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With the rapid development of the campus network date and high-availability, security requirements, the data backup and disaster recovery technology has been widely used, and this technology has become a key aspect of campus IT infrastructure. This paper analyzed the date backup technology, and proposed...

Digital literacy is one of the skills that students must learn in digital era. Digital literacy requires students to develop various skills such as the ability to find and create content, solve problems, and communicate online effectively. However, the digital literacy of students in Indonesia is still...

A pot experiment of ‘Shennong 9816’ treated by 0, 2 mg kg-1 cadmium(Cd) and 0, 1.4, 14 g kg-1 biochar were conducted to investigate the effect of biochar on the chemical forms of Cd in rice. The sequence chemical extraction method was used to study chemical forms of Cd in roots, stems and leaves of rice....

Value investment requires investors to hold the suitable company stock at the right price to achieve a certain profit purpose. Scholars all over the world are enthusiastic about studying it. In this study, linear regression was used as the primary method and use P/E, P/B, ROE, ROA, EPS, debt-to-asset...

Brine water based drilling fluids have advantages on protecting reservoir and stabilizing well hole, meanwhile, it also have some defects such as low lubricity and strong corrosivity, especially the low lubricity have already become an important problem demanding prompt solution. Focusing on the problem,...

With the continuous development of Internet and rich resources emerging on the Web, information retrieval based on XML has emerged; the similarity of documents is the basis of information retrieval. A new method SC-Similarity is proposed to compute similarity of XML documents from structure and content...

Based on the data of the sixth nationwide census, considering the background of the implementation of the universal two-child policy, the inter-provincial population size and the inter-provincial population flow scale are predicted. According to the population data in 2010 and 2020, the evolution of...

In recent years, with the introduction of various policies and the gradual improvement of basic measures for educational informatization, educational informatization has a huge impact on educational fairness both positively and negatively. Affected by the COVID-19 pandemic, more than 90% of world’s learners...

This research adopted PISA 2018 Student Questionnaires Database to process the sample figures in four participating provinces of China (Beijing, Shanghai, Jiangsu, Zhejiang), by investigating the academic achievement motivation among 10330 15-year-old students. Specifically, the study employed multiple...

In this study, an acid and alkali resistance cationic polyacrylamide flocculants (P(AM-MAPTAC)) was synthesized through copolymerization of acrylamide (AM) and methacrylamido propyl trimethyl ammonium chloride (MAPTAC) by innovative ultrasonic initiation technology. The structure and thermal decomposition...

Currently, due to the shortage of land resources, the resource development technology increasingly competitive among countries in the world. Our country is also committed to the development and utilization of marine resources in recent years. When working in the deep sea ,underwater exploration devices...

By simulating the distribution situation of urban landuse, practical reference can be provided for the future social and economic development of Lianyungang city and effective ecological environment protection. The city expansion simulation of Lianyungang region is done by using GeoSOS. By using the...

This study aims to identify Tourism Development in the Challenges of the New Life Habit Period and Post Covid-19 Pandemic in Tomohon City. The research method used is a mixed method between qualitative and quantitative. The results showed that: 1) The policy of development and development of tourism...

If students lack the ability in visual literacy skills, it affects the process and results in executing visual messages through their works. Students tend to be passive in finding visual references that can improve the quality of their work. The inability of students to perform visual literacy can lead...

This paper aims to provide an overview of the changes in education within Malaysia and Indonesia. The COVID-19 pandemic has exacerbated changes in society, but more specifically in education, forcing students and teachers alike to adapt to online learning. This paper will focus on 1) the changes within...

A Software Product Line (SPL) is a collection of software for configuring software products in which sets of features are configured by different teams of product developers. This process often leads to inconsistencies (or dissatisfaction of constraints) in the resulting product configurations, whose...

With the development of network information technology and multimedia technology, require Web sites with convenient, fast and efficient features, interactive website built into the current research focus. The use of interactive, resource sharing, this paper describes the development of interactive multimedia...

