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The population issue is related to regional economic development, and population changes will affect the formulation of the regional basic policies, the arrangement of labor and employment. Huizhou is located in the Pearl River Delta Economic Belt of Guangdong Province in China, with a high population...

This study explores the relationship between working capital management (WCM) efficiency and corporate financial performance using panel data from 1,200 non-financial listed firms across 10 emerging economies (Brazil, Russia, India, China, South Africa, Indonesia, Mexico, Turkey, Thailand, and Malaysia)...

Data mining is used to find useful information from massive data. Frequent pattern mining is one important task of data mining. Recently, the researches on frequent pattern mining for semi-structured data have made some progresses, and it also have a lot of focuses for data stream. However, only a few...

This paper presents the design of a 6GHz track-and hold circuit with input bandwidth. The track-and hold circuit adopts the design simulation of HBT process, able to work at a sampling frequency of 2 GHz, the highest sampling frequency can reach about 2 GHz. The SFDR of the track-and hold circuit can...

According to the calibration principle of the MATLAB calibration toolbox, the transformation relations between four coordinate systems used in camera calibration are analyzed. On this basis, MATLAB calibration toolbox is used to simulate the corner point calibration algorithm of the checkerboard, and...

As the most innovative growth in our national economy, the small micro enterprises play an important role in the prosperous market economy, boosting technological innovation, promoting employment and maintaining social stability, etc. It is vital practical significance for continuing to promote the health...

This paper describes the design of the architecture and circuit block of the RX receiver's equalizer, which is used to reduce the inter-symbol-interference(ISI) in high-speed transmission backplane, and a 3,75Gbps configurable Continuous Time Linear Equalizer (CTLE) and 3-tap configurable Decision Feedback...

As the pilot areas of the national comprehensive urban and rural reform, Chengdu and Chongqing first carried out their reform of the rural land property right system and explored its practicality. Both Chengdu and Chongqing initiated the core values of "empowering the peasants" and "land capitalization."...

whereas the special group, such as the elderly and patients, are easy to fall down in alternating between sitting and standing postures, this paper proposed to combine the TRIZE theory with ergonomics and conduct innovative design on special-group auxiliary wheelchair. by using the theory of TRIZ innovation...

This study is to detect and evaluate the safety of interventional treatment in gynecological disease. Method: Interventional treatment was performed on 43 cases of gynecological patients. The surgery time information was statistically collected. the collateral circulation establishment was investigated,...

Hidden Markov model has been widely applied in various fields and has obtained excellent effects. In this paper, we verify the feasibility of applying HMM to quantitative finance and the potential to obtain stable profits and detect coming bear market to avoid sharp falling process. We creatively make...

The nexus between Environmental, Social, and Governance (ESG) disclosure and corporate risk management is increasingly pivotal, yet empirical evidence from emerging markets remains fragmented. This study investigates the influence of ESG transparency on firm risk—specifically total and idiosyncratic...

In the new stage of the development of “Internet + Education”, online teaching is not only a teaching form, but also an important link in the modern teaching system of colleges and universities. However, there are outstanding problems in the current online teaching process from the construction of digital...

In the 2020 Child Friendly Schools policy guidebook, it is explained that the Child Friendly Schools (SRA) policy is a mandate to protect children wherever they are. To make this policy successful, a lot of efforts are needed that are carried out thoroughly and involve all sectors including the children...

The purpose of this study is to investigate how environmental investment and good corporate governance (GCG) affect sustainable company value where company size as control variable. This research uses the secondary data on 30 manufacturing companies that listed in the Indonesian Stock Exchange for the...

Knot is the commonest surface defect, which has the greatest impact on lumber. A image processing method was designed using Matlab image processing toolbox in this paper, which combined with mathematical morphology theory. Based on plenty of experiments, two turning coordinate points of piecewise linear...

Data fusion of traffic parameters such as speed and density is a crucial study in intelligent transportation system, yet complicated to formulate mathematically. The aim of this paper is to study and model the multi-source fusion traffic flow data. Based on the data detected in a mega-city, the regression...

One of the learning practices and challenges in education is related to limited human resources, lack of teachers, lack of students, and also lack of infrastructure in the form of learning places. This problem is not only faced by schools in Indonesia, but also becomes a problem for the implementation...

The simulation of thickness control of different thickness galvanized steel sheet was researched in this paper the simulation method featured by making use of bilateral calculation model to research Gas-jet wiping pressure of air knife. Regularity of the effect of steel strip and baffle gap on the thickness...

With the growing popularity of the online-service in cloud, users' data security protection has gradually become a new challenge. After one user sends his documents to the other, the files are no longer under the user's control. Once he needs the receiver to destroy data, he cannot ensure that the data...

The waste polyurethane rigid foam was degraded by two-component decrosslinking agent, and a qualified glass fiber reinforced waste polyurethane rigid foam is prepared by compounding the obtained oligomer polyol with a certain percent of glass fibers. The regenerated oligomer polyols were measured for...

Eye health issues in China are becoming increasingly severe and affecting younger populations. The government has introduced multiple policies to promote eye health strategies, yet problems such as poor translation from awareness to behavior remain prominent. Existing research abroad focuses on the link...

With the rapid growth of Chinese society, different Milk Tea brands started to emerge and join the competitive market. Among them, Sexy Tea, with its unique marketing strategy and the idea of hunger marketing, has gradually become a landmark for Changsha, China. Yet, it brings inconvenience to customers...

This paper describes the development of the smart home intelligent switch system and the necessity and convenience of the office,The intelligent switch can be connected to WiFi network to control appliances through mobile APP, what get people generally favored is its small size, convenient operation,...

Based on the investigation and analysis of college students’ extracurricular activities, most college students use sports APP to help them achieve the goal of fitness. According to the functions and characteristics of sports APP, it is shown that sports APP play an important role in building a healthy...

