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The mechanism of 4-(1-phenylvinyl)pyridine hydroformylation with HRh(CO)(PH3)3 as active catalyst has been proposed and discussed by B3LYP. Also, the regioselectivity and chemoselectivity are investigated by calculations and excellent agreement with the existing experimental results is displayed. It...

This paper aims to investigate the aging behavior of high viscosity/SBS compound modified asphalt. To this end, asphalt specimens with different aging degrees were prepared separately, the fluidity of asphalt was evaluated by viscosity test, the adhesion between asphalt and aggregate before and after...

The general increase in coffee prices in the Chinese market is mainly caused by the coffee bean supply crisis. This paper explores the global shortage and delays of coffee beans, which can be explained mostly by natural disasters, transportation crises, and labor shortages. This paper also analyzes the...

This study focuses on users’ purchase intention toward green financial products, aiming to address the predicament of activating the demand side and existing research gaps. It explores the formation mechanism of purchase intention under the influence of information transparency, green brand trust in...

This paper introduced the overall situation and tourism resources in Guizhou Province, and studied the anion distribution and air quality of scenic places of this region based on the results obtained by the test of some scenic spot, Using city gravity model and actual data, analysis the potential visitors...

This paper puts forward a multi-level translation path of reader-centered, text-based, culture-oriented, new media environment-based and translator-centered approach, in order to provide feasible solutions for Taoism translation with the focus on the characteristics of new media environment, the characteristics...

101 post-1960 fatal earthquakes in China mainland were selected to build a BP neural network model for rapid earthquake fatality estimation. In this model, event time, magnitude, epicenter intensity, population density and the event region were selected as input vectors. While, the fatality was assigned...

A system preventing children from getting hit while passing by the front based on laser sensor aims at avoiding knocking down the child while passing by the front after getting off the bus, owing to the blind spot of the front to the driver. The system mainly consists of SCM, laser sensors and radar...

Framework for Information Literacy for Higher Education issued by Association of College and Research Libraries (ACRL Framework) is a guiding document for university libraries to carry out the work of information literacy education. “Outcome-Based Education” (OBE) is an international professional talent...

In this era of information explosion, industry research papers contain a large number of information about the current business situation and profit and loss of enterprises, which reflects the credit risk of enterprises from the side, further affecting the objective evaluation of financial institutions...

Socialist core values carry on the essence of Chinese traditional culture and the achievement of global civilization, which conform to the pursuit of modern people for beautiful values. Foreign language can be regarded as a direct collision of Chinese and western cultural values. We should always persist...

In virtual crowd simulation, group behavior is very important, and its authenticity directly affects the authenticity of crowd behavior. This paper presents a group trajectory planning method based on visual-voronoi(c) diagram(VV(c)-diagram) in which c represents the expected distance between group and...

This article proposes a framework of Web miningbased recommender systems for e-commerce. Building on clustering analysis of data involving Web usage, content and structure, the author demonstrates how to provide users with effective recommender services according to the mining results obtained by recommender...

Based on remote sensing images of Xiangxi Tujia and Miao Autonomous Prefecture in China, combining with field survey, socio-economic data, and the current situation of the unique ecological environment, an ecological sensitivity evaluation index system was established. With the utilization of analytic...

In this paper, we conduct research on the public English teaching mode reform under the environment of information technology. This article fully draw lessons from successful experience of others, combined with years of practice of the reform of public English, the author expounds the necessity and characteristics...

Parameter calibration of hydrological model is one of the most important issues in the field of hydrology. Practice experience suggests that the traditional calibration of hydrological model with single objective cannot properly measure all of the behaviors of hydrological system. In order to successfully...

High professional identity is an important prerequisite for the development of the work of instructors, and is an important guarantee for the validity of the work. To study the coping strategies of college instructors' professional identity, this paper analyzes the reasons lead to low professional identity...

Aiming at the shortcomings of Chan-Vese (C-V) model, using the method of literature and experimental method, based on C-V model, whose length term is changed into an automatic "rectify a deviation" term, using the adaptive parameters, an active contour model with automatic "rectify a deviation" is proposed,...

Rocky desertification is a typical type of land degradation in the Southwestern China. It has great economical and ecological implications for the local people. Landsat images for Qingzhen city of Guizhou Province collected in 2000, 2005 and 2010 were used for Karst rocky desertification monitoring....

State estimation is widely used in Zone I, and provides a solid support for safe and stable operation of dispatching system and advanced application calculation. However, after the application of analysis class is extended to Zone III, the application scope is obviously increased, and the service invocation...

This article examines how capital captures surplus value through emotional and cognitive capital in the age of Internet. The article points out that amid economic downturn, people pursue idealized lives in the virtual world to relieve the pressure of reality. Virtual idols and anime characters have become...

In order to solve the modeling problem of biochemical oxygen demand (BOD) in wastewater treatment process. This paper proposes an online BOD predictive method based on Laplacian Eigenmaps - Relevance Vector Machine ( LE-RVM) . First, the easy to obtain the parameters of the wastewater treatment process...

Johannes Ewald’s The Death of Balder contains many elements from Old Norse mythology. By using Jungian archetypal theory and Frye’s theory of archetypal literary criticism, this paper examines the representation of Norse mythological archetypes embodied in The Death of Balder. Through an analysis of...

In this paper, a 2-DOFs (two-degree-of-freedoms) right-angle-shape piezoelectric energy harvester is designed and analyzed for widening the operation bandwidth (-3dB bandwidth) of piezoelectric energy harvester in low frequency vibration environment. The finite element simulation results show that, the...

This paper summarizes the functions of college journals in college education and teaching, such as promoting the development of existing disciplines, supporting the construction of new disciplines, and training high-tech talents, and put forwards such specific countermeasures as carrying out the planning...

