We numerically investigate the optical properties of the multilayer SERS structures. It includes the substrate layer, the adhesion layer and the composite layer which is consisting of the metallic nanoparticles embedding in the host metallic or dielectric layer. Under the quasi-static approximation,...

Aiming at the problems of the elderly patients who suffer from the medication process, such as forget to take the medicine, inadequate drug absorption, and the inconvenience of family members monitor, the control system of the intelligent auxiliary medicine taking device is designed in this paper. The...

In China, The sharing bikes have become the trend of the short-distance travel tools, especially in megacities. However, the study of shared bicycle literature is very scarce. This paper is going to use network externality theory and methods, so as to reveal the network externality of the new things....

Signalized intersection delay is an important evaluation index of the signalized intersection capacity and level of service. This paper presents a signalized intersection delay model for signalized intersection. The model uses time series and queuing theory. It discusses the operation characteristics...

Based on the results of simulation, operating characteristics of XV-15 tilt rotor aircraft were qualitative analyzed, and when to fade out the rotor control was determined, and also the conversion corridor was determined. Inside the conversion corridor, a conversion route that had the least trimmed pitch...

This paper introduces a design scheme of adjustable digital controlled three-phase power supply based on single chip microcomputer. It takes FPGA and single chip microcomputer as the main control core, using DDS technology to realize the occurrence of the waveform and control, which increases the intuitive...

Boost converter circuit model is built by Simulink, through the analysis of the boost switch converter working conditions and parameters of frequency are adjusted, boost switching converter output characteristic changing with frequency and typical working condition corresponding parameter selection of...

In this paper, under the condition of lack of information, aiming at the quality reliability model of rolling bearing, an experimental study was carried out. The vibration acceleration of 30204 taper bearings was simulated to study by computer. Simulation results showed that it was feasible to study...

Using the stereomicroscope and scanning electron microscope, the mosquito mouthpart was observed. The surface morphology of its six mouth needles shows that theÿupper jaw and lower jaw in mosquito mouthpart, which present typical non-smooth surface morphology, play a role in piercing skins and they are...

Fe3O4 magnetic nanoparticles (MNPs) were synthesized by a co-precipitation method using the solution of ferrous/ferric mixed salt, and then an alkali solution is dropped into the mixed metal solution. With the seed mediated growth method, Ag nanorods were also obtained. SERS-active substrate composed...

Bird-trouble of Electrical power system has accounted for the third largest reason for transmissionÿlineÿfault. So it brings a huge influence on people's normal production and living. The paper researches and summarizes present bird-trouble of electrical power system and the existing methods of bird...

Considering shortcomings of existing attitude control platforms, a new directly driven tandem attitude control platform that can bear certain acting force and make accurate and steady operations was designed in this paper. A coordinate system was established by simplifying its structure and its kinematical...

Consumer decision-making is a hot research issue in microeconomics. However, the study of social software's consumer decision literature is very scarce. This paper is going to use two - stage consumption decision model, so as to reveal the decision - making of the social software. We divide the consumption...

Through the rotor machine balancing linearization, the nonlinear model of this paper on the basis of the linear model, through the simulation analysis model of dynamic coupling and coupling operation, through the characteristic root configuration method for inner loop decoupling control, realize the...

The paper proposes an improved gradient algorithm which is based on the existing sobel edge detection. The algorithm is not only simple, but also can solve the coordination problem between the detection precision and anti-noise performance. Experimental results prove that using the modified gradient...

In order to reduce the total harmonic distortion of grid-connected inverter, according to the working principle of three-phase inverter, establish the mathematical model in the three-phase static coordinate system, study the SVPWM modulation technology used in three-phase inverter. Provide the inductance...

Rolling bearing is an important connection basic part of mechanical, and its quality is very important. This paper puts forward the concept of the research on quality reliability of rolling bearing, introduces the weight calculation method of the various factors, and creates the rolling bearing quality...

Several kinds of painless biomimetic needle structures with high drag reduction effect was obtained by means of experimental optimization design. The changes of heart rate and blood pressure as the index of pain sensitivity were selected. The experimental study on the biological function of bionic needles...

