Search all articles

As a core course for freshmen and sophomores of English major, Basic English teaching still exists lots of complexes such as the restrained teaching mode, little teaching duration, less interaction between teachers and students and unsatisfied teaching results. In this paper, the author has conducted...

Analysing online reviews is a good method to identify customers' needs and concerns. We conducted a comparative analysis of two Chinese major online review platforms (JD vs. ZOL) in customer concern identification using the LDA model. We find that there is a big difference between customer concerns of...

Analyzing the risk of Shanghai Composite Index is beneficial to investors in stock investment, and provides reference for investors. This paper selects the daily data of Shanghai Composite Index from January 1, 2005 to December 30, 2016 as the research object, and uses VaR and GARCH model to empirically...

In recent years, social entrepreneurship plays an important role in the process of social governance and gains increasing attention from scholars. This research focuses on a famous social enterprise in China to identify its impacts on employees. The results show that the social enterprise has impacts...

This paper starts from the field of construction engineering, discusses the comprehensive ability of inspection and testing institutions in Hebei Province, uses the entropy method to determine the weight of each part, and uses the TOPSIS method to sort out the comprehensive ability score of the construction...

This paper puts forward the method of user profile technology based on LDA model. Abstracting the behavior and transaction information of the research object into the document, the LDA model can be trained and the research object can be described into the property tags, thereby to realize the user profile....

Phonetic experiments with Kazak words including vowel /e/ in different positions were undertaken, and formant values of the onset point and the offset point of the sounding process of each /e/ have been extracted and analyzed. The results and finding indicate that vowel /e/ in Kazak is not a diphthong...

Based on the analysis of the existing logistics and distribution center location methods, this paper builds the evaluation index system of logistics and distribution center selection and establishes the gray relational location module as the model. It applies the improved entropy method to the evaluation...

Consumption for energy has a great influence on sustainable development of economy and society. The scientific and rational energy development strategy can effectively guarantee social and economic stability and orderly development and energy development strategy is inseparable from the right to accurately...

Rotating classroom teaching mode is to re-adjust the time inside and outside the classroom, transferred the decision of learning from teachers to students, teachers through assistance and communication to help students learn. This paper aims to promote the reform of college English teaching model. According...

As the teacher-centric to impart knowledge and skill of teaching ideas, convert to the student-centric study not only impart knowledge of the language, pay more attention to the teaching of ideological transformation training of language application ability and learning ability, is the aim of College...

Practical teaching is an effective way to consolidate theoretical knowledge and deepen theoretical understanding. In view of the current practice teaching of marketing specialty in schools and teachers is not paying enough attention, the professional teachers generally lack the practical experience and...

In recent years, image dehazing has become an active topic in computer vision. This paper presents a novel dehazing method based on adaptive clustering and image fusion for restoring a single image degraded by fog or haze. Firstly, the coarse-scale transmission map is addressed based on adaptive clustering...

This paper aims to investigate the teenagers' interest in a wide range of reading materials. Extensive reading has been gaining its popularity globally. One major requirement for the success of extensive reading is the availability of a large amount of reading materials. The academic circle makes every...

Analog electronic technology course design is the important practical link of "analog electronic technology" course. It plays the irreplaceable role in the realization of professional training goal for automation, mechanical and electrical integration. Through the implementation of the course design,...

This paper takes 63 port coal transportation enterprises in the Pearl-Xijiang River Basin as the research object, and tries to establish the structural equation Model (SEM) of the relationship between the inter-firm relationship management and the supply chain performance of the coal supply chain coordination...

The paper, to explore mechanical properties of magnesium alloy and ceramic coatings by micro-arc oxidation, through measurement of tensile modulus of elasticity of magnesium alloy matrix, three-point bending method to measure the elastic modulus of the ceramic coatings. The results show that: can get...

In This paper, the relevant research is carried out about seabed sound reflection . It has influences on the test results of the real-boat test based on the acoustic holographic technology. The effects of seabed reflection on underwater acoustic test is analyzed, through simulating sound field of free...

In the applied process of robot off-line programming technology, it is necessary for the model to solve the correction problem which is between the practical working and off-line simulational environment. Robot coordinate system calibration method is proposed by measuring workpiece coordinate system...

Stay cable is one of the main components of cable stayed bridge to bear loads. Due to its large flexibility, small quality and small damping, various of harmful vibrations could happen easily under the external excitations. Rain-wind-induced vibration is the strongest form of vibrations. Under the joint...

The rational synthesis of active, durable and low cost catalysts has of particular interest for fuel cell applications. The structural properties of fuel cell catalysts can be modulated by different synthesis methods, which significantly influence the oxygen reduction reaction at the cathode. In this...

The bidimensional empirical mode decomposition based on block partitioning(BBEMD) by using of radial basis function interpolation reduces the computational cost, but the blocking artefact is noticeable in the resulting mode. For alleviating the blocking artefact problem, we proposed a modified BBEMD....

Objective: To improve the capabilities of solving practical engineering problems for Pharmaceutical engineers. Methods: All subjects were divided into two groups, and in the experimental group, elements of professional design competition and plant design with preparation technology, equipment, GMP and...

The article gives a more effective and reasonable method for prevention of concrete structure corrosion considering both structure safety and economy by milling the core of the reinforced concrete structure and doing the silver nitrate titration experiment under marine environment . The results shows...

Energy system is the largest source of carbon emissions in a country or region. Since China's economic increases rapidly these years, it also brings the growth of energy consumption and carbon emissions. This paper indicates an index decomposition analysis to evaluate the carbon emissions from industrial...