Tourist satisfaction is a key factor that has an effect on the attractiveness of scenic spots. So the tourist satisfaction determines the complaints and loyalty of tourists. The Kongtong ancient town in Pingliang City, Gansu Province was taken as an example in the present paper, based on questionnaires...

GARCH model can be used to describe the characteristics of returns fluctuation, which can forecast the returns and risk of financial assets. This paper makes use of GARCH model and its hybrid models, such as GARCH-M model, E-GARCH model, T-GARCH model and I-GARCH model, to the empirical research on the...

New energy vehicle, as the national strategic emerging industry, has received strong support from the government in recent years, but the industrialization development of new energy vehicle is not ideal. On the one hand, most of the research on new energy vehicle attributes is qualitative, which hindered...

The prosperity of mass culture in the consumption era makes public art present many different characteristics from the past. The secular characteristics of mass culture representations are first manifested in that it no longer only pays attention to issues such as the sublime, the sacred, and the classics...

Against the backdrop of the intersection between China’s 15th Five-Year Plan and the AIGC technological revolution, this paper argues that the combined effect of policy and technology is propelling a paradigm shift in design education. It proposes that design education is undergoing a fundamental paradigm...

When choosing software outsourcing suppliers, the enterprises need to comprehensively consider the price attributes, business attributes, technical attributes and other factors, so as to form a winner determination problem. This paper proposes to design a online reverse auction model of two phase, and...

In order to explore the effects of task characteristics and operator familiarity on human reliability in human-computer interaction VDT operation, the simulation experiment was designed, then the performance data of 20 healthy college students were collected and analyzed by analysis of variance (ANOVA)....

In Higher Education in China, the counselor group assumes the dual roles in student affairs management and teaching, and is active on the front line of education. In emphasizing the professionalism and professional development of the counselor team, a system in which counselors “stand on the podium”...

Virtual Reality has been a state-of-the-art technology recently,and HTC Vive is one of the best sellers that is based on this technology with its own controllers which are one of its features. This article starts with a series of development projects of virtual reality, develops some influential functions...

Most of the current construction models of domestic mainstream smart classrooms are for full-time ordinary colleges and universities, which do not match our short-term technical skills training needs. To solve this problem, this paper summarizes three mainstream models of current domestic smart classrooms,...

This paper analyzes the characteristics of the current drug registration permit system in China and its shortcomings in the face of new drug development. It points out the necessity and positive significance of the system of marketing authorization holder (MAH) in China. Through interpretation of the...

To secure the social content delivery, we study the frame on real world networks of future Internet. The current Internet content distribution infrastructure becomes the bottleneck because it is closed to end-to-end applications. The delivered data are clustered and standard enveloped according to the...

From the aspect of a pile foundation in a structural loess area, this study analyzes the relationship between the generalized shearing strain and the generalized shearing stress of the soil mass around the pile under single pile reaming on the basis of the theory of cavity expansion. Through a triaxial...

Under the background of the Internet Plus, the literature review method, questionnaire method and integrated data analysis method are applied in the research to analyze the differences between the male and female college students in the consuming behavior of online shopping and the decision-making factors....

Ancestral temple is the most distinctive folk architecture in Southeast Hubei and its plinths are not only the load-bearing construction, but also concentrated expression of its culture, art and science carrier. Based on the field investigation, this paper elaborates on plinth with Yangxin and Tongshan...

MOOC (Massive open online courses) is developing rapidly, but the pass rate of the course is very low. It is significant to study the characteristics of learners who have obtained certificates. This article analyzes the video and completion behavior of various learners. The results show that the learner...

Following the rapid development of information technology and the knowledge economy, online courses as an innovative educational model are deeply refactoring the distribution pattern of traditional educational resources. Online courses have a double-edged sword role in promoting educational equity. Systematically...

Coal is the most important energy resources in China's economy. In recent years, China's coal industry has made great progress. However, many problems including weak sense of resource protection among people, confusion of departments in charge of supervision, lacking in mechanism of motivation, etc,...

In this paper, several difficulty brought by the increase of bury depth of metro station is analyzed. It will be much harder for the construction of metro station with the increase of metro buried depth, especially in rich water strata. A new method, Super Tubular Roof Method (STR), which is suitable...

In view of the large data volume and fast update feature of Tmall transaction database, the original Apriori algorithm is not suitable for Tmall transaction data mining due to its frequent scan of the database, so improved the search efficiency of original Apriori algorithm combining Apriori nature,...

Analyzed domestic and foreign education situation and development trend in excellent engineers training, and explained the significance and necessity of exploration and practice of traffic engineering excellent engineers training program. Combined with the actual situation of Chinese higher education,...

Mixed ownership reform is the core content of the development of state-owned enterprises. However, the reform is restricted by the long-standing governance problems of state-owned enterprises in China. In the government work report of 2019, it proposed tasks such as “actively yet prudently advancing...

Based on the concept of CIM-CDIO, this paper analyzes the talent-training mode of the practice teaching base. And it analyzes the necessity of the reform of the practice teaching base from the enrollment quality, curriculum provision, hardware facilities, the present situation of private vocational schools,...

Sprayable gypsum-based mortar was prepared by using desulphurized gypsum as cementitious material. Through the test, this study analyzed the influences of lightweight aggregate, water retention agent and thixotropic agent on compression strength, tensile bond strength, water retention rate and constructability...

Eleven parameters such as pH, dissolved oxygen (DO), permanganate index (CODMn), ammonia nitrogen(NH3-N), total phosphorus (TP), total nitrogen (TN), fluoride(F-, cadmium (Cd), lead(Pb), petroleum and fecal coliform were selected to analyze the main pollution factors and the temporal and spatial distribution...