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Rare earth element (REE) compositions in ceramics from the Tongguanyao site (TGY) of China were determined by the inductively coupled plasma-mass spectrometry (ICP-MS) to compare their sources. Total REE concentrations of 14 samples range from 120.9 to 453 g•g-1, with an average value of 228.5 g•g-1....

With the development of industry, the large-scale exploitation and use of fossil fuels, especially coal, oil and natural gas, cause serious impact on the environment. Therefore, the development of renewable energy has become an important way to solve the problem between energy and environment. Solar...

This article analyzed the economic position of Jiangxi province from the aspects of gross economic value, industry structure and investment in fixed assets etc. It also explained the development state of logistics in terms of the infrastructure equipment, the status quo of logistics development as well...

Using BWRS state equation, as well as two specific heat correlations, the temperature drop due to Joule-Thomson effect in natural gas pipeline is calculated and the algorithm of this is proposed. As for the west-to-east gas transmission pipeline, comparing the result calculated using the algorithm above...

Many techniques have been used to build credit risk model. Among them, logistic regression is a more appropriate technique due to its desirable features (e.g., interpretability and prediction accuracy). In this paper, to implement credit risk assessment quickly, a method for constructing credit risk...

In recent years, with the development of economic, trades between countries become more frequent. So, the status of international freight forwarders becomes more and more important in terms of international trade. The economic globalization promotes the reintegration of international freight forwarding...

This paper presents a method of mobile robot navigation based on the Kinect. The proposed method has advantages of flexibility and low cost compared with the traditional sensors, such as laser scanner. Using the Kinect depth information, the SLAM and path planning are realized and the mobile robot navigation...

Cloud service is a service model based on the Internet. In the cloud service support environment, we need to build support for cloud services of the University of learning. The design and application of higher education cloud service system is a very important technology in the field of education in...

Customer loyalty formation and maintenance problems that have been a focus of marketing theory and business circles concerned, especially with the market competition is becoming increasingly intensified competition over costs and customers improve the situation even more so. The rapid development of...

In the electric-power systems, which include hydroelectric power plants (HPP), the important objective is the increasing of water resources utilization efficiency. Hydroelectric power plants have a great impact on the distribution of power at the regional level and especially in the wholesale electric...

In order to improve the performance level of aircraft maintenance personnel, by the way of questionnaire survey, collecting sample data for statistical analysis. this paper analyzes the relationship between the intrinsic motivation and safety performance of the aircraft maintenance personnel, and compares...

School-based Management (SBM) has been implemented in Indonesia since 2000, but after 16 years of implementation there are still many schools that have not succeeded in implementing it. This article aims to measure the impact of SBM implementation on school effectiveness. The objectives are to find out:...

Aiming at the stability problem of armored equipment firing in advance, a flexible gyro stabilized platform is designed in this paper. The structure of the stabilized platform is introduced, the factors affecting the platform error are analized, and the ideal control strategy is designed. Through the...

With the focuses on cross section of pipe truss, depth span ratio, width height ratio, thickness of concrete slab and concrete strength, this paper uses finite element software ABAQUS to analyze failure mode, ductility and ultimate bearing capacity of no winding composite floor pipe truss, puts forward...

Partitioning the entire electrical network into several sub-regions is a good way to control voltage and reactive power. In this paper, an effective identification strategy is proposed to partition the whole network with typical boundary nodes. Firstly from the point of normal operation, a reactive sensitivity...

Given the characteristics of our times, the development trend of Teaching Designing Disciplines, and the limitations of traditional classroom instructions, this paper discusses the creation of autonomous learning environment with an aim of helping the development of learners capabilities and meet the...

This paper establishes a multi-model linear parameters varying (LPV) model for wind turbine. The multi-model LPV model is composed by several local linear models interpolating with weighting functions. Local linear models are identified at different wind speeds and pitch angles in the form of output...

The scale expanding of colleges and universities brings enlarged enrollments and strengthened student associations. To solve problems exit in the present party construction of college student associations such as insufficient ideological cognition, imperfect system construction and the lack of guiding...

In Huarong dialect of Hunan province, “geren” has two usages. One is “geren 1”, whose meaning and usage is just like the Mandarin reflexive "ziji" .In additon, “geren” has a special usage—commentary adverb “geren 2”. “Geren 2” is a subjective marker of discourse whose function is to strengthen modality...

(R)-tert-butyl 4-formyl-2,2-dimethylthiazolidine-3-carboxylate is an imntermediate of S-jaspine B known as a potential substitution of pachastrissamine (jaspine B) which shows effective biological activity. Herein we describe an elegant straightforward synthetic path for this attractive molecule intermediate.

In order to study the reflection crack resistance of asphalt mixture, using Overlay tester, crack resistance property of five asphalt mixture types were analyzed based on the repeated loading mode. The paper analysis the influence of mixture types、temperature and volume index (void ratio) on the anti-cracking...

For wireless sensor network (WSN), this paper is mainly concerned with how to make the longest lifecycle of the network. Because sensor nodes in WSN are usually used to collaborate on a common goal, it focuses on the optimization of energy consumption of the whole network rather than that of a single...

This study was conducted to analyze factors related to internal and external development model of entrepreneurship education students through cooperative school (Kopsis) through SWOT analysis method. This research is a descriptive study subjects of the study are the administrators and coaches Kopsis...

With the bursting and rapid development of computer science and technology, the need for designing signal anti-interference devices is urgent. Therefore, we conduct research on high frequency signal anti-interference and corresponding applications on the design and implementation of cheating signal detector...

Reaction exothermicity over -alumina supported gold catalysts could be well controlled by addiing appropriate dopant. The addition of adopant FeOx and CeO2 could transfer active species Au0 to AuIII resulted in different reaction mechanism of CO oxidation in the absence and presence of H2.

