In the aerospace tracking and control mission the command and display system is deployed to a large number of different command terminals that located in different locations, which makes the coordination between these systems become difficult. In this paper, an agent-based control system is proposed....

Based on the lack of monitoring methods and strength of the outdoor advertising screen remote monitoring technology, the overall framework of the remote monitoring system based on the C/S mode is constructed and the overall design of the monitoring unit and the monitoring center of the advertisement...

In this paper, the lightweight external wall brick was prepared by means of dry pressure molding sintering process to explore the effect of the pore-forming agent on its performance. The shale and clay were used as the main raw materials and additives of bran, coal powder and SiC were chosen as pore-forming...

The 6600 DWT asphalt carrier is taken as an example, utilizing the finite element software MSC/PATRAN and MSC/NASTRAN, which the research on yield and bucking direct calculation of asphalt carrier structural strength is conducted respectively dealing with temperature field and without temperature field....

In this paper, colloidal mesoporous silica nanoparticles functionalized with amino-terminated polyethylene glycol (CMS-PEG-NH2) were successfully synthesized using silica nanoparticles modified with a carboxy group (CMS-COOH) and amino-terminated polyethylene glycol (H2N-PEG-NH2). Moreover, the particle...

In order to prepare targeted nanocarrier to gene delivery, a novel nanoparticle was designed to condense pDNA. Hyaluronic acid was regarded as the targeted bio-materials because the HA–receptor-mediated CD44 receptors existed in many issues which were interacted with tumor membrane. The preparation procedure...

Interface is the information platform for Man-Computer Exchange. It's the key factor of user experience. This thesis concludes the principle and methods of product interface design, in the view of user experience, by research on interface design of industrial products. It uses NEST learning temperature...

Eye Tracking is a technology which can accurately tracking the path of human vision, by recording some key data of human eye movement process. The difference in the recording methods selection will decide accuracy and subjectivity of eye movement data. The device to record the date is called Eye Tracking...

Aiming to solve the problem of difficulty of wiring and operation of infant incubator test, we put forward a wireless smart sensor module based on IEEE 1451. The module can realize the function of self recognition, plug and play. The key technology of wireless smart sensor module is thoroughly discussed,...

Presently, the preparation of high pure manganese sulfate solution shows a long and complex process with low efficiency from the low grade manganese ore. The complete removal of calcium and magnesium ions coordinating with high recovery rate of manganese becomes one of the challenges for the conventional...

This paper analyzes how the deformation pattern of the superstructure's side wall alters when the material parameters of the laminate face sheet are tempered while the Foam-Core Sandwich Superstructure is under vertical and horizontal forces separately. The results revealed that, under each separate...

Sustainable product design has become significant factor for customers' selection, whereas it is difficult to evaluate sustainability with imprecise, vague and uncertain information. This paper proposes sustainable design performance assessment model integrating fuzzy theory and grey correlation analysis...

This paper conducts revisions of the existing elastic-plastic contact models for a single asperity with the fractal surface topographies generated from W-M functions. The expressions of the critical parameters and the contact load-area relationship are deduced in the terms of fractal parameters, asperity's...

The extended finite element method (XFEM) is a newly developed method for studying the fracture problems. With the XFEM, the crack is independent of the grids. Compared with the traditional finite element method, it avoids dividing the complex mesh near the crack tip and remeshing work when simulating...

The plant disposition pattern of the soil dump and tailing pond in a metal mine is defined as the model of grass, shrub and arbor, on which based the restrictive factors of land reclamation in mining area, the optimal allocation principle of vegetation and the experimental research on field. The method...

To improve the strength of hexagonal honeycomb, the structure of reinforced honeycomb is proposed in this paper. The strength of this structure could be adjusted by changing the superposition mode of core material. The theoretical model of reinforced honeycomb is built based on the theory of simplified...

To ensure the safe and stable operation of HVDC systems without grounding electrode, this paper proposes a concept of replacing the HVDC grounding electrode with the converter station's grounding grid. This paper studies the technical problems of heating problem of grounding grid. The result shows that...

In order to overcome the low adjusting efficiency, the bad adaptability and the poor controllability in the conventional mechanical cold heading machine. A kind of novel Computer Numerical Control (CNC) scheme is presented. The overall structure is introduced. The selection methods of main transmission...

Photocatalytic activity of doping TiO2 with different kinds of ions were investigated. Through photocatalytic degradation of methylene blue solution, photocatalytic activities of the three materials after treatment and the influencing factors were compared. The result showed that the degradation rate...

For a two-stage supply chain system which consists of a supplier and a retailer with capital constraint, the supplier provides the retailer with option contract. By establishing the ordering model under option contract for the retailer with capital constraint based on CVaR, the optimal order of retailers...

