a upper computer. Accordingly, the loaded software system is operated for the camera...

This paper presents an improved multistage variable-step incremental conductance method to achieve the maximum power point tracking (MPPT). Compared with the traditional variable-step incremental conductance method, this improved algorithm optimizes the selection of the step size so that the tracking...

In order to analyze the flow and heat transfer characteristics of the secondary air system, a general simulation block library was developed and a characteristic analysis platform of secondary air system was constructed based on the tool box of MATLAB/Simulink. This platform could simulate all kinds...

Stochastic resonance(SR) is one of the applications in weak signal detection. Many researchers used the combination of the traditional first-order bistable system and genetic algorithm(GA), but the output of first-order bistable system is not smoothly enough, genetic algorithm has the phenomenon of losting...

Smart distribution network gathers massive load data with SCADA system. Bus load forecasting needs to increase the process speed while assuring the forecasting accuracy, to meet the real-time requirements. This paper proposed a fast bus load forecasting method for smart distribution system. This method...

Financial contagion is market disturbance from one country to another. The paper focuses on financial contagion from China to the developed and developing countries. More specifically, this paper selects US and UK as cases of developed countries, and Brazil and Thailand for developing countries. Spillover...

In order to investigate the internal pore structure of coal, the adsorption isotherms of coal particles with different sizes were measured using the Quantachrome Autosorb iQ specific surface area and pore size analyzer. The pore characteristic parameters obtained were analyzed including the specific...

An ultrasonic reactor has been built to understand the augment of ultrasonic cavitation effect under dual frequency. Therephthalate dosimetry has been performed to determine the sonolytic yields of the OH free radicals which are produced in aqueous solution after ultrasonic irradiation. In this paper,...

Architecture technology is development model based on some sort of application, offers a wide range of software reuse to provide a unified software development kit for developers and model architecture. First, research the infrastructure consists of Core layer, organization layer, communication layer,...

Aiming at the difficulties of modal concentration and high degree of freedom in the damage identification of the truss structure and the good fault tolerance and robustness of the BP network, based on the theory of the change of the modal parameters of the truss structure before and after the damage,...

A design of intelligent water meter with low power consumption is present in this paper. MSP430 MCU and ZigBee module are applied in this design. The management of the water meter and the communication between ZigBee network and family gateway are completed at the same time. A node with low power consumption...

Micro blog content distribution becomes a bottleneck restricting the development of micro blog. In this paper, a study based on Struts2 framework provides technical support for the system development. Firstly, learning Struts2 framework, core controller, business controller and business logic components;...

Constructing scientific and practical teaching material management system, managers can use the network to deal with related work, students and teachers can always check the progress of teaching material period of related work, check the cost of teaching material, contribute to the management of transparency,...

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...

The National Natural Science Foundation of China, as an important funding channel for promoting the basic researches in the new era, adhering to the strategic positioning of “funding the basic research and scientific frontier exploration, supporting the talent and team for building and enhancing the...

In multiple sound-sources environment, robustness is a major challenge for audio recognition system based on audio fingerprinting, because mixed audio signals may make recognition rate has a significant decline. This paper proposes a novel audio fingerprinting method, which uses blind source separation...

Soil is an important part of the environment, which is the precious renewable resources. Soil heavy metal pollution is becoming more and more serious, which affects the normal function of soil, causes pollution of food chain, threats to human health and environmental quality. Mercury as one of the persistent...

Laser induced forming is a kind of dieless forming technology, which is caused by the uneven internal thermal stress caused by local transient heating. In this paper, the characteristics of the laser flexible thermal forming technology are introduced, and the application prospect of the laser induced...

In order to predict incremental spacing in press bend forming of Aluminum alloy integral panel the typical integral panel test piece was taken as an example. By using numerical simulation method this paper analyzed the effects of different incremental spacing on integral panel forming quality which included...

Different temperature and time parameters were adopted in the stress relieving annealing processes of 5B70 and 5A06 aluminum alloys. Then, the mechanical properties and the variation regularity of residual stress of 5B70 and 5A06 aluminum alloys before and after stress relieving annealing were studied....

The development of teaching Chinese as a foreign language and the dissemination of the excellent culture of the Chinese nation are of great significance to the improvement of China's international influence. Teaching Chinese as a foreign language is not only a language teaching, but also is a cultural...

The monitoring of halo hydrocarbons such as R134a in atmosphere has attract great attention due to its strong global warming effect. In this study, on-line atmospheric pressure ionization (API) and electron impact ionization (EI) mass spectroscopy was used to measure R134a at ambient level (ppt, 10-12...

The ductile fracture criterion (DFC) is widely used to predict the forming limit of sheet metal, and the material constants in the criterion need to be determined by the destructive tests. In order to increase the DFC predication accuracy, the key factor is improving the quality of material constants...

The risk of PPP project is one of the issues the most importantly focused by all participants in the project management; the establishment of a scientific risk early warning system is an effective way to control the risk of PPP projects. Based on the design of the PPP project risk early warning index...