Water eutrophication have become serious ecological problems. White-rot fungi have been demonstrated to be a feasible means of control, but the genotoxicity mechanisms involved have not been reported. In this study, Cryptomonas obovata FACHB-1301 was co-cultured with Phanerochaete chrysosporium under...

The level of knowledge and adaptive capacity needs to be analyzed because both components are an effort to improve natural disaster mitigation. This study aims to analyze the relationship between the variable level of knowledge and the adaptive capacity of students to natural earthquake disasters at...

Regenerative braking is one of the important ways to extend the driving mileage of pure electric vehicle. Through analyzing the brake regulations and the vehicle dynamics, a control strategy was proposed to solve the problem on braking force distribution for the pure electric vehicle. The rate of regenerative...

Data augmentation is an important technique to improve the performance of deep learning models in many vision tasks such as object detection. Recently, some works proposed the copy-paste method, which augments training dataset by copying foreground objects and pasting them on background images. By designing...

Objective: This paper studies the subway tunnel seismic nonlinear dynamic response, so that can get some helpful conclusions, which is helpful for seismic designing of metro tunnel. Methods:A series of probems on dynamic FEM are discussed and suggestions about setting of soil dynamic constitutive model...

With the help of statistical software Eview6.0, qualitative analysis is carried out of China's civil aviation passenger traffic since reform and opening up. It is found that China’s civil aviation passenger traffic development experienced three stages: slow development stage from 1978 to1990, relatively...

In this paper, we will establish a Comprehensive evaluation model[1] of taxi resources, based on TOPSIS method. In the model, we consider several indexes: taxi no-load ratio. First, we analyzed the changing curve of each index in different time and space in Nanjing City. Then, the weight coefficient...

In this paper, the working principle and the method of using DRV8825 to drive the stepper motor are described, and the hardware and software design are given. Based on the introduction of TI's DRV8825 stepper motor driver chip, the chip has 2.5A bipolar step on-chip 1/32 microstepping stepper motor indexer...

This paper focuses on the recent drone and gesture recognition technology, and we try to apply the gesture recognition technology to a drone platform. Thus, a drone system capable of gesture-controlled navigation is implemented. The major components comprising the system are Parrot AR. Drone [1], Kinect...

The Covid-19 pandemic has put a strain on the world’s health care system since 2020 when the outbreak took a toll in people’s lives. This research mainly focuses on the adverse/ obvious effects of the pandemic on mental health and it aims to study the current level of mental health of the people over...

Online auctions have seen a tremendous transformation as online functions developed over the past decades. This paper aims to explore the background, state quo, and current problems of online auctions through a deep analysis of literature reviews and case studies. Using the examples of Mobile Internet...

The hot deformation behavior of 70Cr3Mo back-up roll steel was studied in the temperature range of 1173-1473K with the strain rates of 0.01-10s-1, respectively. Based on the dynamic material model (DMM), processing maps of 70Cr3Mo steel at the strain of 0.1-0.7 were developed and investigated. The effects...

The purpose of this research is to examine whether 1)ODL experience may affect DASS 42 test for analysing psychological condition of the students 2) level of satisfaction of students towards learning is affected by type of learning, 3) emotional disturbance students with different learning types. Sample...

Esuk sore batik is batik with two motifs that are moved through diagonal lines or vertical lines. The research aim to explain how the process of making esuk sore batik based on geographical Blora, explain the application of motifs with the source ideas of the geographical of Blora in the esuk sore batik...

Numeracy literacy is the ability to use basic mathematical concepts to solve various problems that are often found in everyday life related to science. This study aims to analyze the numeracy literacy achievement of junior high school students on the material of motion and force in bull racing context...

An efficient adsorbent for Cu (II) removal from aqueous solution was synthesized by grafting amino group onto jute fiber. The fiber was chemically modified by two steps, loading of epoxy chloropropane and triethylenetetramine. Properties of the modified jute such as surface chemical structure, tensile...