Sulige gas field lies in the desertification area of Ordos Basin, and the natural environment is adverse there, the difficulty of using traditional methods to manage thousands of gas wells there is great. This paper introduced the development of a type of electromagnetic valve for remote control, which...

In some engineering applications, the probability distributions of some random variables are truncated. Under the conditions, if traditional reliability-based optimization design is directly used, difficulties may arise and this treatment may result in large errors in reliability-based optimization design....

To solve the obstacle avoidance problem when UAV is implementing SLAM, a collision cone is built using obstacle avoidance strategy based on collision cone. By ascertaining whether the velocity direction of UAV motion is within the cone, the occasion of UAV obstacle avoidance is judged. This algorithm...

A diamond heat spreader has been combined with Si microchannel for the improvement of the hotspots cooling capability for GaN high power electronic devices. The effects of the diamond heat spreader and Si die have been simulated using steady model by finite element analysis. It was found that the diamond...

The aging tests of nitrile rubber were carried on in transformer oil, and under compression in transformer oil. The effects of compression stress on the thermal aging behaviors of nitrile rubber were studied by mechanical property measurements. The variations of physical properties during the ageing...

Objective To investigate the clinical value of ultrasonography in screening Turner syndrome(45,X) during the second trimester.Methods Amniocentesis were performed on 3,948 pregnant women with indications for prenatal diagnosis to detect karyotype of the fetus during second trimester , The detection rate...

Objective To investigate the value of prenatal ultrasonography screening fetal autosomal trisomy(trisomy 21 trisomy 18 trisomy 13).Methods Amniocentesis and cordocentesis were performed on 6425 pregnant women respectively with indications for prenatal diagnosis to detect karyotype of the fetus during...

Objective To analyze the ultrasonogram characteristics of ovarian thecoma in order to improve the diganostic level for this disease. Methods The ultrasonic characteristics of 64 patients with ovarian thecoma confirmed with pathology were retrospectively analyzed.Results The tumors located at left side...

As an important part in vehicle powertrain mounting system, hydraulic engine mounts (HEM) affect the noise, vibration and harshness (NVH) in vehicle greatly. The modeling and parameter identification of the lumped parameters in model has great significance in the design and study of HEM. A lumped model...

Jujube is a type of forest-fruit product originated in China. Its harvest mainly depends on manual picking resulting in low efficiency, high strength and cost. In order to improve the level of mechanization of harvesting jujube, this research investigated a rotating-contact harvest method of jujube....

The geometry optimization and the shear performance of the nanopins based on the Y-junction carbon nanotubes (CNTs) are investigated by using the classical molecular dynamics simulations. The results show that the service performance of the nanopin is not sensitive to the length of the inserting end...

Wastewater and sewage sludge samples were collected from a conventional wastewater treatment plant (WWTP) in Shanghai, and the concentrations of a frequently detected brominated flame retardant (BFR), namely hexabromocyclododecane (HBCD), were determined. In wastewater samples, HBCD was detected in concentrations...

For the study of the actual performance of TiAl base self-lubricating joints bearing, this paper adopts the vacuum hot-pressing sintering technology to prepare the self lubricating joint bearing blank body. Prepare TiAl base self-lubricating joints bearing through the mechanical processing method. And...

Based on the fractal theory, this paper quantitatively studies the influence of machining parameters on fractal characterization of typical metallic surface topography. Seven kinds of materials were selected including Q235, 45#, 0Cr18Ni9, HT200, T2, HPb59-1 and YL12. The surface topography was obtained...

This paper introduces the freshness rate factor decays exponentially as time goes on to model a market demand function depends on sales price and freshness rate. At the same time, considering the dual influences exerted from the way freshness-keeping effort level of the reseller to the arrival rate and...

With the improvement of aircraft assembly digitized and new aviation difficult-to-machine materials are widely used, conventional drilling is more and more cannot satisfy the needs of processing. Spiral milling hole technology as a new machining technology is relatively traditional drilling especially...

Braided wire rope has been widely used because of its high strength and high twist resistance, and its safety performance in service has been paid more and more attention.Based on the reasonable simplification of the wire rope, resorting to ellipse Four-Center-Arcs method, the deformation of the rope...

Considering bending stiffness,an finite element model is proposed to overhead transmission based on Euler beam.In this model,the displacement of the unit beam is represented by assumed mode method,and derived the mass matrix and stiffness matrixof unit beam by using assumed mode method,secondly,deduced...

As the characteristics of mountain scenic spot possess complicated topography, great elevation differences, high water diversion costs, limited reservoir storage capacity, uneven distribution of rainfall, coupled with hysteresis nature of the manual diversion, scarcity of water resources has become a...

Along with economic development, the number of vehicles in China grows rapidly. Vehicle emission has become a major source of pollution in urban settings. Based on data on the number of vehicles from 2004 to 2014 in Changzhou, the ARIMA model is built to predict the number of vehicles from 2015 to 2020....

