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Studies of education stratification in China has not investigated the roles of family SES and parent-child communication styles in children’s academic achievement. Using data from China Family Panel Studies (CFPS) of 2018, the study focuses on how parent’s communication affect children’s academic performance...

The larger power transformers are greatly affected by the DC magnetic biasing phenomenon, which may cause the local overheating and threaten the safe operation of the power transformer. We aimed at studying the temperature distribution and temperature rise in the power transformer under DC magnetic biasing...

By using powerful secondary development tool MapXtreme and combining .NET development platform, Web Geographic Information System (WebGIS) used for the monitoring of the indoor personnel is designed. The system could display real-time location of the indoor personnel on the electronic map through getting...

Objective To determine the impact of artificial intelligence (AI) on the selected economies in the Asia-Pacific region. Methods This secondary research collected data from macroeconomic and AI-specific data sets. The sources of data from which insights were gained included digital technology sectors...

Curve and surface fitting are important and attractive problems in many applied domains, from CAD techniques to geological prospections. Different methodologies have been developed to find a curve or a surface that best describes some 2D or 3D data, or just to approximate some function of one or several...

Hexagon socket head bolts are widely used in many engineering fields as fasteners and are common and important parts for engineering, but for some hexagon socket head bolts it is still tedious to build the 3D models and assess their reliability. It is important for a hexagon socket head bolt to do reliability...

This paper analyses the development of Internet of Things (IoT) and introduces essential techniques of IoT. In order to solve problems in smart substation construction, this paper analyses the situation of substation construction in Anhui, and proposes an integrated management system of IoT in the Jinxiu...

Fabric simulation refers follow a similar principle by using physical models or mathematical models instead of the actual system to do experiments and research. The purpose of this project is model based on the particle system, according to the basic characteristics of the fabric drape deformation, by...

To improve the applicability of designing scheme of windproof net parameters, according to the existed research results and years of design experience, this essay comes up with the method to optimize the scheme of plane layout of windproof net according to the local environmental conditions of each project...

With the development of science and technology, science and technology of competitive has increasingly important role in promoting the development of undertakings of physical culture and sports. Give full play to the supporting role of science and technology, promote the development of undertakings of...

In order to improve the response and stability on 3D analogue probe, the basic frequency was analyzed on the research of dynamic characteristics.The main components of 3D analogue probe was simplified as a concentrated load model, this paper study the effect of response characteristic and measurement...

The effects of cutting after continuous grafted on the photosynthesis physiology of Lycopersicon esculentum seedlings under cadmium (Cd) stress were studied by the pot experiment, and the photosynthetic pigment contents, photosynthetic characteristics and soluble sugar content of L. esculentum seedlings...

In recent years, with the development of computer technology, virtual reality technology has been paid more and more attention. The scene construction is the foundation of the realization of VRML virtual reality interactive work. For large-scale virtual scene, the amount of data and the mapping file...

The effects of intercropping with four floricultural accumulator plants (Helianthus annuus, Cosmos sulphureus, Cosmos bipinnata, Impatiens balsamina) on photosynthesis of grape seedlings under cadmium (Cd) stress were studied by the pot experiment, and the photosynthetic pigment contents, photosynthetic...

A scheduling and cooperation mechanism for simulations with strict rotation is studied in this paper. The mechanism is designed from 2 aspects of scheduling and cooperation. The scheduling is studied based on the idea of project management. And the cooperation is studied and improved based on the basic...

The paper talked the global pattern of green and low-carbon energy in China. China's economy has entered a stage of high quality development. It should determine the status and function of electric power in building clean and low-carbon, safe and efficient energy system. Based on the long-term research...

Segmenting individual trees from the forest point cloud has significant implications in forestry inventory. This paper presents a novel computational scheme to segment and cluster the 3D point cloud data acquired by an airborne LiDAR. The scheme employs a mean shift-based iterative procedure on the data...

Calculated local diesel-water two phases flow in a tube with elbow were compared with experimental data. The well-known volume of fluid (VOF) model combined with continuum surface tension (CSF) model and an interface geometric reconstruction method was used to simulate the flow phenomena by a computational...

Gas mask in the process of wearing, in the role of breathing air flow, so that the uneven distribution of pressure inside the cover body, resulting in deformation of the cover body structure, so that the protective performance of the gas mask failure. In this paper, this paper takes the gas mask as an...

There are many different processing for 3D printing. The Slicing 3D CAD model is the pretreatment process of 3D printing. Area filling is the necessary step no matter what kind of slicing way is used. In this paper, an area filling algorithm for 3D printing is developed. In which the cubic polynomial...

According to the exact three-dimensional (3D) thermal theory, the steady temperature distribution in a laminated rectangular plate with zero temperature conditions on four lateral surfaces was studied. An analytical method was developed to solve the temperature field in the plate. Firstly, the general...

In the current scenario, the aim of mining operations is to obtain as much usable ore as possible while maintaining a safe and profitable working environment. In open-pit mining and quarrying operations, the stability of slopes is of the utmost importance from both an economic and a safety standpoint....

In order to researching the vibration characteristics of power transformer windings, the paper simulated the electromagnetic and structure coupling field of power transformer aimed at a type S11-M-500/35 power transformer and the 3D model of power transformer is built based on the method of multiple...

3D model retrieval has been becoming a significant research field of modern information retrieval. To target at obtaining a better retrieval results, a novel Cubic Spline Interpolation-Shape Distribution algorithm (CSI-SD) is proposed. On the basis of traditional Shape Distribution algorithm (SD), The...

Underwater Cultural Heritage (UCH) is an extremely valuable resource but yet increasingly threatened. The application of Geographic Information Systems (GIS) is significant in the process of monitoring the UCH. This study will involve a comparative examination of two different case studies: Grotta Naxos...