With the rapid development of logistics, this paper expounds the data governance, introduces the basic status of logistics data, combs the problems faced by the logistics industry data, and proposes to establish a logistics data governance system to provide standardized theoretical support for China's...

This paper is to speculate the drug demand of each region and assist to plan a reasonable number through analyzing variations of weekly infected people, which is based on epidemic model and multi-objective optimization theory. Unlike traditional SIR model,I consider the patients under incubation period...

Heat pipe is a kind of high efficient heat transfer element, which is widely used in all aspects of life, especially in solar energy technology and permafrost. This research focuses mainly on the low temperature gravity heat pipe working fluid and discusses the influence of refrigerant thermos-physical...

Five aquatic macrophytes, Acorus calamus, Lythrum salicaria, Monochoria korsakowii Alisma orientale and Sagittaria sagittifolia were tested for the relative growth rate (RGR) and abilities of removing total nitrogen(TN) and total phosphorus (TP) by the manipulative indoor experiment. Result revealed...

In this paper, an ultra-low-power integrated RF front-end for UWB system is proposed. It contains a single-ended low noise amplifier (LNA) and a double balanced mixer. The resistive shunt feedback topology is employed to achieve a good input impedance matching in the whole UWB band. The stacked common-source...

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...

As a result of the stimulating monetary and fiscal policies during the Covid-19 pandemic, the interest rate in the US has reached close to zero and the inflation rate has reached an unprecedentedly high level–seven percent in the year 2021–due to problems of the supply chain. The Fed has announced its...

The paper proposed a model of automatic test paper generation system since the traditional test was time-consuming, labor-intensive and unstable. Based on the demand of the automatic test paper generation system the model explored the setting of the initial value information of the ant colony optimization...

Shear horizontal surface acoustic waves (SH-SAWS) propagation in layered piezoelectric structure carrying an array of microbeams is studied in this paper. Based on the three-dimensional piezoelectricity theory, the coupling wave equations are obtained and solved by analytical method with consideration...

Purpose: The purpose of this study is to trace the comments of Quora application users with the discussion of the figure of Najwa Shihab in discussion forums as a shaper of public opinion. Methodology: The authors in this study used qualitative descriptive methods. The data found by the researcher in...

Local undergraduate normal colleges is the main body of teachers' pre-service education in our country, which provides a solid guarantee for Overall planning for urban-rural development foundation education teachers equilibrium configuration. Local undergraduate normal colleges are faced with both opportunities...

The COVID-19 pandemic has varying degrees of negative impact on economies and stock markets around the world. However, vaccine development and rising demand for drugs may have a different impact on the pharmaceutical industry. This paper aims to examine the impact of Pfizer-BioNTech COVID-19 Vaccine...

In order to meet the diverse needs of geographic location scenarios, a diversified location-based smart phone APP is designed and implemented. The app is based on the Android platform, using the Baidu Map API as a tool to achieve real time monitoring through the active push of geographic information.It...

The problem of left-behind children in rural areas is an “institutional product” in the economic and social transformation. The education problem of left-behind children in rural areas is a complication of various social problems at the educational level. The implementation of the Rural Revitalization...

Japanese practice courses play an important role in the curriculum system, so it has become one of the topics of Japanese teaching research. In recent years, the reform of mixed education has been continuously promoted. This paper focuses on the Japanese practical courses and analyzes its exploration...

China and Japan, both part of the East Asian cultural sphere, share Confucian traditions. Yet under the impact of modernization, their family structures and cultural logics have diverged significantly. This paper analyzes the cultural differences in marriage, love, eldercare, and family values by comparing...

With the development of the country and the sustainable development of the society, all kinds of infrastructure construction and transformation of our country have been greatly promoted. With the emergence of modern transportation equipment and the rapid development of expressway, the design of expressway...

In the next decade, planting area of vegetable in China will slightly increase with an average annual growth rate of about 0.5%. Vegetable production will reach 729.91 million tons in 2023 with an annual growth rate of about 0.8%. Direct consumption of vegetables per capita will rise up to 166 kilogram...

With the development of smart distribution grid, metering devices for low voltage distribution network is getting better and better, which lays the foundation for the accurate calculation of theoretical line loss. Firstly, this article points out existing problem of commonly used calculation methods--equivalent...

This study aims to test and analyse the effect of local government size and capital expenditure on local government financial performance in Bantaeng Regency for the period 2019 - 2023. The object of this research is the financial performance of the Bantaeng Regency local government in the 2019-2023...

In this paper, we build a model to simulate the dynamic procedure of personnel changing and the human capital management of employees. This paper builds a personnel network model to illustrate the relationship among the employees. The human capital model calculates the value of human capital in a mathematic...

Behavior biases affect investors’ financial decisions in many ways such as herding behavior, which is the tendency for individuals to mimic the actions of a larger group. The purpose of the paper is to examine whether the herding causes volatility using daily data in Shanghai composite index. The results...

Recent research and experiments have showed that clustering ensemble approaches can enhance the robustness and stabilities of unsupervised learning greatly. Most of them focused on crisp clustering combination. However, in this paper, we offer a decision model based on fuzzy set theory for fuzzy clustering...

Although there were little papers that Wang Fu specially discussed philosophical problems in “A Treatise on the Latent Man”, they contained rich philosophy thoughts. His viewpoints about “Theory of Vitality Primitive”, “Epistemology”, “Contradiction View”, “Conception of Society and History” and “Atheism”...

For the optically variable films series, using the boundary conditions of electromagnetic waves, we have given the propagation wave equation of S-polarized light wave in the optical variable film system with razor-thin metal film, which can be used to calculate electromagnetic field distribution and...