Methods used for the determination of barium content in pyrotechnics are mostly based on traditional chemical method, which is lengthy and cumbersome. If inductively coupled plasma emission spectrometry or atomic absorption spectrometry are used to determine the barium with high content, the sample solution...

Methods used for the determination of barium content in barium carbonate are mostly based on traditional chemical method, which is lengthy and cumbersome. If inductively coupled plasma emission spectrometry or atomic absorption spectrometry are used to determine the barium with high content, the sample...

Methods used for the determination of strontium content in strontium carbonate are mostly based on traditional chemical method, which is lengthy and cumbersome. If inductively coupled plasma emission spectrometry or atomic absorption spectrometry are used to determine the strontium with high content,...

With the development of the times and social progress, 3D printing technology of our country gradually began to rise, is a kind of rapid prototyping technology in the present stage of our country, has gradually entered people's life, aroused people's interest and attention, and has been in a number of...

In this paper, a numerical model simulating the lanceâ€"blowpipeâ€"tuyereâ€"raceway of a blast furnace has been developed. The coal flow and combustion along the coal plume are studied. The effect of the lance tip area and position on coal combustion is investigated.. The simulation results indicate...

The complex prospects in pedestrian detection, such as backpacks and other obstacles, are likely to cause interference to pedestrians. Since previous pedestrian detection can only use separate gradient information, the color information is neglected, and the gradient direction information is not accurate...

M-ary spread spectrum telemetry is employed to overcome the constraints imposed by spreading factor in data rate. In this paper, M-ary spread spectrum code division multiple access (CDMA) underwater acoustic (UWA) communication is proposed to improve data rate of conventional CDMA, and the data rate...

In the paper, the surface uniform porous silicon thin film material was prepared by using the pulse electrochemical etching method under orthogonal parameters. Analysis of Surface Morphology of Porous Silicon under Atomic Force Microscopy, the optimum preparation conditions were obtained with good optical...

Neuropathy includes central and peripheral neuropathy, the pathogenesis of the disease varied, involving macrovascular and microvascular disease, metabolic factors, autoimmune mechanisms and the lack of certain growth factors in the body, In recent years, the researchers found that the level of various...

According to the semiconductor refrigeration chip operating characteristic curve, it can be seen that the maximum cooling capacity and the maximum cooling efficiency corresponding to the working current is inconsistent and the current semiconductor refrigeration systems are a constant current and work,...

Cervical cancer is one of the most common malignant tumors of the gynecological department. In recent years, there has been a tendency to report the incidence of cervical cancer at home and abroad. The incidence of cervical cancer under 35 years of age is increasing, which seriously endangers women's...

The principles on jamming the recording device using the mobile communication GSM signals are analyzed. An idea is proposed to interfere the recording device through microwave radiation. The operating principles and defects of the recording device are discussed. The curve describing the variation in...

Mobile learning based on cellphone has become more and more popular among modern learners. Serious games not only create rich learning environments for learners, but also stimulate learners' interest in learning. This paper presents the design strategies of mobile serious games, including character design...

Step counting function can be implemented according to the acceleration data collected by appropriate algorithm. Based on the features analysis of intelligent mobile phone sensor, the paper describes the design principle of the algorithm of counting steps, and gives the implementation methods of data...

Augmented reality technology is to integrate computer-generated three-dimensional virtual objects seamlessly with objects in real situations, thus providing a complementary and visual enhancement to the real world. In this paper, we set up a set of transformer evaluation index based on augmented reality....

With the development of social economy in recent years, the consumption of energy is increasing day by day. And with the increasingly scarce resources of the earth, the rising cost of basic energy investment has led to various security and pollution risks. The wind and solar energy of the earth have...

With the development of mobile internet and the expansion of human interaction and communication requirements, mobile social networks are beginning to influence people's lives. Social networks have been widely used, but the problem of trust has always been the bottleneck that restricts the further development...

The information technology is spring up and never stop, meanwhile the empirical studies on the acceptance of information technology also have developed vigorously, so that the theoretical and empirical studies on technology acceptance model (TAM) have become the hot topic among the scholars at home and...

Accurate traffic information collection and identification is a basic work for the intelligent vehicle autonomous driving, is the important premise to decide whether it stable high-speed vehicles. Road recognition technology and digital image processing techniques play a very important role. On the one...

The library is the main source of people to acquire knowledge and information, the library's main mission is to serve the readers wholeheartedly. With the rapid development of information technology and network technology, brought new challenges to the library service. In order to improve the service...

In the modern network environment, library management information system needs to be turned its focus to the development and utilization of information resources. The Internet can help readers’ online library and the demand of the subscription, but function to meet these requirements at the same time,...

