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Learning theories’ development has brought teaching modes’ improvement. Project-driven teaching method is just a new teaching mode which is based on the modern constructive learning theory. It emphasizes people-oriented, student-centered and project research. Applying the project-driven teaching method...

There are several ways to realize inertia force propulsion. In this paper, we use an eccentric mass block rotating along the circular orbit to achieve, and the structure is symmetrical to counteract lateral movement. We have established the mathematic model by using Lagrange equation, and have got the...

In order to fully understand the anti-fatigue performance of KT-joints in the all-welded steel truss of Haihe Grand Bridge in Tianjing, two experiment--one fatigue test using a full-scaled KT-joint and the other fatigue test using two groups of T-components (a total of 8 components) cut out from the...

The higher order crack tip fields for anti-plane crack in functionally graded piezoelectric materials(FGPMs) under mechanical and electrical loadings are investigated. Although the elastic stiffness, piezoelectric parameter, and dielectric permittivity of FGPMs are assumed to be exponential functions...

Improvement of power factor can reduce resistive power losses, increase the bus voltage and in many cases improve motor performance in an industrial enterprise power network. The regulating elements implemented in the network include transformer tap changers, generators regulators, static shunt capacitors....

In this work, the whole cell biocatalyst of Rhizopus oryzae lipase (ROL), a versatile lipase for biodiesel production, was successfully developed through surface display technique using a-agglutinin 2 (Aga2) as an anchor protein and Saccharimyces cevevisiea as anchor yeast cell. The enzyme properties...

As one of the most important components of the wetland ecosystem, microorganisms play an important role in all kinds of ecological processes. Those ecological processes of wetland microorganisms are mainly represented by elements cycling, material transformation, energy flow and ecological restoration....

Because of the characteristics of the high speed train and its operating environment, the high speed train is in an unstable state. As a very important part of the high speed train, the train wheel set is also influenced by other external factors which are very complicated. In this paper, the vibration...

A professional learning community is an effective approach to teacher development. The paper firstly presents relevant theory of a professional learning community, and then reports the exploration of a professional learning community of university English writing teachers. The study shows that this practice...

The production and business units are the main body of responsibility for safe production. Implementing the main responsibility is the basis and premise for promoting safe development and preventing production safety accidents. It is also one of the outstanding shortcomings of current safe production...

Objective: To make a study of the distribution features of ticks in south of Henan and the SFTSV and HGA. Methods: From January to December in 2015in Xinyang region of Henan Province the artificial cloth flag method and surface pick tick method were collected field of free ticks insect and animal body...

To study the effects of intercropping on nutrient absorption of plants under cadmium (Cd) stress, a pot experiment was conducted to study the effects of intercropping with four Bidens species (Bidens bipinnata, Bidens pilosa, Bidens parviflora and Bidens biternata) on the nitrogen (N), phosphorus (P)...

Cheating in education examination is forbidden strictly by law, but it is still overwhelming in china. It influences school selecting excellent talents and keeping order. On the basis of collecting data and typical cases in education examination by statistics method, the author analyzes the relevant...

Under the new situation of vigorous development of emerging technologies such as big data, artificial intelligence and Internet of things, the cultivation of compound, innovative and engineering talents is the mainstream requirement of new engineering education, which makes the information-based teaching...

Based on current situation of undergraduate employment difficulty in recent years, this paper makes a comprehensive analysis of reasons resulting in university graduate employment difficulty through reviewing and summarizing research results of different scholars at home and abroad, including social,...

To study whether the hybridizing could promote the growth of F1 hybrids of vegetables under heavy metal stress, a pot experiment was carried out to investigate the effects of reciprocal hybridizing on growth of F1 hybrids of two genotypes of Brassica juncea var. megarrhiza under cadmium (Cd) stress....

Asynchronous motor has simple structure, low cost, comparable to DC motor control performance when using the vector control technology. This paper focuses on the three-phase asynchronous motor which account for most of the proportion of the AC machines. Firstly, this paper builds the vector control system...

In the context of the new media era, the commercial value of sports stars shows a trend of extending from on-field performance to social influence, and their idolization characteristics are becoming more and more significant. At the same time, the rapid development of artificial intelligence and virtual...

Along with the development of market economy and the deepening of higher education reform, vast majority of colleges and universities operate specialized course of economic law to promote the all-round development of students and to better meet the society’s demand for innovative and entrepreneurial...

Based on the modified LSV model, this paper measured the herding behavior of the 6 types of institutional investor via three aspects. We got some new findings: 1) The fund’s herding behavior is the most serious in all kinds of institutional investors, and the fund shows no the professional ability in...

Global Offset Table (GOT) is an important feature to support library sharing in Executable and Linkable Format (ELF) applications. The addresses of external modules’ global variables and functions are runtime resolved and stored in the GOT and then are used by the program. If attackers tamper with the...

By applying presentation approach in C-E translation class for vocational English-majoring students, this paper probes into the effectiveness of giving presentation of lexical translation on C-E classes. Through study, it was discovered that giving presentations could not only help students boost their...

The cadmium (Cd) accumulation characteristics of Lycopersicon esculentum seedlings were studied by the pot experiment, and different soil Cd concentrations (0, 1, 5, 10, 15 and 20 mg/kg) were used. With the increase of soil Cd concentration, the biomass and photosynthetic pigment content of L. esculentum...

In the period of socialist construction, Mao Zedong first explicitly put forward the theory of basic contradictions of society, and creatively put forward the theory of basic contradictions of socialism, providing theoretical support for our exploration of social issues in the new era, creating a theoretical...

Service design is a systematic work, and the high degree of complexity requires designers with a high level of design skills, but also need to have innovative thinking ability, so as to ensure the optimal structure design clothing. For haute couture, the fashion design belongs to a very important branch....

