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Changshu, also known as Qinchuan, has been a performance exhibition and research center of the Chinese guqin since the Tang and Song dynasties. As the hometown of the Guqin, the history of guqin can date back to the mid to late Ming Dynasty. Nowadays, Changshu has excellent guqin makers and inchoate...

Flutter, a seriously dynamic and severe self-excited vibration, easily exists in mechanical processing system, is a major factor, impact the workpiece surface quality and machining efficiency. It has been the main research to explore the resource, analysis the mechanism and pursue restraining method...

The shift logic of most automatic shift systems is based on two parameters-vehicle speed and throttle opening. In this paper, two-parameter shift schedule is applied for AT. The shift logic is on the basis of the optimal efficiency of the motor-transmission system. The model is built by Simulink/Stateflow...

The effect of power ultrasonic on the solidification microstructure of a newly developed Al-Ni-Zn-Mg aluminum alloy has been investigated. The melt of the alloy was treated by ultrasonic field with different powers from 0W to 850W. Without high-energy ultrasonic treatment, the eutectic Al3Ni phases with...

With the rapid development of network technology and the advance of information technology companies, the traditional monitoring system and web technology combined with the B/S mode of the computer remote monitoring system has gradually become a new research and development of hot spots, built on B/S's...

Purposes: the stage of university learning is the key period for college students to transition from the role of student to good socialized individual role. Such important stage is of great significance in shaping students' cognition, emotion and will, and then affecting the acquisition of happiness...

Based on the analysis of reliability block diagram and reliability model, the error of mission reliability bridge-model can be inferred. The error cause was worked out by the enumerations data set and the total probability formula, which proved that the inference is right, while the bridge-model of mission...

Language acts as the social roles such as the medium of cultural transmission and the sign of ethnic groups’ identification. In the field of political science, language maps into the form of language rights directly, and derive the forms of language policies, laws and so on. The integration of inter-ethnic...

With the continuous development of the economy, the requirements for glyphosate production and environmental protection policies published by the country are becoming stricter. The glyphosate waste liquid has high viscosity and low calorific value, and the conventional waste liquid is difficult to burn....

Based on the information of 1924 articles collected from China Academic Journal Network Publishing Database (CAJD), bibliometrical analysis methods are used to analyze the smart grid research. The results showed that: 1) the smart grid has got the attention of many researchers, core authors have been...

Nowadays, with the development of the EHV grid and area of megacity, such as Shanghai, Nanjing. There are many factories and AC-DC converter substations are involved into the urban region, which causes much more power quality problems than before, so that more and more people focused on the power supply...

Gratitude is a traditional virtue of our Chinese nation. In the context of Chinese culture, adolescents’ gratitude to important people in their life is more reflected in their efforts to study and academic success, and adolescents with higher levels of gratitude were more likely to report academic success...

To investigate dynamic compressive properties of ZK60 magnesium alloys under different strain rates, the Split Hopkinson Pressure Bar (SHPB) apparatus was used at ambient temperature. The mechanics response and the correlation rules of ZK60 magnesium alloy under different strain rate compression have...

The induction heating temperature and electromagnetic field coupling model has been established based on the principle of induction heating and finite difference method. The suitable parameters are set up according to actual size of billet. Numerical simulations are performed according to the mathematics...

This paper focuses on two aspects. One is the modeling method of hardware function based on Kripke structure. The other is the hardware design specification formal description method which based on temporal logic CTL. In order to design a hardware modeling method which based on Kripke Structure, Hardware...

Sliding window accumulation detector and order statistics-sliding window accumulation detector for missile-borne high-resolution radar target detection are presented in this paper. Their performance under space-time correlated K-distributed clutter background has been investigated. Under null hypothesis,...

Aiming at the increase of electronic products brought about by the hazards of electromagnetic radiation intensity of an electromagnetic wave, designed a time for detection of people within the scope of activities to re-mind people to exceed the standard, in order to prevent the electromagnetic wave radiation...

Zr-based bulk metallic glass possesses the highest potential as a structural material among metallic glasses. However, its potential application has been restricted by a number of issues, such as fragility, small size and difficult fabrication into different shapes. In this paper, an attempt is made...

With the great changes in the ecological media environment, China’s traditional newspaper groups are also facing urgent challenges. The print media face many difficulties, and many factors are compressing the living environment of the traditional print media. Through a detailed analysis of a typical...

Under the severe situation that the group promotes reform through cases, how audit supervision can play a more in-depth supervision role in the field of tool management, prevent micro corruption and find possible micro corruption clues in daily management is another important research content of audit...

O2O e-commerce model is a promising young e-commerce model derived from the traditional e-commerce model, it especially solves the store sales problem in service industry and commodity backlog problem of traditional business. After the rise of e-commerce in China, e-commerce got wide response of merchants...

The development of modern agriculture should be guided by the theory of sustainable development, and should be based on the idea of harmonious coexistence of man and nature. Starting from the connotation of sustainable agricultural development, this paper constructs a element of modern agriculture sustainable...

A first-principle study on the conductive path formation induced by the aggregated O ions in the defected titanium dioxide (Ti12O29) is reported. The result illustrates that the O interstitials induce the aggregation of the O-ions. Thus, the formation of the conductive path is attributed to the continuous...

In this paper, using artificial controlled pot experiment to treat Sonchus arvensis L. with different concentrations of cadmium (Cd), the tolerance of Cd in S. arvensis was studied, and the results showed that with the increase of Cd concentration, biomass rises first and then falls, the chlorophyll...

Faced with a large number of questions on the programming OJ (Online Judge) system, students are usually mindless when choosing questions, which is not conducive to helping students quickly improve their programming ability. Programming Knowledge Tracing (PKT) is a technology that dynamically traces...