Peony is one of the traditional famous flowers in China, as the king of flowers, there are "very beautiful" "flower in the king" said. Peony and the kinds of peony diseases are introduced in this paper, the present situation of the prevention and control technology and the problems existing in the current...

The revolution in social production technology in Internet era has brought increasingly important influence. This paper analyzes the automatic discovery and topology rendering of network device, which are important target technology in the current and future network device development and application...

In the network environment, the significance of log monitoring lies in collecting resources and maintaining network security. This paper enumerates the log types in the network environment. Based on the illustration of flume structure, the design and implementation of log monitoring technology based...

To study all kinds of elementary reactions at the level of gasoline hydrocarbon molecules has always been a core content of basic combustion research, but for a long time, studies often focus on the physical process in cylinder and don’t go deep into chemical details about the molecular structure and...

Methods used for the determination of copper content in copper sulfate are mostly based on traditional chemical method, which is lengthy and cumbersome. If inductively coupled plasma emission spectrometry or atomic absorption spectrometry are used to determine the copper with high content, the sample...

Methods used for the determination of iron content in pyrotechnics are mostly based on traditional chemical method, which is lengthy and cumbersome. If inductively coupled plasma emission spectrometry or atomic absorption spectrometry are used to determine the iron with high content, the sample solution...

Methods used for the determination of iron content in iron powder are mostly based on traditional chemical method, which is lengthy and cumbersome. If inductively coupled plasma emission spectrometry or atomic absorption spectrometry are used to determine the iron with high content, the sample solution...

Methods used for the determination of iron content in iron oxide are mostly based on traditional chemical method, which is lengthy and cumbersome. If inductively coupled plasma emission spectrometry or atomic absorption spectrometry are used to determine the iron with high content, the sample solution...

Methods used for the determination of chromium content in pyrotechnics are mostly based on traditional chemical method, which is lengthy and cumbersome. If inductively coupled plasma emission spectrometry or atomic absorption spectrometry are used to determine the chromium with high content, the sample...

Methods used for the determination of chromium content in potassium dichromate are mostly based on traditional chemical method, which is lengthy and cumbersome. If inductively coupled plasma emission spectrometry or atomic absorption spectrometry are used to determine the chromium with high content,...

Methods used for the determination of chromium content in potassium chromate are mostly based on traditional chemical method, which is lengthy and cumbersome. If inductively coupled plasma emission spectrometry or atomic absorption spectrometry are used to determine the chromium with high content, the...

A scheme based on penstock of construction of computer information security and network attack and defense experimental teaching platform is proposed. Meanwhile it is presented that its hardware topology architecture system technology architecture and the processes of platform management the technological...

For the present time being, tourist industry is thriving on fire and compute application software has been more and more widely used in tourist trade. However ,there is not yet such an application software as to offer advice to tourists, employees of travel agencies and senior managers. For that purpose,...

In recent years, with the rapid development of China's economy and the acceleration of urbanization, the construction industry has also developed rapidly. With the improvement of people's living standard, people have higher and better requirements for their living environment. As a result, people have...

With the rapid development of computer technology and internet, streaming media technology is widely used in video broadcast, video on demand, distance education and other fields. But the traditional C/S architecture service model is often in the case of massive users easily lead to bandwidth bottlenecks...

The global features of character image design determines that all the design elements should be grasped, thereinto, as an important part of the design, costume color choice has the key effect and core value, and directly affects the overall effect of character image design, therefore, it is of vital...

Earthquake early warning system is a new means to effectively reduce the earthquake disaster. There are many countries and territories in the world have developed a number of specific facilities, a single city or even larger areas of the earthquake early warning system, and some earthquake warning system...

We build a elaborate model for finding the best all time coach or coaches in a more subjective and equitable way.We put emphasis on the establishment of three-level metrics,influence of time line horizon,selection of assessment method and application of all sports.Considering the universality of the...

The rapid growth of population and energy consumption has led to a series of problems, such as energy shortage, environmental pollution and ecological deterioration. Making full use of renewable energy and achieving sustainable economic development has become the consensus of all countries in the world....

Many marine bays have been polluted by various pollutants including Cr, and therefore understanding the migration rules and theories is essential to pollution control and environmental remediation. Jiaozhou Bay is a semi-closed bay located in Shandong Province, China. Based on the research on the distributions,...

Mobile user identity is an important part of mobile Internet security research. In this paper, it introduces the development status of user identification and authentication technology in "Internet +" era, and briefly describes their implementation plan and evolution trend. the security problem of each...

With the development of integrated circuits, the power consumption becomes a key problem in the design of integrated circuits. Reducing the operating voltage is an effective way to reduce power consumption. But the chip working voltage is reduced, brings more challenges to the chip design, which is mainly...

