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Poly(methyl methacrylate) thin films were prepared through solvent casting method followed by thermal treatment to completely remove the residual solvent. All three different tactic PMMAs were studied; the PMMA solution was made in chloroform at various concentrations, with 0.1wt% QDs added against the...

The network new media provides new opportunities for college students' quality education. As an important form in this context, the application of “E-Class” in the quality education of college students meets the needs of many parties, which not only meets the needs of the development of quality education...

In aerospace equipment manufacturing, the machining deformation of the large integral structure is seriously influence on the machining efficiency and the accuracy of the parts. Based on the theory of elastic-plastic theory, the finite element analysis model of machining deformation of 3D integral frame...

This document explains and demonstrates how to prepare your camera-ready manuscript for Trans Tech Publications. Digital communication is a very important technology in modern multimedia technology, it makes up the defect analog communication many, many, but in digital communication, signal attenuation...

With rapid development of mechanical manufacturing, the fitter as a traditional process is gradually marginalized and the tendency still continue. In order to let fitter better meet industry requirements, teaching reform of fitter training is imperative. However, unitary teaching content, monotonous...

In this paper, we propose a novel feature based on local oriented shape context (LOSC) descriptor for nighttime pedestrian detection. Shape context descriptor is widely used in object recognition but not making a good performance in complex situations because it does not consider the edge’s orientation....

This article takes the Battle of Yiling as the subject of research within the narrative of “Romance of the Three Kingdoms,” conducting an in-depth analysis of the distinct strategies and measures employed by the states of Shu and Wu during the phase of war mobilization. By comparing the extensive military...

Combining SPOT5 multispectral and panchromatic data of Wuhan city, object-oriented method of land cover classification is used to extract the urban ecological types, such as water, vegetation, bare land and impervious surface (including building, road, and other artificial surface) in this paper. The...

According to the fact that artificial intelligence is widely used in the logistics industry but domestic logistics talents relatively lag behind in terms of artificial intelligence, this research will focus on training students for intelligent logistics throughout the construction of emerging engineering...

How can we understand Marx’s World Communication Theory in the modern era of globalization? What is relation between Marx’s World Communication Theory and a Community with a Shared Future for Mankind (CSFM)? And how to build community with a shared future for mankind? In this paper, the author defines...

At present, manage systems for entertainment performance chains are built to work as agents to collaborate all participants, such as troupes, theatres and audience etc. Analyzing and mining the mechanism of behaviors of participants is an important issue which can be important gudie to establish such...

The SQL conditional expression is not a constant expression, making it impossible to judge its legitimacy through the final value. However, there exists one alternative way where the elements in expression should be identified first to obtain the corresponding postfix data type expression, and the algorithms...

Air cargo has always occupied a unique position in the commodity transportation industry due to its advantages such as speed and efficiency. And cross-border e-commerce is an inevitable trend for the e-commerce development under the global economic development. This new mode of trade develops rapidly,...

Using the panel data of 14 prefecture-level cities in G province from 2005 to 2017, a multiple regression analysis was established to test the impact of the change of municipal city officials on the economic growth of the jurisdiction. The results showed that the change of mayor led to a decrease in...

With continuous transformation and upgrading of manufacturing industry, the comprehensive engineering training and innovative abilities of engineering college students are demanded to rise. Metalworking practice course provides students with equipment operation and an opportunity of applying theory to...

In order to solve the problem of the order of processing technology in CAPP, which proposes a method of intelligent decision-making process base on constraint matrix and genetic algorithm, establishes the mathematical model of the order of pro-cessing technology based on genetic algo-rithm, uses constraint...

African migration to China is a phenomenon that has invoked public attention and scholars’ heated discussions. This article reviews previous research on the impacts of African migration to Guangzhou, an international economic and cultural centre in south-eastern China in three different aspects: cultural,...

Sketch teaching has always been an important basic course to design specialty and plays a significant role in the process of training professional talents of design major. Various colleges and universities in China have conducted researches and discussion on teaching research of sketch courses, and there...

The application of mechanical engineering management is a management method and strategy adopted to effectively coordinate and control mechanical engineering project activities. The current research and practice have made some progress in this field. Research has shown that the complexity of mechanical...

Flow characteristic of cold fluid in supersonic combustion experiment table is studied through the method of computational fluid dynamics (CFD) numerical simulation, direct measurement of pressure transducer and TDLAS measurement. Characteristic parameters of temperature and pressure etc. of the flow...

Taking The Arctic is a valuable common asset of mankind and of great significance to the building of a community with a shared future for mankind. Due to its rich natural resources and significant strategic significance, with the development of the Arctic Ocean shipping routes, countries’ attention to...

In China, vocational education has made great progress in recent years. English teaching is considered as an important part for vocational education system. How to improve students’ ability of English practical writing has brought a heat discussion. The paper focuses on what the negative transfer of...

Currently, our country power-stolen phenomenon still stands out in a certain scope. Power theft not only results in enormous economic loss to the power industry, but also poses a threat on the safety and reliability of the system power supply, leading to high line loss.suggestions of power supply enterprise....

The outbreak of COVID-2019 brought about an economic crisis that swept the world. Until now, we entered the phase of normalization of the epidemic, but the unchanged circulation of people still limits our economic development. The impact of the epidemic was far-reaching, and until now, China's economy...

With the continuous development of science and technology, mobile Internet plays an increasingly important role in people's daily life. The scale of Mobile Internet users are growing greatly, mobile Internet has become the focus of the current global information industry competition, its development...

Urbanization is a target and result of economic development in China. Urbanization has changed the type of urban land use, and also affected the soil carbon cycle of urban ecosystem. In this paper, the land use change characteristics and soil carbon content in different land use types of urban ecosystem...

