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Currently, visual saliency detection has been discovered and widely applied in the field of computer vision and image processing. Recent works have shown that considering human visual system features in image quality assessment will improve the consistence between objective assessment results and subjective...

A novel image steganography method using chaotic map and human visual model is presented in DCT domain. Firstly each 8×8 image block is performed Discrete Cosine Transform, then the location of image block that is embedded secret message is determined by the chaotic map. Finally the secret message is...

At the two embedded solid depth, research on the displacement, bending moment and shear stress of micro-pile composite structure have been studied based on the FLAC3D program. Results show that: micro pile maximum bending moment occurs in the vicinity of the sliding surface, the maxi-mum shear stress...

The article reviews the theoretical foundations and analyzes the practice of the project approach and its financial support in the context of structuring the management decision-making process based on the basic theoretical and methodological principles of management and finance. Attention is focused...

With the rapid growth of Internet users, how to quickly find the hot spots and sensitive topics of forums, microblogging and other social networking sites, to achieve forecast and early warning network of public opinion, it’s a huge technical challenge to the researchers. In this paper, Redis memory...

Form the situation of military aircraft use civil airports, in order to improve the efficiency of the civil airport parking position, this paper gave a new idea that military and civilian aircraft use a shared parking position together, studied capacity and utilization of shared paking position, computed...

After analyzing the meaning and ways of electric system load prediction, this essay illustrates the general theory of the BP neural networks and study the load pre-diction methods based on BP neural net-works. It analyzes the neural networks sample value methods, performs encum-brance for historical...

Based on wireless sensor network technology, this paper focuses on the study of the problem of heterogeneous seamless integration of multi-sensor nodes and puts forward a correlation protocol concerning SMAC multi-point, multi-type sensor network nodes self-organizing wireless networking application....

We use Fama-French to empirically analyze 2,288 portfolios of 26 China stock market industry sectors from 2016 to 2020 of industry sectors. The results show that: Although factor effect is common in China stock market industry sector, it shows obvious difference in factor dominance, among which 19 and...

Recently years many large lakes are eutrophic or in serious state of eutrophication. And most eutrophic water from phosphorus control action is the amount of input, so how to effectively reduce the phosphorus content of sewage has become noticeable within the field of environmental protection issues....

With the outbreak of the COVID-19 epidemic in 2019 and its trend of turning increasingly serious, nearly all the movie theaters nationwide have been shut down, and the loss has reached over 100 billion. Since people are living in a generation where the Internet is booming, many of them still prefer to...

Communication barriers between the Deaf and hard-of-hearing (DHH) community and the hearing population in Bangladesh persist due to the lack of automated Bengali Sign Language (BdSL) translation tools. This study proposes BdSL-Net, a real-time BdSL recognition framework based on computer vision and deep...

By taking Apple as an example, herein, multiple linear regression analysis of sample data was carried out to obtain the conclusions of the influencing factors of cash dividend policy of listed companies. The results show that the company’s short-term solvency has significant impact on the payout ratio....

Nine combinations of Cd2+ (0,2.5,5mg•L-1) and microbial flocculant (0,10,20mL•L-1) were set, and the hydroponics was adopted in this experiment to explore the effect of microbial flocculant on the rice growth and Cd accumulation under Cd stress, and chlorophyll content, net photosynthetic rate, plant...

The purpose of this paper is to compare the accuracy of two investment decision-making methods, Net present value (NPV) and Internal rate of return (IRR), using four different hypothetical investigations, and to briefly assess the limitations of the NPV method. The use of the IRR rule results in incorrect...

Each parents always want the best for their children. But in reality, not all children are lucky to get good treatment. In reality, many children become victim of commercial sexual exploitation. The presence of handling net for the victim in Surabaya is expected able to give protection guarantee for...

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...

As the development of spacecraft, the multi-system leak detection is needed. The multi-system leak detector on spacecraft by QMS (quadrupole mass spectrometer) has been developed and it has been used in the new spacecraft successfully. The problem of repeat and reliability of QMS in long time is avoided....

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...

This paper analyzes the features of vocabulary use of TEM-8 compositions (Test of English for English Majors Band 8) and third-year English majors’ compositions at Guangxi University based on the calculations of RANGE, SPSS 19, and the Jukupigai automated scoring system. This research aims to identify...

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...

Research-based on local wisdom has been carried out to facilitate students to learn not only about science that has its roots in the west but also about local wisdom from ancestral heritage and applies from generation to generation, especially about food security. This research is a case study that aims...

Early childhood aged 5-6 years should be able to control hand movements using fine motor skill. However, in Karawang Regency, most of early childhood aged 5-6 years have fine motor skills disorders which indicated by a lack of ability to hold a pencil, control hand movements, cut to follow patterns....

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 study the dynamical behavior of stiffened plates of steel box girder with trapezoidal stiffeners, FE software ANSYS and its secondary development are used to build the model of the stiffened plate. The plate, transverse diaphragms and trapezoidal stiffeners are all modelled by Shell63 Element,...

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...

The alternate directions implicit finite difference beam propagation method is used to analyze the two-dimensional symmetrical multimode interference couplers. The positions of the images at the output plane and the length of multimode waveguide are accurately determined numerically. In order to reduce...

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...

This paper focuses on a large kitchen fume gas purification device newly designed by numerical simulation using FLUENT software. The velocity distribution and pressure distribution within the whole device are simulated. Particle trajectories of different droplet diameters (5 m, 8 m, 11 m, and 15 m) are...

Objective: this paper studies the effect of group psychological counseling on the improvement of college students’ social adaptability and provides theoretical basis for the improvement of college students’ mental health. Methods: a total of 84 second-year undergraduates were randomly selected as subjects....

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...

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...

Due to the fierce market competition and the heavy impact of Covid-19, budget hotels are facing great challenges. In order to maintain competitiveness, it is necessary for budget hotels to have a smart technology solution system from a customer perspective in order to win customers at a relatively low...

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...

For most departments of a selected university, this article first calculates the matching comparison performances of correct selection rate, the reserve rate, and the distribution rate, in the 2014-2016 academic years and the 2018-2020 academic years respectively; Then, it compares the difference of...

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 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 series of binary mixtures of adipic acid (AA) and erythritol (Ery) were prepared and the thermal properties were investigated in this study. The results showed that a eutectic mixture was formed when the mass ratio of adipic acid and erythritol reached 1:7. The eutectic mixture displayed a melting...

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...

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....

Hardness forming ions such as Ca2+ and Mg2+ in cooling water tended towards scale on the surface of the heat exchanger, resulting in reduction of heat transfer efficiency. In this paper, by using DSA electrodes, effects of operational conditions on water softening was evaluated by Lab scale experiments....