Multimedia technology is to point to by computer to text, data, graphics, images, animation, sound and other media information integrated processing, the user can through a variety of sensory real-time information interaction with the computer technology. Japanese multimedia hearing system is designed...

Xinjiang Uygur Autonomous Region, located in the northwest border of China, is one of the five ethnic minority autonomous regions with wide area in China. There are 47 ethnic groups, including Uygur, Han, Kazakh, Hui, Mongolian, Kirgiz, and Russia and so on. Xinjiang songs are influenced by the local...

Due to the establishment of current maritime satellite communication link is often used communication on the move system, but it often does not apply to the offshore mobile small platform, and the current research in this area is less. This article first on the basis of dynamic simulation of the motion...

Separator is an essential component of battery between anode and cathode, but the commercial micro-porous polyolefin separator can hardly satisfy the continuously increasing battery energy densities due to its poor mechanical stability, low wettability, and limited electrolyte uptake. Poly(vinylidene...

Sensitivity analysis is often used in investment decision-making to evaluate the risk under uncertainty. However, sensitivity analysis on the NPV method is seldom studied in the existing literature. This paper studied how sensitivity analysis could complement the NPV rules in investment decisions when...

In this paper, we propose a novel logo localization and recognition model in which we use the spatial pyramid matching with color proportion to train a score function and the Efficient Subwindow Search (ESS) to localize region and recognize specific logo. Our model has two advantages compared with other...

Accurately object searching plays an important role in computer vision. Retrieving and locating target objects in images are object searching’s two sub-tasks. Aiming to promote the precision and recall of object searching, selecting appropriate image representation methods is the core issues. The representation...

The research problem formulation is how to reinforce character education for students of the Geography Education Department, Faculty of Social Science, Manado State University. The study aimed to determine the implementation of reinforcement of the character education on students of the Geography Education...

The purpose of this study is to examine the influence of entrepreneurial technology opportunism on innovation performance through organizational readiness as a mediator and environmental dynamism as moderator. This study was carried out using a quantitative approach. The population of this study was...

Scientific popularization of tuberculosis (TB) prevention and treatment among adolescents is of utmost significance in fighting the battle against TB in China. To obtain initial progress in adolescent TB control, it is pressing to implement corresponding scientific popularization work for the specific...

The paper mainly introduce the intelligent network teaching platform designed and implemented by university computer foundation course network learning platform oriented to language c # and based on NET structure, which is connected with ASP.NET technology and ADO.NET technology. This network learning...

Many red fluorescent materials were weak and even no luminescence in solid state due to concentration quenching. So a novel red fluorescent pigment bis(4-(N-(9-phenanthryl)-3,5-dimethyl- phenylamino)phenyl)fumaronitrile (PhMPAFN) was synthesized. PhMPAFN with a pair of antiparallel dipole suppressing...

Combined with the new industrial development, the vector autoregression model covering sports market activity and sports financial investment, the added value of the sports industry is constructed by selecting a time series data from 2006 to 2020 in China to realize scientific research on the key factors...

With the great-leap-forward development of credit card, risk is also showing a trend of gradual expansion. Based on pre-control methods of damage control and Visual Basic .NET, the paper designs and implements credit card risk control system to provide information means for credit card risk control....

This paper examines the use of literature, such as fairy tales, in German lessons to improve students’ reading competence. This paper focuses on integrating the usage of literature as the learning material and the problem-based learning method. The data was obtained using a literature study and analyzed...

The competitiveness of tourist attractions is an essential part of the research on tourism competitiveness, but it has not been paid enough attention in the existing research on tourism competitiveness. 5A-level scenic spots are the highest quality tourist attractions in China's tourism industry,...

Backgrounds: Understanding mathematical concepts is significant and influences students in working on various problems. Understanding the picture is the basis that needs to be achieved to make it easier for students to proceed to the next level of understanding. When students understand a concept, they...