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The handling equipment optimization problem of material handling system for large ships is discussed in this paper. The optimization models for two supply ways which includes shore-to-ship and vessel-to-vessel are proposed respectively, which are converted to linear programming problems in order to analyze...

Chemistry is one of the subjects that is quite difficult for students to accept, especially in the introduction to the periodic table of elements, which are not small in number. So there is a need to develop interactive learning media to increase students’ interest in learning. This study aims to create...

Short video has developed rapidly in recent years due to its fragmented characteristics, but the establishment of industry regulation system fails to keep pace with the development of the market, resulting in serious copyright infringement. In view of the infringement phenomenon and market governance...

Achievement prediction is an important content of educational data mining, and accurate achievement prediction is of great benefit to teaching management. In this paper, we propose a performance prediction method based on genetic neural network. This method first uses correlation analysis to screen the...

The contradiction between the temporality concerning the Ability-to-be (Seinkonnen) and Dasein of ego is the embodiment of the dialectics. Martin Heidegger thinks, although we are dying as long as we exist, most of us do so by way of falling (Verfallen). It is elaborated in this paper that identity exists...

As we know, the coronavirus spreads from person to person and attacks mainly a person’s respiratory tract and causes other diseases to worsen. Various preventive measures were also taken such as large-scale social restrictions, new ethics in society and certain restrictions. With this paper, we re-discuss...

The economy is relevant to the quality of people’s daily life. As one of the components of the economy, the development of the enterprise is the main factor affecting the economy, and the positive leadership style and business model can affect the development of the company. The author chose a company...

In 2019, the outbreak of COVID-19 has different influence to different sectors in Chinese stock market especially the hotel, catering industry. Therefore, this study adopts the event analysis method, selects The Chinese hotel and catering industry stock index as the research object, takes the stock index...

In order to speed up the construction of an innovative country, and deepen the reform of scientific research system, the Ministry of Education and the Ministry of Finance jointly implement a plan to promote the innovation ability of college. This is a strategic choice to solve the backward science and...

With the rapid development of network communication technology and Internet technology, international trade enterprises will face the business operation mode change by using the advanced information technology to strengthen the traditional advantages itself. The application of international trade information...

In the flotation of copper - lead - zinc polymetallic sulfide ores, flotation separations of those valuable minerals have been a difficult problem due to their finely-associated intergrowth and similar flotability of these sulfide minerals. This paper summarizes the research status and progress of mineral...

Book cover is not only the representation of its content but can also be the representation of the sociocultural aspects of its production site. Especially with a sensitive matter such as feminism, each publisher in each respective society must have designed book covers that both fit and attract the...

In order to develop more suitable anticorrosive coatings for hydraulic engineering metal structures, studies were carried out on the preparation and electrochemical properties of water-borne inorganic zinc-rich coatings in this paper. Through effective regulation of the type and dosage of silicate and...

Automotive product injury risk evaluation is an effective means to reducing the loss caused by automotive product injuries by controlling the risks of such injuries. Based on the product injury monitoring data from the national product injury information monitoring system, and focusing on potential injury...

With the development of the times, the overseas Chinese and their hometown of Guangdong province are changing. Viewing the four perspectives such as the historical composition of Cantonese overseas Chinese, the interaction between overseas Chinese of Guangdong province and their hometowns in modern times,...

This paper analyzed the content, distribution, seasonal and vertical variations of Pb in Jiaozhou Bay based on investigation data in surface and bottom waters in different seasons in 1982 and 1983. Results showed the seasonal variations of Pb contents in surface and bottom waters were consist in generally....

As the proliferation of mobile malware advertising, there are no existing industry rules and legal restrictions on them, users need to identify and undertake adware risk by themselves. In response to this situation, it puts forward mobile advertising security risk assessment model based on AHP. This...

In order to solve physical problems, we must establish mathematical models for the problems. Mathematical models often are differential equations relating an unknown function and one or more of its derivatives. In this paper, in order to solve high order differential equations, we first proved the expression...

The increase of the feed speed leads to severe thermal deformation, which seriously affects the positioning accuracy. Therefore, we take the X-ray feed system for machining center as the research object. Then, by analyzing the main heat source and establish a finite element model, the steady-state temperature...

Ensuring management efficiency under uncertainty becomes more difficult and is influenced by many factors. Human factor and the relevant functions also play a significant role in management. At the same time joint stock society management has its own specific aspects. We have conducted a cross-cutting...

Objective: To explore the corresponding measures based on the analysis of the current status and problems of public health staffing of the CDC in a prefecture-level city, so as to provide some references for improving the ability of local CDCs to respond to public health emergencies. Methods: In order...

After the subprime mortgage crisis occurred in the United States, the worldwide financial turmoil not only resulted in a series of serious negative consequences in the global financial field, but also brought a relatively big impact for our country’s economy. In order to response the global financial...

Educational personnel have an important role for tertiary institutions. Education personnel function to guarantee the continuity of the education delivery system in an institution. The performance of educational staff will greatly affect the performance of tertiary institutions, one of the factors that...

With the rapid development of computer technology and network information technology, people tend to use the Internet and information technology to standardize the process, simplify the procedures and improve the efficiency. The research and application on the professional information management and...

In the chemical industry, a large pressure range, relatively stable voltage output DC power supply is often required. This paper mainly studied on the control method of DC conversion circuit. The full-bridge configuration electromagnetic isolation has advantages in efficiency and pressure range. The...