In today’s risky society, especially in the complex context of non-traditional factors such as economic globalization, social information, and cultural diversity, the NTS-type public safety risks, such as violent terrorist incidents, information security threats, food and drug environment security risks,...

This paper analyzes residential requirements of low-income class to micro houses. It discusses many practices in China such as capsule houses, youth rental apartment and Vanke micro house. It suggests that micro house design should strengthen outdoor spaces, and develop with prefabricated, productive...

The cooperation of Beijing-Tianjin-Hebei government is very important to the coordinated development of Beijing-Tianjin-Hebei manufacturing, and is of great significance for promoting the development of regional economic integration of the Beijing-Tianjin-Hebei region. Combined with the characteristics...

Surface pits in a-plane GaN have long been considered as a result of island coalescence in literature, while pits in c-plane GaN are the surface termination of screw dislocations. It is found in the paper that small surface pits on a-plane GaN also terminate perfect screw dislocations and partial dislocations...

The experiment studies the frost resistance of high titanium heavy slag concrete by conducting 50 cycles of freezing and thawing on the high titanium heavy slag concrete test block with the standard slow freezing method. It researches the effects on frost resistance of high titanium heavy slag concrete...

A low cost indirect type AC voltage regulating system is proposed to overcome the grid pollution of silicon controlled regulating circuit and the high cost of chopping sine wave regulating circuits. The system consists of full bridge rectifier, filter and full bridge inverter. The bipolar SPWM control...

Helicopter-based LiDAR system due to high input cost and personal risk resulting in a certain restrictions on overhead power lines. With the developed application of UAV platform for power lines surveys and miniaturization of LiDAR device, the integration of UAV-based LiDAR system comes to maturity and...

Negative Transfer has always been the focus of translation teaching. This article sets off exploring the method against negative transfer on lexical level in the course of C-E translation by adopting Presentation Teaching Method. Through teaching experiment, it was discovered that giving presentations...

Pretreatment of lignocellulose is a key step in a commercial biorefinery. To increase the cellulose mass fractions and enhance the enzymatic hydrolysis, sugarcane bagasse was pretreated with methods of dilute acid, dilute alkaline and acid coupled alkaline. The efficiency of these three methods is compared....

With the increasing voltage classes of electric system, voltage stabling issue brings more and more severe constrains to the entire electric system. A throughout analysis of features and mechanism of voltage instability in electric system has guiding significance in assuring stability of the power grid....

Contradiction and pressure from transformation and upgrading has been turning into deep consideration about higher education talents training following the completion of 30-year of economic reformation in China. Higher Education is the fundamental engine for sustainable economic development. The appeal...

Cutting effect was unconsidered so far for Chaff Corridor (CC) both in theoretic analysis and operational engineering; different position's Blanket Efficiency (BE) of constant chaff-density CC is different as results of radar-lobes cut a chaff volume, which means there are limited chaffs which have jamming...

We propose a new approach based on estimating illumination veil. The algorithm for non-uniform illumination of fog image has a good result. Given a degraded image, minimum intensity of RGB components of each point can be figured out as haze energy veil with the proposed guided filter, subtracting the...

As the main medium and foundation of science popularization, science popularization base is the core of science popularization. In 1999, in order to promote the development of social science popularization, the China Association for science and technology began to establish a national science popularization...

Wide band gap hydrogenated amorphous silicon oxide(a-SiOx:H) films were prepared by radio frequency plasma enhanced chemical vapor deposition(RF-PECVD) method. Nitrous oxide(N2O), hydrogen(H2), silane(SiH4) were used as source gases. With the increase of N2O/SiH4 ratio from 0.5 to 2, the optical band...

Track allocation problem in railway stations with stochastic viewpoint is a crucial part of the planning processes for railway companies. This paper proposes a stochastic schedule based optimization model to solve the station track allocation problem that considers minimum occupation time of station...

Digital transformation has become a must for the vast majority of companies around the world. The development of information technology also means that enterprises avoid atomistic competition and become active participants in the supply-chain network containing multiple businesses and relationships....

This paper presents a non-resonant dc magnetic field detector, which is composed of two aluminum strips and shear-mode piezoelectric materials. The operation of the magnetic field detector is based on the Ampere forces resulting from the current-carrying aluminum strips in dc magnetic field and the shear...

In recent years, the Massive Open Online Courses (MOOC) increasingly raised people’s wide concern. MOOC provides students a new approach to acquire knowledge and a new model to learn It becomes important learning method in Internet times and brings great impact to college education especially to computer...

As Brake-By-Wire technology matures, ideal distribution of front and rear wheels braking force was available for PHEV through electro-hydraulic braking. In order to study the impact factors of regenerative braking recovery rate of this system, PHEV traveling on the flat and level road is analysed theoretically....

The tank detection display system is an basic component of the tank integrated simulator. This paper describes the design process of virtual instrument for tank integrated simulator based on LabWindows/CVI. The hardware architecture and diagrams of system are introduced first. The software module architecture...

This paper starts with constructing the optimal process of shale gas economic indexes through selecting suitable statistics and prediction methods to confirm the major evaluation parameters of shale gas, such as single well recoverable reserves, single well composite cost and gas price. Then, economic...

In this paper, a digitally controlled full-bridge LLC resonant converter based on DSP is designed. The frequency conversion control method is adopted to keep the output voltage constant and achieve the soft-switching of the switches. In this paper, the modes of operation of the full-bridge LLC resonant...

In this paper, we propose a new entropy measure with geometrical interpretation of intuitionistic fuzzy sets. Compared with the entropy measure provided by Szmidt and Kacprzyk, the new entropy formula in this paper can measure both fuzziness and intuitionism for intuitionistic fuzzy sets. According to...