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A type of soldering machine based on PIC-controlling is introduced in this paper, the high speed micro-controller unit (MCU) with kernel of 16F84A is adopted in PIC. The data is send to lower computer to control three axis motions by computer serial port, the process of automatic soldering is realized....

DXF format file is a standard format of the ASCII text file, the CAD graphic data is saved accurately. A method of NC program is proposed based on DXF file in this paper, the valid data is extracted from AutoCAD DXF document in the graphics file (including straight line, circle, circular, elliptic arc,...

China's corn straw resources are very rich, the development of corn straw application technology industry has become a hot spot. In this paper, the present situation of comprehensive utilization of corn straw in China is summarized, including the utilization of corn straw as fertilizer, feed, raw material,...

Volatiles, sulfur, nitrogen and other impurity atoms have released in the process of bituminous coal retorting and high-quality Lantan can be obtained. In order to investigate the feasibility of Lantan to combustion as a clean fuel instead of raw coal, this paper selects several representative coals...

Satellite communication networks would become one of the most prevalent communication system for the increasing demand for high-speed multimedia services and the underutilization of scarce satellite spectral resource. Considering resource optimization under multi-priority services and various link states...

In this paper, steel slag powder, slag powder and fly ash mixed with different proportions, equivalent replacement of cement, as concrete admixture, study the effect of the admixture on the performance and mechanical properties of concrete, and through the XRD, SEM, differential thermal and other micro...

The compatibility, stability and the pyrolysis behavior of aluminum based solid-liquid compound fuel were systematically investigated by thermogravimetric analysis (TGA). The compound fuel lost its 30% weight before the temperature rose to 150 . AP decomposed at 210 and lead to 50% weight loss. The reaction...

Networking radar can make full use of resources and due to the advantages of single radar, making the detection, localization, tracking, identification, and other aspects of the threat of judgment performance has been greatly improved. With the gradual improvement of the Beidou system, powerful communication...

The digital management of shipping business information is an inevitable trend.Compared with traditional management mode, it’s more convenient, efficient and traceable. The maintenance management platform based on Cloud Computing manage the business information, providing platform service for other systems...

A novel Dual-Base Transistor (DUBAT) having a negative-resistance characteristic is presented. This device contains a lateral p-n-p Bipolar-Junction-Transistor (BJT) and a Hybrid-Mode Transistor, and is fabricated on silicon based 0.5 m CMOS process, compatible with the standard CMOS technology as distinct...

The key research of this paper is the algorithm that using pyramids to divide the arbitrary polyhedron. The core idea of this algorithm is as follows. Store the vertices of the outer boundary surfaces of the polyhedron anticlockwise, and store the vertices of the inner boundary surfaces clockwise. When...

The application of the Internet of Things, cloud computing, big data, mobile Internet and other modern information technologies in the transformation and upgrading of the whole industrial chain of agriculture is of great significance to accelerate the development of agricultural information and modernization....

Supply Chain Partnership means a strategic relationship which is reached a long-term cooperation agreement between upstream and downstream entities in the same supply chain. Establishing a good supply chain partnership help to reduce the cost, shorten the reaction time and create the new market value...

For reducing the injuries of pedestrians when the collision accidents between pedestrian and vehicle occur, the design of car front structure has been proposed based on pedestrian protection, the design scheme includes a mechanical cushion structure of car bumper and a mechanical bounce device of hood...

The ideal design of the bumper should take full advantage of the bumper plastic deformation to absorb most crash energy in automobile collisions. In the paper, the bumpers with different inner structure (circular cross section form and honeycomb cross section), different materials (Al alloy, structural...

Based on factor analysis, this paper study on the current product competitive factors in agricultural B2C platform. By analyzing the data that is the sales of commodities, price, number of popular, shop credit rating, and evaluation of commodity, and explore the factors of commodity competitiveness,...

In recent years, a new technology, container, has been developed rapidly. More and more services are deployed on a container. In order to ensure the high performance and high availability of these services, a system which can provide the technology of high availability is essential. Container, as we...

One of the keys to precise position of using double difference carrier phase measure is to resolve integer ambiguity. Least-square ambiguity decorrelation adjustment(LAMBDA) is relatively fast and precise in integer ambiguity resolution of double difference carrier phase measurement. The LAMBDA consist...

In this paper,Aiming at the weakness that the commonly used traditional PID controller can not obtain good anti-interference ability and set value following performance, a two degree of freedom model driven PID controller (MD-TDOF-PID) based on Labview is designed. Proportional derivative compensator...

In order to make the transformer insulation aging assessment and life prediction more reasonable, we established transformer evaluation model based on the operating load, environmental factors, the electrical characteristics of the experiment and oil chromatographic characteristics. Then we applied the...

Site error measurement of voltage transformer is important content of electric energy metering device administration, relating to accuracy of electric energy measurement and just trade settlement for power plant and power corporation. In this work, the error measurements of voltage transformer in different...

Under the background of big data recent studies have revealed that emerging modern machine learning techniques are advantageous to statistical models for credit risk evaluation, such as SVM. In this study, we discuss the applications of the evolution strategies based support vector machine with mixture...

Analysis of wind tunnel flow induced vibration characteristic is to understand the high-speed airflow caused mechanism of flow induced vibration, take appropriate to restrain vibration reducing body piercing vibration circuit. This paper introduces the characteristics of flow induced vibration source,...

The suppression ability of sea clutter suppression methods based on AR model, phase space reconstruction and are analyzed. The simulation analysis method of naval ship target detection performance based on sea clutter simulation data - sea clutter suppression method – simplified signal processing] model...

According to the integrated recognition problem of the object recognition in the X band ground-based multi-function radar, an object integrated recognition scheme based on GRG is presented. In this method, the multi-factor statistics and analysis method in the radar effectiveness evaluation. This method...

