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China's current population problems, is the introduction of the second child policy. In this paper, we evaluate the influence of the comprehensive second child policy on China's population. We first establish the appropriated evaluation index system, and then through the establishment of mathematical...

This automatic intelligent rice cooker is designed on the base of STM32.It consists of automatic rice supply, rice washing and cooking functions, which can be realized, in the long distance, by sending messages, using smart phone apps, Bluetooth or other remote control devices.[1]In the meantime, the...

State-owned state-owned enterprises reform and power system reform are two major reforms currently facing state-owned power enterprises. With the deepening of reforms, the external situation faced by state-owned power companies has become more and more complicated. As an important management foundation...

The literary works since the Chinese economic reform, such as Mo Yan’s Jin Fa Ying Er (Blonde Baby) and Han Shaogong’s Ba Ba Ba (Dad Dad Dad), have constructed new monster children images with commonalities. Monster children images have four characteristics. The first is the product of the combination...

Tao Xingzhi (1891-1946), one of modern China’s most influential educational reformers, developed a comprehensive philosophy of mass education that remains profoundly relevant in addressing 21st-century global educational challenges. This paper presents a systematic analysis of the theoretical foundations...

Based on conventional single-stage grid-connected photovoltaic (PV) Z-source inverter, the unified control combining with harmonic and reactive power compensation is proposed. The grid harmonics and reactive current are measured while PV system outputting power. Then corresponding reactive power compensation...

This paper introduces a microscopic simulation based method to analyze and calculate carrying capacity of railway stations. Due to the random disturbance of train operations in station area, an analytical stochastic model of train delay and operation time is proposed, which considers the stochastic variations...

The gases of nitrogen, oxygen, argon and carbon dioxide were employed as coolant and lubricant in metal cutting. Therefore, the smaller kinetic diameter of gas, leads to the lower cutting forces and deformation coefficient. A conical capillary model is proposed, based on the experimental results and...

The pore and fissure of coal directly affect the occurrence and seepage of gas. Therefore, it coal seam methane should be developed for utilization and gas control. In this study, characterization methods for coal fractures are introduced on the basis of extensive literature research. They are usually...

With the continuous development of the Internet, the security problem of the Internet is more and more serious. The security postures of the Internet devices and applications have subjected extensive attention of the growing number of Internet users. In this paper, we put forward a measurement method...

A flipped classroom design focusing on the course of “Electromagnetic Spectrum Sensing” aims to explore the application of student led learning mode in engineering education. Based on constructivist learning theory and self-directed learning theory, reposition course objectives and strengthen students’...

The non-dimensional gradient function and stability amendment function of evaporation duct models are very important in calculating atmospheric modified refractivity profiles. It is proved that stability amendment function of Model A used in unstable conditions is not the integrated form of non-dimensional...

This paper is concerned with controlling of chaotic behavior in Internet congestion control model with Compound TCP under RED. Compound TCP (CTCP) is currently the default transport layer protocol in the Windows operating system. Firstly, this paper briefly analyzes the nonlinear dynamics of the CTCP...

Multisim especially Multisim14's characteristics are summarized in the paper. And Holding Tank control system is an example. Simulating PLC control system in the Multisim is an efficiency method, not only it can save lab cost, but also it afford an convenient approach for learners and designer.

Landslides in China are numerous, widely distributed, frequent, and cause significant damage. Monitoring and early warning are critical measures for preventing landslide disasters. As a near-surface monitoring technique, the time-lapse resistivity method can capture the spatiotemporal evolution of the...

Because of its promotion in social development, Information Communication Technology (ICT) is drawing attention globally. As a result, the development of Smart City in our country is coming to the forefront. Correctly understanding the essence of Smart City is crucial for its development. In this paper,...

Due to arbitrariness of handwritten mathematical formula, it is difficult to do the structural analysis and displaying automatically. In this paper, an improved algorithm of generating ternary tree is proposed to solve the limitation. Firstly, a ternary tree of character sequence in handwritten mathematical...