Ginseng industry has developed rapidly in recent years, but the process of its collection, especially the cutting of its must costs great manpower. It has greatly influenced the development of ginseng industry. The principle of the ginseng root cutting is by comparing its diameter to that of a certain...

since the combat training, especially the damage control simulation training equipment put into use, the forces of damage control to improve training level had the very big margin, but some still exist in the training from actual combat environment requires a gap problem, this paper respectively from...

With the economic development and urbanization, the number of motor vehicles increased rapidly, because the contradictions between urban traffic supply and demand imbalances are becoming increasingly acute. We used the cell transmission model (CTM) to optimize on the basis of a single intersection by...

This paper first introduces this topic in the nonlinear simulation controller constructed by the nonlinear simulation platform;Then respectively for conventional controller technology based on IID and UDE the sliding mode controller and the controller based on nonlinear simulation environment, this topic...

Naval electronic warfare training mode of warship electronic warfare training towards scientific, standardized and institutionalized development plays a guiding role. Based on the analysis of warship electronic warfare training facing the problems, difficulties, and needs on the basis of, for the construction...

As the first of the five economic tasks, it is obvious that the current situation of excessive industrial capacity cutting is serious. As the precursory industry under the excessive industrial capacity cutting, iron and steel industry attaches great importance of central government. In order to further...

In the large water trawler system work process, trawlers are influenced by the marine environment, can produce large movement, which seriously affect the drag efficiency. This study is based on a wave passive compensation device, establish its mathematical model for the simulation analysis, design the...

In order to keep sustainable development, water and soil conservation engineering is essential. Since the reform and opening-up, China has developed in various aspects, while water and soil conservation engineering is no exception. However, it's development is valued comparing to the history. There is...

The mobile robot system can actually be applied to some of the places reconnaissance and monitoring, and the use of wireless networks, making the operating system more flexible, so that movement of the machine by monitoring and investigation without the shackles of cable. In this paper, we present the...

An experiment of 3 groups was set up to cool the tent in summer. Compared with the ordinary tent, the researchers erected two kinds of screen, which is made of shading-net, on the top of tents. The results show that in the sunny summer of Tianjin, the shading-technology can cool down the tent temperature...

According to the biological non smooth theory, the design of non smooth surface morphology, mechanical and laser processing method, the formation of similar organisms form non smooth surface on the surface of 45 steel; wear test, laser machining and smooth specimen samples and samples in the bionic micro...

Since the beginning of 2016, under the overcapacity background of the iron and steel industry, the steel prices has increased sharply in the domestic and risen more than 50% in less than half a year. This article first discusses the phenomenon and the reasons for rising in prices and analyzes the adverse...

In order to study the nonlinear dynamic response of the offshore container crane under sea wave, the virtual prototype model of the offshore container crane is established. Firstly, the 3D geometry model of offshore container crane is built in SOLIDWORKS. Then the model is introduced to ADAMS, and defines...

The blind guiding robot is a problem that solve blind users navigate safely. The scheme adopts the four-wheels vehicles as the main body of the robot, it detects the environment information by the STM32 embedded systems, the many kinds of sensors, and fusion technology was used with different location...

There are often some problems, such as hot and humid air, crowded air, on the indoor environment of tents. Based on the above problems, the writer makes a thorough investigation on the use of the tents for the people. The result indicates that the camping tent is far lower than fixed barracks on various...

Research and application of various surface treatment technologies in increasing the wear performance of aluminum alloy engine parts are introduced. These technologies include plasma spraying, plasma arc welding, plasma scanning, plasma electrolyzing, electroplating,physical vapour deposition and laser...

This paper proposes a novel digital sight by dynamic modifying external ballistic parameters based on embedded Linux system. The external real-time ballistic parameters will be achieved by laser sensor and high-speed image sensor with high-speed Processor platform. With the combination of real-time modification...

This paper proposes a balanced structure model of electric platform based on 3-DOF parallel mechanism. Compared with the traditional hydraulic structure platform, the proposed electric platform consists of three independent electric cylinders and their respective rigid strut links, each electric cylinder...

This paper proposes a novel ultrasonic detector of water pollution based on WSN. The proposed vector difference algorithm on one time period can precisely calculate the velocity and height of drainage water pollution. The captured data with the detector will be transmitted to the server by WSN. Compared...

