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In order to solve the problem that email is not safe when transmitted in external link, the paper designed the Mail Security Gateway. It can encrypt and sign the email for its users and change the user as least as possible. The analysis shows that the Mail Security Gateway can provide security enhancement...

Based on the properties analysis of the chalcopyrite and the phase analysis of the chalcopyrite, collecting copper from the chalcopyrite by flotation was determined. The effects of grinding fineness, the dosage of dispersant and the dosage of collector were researched. The grinding fineness as 90%, water...

A bidirectional real-time data communication without distinction between master and slave is achieved with double TMS320F28335 DSP using its multichannel buffered serial port (McBSP). The shortcoming of the communication on SPI mode that the slave cannot initiate communication is overcame. The hardware...

In this paper, 132 appliance merchant class enterprises' data in 2018 were selected as the research object; AMOS from structural equation model was used as the analytical tool; the verification model of e-commerce enterprises value promotion was constructed; and 12 observation variables, such as R&D...

The duration is also known as the Macaulay duration. It takes the cash flow occurring in the future time to fold the present value according to the current rate of return, and then multiplies each present value by the number of years from the time when the cash flow occurs, and then sums it up. The duration...

In recent years, with the emergence of a series of problems such as energy shortage and resource depletion, people pay more attention to energy security. Energy literacy is the knowledge and skill about the energy using. Energy literacy largely affects energy consumption and sustainable development....

The covid-19 pandemic is still becoming a major problem in the world until now, especially in the health sector. One of the most vulnerable community groups to Covid-19 are doctors and medical personnel. Not a few doctors are sick and die. Doctors work in the back line to treat Covid-19 patients. They...

The COVID-19 is one of the most serious public health events in China in recent years. The sudden outbreak of the new coronavirus not only threatens people's physical and mental health, but also has a huge impact on the country's economic development and social stability and has even changed...

Cd-induced signal transduction triggers ROS production, which promotes oxidative stress indirectly. In the present work, we aggregated and interpreted the abundant biological evidence that has been accumulated to date into a network, and then constructed a multi-level dynamic model of signal transduction...

Since reform and opening-up, our country's higher education has achieved rapid development. China's higher education has played an important role in improving the quality of the population in China and to provide the economic development in our country. In this article, the development of Chinese higher...

The fatigue strength problem of multi-deck ship is serious. When in the same external load and nominal stress level, structural fatigue life of the details are closely related to the specific structural forms. Therefore, optimizing the structure of the details could reduce the stress concentration factor...

The development of air transport and high-speed rail (HSR) is facing two problems. One is competition, having been stated in many literatures focusing on the economic distances; and another is stresses from large investments, energy consumption and environmental degradation. In this paper, the feasibility...

Since new digital media era is coming, it puts forward new requirements for the design and communication of information. In this paper, with the help of the overview of information design and information communication, it explores the ways to realize the information design and information communication...

A collaborative evolutionary optimization method for the layout of hydraulic manifold blocks was presented according to its structure feature, an optimization design mathematic model of manifold blocks in the spatial layout was established, and it was solved based on the ant colony algorithm. Special...

Performance, including art performance and social performance, is a way of expression and behavior, is the external expression of performance subject and inner thought, is a process. Performance has become a keyword in the field of tourism research. Articles on the performance theory, puts forward the...

With the Asynchronous wind generators as research object, this paper analyzes the problems of the voltage stability and the generation mechanism of the reactive power compensation during the wind farms connected operation. For paralleling capacitor bank has shown obvious defects, therefore this paper...

The presented article contains a brief comparative analysis of the terminology used in the social sciences that study public policy to describe the characteristics of the “strength” / “weakness” of the state, using North American, Latin American, and Russian sources as examples. The article states that...

This research aims to study the effect of flexitime on work-life balance of millennials generation employees in Jakarta. The research method used is quantitative using 200 millennial respondents working in Jakarta. The collecting data technique in this research is non-probability sampling in form of...

The current sampling value differential protection gradually reflects its unique superiority among various differential protection. With the application of sampling value differential protection, the influence of frequency offset on it should be considered. In this paper, based on the analysis of the...

Sprouts need substantive water in the growth process, which will cause a high manual irrigation cost. Besides, manual irrigation is usually uneven. To solve this problem, a rotary sprout vertical cultivation device is designed to realize automatic irrigation and guarantee evenness of irrigation during...

Based on the improved equivalent circuit model of GNL, this paper first simulates the charging and discharging process of electric vehicle battery and analyzes the sources of losses. Afterwards, it illustrates the existing kinds of losses of the convertor and presents calculation formula by taking the...

Micro blog content distribution becomes a bottleneck restricting the development of micro blog. In this paper, a study based on Struts2 framework provides technical support for the system development. Firstly, learning Struts2 framework, core controller, business controller and business logic components;...

In order to analyze the current situation of CMR (cloud manufacturing resources) after the human entering to net work age and cloud manufacturing formally producing, then summarizing and analyzing the related work on cloud manufacturing and CMR, three aspects of CMR are analyzed from the classification,...

Electronic information technology in the construction and development of modern society in various fields and trades in occupies the important position and role. Electronic information technology application is based on the computer, but because of various kinds of information in the network virus viral,...

In recent years, third party internet payment which is the part of Internet finance has occupied financial markets rapidly due to its own advantages of convenient payment, convenient application and time saving. Internet finance has brought the challenge to traditional finance, and at the same time,...