A pot experiment was conducted to study the effects of grafting on photosynthetic characteristics of potential Cd-hyperaccumulator Solanum photeinocarpum under Cd stress. Four treatments were used in the experiment: ungrafted (UG), self-rooted grafting by the same S. photeinocarpum seedling (SG), self-rooted...

Plate heat exchanger is a kind of compact heat exchanger, which has high heat transfer coefficient and compact structure and is easy to wash.In recent years it has been widely used, but also has the disadvantages of big flow resistance.In this paper the numerical simulation is performed by using the...

With the development and popularization of computer technology and the Internet, people have entered an information-based society, and the traditional teaching mode cannot meet the needs of teaching. Now online teaching has become a common education method. The long-distance real-time interaction function...

Paper selected paludification meadows lobular chapter of the dominant species as the research object, analyses the Calamagrostis angustifolia rhizospheric microecosystem carbon source estimation method and its intensity throughout the growing season Calamagrostis angustifolia rhizospheric microecosystems...

The Japanese language proficiency test is the largest Japanese examinations in the world. This paper based on the NHibernate technology of .NET platform for the score management system to conduct the persistence layer design, to provide technical support for software development. Firstly, research on...

Mine planning and design require large amounts of the data; these can be handled very well by the application of suitable hardware and mine planning software. These mine planning software offers a complete 3D-dimensional visualization of the deposit and mine, allowing for any orientation to be rotated,...

Urban Traffic Flow Guidance System (UTFGS) may cause the overreaction and concentration of travelers and lead to the phenomenon of Braess Paradox. The paper develops a constrained K-shortest paths algorithm within a dynamic restricted searching area in consideration of realistic road network spatial...

At present, rarely research is done about the loading process of cable net curtain wall with spring mechanism, therefore, how to select the spring stiffness at the cable end and what role the spring play in the process of loading become the very concern for curtain wall designers. Therefore, based on...

In order to solve the current college admission work problems like workload focus, department coordination problems, and low artificial statistical efficiency, on the basis of college admissions requirements analysis, this paper proposes the use of big data to collect admission work data in each link...

Aiming at humanoid robot’s dual-arm collision avoidance motion planning, this paper firstly establishes kinematics model for humanoid robot and mathematic model for Workspace Target Areas (WTAs). Secondly, it has deduced inverse kinematics formula based on DLS-SVD method and proposed a bi-directional...

This paper presents a robotic system for surface measurement, and which was designed in the form of “Scanner + Robot + Position-adjustor”. Firstly, the main components in the system are briefly introduced and the working principles are described. Then, a series of key problems involved in the system,...

Network externality is a vital characteristic of the products in economics of networks. Network congestion will lead to negative network externality when digital products are communicated in the net. It will effectively decrease the negative network externality via developing a suitable pricing mechanism....

A novel algorithm based on the iterated unscented Kalman filter (IUKF) is proposed in this paper to train the weights and bias of the neural network. In the proposed algorithm, the weights and bias are considered as the states, and the outputs of the network are used as the measurements for the IUKF....

The fictitious stress method (FSM) based on analytical integral of Kelvin’s solutions to calculate displacements or stresses have been proposed by K.Kuriyama. The paper represents the procedure how to use this method to compute stresses and displacements of rocks underground, and a modeling method for...

The paper collect the data of industrial waste water, industrial waste gas, industrial solid wastes, foreign direct investment (FDI) and net export of Jiangsu Province from 1995 to 2014 ,with the methods of econometrics and E-views, to analyze quantitatively the relationship between FDI of Jiangsu and...

A colored Petri net is used to model the job shop scheduling problem with dual-resource constraints. The objective of scheduling problems is to minimize make-span. Firstly, the Petri net model of the flexible JSP is constructed based on object-oriented approach. Secondly, GA is applied based on the colored...

The network wiretap biggest challenge to the network safety. Chaperonage network technique of continuously development, make ether net safety problem research more and more importance, involve a network safety the realm have many safety technique, but these technique of realization all demand depend...

This study addresses the key scientific problem that the mechanical properties of barite concrete differ significantly from those of ordinary concrete due to the special material characteristics of high density and high brittleness of aggregates, and adopts the method of fine-scale mechanics to carry...

With the development of the 3d industry, 3d video quality assessment method has become one of the hot spots. But now the main research directions are concentrated in reference stereoscopic video evaluation method and subjective evaluation method, which also have made some progress. Objective no-reference...

Combining colored Petri net with object-oriented technology, a new object-oriented colored timed Petri net (OCTPN) method was proposed and the scheduling model of a dual-resource constrained job shop was built. The model has good reusability comparing with the model built by process-oriented technology....

The large space building fire source locating technology is an important link to automatic fire detection and extinguishing. This paper introduces a method that determines fire source location using three-dimensional reconstruction techniques based on accurate fire detection. The process includes: feature...

Since the 18th National Congress, Shandong’s economy has undergone profound changes. The GDP growth rate has fallen below the China’s national average for the first time in many years. The output value of the tertiary industry exceeds that of the secondary industry, but it is more dependent on the development...

The PMVS algorithm due to lacking of geometric constraint during expanding spare points to dense points cloud, resulting in error vertices which are generated from Poisson surface reconstruction. In This paper we consider facets around the expanding one at the same time, then detect the outlier vertices...

In order to study high speed drilling mechanism of carbon fiber reinforced plastics, a simulation on drilling is conducted by using FEM analysis software Deform-3D. The dynamic simulation of the drilling process of carbon fiber reinforced plastics is carry on basing on the elastic-plastic theory of material...

At present People usually uses visual report design components to simplify the report design, But this means reducing the reusability of software development and working efficiency .Aiming To raise the efficiency and reuseability of software developing ,This paper introduces a new parameterzed Report...