The paper analyses the construction experience and composition characteristics of Hong Kong elderly service facility system, and summarizes the spatial planning features and development pattern. Combining with the current development in mainland, this article gives suggestion to construct a reasonable...

The main body model of the tracked vehicle and the crawler system were established by RecurDyn/Track LM and Pro/E , and the assembly was completed in the RecurDyn environment. Using multi-body dynamics software RecurDyn with specific surface parameters for dynamic simulation, to obtain and analyze the...

The study examined the response of MG63 to Enamel Matrix Derivative (EMD) on the coarse-grit-blasted and acid-etched surface disks. We characterized associated changes in proliferation and differentiation related intracelluar signaling molecular including mitogen activitied protein kibase. The major...

Determination of traces of metals in gases is achieved by using a combination of a Pyrex Gas Washing System and ICP-MS methods. A special purge and blank installation is designed to clean the system with purified Helium (6N). Three 125-ml bubbler tubes in series with a 20 ml of nitric acid (~20%) are...

An economic operation control strategy of island microgrid based on optimal scheduling of energy storage is proposed in this paper. The state of charge (SOC) and type of microgrid is fully considered in this strategy. In grid-tied island microgrid the energy storage charging control is carried out according...

According to the principle of electric field polarization, we sputtered one or a few silver squares on substrate to strengthen polarization of local electric field in the depositing system of silver nanowires in an ultra thin liquid layer. In this paper, we observed electrochemical dissolving inside...

The rapid growth of data service promotes the construction of the electric power telecommunication in smart grids. With the objective of energy savings, we determine the optimal location of the data center with the minimal energy cost within all possible positions. An Integer Linear Program (ILP) is...

Due to the heterogeneity and the nature of distributed control, the existing electric power data communication network based on Synchronous Digital Hierarchy (SDH) has been unable to meet the requirements of dynamic resource allocation and fine-grained traffic monitoring. The OpenFlow-based Software...

With the introduction of modern information technology with the computer and network as the core into the field of education, it not only brings the innovation of education technology, but also provides a condition for the transition of the teaching mode. This paper at first analyzes the challenges that...

Under the background of economic globalization, the emergence of all kinds of new media teaching means relying on the internet has promoted the transformation of the teaching mode and the reform and innovation of teaching content. Nowadays, all walks of life give higher expectations to teacher, which...

To start and develop a new enterprise is limited by various factors due to the uncertainties in such aspects as technique, capital, market and management. Business incubators are an effective way to drive a new-starting enterprise to be developed and mature in a short time. In this paper, through analyzing...

On March 11, 2021, the Fourth Session of the 13th National People’s Congress (NPC) voted to adopt the 14th Five-Year Plan, which defines the guiding ideology of China's economic and social development in the future, focuses on building a green and ecological economy, and puts forward a series of...

Aiming at the unbalanced weight problem of 25m rail in the railway transportation, this paper firstly uses the principle of moment balance and bending deformation principle to make theoretical analysis, and then establishes the finite element model of 25m rail for simulation, and get the weight that...

Government micro blog is an important platform to release information, understand public opinion, pool their wisdom and communicate with the people for government. For the problems existed in the government micro blog management, it clarifies the study meaning, mainly included two aspects. First, improve...

The current China is creating a service-oriented government, puts forward higher requirements on public management behavior, to good use in the field of public administration of modern media tools. Government affairs micro blog is a new kind of method, electronic micro blog innate advantages during the...

Improve the ability of urban rapid response and anti-risk to sudden events, provide more efficient emergency rescue service for urban residents, just to be the problem to solve faced by city managers. In this paper, we study the decision support system for the government emergency decision support. First...

With the constant expansion of Fuxin grid scale and the rapid development of wind farms, problems related with wind farms become increasingly prominent and voltage of wind farm is affected by changes in wind power active output and reactive output. This paper takes Fuxin area as example to analyze the...

The profound changes in the network public opinion in the era of big data, based on the thinking and technology of big data, and the innovation of online public opinion management, have become an important part of promoting the modernization of the national governance system. This paper analyzes the...

Practice teaching plays an important role in the reform of higher education. So, a more standardized, routine, systemized and scientific quality management should be realized, otherwise, the imbalance between construction and management lead to a practice teaching just in name, leaving the objective...

Power grid construction is the core link that forms the physical foundation of the power grid and plays an important role in the high-quality development of the power grid. Currently, power grid construction has entered a stage of extraordinary development, and the typical scenarios it faces are also...

In order to reduce investment and maintenance cost, the optimal sizing of distributed energy in AC/DC hybrid stand-alone micro-grid is studied in this paper. The optimization model is built and economics, power supply reliability and environmental protection are taken into account. By means of the modified...

The overall planning of aircraft digital design platform is proposed concerning the problems and difficulties in construction of the platform. The general mentality of constructing total solution of aircraft digital design platform is presented. The combing method of aircraft digital research and development...

Rough waves may be incurred by strong wind over ocean, and the wind field behind the wave fluctuates violently, which can induce extraordinary impacts on bridges, offshore structures and vessels. The severely interfered performances of wind flows near sea surface by two patterns of rough waves are studied...