Impact is universal phenomenon in mechanical system with clearance. In order to accurately describe the effect of impact between journal and bearing in clearance joint, an improved contact force model is presented in this work, which assumes the coefficient of restitution during impact is varied, and...

To improve the accuracy of vision measuring system, high-precision camera calibration and distortion compensation are essential. A new CMM based method of camera calibration and distortion compensation, and a new index for evaluating the residual distortion after compensation are presented in this paper....

In order to acquire the rock strata movement rule above the coal face, which has shallow buried depth and thin bedrock, choosing the 201 dip working face of chang han gou coal mine, Shenhua group, as the engineering background. Using numerical simulation software UDEC, which has distinct elements, to...

At present, most collaborative filtering algorithms use similarity as a criterion. In order to alleviate problems of cold start and sparsity in recommender system, a Collaborative Filtering Algorithm Combined with the Singular Value Decomposition (SVD) and Trust Factors (CFSVD-TF) is presented. Further...

Medical waste is an infection hazard for humans and requires management according to stricter standards than other types of waste. In the current COVID-19 pandemic, medical waste management to the strictest of standards must take place. Since 2008, real-time medical waste management systems using radio-frequency...

Shield tunneling in water-rich sand layer is prone to problems such as high cutter torque and severe wear, and spiral transporter gushing. Based on this, this paper takes the shield project of Xi’an Metro Line 10 interval as the basis, and carries out the experimental research on the improvement of slag...

The Sequencing dynamic membrane bioreactor—SDMBR was proposed and adopted in this study to treat the high ammonia-nitrogen wastewater according to the features of its wide sources, large emission, high difficulty to be treated and easily lead to serious eutrophication etc. Then, the effluence factors...

The paper first introduced the background and causes of arrears of project arrears, and got the following four reasons: unimplemented Project funds; imbalance supply and demand of the construction market; layers of subcontracting; imperfect credit system of the market. This paper talked about the implication...

The Covid19 pandemic is a condition experienced by all parts of the world. The Covid19 pandemic has drastically changed all human activities, including in the sphere of education. This study aims to analyze the utilization in optimizing the competence of accounting lecturers from the perspective of the...

This paper not only analyzes the cultural implications and main forms of western consumption concepts, but also probes into how western consumption values infiltrate and erode traditional Chinese consumption, and further points out the key to rationally coping with these negative influences, hoping to...

Sharing economy, created in the context of "Internet +", is a new business model in which individuals, enterprises or organizations share the right to use idle resources through sharing platform and achieve the efficient use of resources. This paper first analyzes the business model of the OFO bicycle-sharing...

This study aims to measure the reflectance of outdoor compressed concrete paving units. The samples are in common size of compressed concrete paving units which is 20cm * 20cm * 6cm. The first cause of gradually worsening environment is that most of artificial pavements and building shells in the cities...

Blacklist is a form of social regulation tool of governing market failures. In recent years, the system has attracted the executive attention, and it applied to increase or even a generalization of trends. However, as one commonly known as the blacklist, the theoretical definition in connotation and...

The optimal management of hemodynamic disorders among critically ill patients requires an accurate assessment of hemodynamic status. Global End Diastolic Index (GEDI) is taken for a more reliable indicator of preload in critically ill patients than central venous pressure and doctors tend to arrange...

In this article, the main topic is about the relationship between Emperor Wudi’s use of troops against Xiongnu and the publication of the book “On Salt and Iron”. This paper cites the economic policies of the early Western Han Dynasty, the amount of military expenditure during the reign of Emperor Wudi...

Educational modernization undertakes the responsibility and mission of training modern people and meets the new needs of the times for talent training. The establishment of the information age as a whole in today’s society promotes the continuous integration of information technology and teaching activities,...