Current Codonopsis cordifolioidea products are mostly its crude extract, which is of low technology content and low added value, and studies on the active ingredients of Codonopsis cordifolioidea are very limited. To promote industrial development of Codonopsis cordifolioidea product and to increase...

This paper studies the effect on the Augmentative and Alternative Communication (AAC) System for communication ability of autistic children. Procedures and Methods: Selecting five autistic children as research subjects, and the single subject experimental method was used to train subjects with the AAC...

The production process of aggregate industrial is monitored by the identification of the digital. In the video, the digital character whose size is less than 12 15(The width of the digital image is 12 pixels, and the height is 15 pixels.) is defined as the small digital. The recognition effect is evaluated...

With the definite labeled samples, it is difficult that avoid the curse of the dimensionality for the accurate and efficient classification of hyperspectral images. It is necessary that reduce the dimensionality of hyperspectral images. Therefore, Polymorphic Ant Colony Algorithm (PACA) based band selection...

The Biliuhe reservoir, which is one of the most important water sources in Dalian, is the "source of life" of Dalian. To explore the characteristics of heavy metal pollution in Biliuhe reservoir, the potential ecological risk of these heavy metal elements were evaluated by two methods, i.e. geo-accumulation...

On the base of connotative definition and theoretical basis, the initial measurement project of develop Innovation team leader leadership behavior scale refer to scales of scholars both at home and abroad, use the combination of quantitative and qualitative methods to select measurement project. The...

Based on the data of a arch bridge that lready built up, the finite element analysis model is established by finite element analysis software called Midas Civil. The buckling mode and buckling characteristics of the bridge are analyzed. The following operations changes are performed: the width of the...

In the analysis of large structures, usually finite element model according to the blueprint, the finite element model thus created often fail to reflect the true state of the actual structure. It is necessary to establish the finite element model is corrected. Typically, finite element model updating...

Medical Imaging contains extremely rich information about the internal body of a patient in clinical diagnosis, new technology research and medical treatment, medical education and training as well as for the treatment of patients having an increasingly important role. Based on the medical imaging target...

To obtain more accurate results of optimization calibration, an improved self-adaptive bat algorithm of camera calibration was proposed. Firstly, step parameters were set adaptively so that the objective function could avoid local minima. Secondly, the improved bat algorithms used in non-linear camera...

Clustering Algorithms has been widely used in Ad hoc network with its ability to construct network quickly, conveniently and flexibly and without the need of default network infrastructure. In this paper, Firstly, some shortcomings of the typical algorithm AOW (adaptive on-demand weighted algorithm)...

Dealt with the deficiency of single creature feature classification, classification methods of gait and facial side integrating at the feature layers are brought forth to improve the identify classification rate with long distance. This paper respectively has feature extraction and dimension reduction...

Development of NC system HMI requirements, construction and development of the numerical control system human-machine interface system based on the AM3352. WinCE system, introduced in Qt language design and development method of embedded numerical control system human-machine interface. Design of human-machine...

The control problems of quad-rotor flight such as under-actuated control, strong coupling were analyzed. With a simplified dynamic model of quad-rotor based on Newton - Euler equation, a double-loop PID controller which consists of the inner attitude control and out position control. According to the...

WNW7.0, software for water distribution analysis and design, is used to establish the hydraulic model of water distribution system in a northern city of China, and to analysis the changes of pressure and water quality in the water distribution system after applying single DBS and double DBS. The results...

put forward an agreement of safety range query that possesses privacy and completeness protection aiming at low-energy and high-privacy protection required by range query in two-level wireless sensor networks: SPQ(Secure probabilistic range query). SPQ consists of technologies like data encryption, prefix...

There are many different kinds of machine element, with professional development of industrial production, only a few machine elements needed by factories are for their own production, most are needed to be purchased. Using purchase quotation system for machine element is an effective mean to ensure...

The mobile drive system is an very important part of the robot, and the structural design of drive system for anti-terrorism robot will be discussed in this paper. The structural design of drive system mainly include: mechanical structure design, explosion proof technology design and power calculation....

By studying the concepts of safety quality and the safety condition of electric power enterprise, an evaluation index system for employees' safety quality of electric power enterprises is established, which includes 4 first-level indexes, 11 second-level indexes, and 47 third-level indexes. Then, the...

In using the TV-guided missiles to attack targets process, the target image segmentation process directly affects the attack effect. So, choose a suitable image segmentation methods to ensure high quality target image processing speed, real-time, is particularly important. This paper introduces a method...

To solve the problem of continuous and steady work and obstacles avoidance of ammunition loading robot, the trajectory plan method of ammunition loading robot based on cubic-B spline has been put forward. The paper analyzed the solution of cubic-B spline, finishing the obstacle avoiding trajectory plan...

In recent years, More and more attention has been paid to Unmanned Surface Vessels motion control field. An experimental platform for USV based on wireless communication was introduced for USV motion control algorithm experiments in this paper. The structure and implementation of experimental platform...

Medical data in various organizational forms is voluminous and heterogeneous, it is significant to utilize efficient data mining techniques to explore the development rules of diverse diseases. However, many single-node data analysis tools lack enough memory and computing power, therefore, distributed...

The median filter will cause fuzzy problems on edge details of the image when it is used to remove noise of an image. In this paper we discuss an improved median filtering method. Firstly according to the arithmetic mean we preliminarily detect signal points and suspicious noise points in the image,...

Under the circumstance of the big data, because of the low efficiency and low performance of analysis and calculation in stand-alone mode, the traditional recommendation algorithm is limited greatly, recommended time and recommended precision is difficult to guarantee. This thesis makes a improvement...