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Precision of ball screw had a great impact on the positioning accuracy of NC positioning platform. The lead error and backlash of ball screw, which could be accurately measured by laser interferometer, were two key factors affecting the positioning accuracy of NC positioning platform. By setting the...

This paper addresses the problem of scheduling jobs on parallel machines with machine eligibility restrictions so as to balance the workload among machines. A weighted bipartite graph model G=[J M,E,W] is used to formulate the studied problem. We propose a two-phase algorithm to find the optimal solution....

This paper mainly focuses on the content-based image search system. First introduces the research status of CBIR in China and abroad, and then proposes and illustrates two key problems affecting the accuracy of the system, summarizes commonly used methods to solve these two problems.

In order to remove the mixed noise in an image, proposed a new weighted filtering algorithm. The algorithm used 5x5 filtering window, divided the window into sixteen 2x2 sub-windows, took these median pixel of every sub-window as their virtual center, then calculated the weights of these virtual center...

The finite element analysis model of the crack fault gear with different crack depth is established by the modeling method, and the modal analysis is carried out by the finite element analysis method. In the modal analysis, the results show that the crack will have a certain effect on the stiffness of...

Image-based 3D reconstruction has many applications, but the reconstruction process is really time-consuming. In this paper, we have discussed several existing methods which can speed up the reconstruction, but many of them have their own limitations. After the analysis of image-based 3D reconstruction...

A new type of capacitive grain moisture on line measuring device was designed based on the measuring principle of non-contact parallel plate floating capacitor, which was suitable to continuous dryer under severe environment. The static batching measurement was used to improve the repeated accuracy of...

According to the requirement of grid connected photovoltaic power station and analysis of the topology structure and features of H bridge power conversion system(HB-PCS), a coordinated control method was presented in this paper. The method set current reference of HB-PCS to compensate reactive and active...

The small size of the city vehicle gasoline engine is the key point of the current energy saving and emission reduction. The application of multi stage turbocharger technology has become a research hotspot, which leads to a higher compression ratio, the average effective pressure in the combustion chamber...

It is found that some operating faults of the intelligent electric meters are caused by the performance of the built-in load switches. In order to determine the characteristics of the built-in load switches, the performance of the switches are tested and analyzed. The factors, including the complicate...

Recently, natural disasters like earthquake, flooding, and landslides evoke our intensive awareness. The first priority to be concerned is the home status left by people, because from which can we largely estimate the damage level of the catastrophe and manage the rescue action better. However, to investigate...

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 present, the national grid invested heavily to carry out the construction of smart grid. As a key component of smart grid construction, electricity meter is developed gradually from the traditional intelligent electric energy meter, which is an important intelligent terminal in the smart grid. The...

A voice announcement ultrasonic distance meter with temperature compensation based on embedded MCU has been designed. This distance meter project has been introduced into the electronic design lab course teaching in Zhejiang University. Some teaching method reformation measures have been taken, which...

The immobilization of lactase is a more attractive approach to overcome the disadvantage of the free lactase. In the presented work magnetic Fe304 fluid was synthesized by chemical coprecipitation and its surface was modified with sodium oleate. Then the liquid paraffin was used as dispersant and glutaraldehyde...

This study examines the governance of how external auditors (EAs) rely on internal audit function (IAF) from a new perspective. We use Signaling Theory embedded in a Throughput Model to trace the sub-processes of different stages of the reliance decision. We consider the last revision made to the International...

Automotive industry in the Czech Republic is important and highly monitored. The reason for this is mainly the fact that the automotive industry contributes significantly to the formation of GDP, according to Ministry of Industry and Trade (MIT, 2015) 15% long-term profit is made in the automotive sector....

This paper reviews the possibility of using the methods of formal logic in the professional judgements taken by accountants, and in accounting regulations as a special type of professional judgements made on behalf of the entire accounting community. It contemplates the possibility and the process of...

The main purpose of this paper is to evaluate and compare a financial performance of Czech sugar refineries within a period 2010-2013. Due to the availability of financial statements for the requested periods were analysed following public limited companies - Cukrovar Vrb tky, Tereos TTD, Litovelsk ...

This study addresses the case of Toshiba's fraudulent accounting in 2015 and examines its implications for setting accounting standards while considering the linkage between theory and practice. If this case is not an isolated case, then what is the problem with the existing accounting standards? The...

Accounting addressed to support the management has been developed in enterprises in Poland on a wider scale since the 1990s, i.e. since the restoration of the market-based economic system after a half-a-century break. The paper aims to identify the perception of the nature and scope of management accounting...

External auditors' ability to detect profit manipulations in the financial statements is limited. Non conformity with Benford's law gives indication of the risk that a data set contains fraud, but it does not give information which items are manipulated. Knowing profit and other financial targets set...

The issue of fraud is topical in every country and for every type of organization, regardless of the continent or the part of the world. Getting involved into a fraud scandal, the future reputation becomes doubtful from the potential investors' and customers' point of view. Many authors have discussed...

This paper investigates if accounting evolved as a result of the interaction of special economic, cultural and political institutions which prevailed in Medieval Italy. A two-step approach is implemented by the Historical and Comparative Institutional Analysis. First we investigate the features of above...