In the physical design of integrated circuits, the traditional clock tree synthesis is difficult to meet the timing convergence requirements at high frequency. This paper takes a data processing chip design based on TSMC 65nm 1P8M process as an example, proposes a clock tree synthesis method combining...

With the increasing outstanding of network security situation, the intelligent network security situation awareness system has been an important weapon in cyberspace battle field, its research and development are also being a matter of great urgency. How to improve accurate rate of situation awareness...

To build the network music big data platform, We need to collect a lot of music resources from the Internet, And store it on big data platforms. Therefore, it is a key problem to build a storage system that is high performance, scalable and capable of supporting big data. The network music data is very...

In recent years, along with the development of technologies for distributed computing such as big data and clouds workflow systems, efficiency of workflow scheduling has become very impotent. Hence scheduling of multiple DAGs sharing on heterogeneous distributed resources has attracted intensive attention...

Network topology layout is one of the key technologies in the research of network topology structure. How to make the node overlap less and distribute evenly in the layout is an important and key problem in the research of network topological structure. Establishment of network topology generation algorithm...

With the continuous evolution of network technology, Software Defined Network (SDN) has become technical trends to solve the existing network problems. SDN is a new architecture of network. It decouples data plane and control plane, and simplifies network management. The same time, its vulnerability...

Nowadays, smart phones have converted the people's life style; convenience of the application has a big impact on all aspects of necessities. Considering that applications need to keep sensitive and private data, the trustworthiness of the application becomes a matter of concern to end users, and privacy...

A simple, cost-efficient, energy-saving, electrochemical process is developed to synthesize the biomedical Ti-based metal-containing Group VB (V, Nb, Ta) implant materials in the small size at 900 ºC. The anhydrous CaCl2 and solid oxides were used as the salt melt medium and raw reactants, respectively....

In this paper, a class of coupled van der Pol oscillators with time delays is investigated. By means of Chafee’s criterion, some sufficient conditions to guarantee the existence of oscillatory solutions for the model are obtained. Computer simulations are provided to demonstrate the proposed result

The effect of the cement amount, water cement ratio and sand ratio on compressive strength of C100 concrete was studied. The results show that the compressive strength of C100 concrete can reach 110MPa with the cement amount 600kg/m3, sand ratio 40% and water cementitious ratio 0.25.

For multi-target tracking and warning, cloud computing provides virtualization physical resource of cloud services, according to a single target exists in the process of drawing the boundary of the vertex and inconsistent problem, the service bus ESB using SmartGWT technology, automatic find infrastructure...

Sedimentation and accumulation are important migration processes of pollutants in marine bay, and the quantification of these processes are essential to pollution control. Jiaozhou Bay is a semi-closed bay located in Shandong Province, China. Based on investigation data on Cr during 1979-1983, this paper...

Deformation of the outer plate of the car side is very complicated in the forming process. It is difficult to grasp the deformation law and more quality problems. Based on the on-the-spot debugging, the mechanism of the wrinkling problem in the drawing process is analyzed by introducing the forming process...

With the rapid development of science and technology, manipulators are becoming more and more widely used in various industries. When using the manipulator to achieve various trajectories, it is necessary to calculate the coordinates of the key track points, especially the circular trajectory. For many...

In order to meet the needs of intelligent products, the system of remote controlled intelligent flowerpot is designed. For the sake of no person caring of flowerpot long time, the flowerpot system is controlled by a GSM-SM modem. Experiments show that this remote controlled intelligent flowerpot system...

For lathe designing, it needs strict calculation and analysis of the major components. The dynamic stiffness of the structure is studied in order to resist deformation under dynamic load, the structure of the dynamic stiffness is improved to enhance the anti-vibration capability of the body. Then the...

With the development of the industry, the requirement of CNC lathe increase very much. To design a lathe, it needs analysis and calculation of the major components, and dynamic performance of the lathe spindle is very important for the performance and accuracy of the lathe. First, modeling of spindle...

To realize the urban afforestation construction, it weights a lot to highlight the landscape construction and build the Eco-City. The emergency of new technics has brought new progress into Chinese afforestation construction and shaped a unique landscape construction technology whose combination with...

Whenever a chemical toxic agent attacks, there needs an accurate inspection to send alarm signals for the crew and protection equipment. Given the detection rate of single toxic agent warner is easier affected by the surroundings, the author has conducted a fusion algorithms on the principles of Bayes...

Smooth Support Vector Regression (SSVR) is new modified edition of traditional support vector regression for better performance. To further improve the modeling capability of SSVR, it is necessary to take into account the feature extraction based on Independent Component Analysis (ICA) before SSVR. Simulation...