In order to protect the increasingly gradually scarce forest resources and ecological resources in the urbanization, the forest construction has become an important measure to promote the greening and beautifying of the urban and rural areas at the present stage of our country. Forest construction involves...

As the subway as public transportation in major cities in China play an increasingly important role, the subway operation safety more and more get people's attention.Due to the particularity of subway operation environment and status, makes the subway foundation, especially the quality of the steel rail.The...

The last decade have seen tremendous improvement in the development of new image information processing and computational tools based on sparse representation. Today, in the information sciences, computer vision and image process-ing, the development of sparse representation algorithms led to convenient...

Internet development has allowed the e-commerce industry to grow and consumers to fulfill their wants through online shopping. However, as more and more information is available online, companies must differentiate from others. Integrated communication marketing (IMC) allows businesses to transmit unified...

The small firm effect has been a topic of debate amongst the investors and behavioral finance theorists alike, whereby it is hypothesized that the firms with smaller market capitalization rates tend to outperform their larger counterparts. This paper will empirically investigate the relationship between...

The research is to introduce to the readers what is credit risk and how serious the credit risk is in current years. The loan can be defined as five levels in credit risk, and they are “normal loan” “concern loan” “subprime loan” “suspicious loan” and “loss loan”. Each level of the loan has a different...

How parents can raise their children well has become a topical issue. To help address this professional issue, this essay reviews the interrelationships between parenting style, parental companionship, parental emotional stability, and family structure on the one hand, and children’s academic and psychological...

This research is triggered by the low business sustainability of soybean-based MSEs in West Java. There is a decreasing number of MSEs in the soybean-based food industry, high cases of environmental pollution, and labor and industrial conflicts within the community. The COVID-19 pandemic with the policy...

In order to clarify the oil price’s fluctuation phenomenon in the long term, researchers construct SVAR model with these five factors - aggregate supply of crude oil, economic growth rate of China, American commercial inventory for crude oil, US dollar index, and financial speculation ratio. The result...

Based on the balance principle of Wheatstone Bridge, this paper firstly derives a linear relationship between comprehensive quantity (of resistance & length) and the length of resistance wire , then measures experimental data of resistance and length, finally introduces SPSS to analyze data, verify the...

Aimed at the contradiction between personalized recommendation and privacy protection, this paper puts forward the basic idea of persona, a digitalized user model. The method uses browser to analyze user's access behavior, gets a comprehensive and accurate user model, so as to help realize the personalized...

Case base construction is of great significance for the promotion of case teaching. But at present there is no successful geosciences case library can be used as reference. So the construction and development of geosciences case library has significance to fill the gap. This article is about design and...

This paper is the analysis of electronic commerce development process, the logistics cost composition and characteristics, and the content of our country sheds cost and how characteristic. To our country electronic commerce development environment, the factors which influence the logistics cost. Through...

A new type of polyhedral oligomeric silsesquioxane (POSS) (7Ph-T7-Vinyl) containing phenyl and 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) was synthesized from phenyltrimethoxysilane, trichlorovinylsilane, and DOPO in high yield. This product was subjected to addition reaction using an...

The construction of cultural community based on the background of Guangdong, Hong Kong and Macao Great Bay Area can not only give full play to its politics social and economic values, but it has great significance for the development and construction of regional culture. As an important means of cultural...

Intelligent vehicle is thought to be an ideal way to deal with transportation problems. Corner detection is an important yet tough problem for intelligent vehicle because more complicated pictures may be generated by visions or radars from corners than from straight roads. Four-Layer radar was selected...

Gender stereotype and self-esteem are two important psychological factors that can influence college students’ well-being. This study uses a questionnaire to investigate the basic situation and relationships between gender stereotypes and self-esteem of Chinese college students. The results show that...

The purpose of this study is to explore how the different studying environments affect student’s memory. During the time of Covid-19, online learning has never been popular around the world. Compared to in-person learning, online learning gives students a chance to do distance learning and effectively...

Cultivating and developing strategic emerging industries has its own special mode, so the development of strategic emerging industry depends on not only the technology innovation, but also the cultivation mode and mechanism innovation more importantly. This paper compared several foster strategic emerging...

Comparison with conventional manual adjustment to control the drop speed in clinical infusion, the infusion monitoring system can achieve much more high reliability and efficiency, and is easy to realize the automation of infusion. So the infusion monitoring system has been designed in the last papers....

Biases affects our judgments and decisions everywhere, because in our daily life, no matter where you are, what kind of occupation you are doing, every decision we make is more or less interfered by cognitive biases, which even determines the outcome of things. In addition, with the development of the...

Tracer study which is a form of survey to LSP Unesa which organizes competency certificates that have strategic value for the development of higher education. The results of this tracer study activity can be used to evaluate the LSP that provides competency certificates to students. To find out the competencies...

Compensation provision remains a challenge in the wage system for fulfilling job satisfaction among workers in carrying out their duties. Based on this issue, the researcher conducted a study aimed at determining the influence of compensation on the job satisfaction of daily freelance workers at the...

The Confucian style flourished in Nantong area, so the Confucian ethics involved in the construction of residential buildings. In these buildings, "heaven" and "people" blend with each other, reflected in everything from layout to decoration. This paper starts from the discussion of the spirit of Confucian...

A total of 832 college graduates in Wuhan City were selected as participants to analyze their psychological capital (PsyCap) and coping styles, using the method of cluster sampling. Data were collected via the PsyCap Questionnaire (PCQ) and the Simplified Coping Style Questionnaire (SCSQ).This paper...