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In this paper,industrial grade chitosan as the raw materials,HAc-H2O2 synergistic oxidative degradation method was used for degradation of raw materials,the influences in the reaction process with different chitosan dosage on the yield,the viscosity and the degree of deacetylation had been studied systematically.The...

Purpose: This study aims to find out how tutoring services for ASD children are, their needs and obstacles. Methodology: This study uses a qualitative approach with a phenomenological design. Through 3 data collection techniques, namely observation, interviews, and literature study. Test the validity...

This paper proposes a smart domestic gateway used to manage power consumption, which realizes the interoperability across wireless sensor network (WSN), Wi-Fi and Internet. This system achieves smart home power consumption management. The implementation of hardware and software of the gateway has been...

Wigner-Vill distribution (WVD) will inevitably have cross-terms when it used for time-frequency representation in a multi-component signal. In order to suppress the cross-terms in Wigner-Vill distribution, this paper proposes a joint algorithm based on EMD-ICA. This algorithm resolves a multi-component...

Subject of article is the assessment of descriptive and optimization models of the effect of taxes on economic growth. Work purpose is based on the analysis of the basic models of economic growth (taking into account the tax factor) of foreign and domestic authors to identify the features, advantages...

The rapid evolution of 6G IoT networks demands innovative solutions for energy efficiency, security, and intelligent automation. This paper proposes an AI-driven energy-efficient 6G IoT system integrating TinyML-powered IoT devices, edge computing, blockchain security, and digital twin optimization to...

This research explores the relationship between electric vehicle (EV) adoption and green sustainability in Indonesia, with a particular emphasis on the mediating role of government policies. The study analyzes three key variables: EV adoption as the independent variable, government policies as the mediator,...

As one of the main research directions of machine learning and CNN (Convolutional neural network), Autonomous vision and decision-making have many kinds of applications in various fields, especially in Driverless cars and decision-making on highways. In recent years, Tesla, HUAWEI, Google, and Microsoft,...

In order to improve the flow velocity control accuracy of hyperthermia apparatus, reduce the overshoot and steady-state time of system, a fuzzy PID control algorithm is proposed in this paper. The algorithm is the composition of fuzzy control and PID control, which makes the system not only has a fast...

Schizophrenia is a long-term, lifelong chronic disease that must be treated for a long time. In recent years, cognitive-behavioral therapy (CBT) in patients with schizophrenia has attracted clinical attention. However, it is studied limited in non-western culture. Schizophrenia has become a prominent...

Based on the traditional web services, the Internet of Things(IoT) service provides real-time information, sufficient information support and necessary decision basis for the IoT applications. However, due to the inconsistency of the interfaces and protocols of the IoT, it brings a higher cost to the...

This paper summarizes three kinds of improved strategies for ant colony optimization algorithm: the improved strategy based on the structure of solution, the improved strategy based on the pheromone updating, and the improved method based on the solution processing. Taking the ant colony system as an...

According to the present situation of quantity expansion, young tendency and insufficient training mechanism of college teachers, this paper first analyzes the necessity of enhancing teaching skills of college teachers, then discusses the main problem existed in current teacher training mechanism, finally...

In order to filter out all kinds of interference noises in batching control and improve the precision of the ingredients, a morphology filtering method was used in data processing which is the combination of morphological open-closing and close-opening. When the morphology filter is used to de-noise...

Software product innovation is increasingly emphasizing the importance of users’ participation. But most of the literature regards users as followers of software suppliers. It is rarely discussed in the context of users having the ability to provide and promote information products and services. The...

In order to characterize the time-varying of asset pricing factors with macroeconomic conditions, on the basis of the CAPM model, this paper takes the new variable constructed based on the Treasury bond yield as the variable to characterize the market premium, and pricing model for the stock returns...

In this paper, a modified natural boundary element method (MNBEM) by using a modified DtN operator to improve the natural boundary element method (NBEM) is proposed for Neumann BVPs of the Helmholtz equation on unbounded domains. We prove the existence and the uniqueness of the solution of its variational...

Periodic signal has practical applications in many occasions the periodic signal met Dirichlet’s condition can expanse in Fourier series.Usually series expansion coefficients indicates the amplitude of the signal harmonics. Only the mathematical expectation for the known periodic signals using Fourier...

This paper applies box-counting model to study the fractal characteristics of 17 sub-watersheds in the study area from Badong county to Zigui county in TGP reservoir region. The results indicate that the small watersheds have obvious fractal characteristics and that fractal dimension values of sub-watersheds...

In order to understand the relationship between high school students’ academic stress and sleep quality, 100 high school students in Beijing were tested by PSS Perceived Stress Scale, Pittsburgh Sleep Quality Index and Big Five Personality Test. The results showed that there was a positive correlation...

The impact that COVID-19 brought to the global economy has not yet been eliminated, especially for the retailing industry. At this new stage, we apply the value investing method to analyze investment opportunities in the post-epidemic era. [1] This research will use cases from three companies: PepsiCo,...

Exotic options have becoming more popular in the markets. We designed a new over-the-counter product by working on a combination of basket and lookback options and explained its rationale. To value the derivative, we constructed a pricing model in Python using the Monte Carlo method. For a sample simulation,...

Aiming at the multi-sensor multi-target assignment (MSMTA) problem under complex air defense combat environment, a new MSMTA model is proposed with the compositive combat efficiency of the identification, tracking and positioning stage. And then, the quantum particle swarm optimization (QPSQ) algorithm...

The braking performance is one of the most important active safety performances of vehicle, which plays a key role in the traffic safety. It is necessary to research on braking efficiency and it becomes a hotspot to express the braking performance scientifically and rationally. To improve braking capability...