To improve the nonlinear modeling capability of RBF neural network, an Artificial Fish Swarm Algorithm (AFSA) training algorithm with an adaptive mechanism is proposed. In the training algorithm, the search step size and visible domain of AFSA algorithm can be adjusted dynamically according to the convergence...

dynamics method is performed to investigate the force behavior between semi-spherical indenter and single crystal substrate based on eam and morse potentials and verlet algorithm. Effects of different temperature on the contact force, friction force, and normal force are compared, the resistance of substrate...

An improved bat algorithm is proposed for solving the job shop scheduling problem．Firstly, introduce the characteristic of job shop scheduling problem, Then, we use the advantage of chaos method and combine the simulated annealing algorithm to improve the bat algorithm, and the end, We do a lot of...

Boron diffusion is a conventional process in N-type silicon solar cells fabrication. The boron-rich layer (BRL) usually formed on the surface of silicon wafer in boron diffusion process, and the effective carrier lifetime can be sharply reduced by the BRL. In this paper, three methods were used to remove...

With the development of social science and technology, people's awareness of the safety of life gradually high, face recognition technology has entered people's lives .This paper designs a face recognition system based on the depth residual network.This system is implemented in both PC and Android. the...

With the unceasing thorough development of reform and open policy and rapid development of economic construction, high-rise buildings, petrochemical industry and public places grow with each passing day. The urban development increasingly diversified and complicated, and the factors for causing a fire...

With the rapid development of Internet finance and its applications, online banking fraud is becoming increasingly frequent. How to accurately identify the fraud data among the huge amount of transactions, is the urgent needs of Third Party Payment Center, Channel Department and other departments of...

This article provides the design of multi-stage radio frequency power amplifiers which adopt transistors made of semiconductor materials of the third generation on the basis of taking into consideration criterions referring to efficiency, bandwidth and linearity. The first step is to conduct an experimental...

In this paper, the reliability theory of engineering structure based on a city landscape bridge (multi span prestressed concrete V-shaped pier continuous beam bridge) as engineering background, key section of main girder and V-shaped pier of continuous girder bridge of prestressed concrete V-shaped pier...

In order to further study the process of flue gas desulfurization by citrate process, A numerical model for the removal of SO2 from packed absorption tower is established by using chemical process simulation software Aspen Plus, The influence of operation parameters on desulfurization efficiency was...

Circumferential point method has been adopted in this paper for calibration. Binocular vision dynamic tracking technique is used to track the independent motion axis of each joint of the robot, and then construct and fit the axis of joint to attain kinematic model parameters. This method does not need...

Cu pollution in marine bay has been one of the environmental issues in the world, and understanding the transporting process of Cu is essential to environmental protection. This paper analyzed the horizontal distributions of Cu in bottom waters in Jiaozhou Bay, and identified the high settling regions...

Methods used for the determination of strontium content in pyrotechnics are mostly based on traditional chemical method, which is lengthy and cumbersome. If inductively coupled plasma emission spectrometry or atomic absorption spectrometry are used to determine the strontium with high content, the sample...

With the energy crisis approaching, new energy has become one of the major energy sources in the world, and the Wind/PV Hybrid System have came into being. Wind power generation and solar cell array power generation are commonly referred to as Wind/PV Hybrid Lighting Systems, and their role is to solve...

With the development of mobile internet technology and the popularity of smart mobile terminals, mobile social network has become an increasingly social revolution. Mobile social networks not only provide users with more personalized services, but also bring privacy leaks. This paper analyzes the main...

At present, with the development of economy, people's standard of living is becoming more and more high, every family on the number of vehicles is also becoming more and more, it has created the problem of parking space nervous, and parking difficult to have such a situation in our country, not just...

Control from the balance of the car is relatively complex, which can be divided into balance, speed and direction of the three control, the balance control in the main, the control is similar to the inverted pendulum, to study its stress, construct its transfer function. MPU6050 is used to measure its...

In order to accurately control the wind plate, an experimental platform is built, each about two axial flow fan, PWM wave, wind control plate rotating around a fixed axis, with a high precision angular displacement sensor to measure the rotation angle of 0.1 degrees, high precision. The closed loop system...

Laser radar is a radar system that uses laser as light source and works in the optical band. It is the product of the combination of laser technology and radar technology. It has the advantages of all-weather, high precision, anti-interference and miniaturization. Aiming at the great potential of laser...

System in package（ SIP） is characterized by any combination of more than one active electronic component of different functionality plus optionally passives and other devices assembled preferred into a single standard package that provides multiple functions associated with a system .this paper introduces...

A x-band SPDT switch is presented in this paper. This switch has been realized by 0.5um GaAs process.it exhibits high performance: over DC~10.6GHz, insertion loss is lower than -1.7dB; the ripple variation of insertion loss is less than ±0.3dB; The isolation is lower than -50dB; input return loss is...