With the recent development in ICT environment, College English learning and teaching mode has undergone a huge transformation. The concept of flipped classroom and its features were outlined. The problems in current College English teaching and how to construct a flipped classroom teaching model were...

This paper briefly introduced the experimental environment of Epinephelus malabaricus’s image acquisition, brief description of the simulation Setting of the three kinds of light intensities , aslo introduced the steps to acquisition images by Matlab . Described in detail about the methods of how to...

The article presents a historical analysis of changes in the requirements for the organization and content of education. The necessity of combining an individual approach to students, meeting the requirements of educational standards, the use of digital technologies to create the opportunity to build...

This paper presents findings of a qualitative study on efforts to engage elementary school students in small-group and whole-class discussions as part of the process of learning mathematics. Characteristics of the process of facilitating small-group and whole-class discussion are examined, as well as...

The guiding work of college students' employment value orientation is related to the vital interests of college graduates, and will have a profound impact on their families and the wider social interests. At present, in the process of job hunting and career selection, college students show that the pursuit...

Tarasovskoe oil and gas condensate field is located in the Purovskii district of the Yamal-Nenets Autonomous District of the Tyumen Region, 55 km north of Tarko-Sale town and 45 km east of Gubkinskii town. One of the main drawbacks of the existing field development system is a large stock of non-operating...

The physical education in schools has attracted more and more attention from the society. Experts and scholars from all over the world have gradually deepened their research on the reform of physical education in schools. Through the analysis of the physical education curriculum standards of China and...

The paper substantiates the advantages of an effective cooperation between business and NPO and identifies main problems arising during that process. Among other problems considered there is the cause of a deficient practice of such cooperation with a lack of a continuous financing of NPO actions at...

To better understand the phenomenon of valley width shrinkage after the impoundment of an ultra-high arch dam, the cause and mechanism of the narrowing of valley width on both sides of the high arch dam during the impoundment stage are studied and analyzed. The effect of reservoir water pressure and...

Based on the employment theory and the multi-order Logit model, this paper studies and analyzes the 2017 graduates of School of Economics and Management of the Mandarin University from the perspective of academic performance and personal characteristics. And it is found that the employment of students...

The authors justify the main points of the theory and methodology of assessing the potential for sustainable developing rural areas on the basis of systematizing factors which affect the dynamics and structure of changes in their potential. The authors use modeling methods to determine the projected...

The Article XI of Theses on Feuerbach writes: “in the past, philosophers only interpreted the world, but the problem was to change the world”. This sentence is the most famous and well-known classical quote cited by scholars from Marx’s works and it understands Theses on Feuerbach from practice to knowledge...

This research was aimed to describe the effects of problem-solving models to improve Communicating Skills and mastery of students’ Chemistry concepts. This research using a quasi-experimental method with Non-Equivalence Pretest-Posttest Control Group Design. The sample was obtained by cluster random...

The implementation of the policy of comprehensive two-child has derived a social problem. That is "nobody looks after children". Holding nursery institution can effectively alleviate this problem. However, there are many problems exist in the early stage of education, such as the lack of professional...

Unbalance of dc capacitor voltage is a key technical problem of NPC inverter. Through establishing the dc capacitor voltage balancing mathematical model of NPC three-level inverter, it can be proved that the NPC three-level inverter is a Passivity nonlinear system. By controlling the total charge of...

A novel trench based stress modulation structure for strained 90nm-gate N MOSFET is demonstrated in this letter. The numerical simulation using SENTAURUS SPROCESS shows that, with this structure, the channel stress can be changed from compressive to tensile in a case of compressive CESL strained device....

The development and economic activities of various sectors of the industry have been completed by the enterprise."People" as the most basic unit of business activities,How to use it? How to manage employees with reasonable distribution? How to dig out the potential of enterprise employees so as to bring...

In order to explore and test the geometric flow and Bandelet coefficient combining method is applied to image fusion effect, in this thesis, on the basis of the Bandelet transform theory, with the help of Beamlab200 toolbox and Matlab platform, using construct geometric flow and Bandelet coefficients...

In this paper, the principle and key technology of gun barrel observation and detection are systematically expounded, and the research actuality of barrel observation and detection system is summarized and compared. This paper focuses on the application of machine vision technology in the detection of...

The fruitful results of digital application gradually affect the traditional interior design concept. In the daily teaching and work, we can feel the convenience of modern digital technology applications. Through the continuous exploration of digital technology, interior design teaching has become more...

In order to analyze the quantity and regularity of Zhanjiang's total import and export with the changes of GDP and residents' consumption level in Zhanjiang, this essay uses econometrics method to establish a model to study the influencing factors of import and export in Zhanjiang. The results show that...

In this paper, AHP is applied to the evaluation of student maintenance capability in virtual maintenance environment, and the design of evaluation system is achieved. Firstly, the mathematical model of AHP is introduced. And then, according to the index system of maintenance training in aircraft maintenance...

With higher project demand for cold bending forming steel function, the geometry section of profiles is becoming more and more complicated, and pass design of rolling section steel is becoming more and more difficult. The design method based on experience and estimating doesn’t meet the engineering requirements....

This paper uses an industrial control product as a teaching platform, the necessary foundation of theoretical teaching and practical exercises which is combined, so that students quickly grasp the embedded industrial control system software and hardware, the basics of the system hardware and software...

In order to meet the enterprises' demand for senior talents and enhance the practical and innovative abilities of postgraduates with professional degree, this paper puts forward the cultivating problems of postgraduates with professional degree through university-enterprise cooperated cultivating mode....