Accurate magnetostatic field computation for complex 3D ferromagnetic objects can be widely used to solve various engineering problems, while mesh quality is a key factor that can greatly affect the calculation precision. For complex shaped 3D objects, their mesh quality can be improved greatly by using...

At the end of the nineteenth century comes a generation of Naturalism writers whose ideas and consciousness focus on the workings of the universe and the society's disorders, and they also like to have the harsher insight into the reality, especially the distinctive rebelling traits on Sister Carrie...

The ownership structure is the basis of the development of companies, and performance measurement is critical for company to improve incomes. This study has empirically examined the relationship between the ownership structure and firm performance using a balanced panel of listed logistics companies...

Based on classic theories of soil compression and metallic jet penetration, this paper built a dynamic model of metallic jet penetration into soil, and verified its rationality through tests. The paper applied this model to the theoretical analysis of the process of metallic jet penetration into soil,...

In order to reduce the computational cost in the current MIMO-ISAR back projection imaging algorithm, a fast algorithm based on FFT is proposed for MIMO-ISAR back projection. First, we establish the reflected wave signal model for MIMO-ISAR imaging. The approximate representation of linear change of...

This paper discusses the problem of road network navigation under polygonal obstacle constraints from an implementation perspective. It implements the problem provided by the 4th ACM SIGSPATIAL GIS Cup 2015 challenge. In the context, it briefly examines some fundamental graph search algorithms and then...

Through the statistic analysis of the accident data of Heilongjiang freeway from 2010 to 2014, it is concluded the regularities of distribution of the accidents on the Heilongjiang freeway, as well as the factors influencing the security of Heilongjiang freeway system. Then, the evaluation index of Heilongjiang...

The rapid development of science and technology provides reliable protection for the expansion of electronic engineering applications, and gradually improves the production efficiency of related industries. With the influence of this situation, in order to meet the people's demand for electronic engineering,...

The quality of flight performance directly determines the execution of flight tasks. For the establishment of a simple and effective methods and calculation of maneuver performance, a lot of work were completed. By the principle, method and steps of calculation maneuvering the aircraft flight performance...

A new copper(I) complex, [Cu( Flu-imPhen)(POP)]PF6, where -Flu-imPhen = 1-(9H-fluoren-2-yl)-1H-imidazo[4,5-f][1,10]phenanthroline , POP=bis(2-diphenylphosphanyl)ether, was synthesized and characterized. The corresponding photophysical properties were investigated using UV-vis and emission spectrometry....

With the rapid development of mobile Internet technologies, mobile learning has become a new way of learning, which is playing an increasingly important role in classroom teaching and autonomous inquiry learning. EBook realizes the perfect combination of traditional learning resources and mobile learning,...

With the rapid development of information technology, great changes have taken place in people's reading habits, and paper books are being replaced by eBooks. Digital annotation tool allows readers to highlight or insert notes into eBooks during the process of reading, which is an important way for readers...

The generation of solar power are known to be seriously influenced by many factors, such as temperature, humidity, et al. These factors cause the fluctuations of solar power system. This paper considers those fluctuations of different terms by using actual historical data and the different distribution...

For the current teaching of mechanical principle course, there is a lack of a set of applicative software which is helpful to carry out the design and optimization of mechanical products. To solve this problem, according to the actual requirements of mechanism analysis and project design during teaching,...

The proto-porcelain pot with two lugs of the Western Han Dynasty was excavated in 1963 at Che jiabao of north suburb of Xi' An City, and which is collected in Shanxi History Museum. The pot with two lugs is proto-porcelain, and which has the transitional characteristics from pottery to porcelain. There...

School-enterprise cooperation is the basis of the reform and development of animation major in high vocational colleges, and production and education integration is an important guarantee to improve the quality of education.Animation major in high vocational colleges should hold the great standard of...

Richard Stuart Linklateris an American independent film director and scenarist. It takes almost 12 years for him to make a feature film called Boyhood, which mainly talks about a little boy Mason's growth experiences from 6 to 18 years old. Throughout the film, American parents' educational methods to...

This paper used urban data as analysis object. The author collected data from 2003-2013, 288 cities in our country as the research foundation, using cross-section data regression of econometric model. This paper explored the correlation between financial development and economic, expounded the action...

As an important industry in the national economy, real estate plays an extremely important role in China's economic development. The health status of a city's real estate development plays a vital role in this city's construction. However, judging whether the development of the real estate industry is...

Based on the frontier design theory, this paper deeply analyzes the formal beauty, decorative beauty and artistic conception beauty of Chinese character font design, and the design principles and techniques are studied. Combined with related theories, the author explains the creative thinking, cultural...

The construction of tourism industry clusters is characterized by strong spatial agglomeration, large resource intensity and strong correlation. It is an inevitable trend of regional tourism industry innovation, internal cooperation, brand building and environmental governance of tourism destinations....

To enhance the effect of classroom teaching and improve the teaching methods, three dimensional design technology is reformed from the following aspects: teaching method, teaching mode and assessment system. Through the application of multimedia assisted teaching, network teaching, discussion teaching...

Opening, sharing and efficiently managing scientific instruments can increase their utilization and specialization. It also attaches great importance to optimizing resources allocation, enhancing the capacity of independent innovation and quality of the scientific research in universities. We should...

The college-enterprise cooperation is an effective method to cultivate innovative and applied talents facing enterprises, achieving the transformation of student status to staff. In this model, the resources of college and enterprises could be exchanged more efficiently to maximize the mutual benefits,...

Building a high-level team of innovative and entrepreneurial teachers is not only a prerequisite for improving college students' innovation and entrepreneurship ability, but also an important factor for ensuring the teaching quality of education. This paper expounds the knowledge and ability that innovative...