It is known that the financial statements are the subject of falsification. Risk assessment of possible falsification is a complex and urgent problem, which concerns a large number of scientific studies that use in modeling a variety of information contained in the financial statements. This paper presents...

With the deepening of China's reform and opening up and the continuous improvement of people's living standard, people more and more high to the requirement of education. According to China's medium and long-term education development request, under the background of new situation and new application...

Culture is the soul of tourism. As a famous "hometown of gifted scholars", Fuzhou has cultivated a galaxy of eminent persons in history and abundant cultural tourism resources. It can make people rich and protect the ecology to build the cultural tourism industry into a pillar industry of Fuzhou. On...

Buton Rock Asphalt, as a natural asphalt modifier, can be easily dissolved in matrix bitumen, which improves high temperature performance water stability performance and anti-aging performance of asphalt mixture greatly, and lead to the simple production process and easy promotion. However dry mixing...

Based on the background of a double line shield tunnel in Shenyang metro, the construction process of double line shield is simulated by using the finite element analysis software of GTS Midas. The change course of ground surface settlement during construction and the influence of the physical and mechanical...

For the cross sectional profile of axisymmetric body with curve, the numerical solution of elastodynamic equation is difficult in cylindrical coordinates. In order to realize the dynamic simulation of axisymmetric body with curve cross section, based on the Lax-Wendroff differential theory, a numerical...

Some problems including complex calculation methods and parameter calibration difficulties exist in the current corrected calculation of the sediment discharge. A new method based on the copula function was proposed in this paper to solve them. The results show that the proposed method can improve the...

Based on information sharing idea, BIM (Building Information Modeling) technology had been widely used in construction industry. Employment Guarantee for Migrant Workers is hot topic in Chinese construction industry. There were few articles focus on using BIM to solve the Employment Guarantee problem....

In order to improve the efficiency of freight vehicle and cargo matching, a mathematical model was established, which describes target and the related constraints, and quantum evolutionary algorithm was proposed to solve this matching problem. In the experiment, improved quantum evolutionary algorithm...

An Open-Source solution based on Pentaho is described in this paper for constructing railway passenger transport marketing assistant decision system as alternative of commercial software, solving the problem of being lack of user custom properties, which will save project costs, and has good expansibility.Furthermore,...

Recent year, school of economics and management or school of business in many universities discuss in-depth about the necessity and importance of setting up finance courses. Especially for non-economics majors in school of economics and management or school of business, whether finance courses should...

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...

MCU application capability is an important skill that applied undergraduate of electronic information college students must master. This paper explores the feasibility and effectiveness of "3T"mode for the cultivation of applied talents, with application-oriented personnel training as the goal and effective...

Using the methods of text analysis, interview and logic analysis, it made a reflection on the club teaching model of public physical education in Yan'an University. The results show that adopting club teaching model in public physical education was in line with the trend of teaching reform and development,...

General education is an important part of higher education in China. General education affects the free comprehensive development of college students. This paper expounds the necessity of the purpose of general education and its implementation. This paper puts forward a teaching method based on the lecture...

This study used a subtitle corpus of American TV drama House of Cards SeasonI, Season and Season to investigate the utilization of discourse marker so and explore the characteristics of facial expressions' changes and the effects of social elements and personal emotions for text cohesion of the discourse...

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...

O. Henry was a well-known American writer in the world literature history. His writing is vivid and he is good at using irony, paronomasia, metaphor, metonymy and exaggeration to make the story full of fun. He is a master of surprising endings, and he usually design story plots dramatically, and makes...

Wang Anshi enjoys worldwide reputation and Fuzhou City is his hometown. Fuzhou should rely on the cultural brand of Wang Anshi and integrate tourist resources in Fuzhou to establish itself into a cultural tourism area of Wang Anshi's hometown, thus transferring the advantage of cultural tourism into...

As a native son of America, Bigger is a natural product of American society. He does not know where he belongs to, and how to find his way out of his bewilderment. He is a marginal man, and lives between white and black. During his life, Bigger experiences social and cultural destruction of manhood and...

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 study the effect of high energy shot peening on electrochemical corrosion resistance of WE43 magnesium alloy, the electrochemical corrosion behavior in 3.5% NaCl solution of WE43 magnesium alloy with different processing duration was investigated. Its cross-sectional microstructure, surface...

In sewage treatment, the sewage whose carbon and nitrogen(C/N) ratios is less than 8 is defined as low C/N ratio sewage. This study contrasts the treatment effects under different C/N ratios in aerobic membrane bio-reactor. The experiment is performed in the following conditions: Temperature is from...

Bigraph which proposed by Robin Milner is a powerful formalized modeling language. We can get the bigraphical reactive systems (BRS) by using bigraph to represent each state in a system. Model checking is the technology which can verify whether a given model stratifies the specified requirement and it's...

Improving recommender performance is beneficial. However, sparsity and scalability of data is a problem faced by recent recommender systems. Customer interests and available products are changing constantly. Social interactions among users are highly influential on the effectiveness of the recommendation....

Nowadays, more and more social media platforms support hashtags to facilitate information classification. Like Twitter hashtags, a user-initiated hashtag can suggest emotion/mood, convey so much extra information in addition to the actual tweet. Hashtags have been widely used in topic analysis because...