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The sources of requirements change should firstly be identified in the process of managing requirements, while the collection of information and the measurement of change activities should be conducted by methodology. This paper firstly reviewed the state of the arts of identifying and classifying requirements...

In this paper, we use the idea and method of evolutionary game to construct the asymmetric game problem information sharing in Stackelberg model, which is dominated by the manufacturer.The results show that the dynamic evolution of the system is not stable. The success or failure of information sharing...

As the end of 2015, there are 25 cities having finished urban rail transit construction in China, and the total length is 3293 kilometers. There are 40 cities building the urban rail transit, and the length will be more than 4000 kilometers. It is estimated that the total investment of urban rail transit...

Knowledge management is the process in which enterprises use their intellectual capital to generate wealth. Having a sound knowledge management system is the key to enterprise development. This paper studies the knowledge management system of JLY Company in Guangzhou, analyzes the problems of insufficient...

After years of development, residential property management has shown some drawbacks. Under the background of “Internet plus”, there are some innovative models in property management. How to make better use of Internet thinking and improve the professionalization and modernization level of residential...

The development plan of Guangdong, Hong Kong and Macao Bay Area is going be launched soon, and the construction of Guangdong Free Trade Zone will continue to advance. Guangdong faces the dual national strategic and policy advantages of the Bay Area and the Free Trade Zone in the “One Belt and One Road”...

Why do companies spend money to disclose these carbon information? From the perspective of internal economic motives, this paper attempts to select the Fortune 500 companies as samples, and use the OLS method to study the relationship between carbon performance and corporate performance from both the...

In China's social security system, disabled people, as special social groups, are vulnerable groups. They should receive more attention from the society. Also, there should be a sound and reliable social security system to help and protect disabled people. In recent years, China's social security system...

This paper aims at providing an analysis of views of validity as an important concept in psychological and educational assessment which has undergone transformation for several decades. The revolutionary change took place along with the release of the 1999 Standards followed by the 2014 Standards in...

Alternative conception is students' conception of scientific concepts that are inconsistent with the conception of scientists. Various studies show that alternative conceptions of chemical concepts occur in students, including acid-base concepts. Various identification of alternative conception methods...

Learning content of chemistry includes factual, conceptual, procedural, and metacognitive knowledge. To well master the learning content, students’ metacognition is required. Students’ metacognition can be formed and developed through learning. Metacognitive learning strategy is one of the strategies...

In the teaching of college English, English translation teaching can not only reflect the translation level of college students, but also a reflection of college students' ability to learn English. Therefore, it is important to say that the status of college English translation teaching in college English...

The numerical analysis course which is a widely applied and strong discipline mainly introduces the basic theories and methods of scientific computing. This paper discusses teaching concepts, textbook content, teaching links, and teaching methods combined with Mathematica software.

This paper applies the method of mathematical statistics based on the Markowitz Mean Variance Model to choose portfolio. The main purpose of the paper is to explore the application of the Mean-Variance Model in risk measurement, and use the Mean-Variance Model to select the investment assets to reduce...

With the progress in China's building of a well-off society and the continuous improvement of its international status, it is imperative to strengthen both domestic and international recognition of our party and country. The article shed light on the relationship between the images of the party and the...

With the implementation of national strategies such as "One Belt and One Road" and "double first class", it has put forward unprecedented requirements for the cultivation of talents and international communication in universities. Local universities should pay fiercer personnel to grab the battle, use...

Today, the information technology grows faster than ever before. The popularity of the Internet has brought unprecedented experiences to people. However, many college students cannot use the network properly while enjoying the convenience and pleasure brought by the Internet age, which seriously affects...

To understand the problems in the management of university classes. Interviews and discussions were used to investigate college students, class cadres and head teachers in applied chemistry. 39.2% of the students were not interested in the majors they were studying, and they were confused about their...

With the rapid development of information technology, the Internet has influenced and intervened in a series of major changes in global social economy since the 20th century, changing people's traditional production and life style. College students are the main force of network society, and college campuses...

Although MOOCs have developed rapidly in recent years, little is known about learner engagement. This paper integrates ECM and subjective task value to analyze the influencing factors of MOOCs users' intention to continue to use. A total of 294 learners participated in the survey. The research shows...

In the process of personnel management in colleges and universities, scientific use of incentive methods is an effective means to arouse teachers' enthusiasm and bring their creativity into full play. The importance of incentive theory in personnel management is self-evident. Psychologists in the 20th...

Barrage can be applied to teaching audio-visual courses because of its own features and its close connectivity with network teaching. This study provides an empirical study on the effectiveness of the audio-visual curriculum in college English. The research focuses on exploring whether the use of Barrage...

Information security based on cloud computing platform is becoming one of the main concerns and challenges for library in big data era. This paper analyzes the current situation and security problems under the cloud computing platform, and then proposes to use encryption algorithm to ensure data security,...

This paper attempts to find the connection between earnings management and the readability of annual reports. We use STATA15.0 to search data of China's stock market annual report from 2012 to 2016. This study is based on 1163 listed companies in China stock market, and use Software developed by s Taiwan...

With the rapid development of economy, science and technology, the era of artificial intelligence has come, which has exerted a great influence on all aspects of life. Whether the situation of accountants facing elimination is widely concerned. This article will be focusing on how to use artificial intelligence...

The application of flipped classroom in college English teaching is an innovation in the new teaching method in line with the current education system of higher education. The flipped classroom model turns the role of teachers and student’s upside down, and turns the accepted teaching upside down. It...