In this paper, mathematical physics equations Bessel equation solving means, for the critical radius cylindrical uranium blocks were theoretically derived and obtained relevant results. Uranium radioactive material, there are two forms of exercise neutrons, neutron multiplication neutron diffusion and...

TBM (Tunnel Boring Machine) has become a main technical means for the tunnel construction of rock condition. Cutter mount is an important welding structure on TBM cutter- head and it is the most dangerous positions to occur fatigue failure in the project. According to the characteristics that welding...

Financing constraints reduce the investment opportunities of enterprises and limit the development of enterprises. Based on the existing literature, this review summarizes the relevant research on financing constraints in recent years, and focuses on the causes of financing constraints and the influences...

The network of smart grid communications (SGC) is expected to be heterogeneous for providing diverse access interfaces. Load balancing is one of the key technologies in such heterogeneous networks, which can increase the system throughput as well as quality of service (QoS). In this paper, a context-aware...

In order to study the organic fertilizer, inorganic fertilizer and its effect on the yield and quality of lettuce, a pot experiment with 5 treatments (no fertilizer, single organic fertilizer and inorganic fertilizer, organic - inorganic fertilizer, organic - inorganic fertilizer (1/2)) was conducted....

At present, China's higher vocational education is still lack of perfect employment and entrepreneurship education mechanism, so it is of great significance to build employment and entrepreneurship education training. This paper studies how to optimize employment and entrepreneurship education in vocational...

The local population may play an important role in the social integration of international students. This paper focuses on the study of local community members’ attitude toward the benefits brought by international students. In addition, comparisons between the U.S. and Chinese data are made. Data were...

Biological soil crusts serve as a vanguard for improving the ecological environment in arid, semi-arid desertification areas. It is a good indicator of the improvement status which the local ecological environment is undertaking. This study was completed in Yanchi in Ningxia province and Dengkou in the...

With the rapid development of network information technology, the network platform provide a virtual space for people to communicate and communicate, and the network buzzwords will rise. The continuous development of economic globalization has promoted the development of cross-cultural communication,...

In the current market, the mobile phone screen is often used for intelligent terminals, but it is very little used in the industrial and military applications are very few. In this paper, combining TKIS-I helmet color image sonar displayed on the phone screen project, we designed a FPGA-based phone screen...

10 kv distribution network directly related to the user, the reliable power supply capacity and quality of power supply is not only the direct embodiment of the electric power enterprise economic benefits, and affect the safe and stable operation of the power grid. Electrical fault characteristics generally...

With the rise of the "Internet plus" wave and the rise of smart phones, college students are used to the interactions in the virtual, and the actual interpersonal communication has encountered many problems. The article recruited 70 higher vocational college students as the object, using the experimental...

The Ni-Co/HZSM-5 methane dehydroaromatization (DHA) catalyst was prepared using wet impregnation. The catalysts were characterized by XRD, TEM, TG-DSC, FT-IR and XPS techniques before and after reaction. The results show that the maximum conversion rate of methane DHA at 580 reached 39.8%. The carbon-silicon-oxygen...

A pot experiment was conducted to study the effects of spraying exogenous melatonin (MT) on growth and physiological characteristics of Chinese cabbage seedling under 50 mmol-L-1 NaCl salt stress. The results showed that exogenous MT could promote the growth of Chinese cabbage seedlings under salt stress...

New media uses its diversified way to show people a rich image of the education theme and content, as well as breaking the traditional geographical and temporal and spatial limitations, conveying a wealth of resources for the audience with the vast amounts of knowledge and information. socialist core...

In view of high-power LED microchannel phase-change cooling system, scientific problems, such as boiling incipience, flow pattern, heat transfer character, pressure drop and heat transfer instability are summarized. Proposing simultaneous measurement and analysis of phase-change cooling flow pattern,...

The calculation model on analysis convective heat transfer established is according to the structural features of photovoltaic rolling glass in its forming stage. The computational fluid dynamics (CFD) software FLUENT was used for numerical simulation of flow field, The study analysis the temperature...

This project is the satisfaction of part-time employees. A mixed method, including questionnaire surveys conducted by Company’s dispatch samples. Use descriptive analysis, related analysis, and regression analysis data collected. By assessing the satisfaction of part-time employees in Company S, we can...

Rapid construction of electric power systems leads to a large increase in quantities of network nodes and data, complicating network reconstruction issue significantly. However, the traditional serial algorithms can not reach a satisfactory computation speed; while some proposed parallel algorithms prior...

In order to get a perfect element-wise response to verify the basic mechanical properties of one soil, a hollow torsional test is usually preferred because its stress condition is more similar to the element response. However, during the torsion process, there is still more or less non-uniformity influencing...

A design of automatic boiler intelligent alert system based on the wireless AD hoc network is presented in this work for realizing unattended communication between the boiler and operators. This intelligent system was accessed to the original boiler alert system without reforming using the microprocessor...

Reactor pressure vessel (RPV) is exposed to deadweight, pressure, heat expansion, seismic load, pipe loads and etc under operating , accident and hydrostatic test conditions. Due to geometric discontinuity, the nozzle belt is reluctant to stress concentration, which is the key part in structure analysis....

The loading conditions of cavity is determined through using CAE software MOLDFLOW to simulate plastic flow injection molding process of the plastic product and as the force for the input load of the plastic products injection mold cavity strength analysis. Study on finite element simulation of stress...

The happiness index of the elderly population is an important criterion to evaluate the happiness index of a country, and whether the elderly population is happy or not can be used as an important indicator to evaluate the development of a country and a social civilization. The nursing insurance system...