The condenser of freeze-dryer is used to capture the water vapor from the drying chamber. A common problem of the condenser is that the frost is non-uniform and prone to "ice plugs". This paper studies the condenser of large food freeze-drying equipment, the structure of the condenser shell is changed...

Mechanical coupling is one of the key factors that cause scanning probe mechanical error. Minimizing or eliminating the mechanical coupling error can Optimize structural design of the probe. A three-dimensional scanning probe is designed with three-brach flexibility parallel mechanism, whose guiding...

Parts of fixture design directly affects the processing quality of parts, especially the torque overload protector parts processing. In this paper, through the design of the function-feature-structure model, based on CAD/CAE common software, through Solid Works three-dimensional modeling software to...

The transmission power in wireless charging for electric vehicles is unstable due to the decline of the coupling coefficient caused by the misalignment of the electromagnetic coupler. Considering misalignment tolerance and coupling coefficient, the paper designed a kind of asymmetric electromagnetic...

Game equilibrium based on mathematical logic can not predict the real game outcome. In order to solve the problem, a fresh game theory based on emotion is suggested by adding emotion mechanism into mathematical logic. The principle is applied to the game analysis of Coercive bargain between Two Humanoid...

In order to improve the bearing capacity and precision of cycloid gear transmission, the tooth profile of the left and right cycloid gears is taken as the theoretical cycloid tooth shape according to the principle of forming processing. By the combination of positive equidistance and positive offset,...

The grits in the surface of grinding wheel is usually high-speed curve movement in the grinding process. It constructs the test system that a single diamond grit scratching the surface of 20CrMnTi steel under the high-speed curve movement. The research shows that there are obvious plastic bulge on both...

The research can achieve multi-objective fuzzy and multi constraint optimum design of epicyclic gear train which has large transmission ratio, high power, high efficiency and simple structure, compact epicyclic gear train with multi-objective fuzzy optimum method. Based on analyzing of structure types...

With the object to reuse the design data and method of the aviation standard parts, the method to develop the knowledge parts library of aeronautical standard parts which can be expanded dynamically and seamless integrated with CATIA is researched with the MBD and parametric technology. Based on the...

The dilemma of tool design and manufacturing in China is analyzed, and a new way of coping strategy is put forward. By introducing MBD technology into tool modeling, the expression frame of MBD data set in tool modeling is expounded, and the concept of parameterization is introduced in the new MBD model...

The reliability allocation of machinery system is studied on. The basic principle and criterion of reliability allocation are expounded in detail. The mathematical model of reliability allocation of machinery system is established according to distribution method of failure rate prediction. The reasonable...

In view of the difficulty of cathode modification, this paper proposes a new method based on the theory of equilibrium gap and cathode modification. Firstly, the mathematical model of cathode modification of face gear is established and different normal vectors of cathode surface are selected. Then in...

The present situation of the parametric design technique based on constraint, the thought mechanism and advantages and disadvantages of various parametric methods are summarized. Parametric design is to reduce the standard parts of the entire development cycle, to facilitate the management of standard...

In this paper, facing the problem of tool selection in the machining process, an evaluation model of machining capacity of milling cutter, which is based on the method of relational algebra, is established. First, affecting processing capability factors are integrated by modeling. Second, these factors...

Along with the social employment pressure increasing, more and more college students choose business. Government and schools support entrepreneurship for college students more and more. In such form, college students Pioneer Park became the state that supports the best platform for carving. However,...

Based on web, an integrated Magnetic alloys database system has been constructed, by adopting three-tier architecture such as B/S and using advanced technologies such as JSP and SQL. The system has several advantages such as friendly interface, simplicity, easy to use and understand, functional integrity...

Full hydraulic drilling jumbo plays extremely important role in tunnel construction. Drilling jumbo works in harsh environment, and the fatigue damages of advancing beam parts are easily produced. Therefore, it is necessary to analyze and study on the loading condition of the advancing beam. In this...

Therefore, the development of new die design and manufacturing technology is imperative. Light curing rapid prototyping technology is the earliest developed in rapid prototyping manufacturing technology. The technology has great prospects for the manufacture of irregular complex parts. In this paper,...

In order to monitor and control the indoor harmful gas content and indoor air quality timely and accurately, an indoor environment monitoring system was studied and designed by Zigbee wireless communication technology and GSM technology. The content of formaldehyde, gas and natural gas can be monitored...