Jilin Province's new energy industry is a strategic emerging industry in Jilin Province and has broad prospects for development. In recent years, Jilin Province has made great efforts to adjust its energy structure and has made active explorations in the development and utilization of new energy, and...

Aiming at a class of nonlinear systems running repeatedly in the study of the convergence of iterative learning control, a PID fuzzy iterative learning control algorithm has been proposed in the arbitrary initial value using fuzzy PID control algorithm, using traditional experience PID parameters by...

Now on the market are used motor-driven robot, so the ultimate environment (such as underwater) and cannot successfully complete the operation, and the use of micro-hydraulic system can effectively improve the torque, and can better be used in harsh environments. Using a fuel tank as the power source,...

Sprint is a basic project of track and field sports, and it usually includes 50m-run, 60m-run, 100m-run, 200m-run, 400-run as well as 4×100 and 4×400 delay, etc. Athletes are required to use the complete running of the prescribed distance in the determined runway at the fastest speed, and the first to...

The land use and cover change (LUCC) is more and more intensive in China for the rapid urbanization in recent years. Five remote sense images in 1988, 1996, 2002, 2009 and 2014 are used to analyze the temporal LUCC features in the Wohu basin in Jina city. Through calculating the special variance trend...

In order to meet the needs of modern society for the cultivation of talents, college English education pays more attention to the cultivation of students' comprehensive application ability of language. The goal of college English teaching is to develop students' ability to use English language comprehensively....

In this paper, a kind of environmental three-dimensional parking equipment was designed, which was flexible, easy to assemble, disassembled and portable. As a result, the vertical and transverse movements of the parked vehicles were realized in need. Easy assembled and removable steel structure was used...

Sorafenib (1) in the medical field to show the potential biological activity. Literature on the majority of tumor cells have a high biological activity, such as lymphoma, breast cancer, prostate cancer. However, some synthetic route of Sorafeni has disadvantages, such as low product yield and complicated...

The existing bounding box has the contradiction between compactness and complexity. On the one hand, the poor compactness of the bounding box often leads to the poor effect of removing the disjoint objects, which leads to the low efficiency of collision detection. On the another hand, the good compactness...

Found that the association between each characteristic attributes and behavior based on network intrusion data to achieve intrusion valuable data extraction and analysis,the use of denial of service attacks recorded KDDCup99 dataset simulation experiments.Weka software using association rule mining algorithms...

Follows the economic globalization and the knowledge economy arrival, the traditional rigid management pattern is restricting the enterprise human resources innovation and the initiative seriously, the enterprise human resources only then implements the flexible management to be able to adapt the now...

Chronic bronchitis is a common and frequent disease of respiratory system in the clinical; its main manifestation is the chronic non-specific inflammation of trachea, bronchial mucosa and surrounding tissue; its etiology is complex, associating with infection, allergies, genetic, immune dysfunction and...

With the rapid development of computer information technology and the process of quality education in Higher Vocational Colleges which are seemed as the base of national higher education places is advancing with the times using multimedia means to carry out teaching activities, and it achieved good results....

With the popularization and development of the Internet and the extensive use of electronic products, Self-media has become an important part of people's lives, profoundly affecting people's way of life and communication. And the current higher vocational students are influenced by the most profound...

Use all A-share listed companies of main board market in 2012 as samples, this paper investigate the influence of environmental information disclosure behavior on the firm future market value and investors` confidence in capital market. The research conclusion indicate that: (1)The listed companies`...

Based on the demand of integration and sharing of digital archives resources, this paper analyzes the fit and advantage of cloud computing and digital archives resource management, and puts forward a new idea of sharing and sharing digital archives resources in the cloud computing technology that make...

PM2.5 pollution is harmful to human health and ecological environment, and effective control of PM2.5 pollution has important practical significance for regional sustainable development. This paper analyzed the impact of land use change on PM2.5 pollution based on Geographic Information System (GIS),...

The information literacy training service of university library is faced with the bottleneck of the complicated training content, the separation of learning and application for the training object, the poor effect of training application ability transformation and so on. The information literacy of micro...

We present a new method of investigating the so-called quasilinear strongly-damped wave equations in this paper, we concerned with the Controllability in a steady state for the Quasilinear Wave Equations with weak decay, and we use a so-called energy perturbation method to establish weak controllability...

Due to the nonlinear relationship between vehicle engine fault characteristics, traditional methods can not accurately describe the correlation characteristics between different features, it is very difficult to achieve accurate diagnosis of vehicle engine fault. In order to improve the accuracy of vehicle...

In this paper, we have developed an FDS that is a measure of national vulnerability. From the FDS, we can judge whether the fragile state of the country is fragile or vulnerable or stable. We use Fuzzy Analytic Hierarchy Process (FAHP) to construct an evaluation model to evaluate the vulnerability and...

Weak signal detection is a multidisciplinary application of detection methods,which through the use of different methods to study and analyze the statistical properties of signal and noise, and use a variety of signal processing methods to analyze and process the input signal. Weak signals can be detected...

In order to obtain the image information of go, we use the traditional method to process the image, but the traditional method has great limitation. The accuracy is low, and the external factors can easily affect the processing result. In order to solve the limitation of traditional image processing...

High speed rotating control machine of fuze can use high speed motor produce effect of rotating centrifugal force under the laboratory environment to simulate the centrifugal force that the fuze received in the flight. The equipment can give a rotating test for the fuze to check its security and dependability.