The application of artificial neural network theory has penetrated into all fields, and in the intelligent control, the development of the neural network computer optimization computing, computer vision and image processing, pattern recognition, continuous speech recognition, data compression, knowledge...

This paper announces an algorithm to localize service robot in the spherical coordinates and presents a method to implement ultrasonic localization of IGPS (inversion GPS) in the spherical coordinates. In addition, the algorithm is justified after a simulation.

This paper is to establish the finite element model (FEM) of atlantoaxial joint (AAJ) with vertebral artery (VA), and then have a clinical traction simulation, in order to observe the stress distribution and characteristics of AAJ and VA. CTA data of head and neck in 10 cases were used as the study objects...

Aiming at the uncertain problem in analog circuit fault diagnosis, a new method based on Bayesian network is proposed. Given a set of measurements from the circuit, and a set of possible faults, the task is to calculate the probability that the faults are present. This paper then discusses the methodology...

Aim at large amount and complex features of network video data, this paper proposed a fast algorithm of detecting pornographic video in streaming media. Combining the information of motion vector field and the features of pornographic behavior trajectory, we could judge that weather a video is pornographic...

Column - crossbar rail is the heart of the Moving beams CNC gantry machine which is now widely used in Machinery manufacturing. Whether the structure is rational directly affects the dynamic performance of the whole machine and machining accuracy. The traditional slide, linear rolling and hydrostatic...

The improvement of scientific research capacity and level is closely related to the construction of the teacher team, the teacher team construction is the core of the independent college construction after transition. This article starts from the importance and urgency of teacher team construction after...

Computer simulation technology has been applied to many industries and fields, due to its intuitive, convenient and interactive visualization. Java3D programming technology is easy to be operated, and its cross platform performance is good, and it is easy to develop web-based applications, so it is the...

With increasing age, the elderly, the special requirements of living space and a corresponding increase in the degree of dependence. This article focus from the functional space housing the elderly begin to analyze the elderly housing designs should be noted that the problem of elderly residential points...

In recent years, Yangzhou City has achieved remarkable results in the transformation and development of modern agriculture. The distribution of agricultural productivity has been continuously optimized. The industries with distinctive advantages have been growing stronger and stronger. A new type of...

This study aims to describe, analyze and interpret the implementation of the child identity card policy at the Department of Population and Civil Registration, East Bolaang Mongondow Regency. The approach uses a descriptive qualitative approach, with the number of informants as many as 11 people with...

This article studies the default risk and interest rate risk of bonds in terms of evaluation methods and influencing factors based on 15 literature articles. The paper showed that the main evaluation models for the default risk include the KMV model, Logistic model and ZETA model, while those for interest...

Technological developments have grown rapidly and very affect human life. In this fast-paced era, more and more data is circulating, one of which is about E-Commerce. Different personalizations for each person and certain habits help generate the use of big data technology in improving the user experience....

This research intends to find the competitive dynamics in the market of video streaming. With the video streaming market entering a new era, how to adapt the current business strategy to the changing preference of customers has become a vital issue for every participant within the market. In the research,...

With sensor technology matures, wireless sensor networks in the field more and more attention and has been widely applied. As the wireless sensor network system behavior is heterogeneous, traditional wireless sensor network system design modeling focuses on single subsystem model behavior from the wireless...

To study the shearing performance of asphalt mixture with Lucobit, AC-13C and SUP-20 asphalt mixture with Lucobit were carried out the uniaxial penetration test and the the direct shear test. The results show that the angle of internal friction of the same gradation and temperature has little difference,...

As a nonlinear dynamical system of double-disc generator, double generators will produce chaos and limit cycle phenomenon under certain conditions and a range of external inputs.Using the state feedback control method control motion chaotic system.The feedback gain is determined by the pole placement...

The paper examines the role of historiography in the formation of the identity of imaginary communities ("we-groups") by conceptualizing the past. Historiographic concepts serve both to define the boundaries of "their" group and self-identify its members, as well as to form opinions about other "we-groups"....

According to the mineralogy of the polymetallic ore the process of preferential flotation of copper was adopted, and the separation of lead, zinc and sulfur were carried out and implemented Four products, including copper concentrate assaying 22.67% Cu at a recovery of 91.77%, lead concentrate assaying...

The film Jojo Rabbit, directed by Taika Waititi, tells the story of World War II when a young German boy was brainwashed by Nazi propaganda and was determined to become a dictator like Hitler. However, his life changed after finding a Jewish girl hidden in the house by his mother. The film Jojo rabbit...

Based on the health belief model, this paper discusses the main factors affecting the dissemination and acceptance of college students’ sexual knowledge. This paper mainly adopts the quantitative research method, through issuing questionnaires to college students living in Shanghai, Guangdong and Henan,...

Nowadays, Chinese students are under tremendous pressure to study. Chinese government published a new policy called Double Reduction Policy in order to solve this problem. Double Reduction means reducing the heavy homework burden and after-school training burden of students in the stage of compulsory...

This paper studys on the determination of elastic modulus of amorphous alloys by acoustic method. The method is simple and effective, convenient and fast, non-destructive and has strong practical significance. A cantilever beam structure is selected, and the non-contact acoustic measurement and analysis...

The development of computer science and plane geometry brings a new favorable opportunity for the research about the Four-color Theorem. After converting original map to undirected graph, this paper proposes a new method based on undirected graph and polygon triangulation to prove the Four-color Theorem.

In recent years, people’s material life has been greatly improved. However, the physical quality of college students has declined to varying degrees. The results of physical education curriculum reflect the physical fitness of students, and accurately predict the results of physical education curriculum,...