Many countries are conducting research on the live-line maintenance robots. Trajectory plan of the manipulator is introduced. Propose a method of trajectory plan. Using Cubic polynomial interpolation algorithm, the joint angle solved by inverse solution can be determined by plan_ algorithm, and the plan...

For reducing the communication overhead of data aggregation, authors proposed an inner-cluster data aggre- gation scheme for wireless sensor networks. Agent nodes are selected with assist of location information and only the nodes have different readings with agent nodes transmit their data to cluster...

According to the time-series data from 2001 to 2011 and based on test of the residual and stability of VAR and by using the impulse response function and forecast valiance, this article established vector auto regressive model to analyze the dynamic relation between the development of Gansu small and...

This paper explores the cognitive factors that can adjust the other-race classification advantage (ORCA). 26 Han people and Uygur ethic people were selected to complete the event-related potential (ERP) experiment on different ethnic race classifications. In the experiment, the participants were required...

Engineering site selection is the starting point and basis point for construction engineering to play its function. The quality of site selection decision is of great significance to the construction of engineering projects and the operation of follow-up facilities. This paper after analysing the four...

This study uses data from the Food and Agriculture Organization (FAO) of the United Nations to investigate the relationship between agricultural CO2 emission, production, and related socioeconomic factors. First, we gather and process emission and production data, and then organize data based on country,...

Rhapsody in Blue is a typical work of the famous American composer George Gershwin’s Symphonic jazz, Blues is the core element of Rhapsody in Blue. With the help of the innovative Use of Blues segments, Rhapsody in blue not only has a positive, lively and energetic rhythm, with many typical and living...

The backup rolls are used with work rolls and their service period is much longer than work rolls. The backup roll affects the control ability of the mill for profile and flatness of products and roll contact pressure. If the backup roll contour is not appropriate, there will be a non-uniform roll contact...

The literature review found that the core strength of the studies focus on sports training, and is applied to university teaching and research in fitness is relatively small Physical Education is the key to promoting core strength training and platform, core strength training for improving physical and...

While entering into the era of big data, seeking the secrets hidden in the data has become the main target in every single industry. This paper states the definition of data mining in the era of big data and interprets data mining methods in current popular industries such as sports, music, and health...

With the continuous development of network technology and information transmission, the new media age with mobile phone and Internet as the main part has come, which make the way that people receive information has changed a lot. Competition between we media platform is becoming increasingly fierce....

In this paper, the index curve model and hyperbolic model are analyzed. And the settlement value of a real project is forecasted based on these models. The research show that the index curve prediction results relatively conservative. And the cross section of subsidence prediction shows that there is...

This paper introduces the design method of face recognition system is a kind of BP neural network. This design uses the forward backward propagation algorithm of multi-layer neural network, BP algorithm, BP neural network for face recognition was built by using MATLAB software, and the use of facial...

In recent years, the large quantity of data generated by all-pervasive network terminals brings various industries into the age of big data in a leap-type mode. And it is the same for the field of engineering cost. This paper comprehensively uses the current emerging data mining technology and software...

The preparation process of waste banana stem adsorbent and the conditions of removing Cr were studied. The experiment results showed that the saturated adsorption capacity of banana stem adsorbent with phosphoric acid reached 5.84mg/g, over 95% of Cr(VI) and 70% of total Cr can be removed from water...

In order to improve the kill efficiency of the fighter aircraft under the complex electromagnetic environment, the anti-interference capability of all kinds of dogfight weapon is analyzed, a method of the double dogfight weapon fusillade is adopted to improve the kill capability of fighter aircraft....

At present,traditional Space Vector Pulse Width Modulation (SVPWM ) technique has been widely used in the variable frequency speed control system,but this technique makes the system produce components of high harmonic wave at integer times of switching frequency.Thus inverter produces conducted Electromagnetic...

The earning of the investors in the stock market is related to their investment choice and the behavior of the stocks. The key to investors making a more intelligent investment decision is to predict the price and volatility of the stocks accurately. In addition, building a portfolio formation is also...

In this paper, we propose complex projective synchronization method to realize synchronization of two chaotic complex systems with disturbance. Base on the theory of the Lyapunov stability, we design adaptive feedback controller to realize complex projective synchronization of master-slave chaotic complex...

SUV (Sport UtilityVehicle, SUV) HCG (Height of Center Gravity) is higher, relatively low rollover stability, higher rollover accident rate has become an important issue for cars safety. In this paper, Firstly, four-DOF kinematics theoretical vehicle model was established then combined with a SUV development...

This paper reports on dynamic characteristics of a cable-towed acoustic array system during ship’s loop turning maneuvers with a lumped parameter model. The transient behavior of the towed sonar array given rise to the tow-ship’s loop maneuvers with different towing speeds, tuning radii, and current...

In order to steadily promote school restructuring and development, application of technology to improve the quality of talents training, school-based research paper uses case studies and other methods proposed restructuring and development of local colleges and universities need to study the basic conditions...

With the green bond market in China expanding rapidly, this study examines the relationship between environmental information disclosure and the cost of green bond. It showed that there was a negative relationship between environmental information disclosure and green bond financing cost. Further, green...

Cohesion and coherence are essential elements that have a role in forming structural coherence and coherence of the meaning of discourse texts. The formation of a coherent structure and semantic relationship cannot be separated from using the correct elements of cohesion and coherence, which are marked...

Nowadays, many people think that our world is surrounded by entertainment step by step, especially for children. When customers go to the supermarket, Lego is one of the most popular toys. Therefore, detailed research was conducted about Lego’s business model analysis. As a large toy company controlling...

This paper is based on incentive theory to analyze which factors will influence director compensation. We search data from 2017-2020 American internet firms, through correlation analysis we find a weak relationship between director compensation and these factors. Then we find director compensation is...