A coordinated power system stabiliser (PSS) design for wind turbine equipped with doubly-fed induction generator (DFIG) is presented in this paper. It is shown that the proposed control scheme enables the optimal performance for both the wind turbine structural loads damping and the power system damping....

The radio wave propagation model in granary can provide technical support for the design and application of wireless grain situation monitoring and foreign-body detection in granary. The propagation of radio waves in granary with wheat is studied in this paper. Firstly, transmitting and receiving antennas...

With the tide of Internet plus and Industry 4.0, cloud computing technology has got rapid development and extensive application while the issues of security in cloud computing platform has attracted more attentions. Initially, this paper analyzes the necessity of a comprehensive and scientific security...

Energy consumption is critical to wireless sensor networks (WSNs), and cluster based protocols are energy efficient. Cluster heads (CHs) selection and clustering affect the network lifetime greatly. To prolong the network lifetime, a load balancing unequal clustering approach (LBUC) is proposed. LBUC...

In order to solve the user rating data about data sparseness and traditional similarity calculation method because of its disadvantages of strict match object attributes, the paper combined with the project classification and cloud computing platform is put forward an improved collaborative filtering...

Bulk strategic materials have important significance to the national economy and national defense. China as a major importer of bulk strategic materials, the accuracy of trade transfer is particularly important. This paper analyzes metering technology development status of bulk strategic materials, including...

Based on PWM(pulse-width-modulation) hydraulic position control of high-speed on/off valve ,in order to conquer uncertain parameter to disturb control system . Design a method of single variable H∞ controller in this article .By simulation and analyzing ,the H∞ controller was proved to be an effective...

Sparse coding has been successfully applied to many numerical object detection and classification problems in recent years. However, sparse coding has rather slow convergence rates on some optimization problems. In this article, an online framework for fast and classification of different vehicles logo...

The simulation and hardware realization of ground clutter in airborne radar are discussed in this paper. We use the statistical approach to model the clutter and utilize ZMNL method to achieve the simulation of coherent Weibull distribution sequences. This paper presents an efficient method of ground...

Based on interpreting Numerical Weather Prediction (NWP) products, using inverse distance weighting (IDW) method, the detailed human comfort degree forecast system is developed. The preliminary application shows better result.

In order to dynamically obtain the ecological loading status in the valley unit, based on the spatial-temporal database and valley ecological carrying capacity model, the information system for evaluation of valley ecological carrying capacity was developed with GIS, Oracle and C#. The software and hardware,...

Rapid development of mobile Internet induces the surge in demand of enterprise mobile application. In order to satisfy management requirements in such environment, a growing number of enterprises implement mobile ERP strategy. However, the access of mobile Internet and the extension of enterprise information...

Modern logistics is a huge and complex system and the flow of information is large. We must deal with the huge amounts of data accurately in time, and data mining technology is appropriate to solve it. We improved the typical association rule-Apriori algorithm which is often used in data mining technology...

This study focus on the effects of motions of vessel wall on the color flow mapping (CFM) images and whether the CFM images can truthfully reflect the behaviors of the vessel wall and blood flow. By coupling numerical Runge-Kutta and ultrasound simulation method, a model is proposed to generate CFM images,...

Understanding hemodynamic response function (HRF) is a key issue for exploring the underlying dynamics of nervous system activation. In this study, epilepsy discharges were adopted as markers of short stimuli, and then EEG-fMRI method was used to investigate HRF in absence epilepsy. Five patients with...

With the advent of big-data age, it is essential to organize, analyze, retrieve and protect the useful data or sensitive information in a fast and efficient way for customers from different industries and fields. Least squares support vector machine (LS-SVM) has an outstanding advantage of lower computational...

A comprehensive human auditory neural pathway spiking (HANPS) model from cochlea to inferior colliculus is proposed in this paper. It consists of medial superior olive (MSO) pathway for interaural time difference processing, lateral superior olive (LSO) pathway for interaural level difference processing,...

Interferogram filtering is one of the most important and widely studied problems in InSAS image processing. Traditional approaches, such as median filter, mean filter and Gaussian filter, can remove noise, but they also smooth the edges. This paper proposed a new interferogram filtering algorithm via...

With the continuous development of science and technology, information technology is facing the development of various fields. As the main carrier of the social and economic 1P technology and culture information, Library management provides the development space for computer technology and network technology....

In recent years, with the in-depth study of the Experimental Economics, an increasing number of game researches need to be done through the computer for online interactive and completing a series of operations such as data record, calculation and feedback. But a lot of experimental researches only under...

The simple linear iterative clustering (SLIC) method is a popular recently proposed superpixel algorithm for its simpleness and good performance for optical images. However, it may provide poor superpixels for polarimetric synthetic aperture radar (PolSAR) images because of the inherent speckle noise....