In the context of the increasing demand for community development across the nation, it has become imperative to study comprehensive community development models, explore innovative community concepts, enhance urban and rural community governance systems, and promote the holistic development of community...

In our research, compared to conventional counter-propagating optical trapping setup, another CCD is used to help detect the focus in the XZ plane and thereby improving accuracy of the setup. Then we use this setup to accurately regulate three types of focus in counter-propagating dual beam optical trapping....

This article introduces a kind of reinforced concrete hollow pillar, the pillar with hollow beam and column composed of reticular cells, each mesh cell in the horizontal direction through the telescopic column connection, in the vertical direction through the internal screw sleeve connection, terminal...

As an information collection and automatic identification technology, barcode can be used to collect information accurately and quickly. So the barcode technology is introduced into the whole cycle of aircraft manufacturing. This paper puts forward the oriented method of the aircraft development cycle...

In order to solve problems including the interpolation error, the distortion of phase information and the huge computational costs by using classical truncated-interpolation based back projection (BP) algorithm for multi-receiver synthetic aperture sonar (SAS), a novel BP algorithm is proposed by exploiting...

The purpose of this paper is to research with the development of urban and regional change and lead to the change of urban vegetation, for the purpose of ecological environmental quality assessment, urban planning and urban ecological security assessment.

Joint-manipulator installed on the intelligent wheelchair robot decides the whole system capability. The kinematics analysis and structure design about mechanical wrist and gripper for joint-manipulator are discussed in this paper. Based on the D-H coordinate method, the kinematic equation of joint-manipulator...

Innovation and entrepreneurship is the basis for the exhibition industry, it is to enhance and develop the fundamental Chinese exhibition industry. How to really improve the quality of education exhibition, cultivate high-quality creative talents has become a hot topic in the exhibition industry. From...

This study uses two essential factors, book-to-market (B/M) ratio, and cash flow to price (C/P) ratio, to generate decile portfolios. Additionally, decile portfolios sorted by two factors from high to low are formed for five years with annual returns. By comparing the five-year average returns of each...

The reform of information teaching in civil engineering specialty is an inevitable result under the background of information age. The course of architectural structure is a very important course of civil engineering, and civil engineering is a very practical major. Most of the civil structure test work...

With the reform and opening up as well as China’s entering of WTO, English has been playing an increasingly important part in various politic activities and major economic events; however, the present traditional English teaching is lack of certain practical skills. In order to have a better teaching...

A quadcopter controlled by PID which uses STM32 as its main control unit and can achieve autonomous goods transporting and positioning with GNSS (Global Navigation Satellite System) has been designed. To control its attitude, a dynamic model has been describe with the collected data of attitude of quadcopter,...

The different mapping systems is analyzed in this paper, and as a way of acquiring elevation with high accuracy and effectiveness, laser altimeter can improve the capability of 3- dimensional earth observation of satellite optical remote sensing imagery. And using high accuracy elevation observation...

The rapid development and extensive application of new media technology has brought great impact on the Chinese marketing field, but also brought many opportunities for the marketing transformation and expansion. In order to present the basic situation of China's marketing development in the new media...

Since the emergence of humanism in the 1960s, the traditional authentic class with the teacher as the center has been gradually replaced by student-oriented class. Correspondingly, there have been various English educational theories and educational approaches based on students. Various teaching approaches...

Research has showed that the excessive use of social media has an impact on the user’s functioning. Young students are among the most vulnerable to the impacts of social media addiction. This study aims to determine the status of social media addiction amongst Chinese college students and access the...

Considering the location demand of radiated noise source in underwater target, the method of location of line spectrum of radiated noise based on passive synthetic aperture method is presented. Line spectrum signal is received using single hydrophone, and azimuth sampling rate depends on the azimuth...

It is proposed that a non-cooperative game model for workload allocation of the plastic mould shop based on the game theories. In this model, the manufacturing tasks were regarded as the players, and the candidate companies correspond to the manufacturing tasks were regarded as the strategies set. Then...

In this article, according to the social science and technology development, through continuous improvement of the key technology of modern product design: ergonomics, 3D printing technology, man-machine ergonomic evaluation, etc. to gradually make the product design process more perfect and mature,...

Artificial intelligence (AI)-driven big data analysis, algorithms and computing power introduce new thinking models and decision-making methods for social science research, reconfigure the research paradigm, and thus enhance the depth and breadth of understanding of social phenomena and the laws of social...

The version change, which cannot be considered as an independent process, is a fundamental factor for designing the workflow model. Due to that the traditional workflow model is unidirectional, it could not identify the range of version change and restart the tasks which are need to be changed. This...

This paper analyzed the annual change and seasonal variation of Cd in Jiaozhou Bay during 1979-1983. Results showed that the highest values of Cd contents in 1979-1982 were confirm to Grade I (1.00 g L-1) of National Sea Water Quality Standard (GB 3097-1997), yet in 1983 were Grade II. For temporal changes,...

The total integrated scattering method for non-contact measurement technology, will not damage the surface of the sample, the instrument has a simple structure, low cost, high speed, high accuracy, less susceptible to environmental factors and other characteristics, has been widely used on the quality...

For the 3D model reconstruction of centrifugal pump inducer based on reverse engineering, the hub and the blade of centrifugal pump inducer are reconstructed respectively according to their structures. This paper firstly introduces the laser scanning method by which the rotary-future based model reconstruction...

This paper summarizes the working principle of laser particle size analyzer, and some experimental study can be made to monitor the number and size of abrasive particle in the oil of lubricant by the laser particle size analysis method. It obtains the particle size distribution of lubricant’s abrasive...