Growth hormone (GH) is a hormone produced by the acidophil of the anterior pi-tuitary gland that affects the growth and development of craniofacial structures. GH must bind to the growth hormone receptor (GHR) to stimulate the target site. As GH is the primary regulator of bone growth, the GHR plays...

This paper presents a distributed terminal (finite-time) backstepping consensus control for multi-agent Euler-Lagrange systems. Terminal virtual error surfaces and virtual controls are proposed to guarantee the finite-time error consensus and formation convergence of a group of one-leader and multi-follower...

In recent years, with the adjustment of China's textile industry strategic pattern, coupled with the market environment changes, rising production costs and other unfavorable factors, the textile and garment industry as are facing an unprecedented situation. For example, the development of Humen garment...

A flow stress calculation model considering the interval softening was established based on the the single- and double-hit true stress-strain curves of IN718 alloy for multiple-pass hot continuous rolling process. The data calculated by the single-hit flow stress model and the double-hit softening fraction...

Under the condition of open economy, the trade between countries is getting closer and closer. Therefore, the exchange rate fluctuation become an important factor affecting the country’s economic growth. In order to deeply understand the mechanism of the effect of exchange rate fluctuations on economic...

Facing the increasingly air pollution, the research on robot detecting air microorganism becomes a hot spot. This paper reviews air microorganism robot, air sampling method and small-sized robot and analyzes the characteristics of various robot and sampler, which provides reference for research of new...

Late Eastern Han Dynasty (184–220) was a famous period in Chinese war history. In this period, many warlords of the Han Dynasty started to build their private army with elite soldiers, letting it become a fashion. Cao Cao (155–220) was one of the warlords who was enthusiastic about this matter, building...

This paper aims to prove that the development of inclusive finance has positive impact on the upgrading of industrial structure. The rationalization of industrial structure is an inevitable requirement for high-quality economic development, while inclusive finance promotes economic development by realizing...

Integrated heritage management has become increasingly important for both urban and rural areas, and has now been frequently used as both a philosophy and an approach to revive the decayed areas under various transitional contexts such as rapid urban expansion, economic restructuring, industrial relocation,...

Entrepreneurship competence cultivated has been the most important component of higher vocational education reforms. Firstly, connotation and construction dimension in higher vocational college students entrepreneurship were induced, model of theory in it were put up. Secondly, compared with training...

CATIA V6 has found extensive applications in the water conservancy and hydropower industry. However, when it comes to generating sectional views, CATIA V6 still faces some challenges. For instance, the generation of sectional views relies on the selection of projection profiles, which are limited to...

Huizhou, located at the east of the Pearl River Delta, is the only one intersection of the three largest Han multi-folk groups of Guangdong Province. Owning to the different historical culture sources and the different ways of choosing environment in Huizhou, village expansion models are unique. Though...

This study discussed the reflectance of outdoor compressed concrete paving units. The research samples were basic square ground tiles, including sandblasted tiles with secondary treatment of surface, iridescent crystal sandblasted tiles mixed with waste glass, and rustic tiles. The ASTM E1918A method...

On the basis of widely reading papers published in the 13 core Chinese journals recently and with methods of literature review, expert interview and questionnaire, this paper points out the problem concerning regression in sports research, such as the model examination, the content of the case study,...

At present, China’s social security fund operation mechanism is still not perfect. There are many problems and loopholes in the operation and operation of social security funds. How to avoid investment risks and conduct social security fund investment through reasonable and appropriate channels for the...

This paper presents two kinds fully differential operational transconductance amplifier (OTA) circuit, one is a flipped voltage follower circuit structure (OTA1), the other is a source follow circuit structure (OTA2). The two OTAs' transconductance can all be accurately set by the control voltage. Two...

Tower falling down or wire breaking caused by natural disasters is a serious threat to the safe operation of power transmission lines. To improve repair efficiency and quality of overhead transmission lines in the case of disasters and incidents, this paper designed a rapidly assembled pole and tower...