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Traditional blasting techniques for rock and concrete demolition present environmental pollution and safety risks. Although soundless chemical demolition (SCD) is environmentally friendly, it faces efficiency bottlenecks such as long reaction times and poor low-temperature adaptability. This review aims...

We herein try to improve the human-machine interaction of military vehicles, which need the evaluation model of designing user interface (UI). Current evaluation of UI depended on the measured data of a large number of users, which were time-consuming as well as lacking quantitative evaluation. And there...

In this article, we focus on the inverse scattering transformation for the Fokas–Lenells (FL) equation with nonzero boundary conditions via the Riemann–Hilbert (RH) approach. Based on the Lax pair of the FL equation, the analyticity, symmetry and asymptotic behavior of the Jost solutions and scattering...

We present a method to automatically register images based on feature similarity and image decomposing by multiple wavelet-transform. We use GHM multi-wavelet to decompose the image, then use mean-shift image segmentation algorithm to extract the image feature. We serve the regional features as matching...

The teaching methods of Micro Learning Resource (MLR) and flipped classroom are used in this paper, combining the information professional "embedded system design" course and characteristics of its experimental teaching links, reform on experimental links supporting the course is carried out pertinently....

In the paper, we present and prove Castle Theorem of Convex Hull, design and realize the Fast Rampart Searching Algorithm. The algorithm can be treated as the preprocess of Convex Hull calculation of very large planar point set. When calculating the Convex Hull of a very large planar point set, we can...

Business Administration is the first level discipline of management category. Students who majored in Business Administration are required to master extensive theoretical knowledge of management and all kinds of professional skills. And the practice course takes up an important occupation in the teaching...

Big data is the new sixth medium. Its rise has brought new ideas and development space to creative writing. A single concentrated question tends to be more oriented towards the topic. Text single media expression skills are transformed into multimedia composite presentation. The author’s preset structure...

Physical education in China’s educational system is as an important discipline, it plays an important role for building sports education system. Meanwhile, with the large-scale and standardization of secondary schools, the optimization of the teaching quality of secondary school physical education becomes...

Due to arbitrariness of handwritten mathematical formula, it is difficult to do the structural analysis and displaying automatically. In this paper, an improved algorithm of generating ternary tree is proposed to solve the limitation. Firstly, a ternary tree of character sequence in handwritten mathematical...

This study was conducted to produce pineapple-chili sauce mixed with seaweed (Kappaphycus alvarezii) based on the best formulation, to determine nutritional composition of the control and the best formulation and to determine the effect on quality of this product. A total of 3 formulations had been developed...

Let G be a simple connected graph with the vertex set V(G) and the set edge E(G). The set S ⊆ V(G) is called the k-metric generator on G if and only if every two different vertices in G are distinguished by at least k elements in S, in other words for every two different vertices u,v ∈ V(G), there are...

Snow Flower and the Secret Fan is a popular novel by American author Lisa See. The description of the Laotong relationship - an ancient Chinese relationship that bounded two unrelated girls together to form a for eternity as kindred sisters - has been widely discussed by the public. There exist two prevalent...

Common forms of cloud storage can be divided into distributed file systems and distributed database. Among them, the distributed file system uses large-scale distributed storage nodes to meet the demand of large files stored. The paper describes big data acquisition and processing key technology based...

on the situation of the ventilation system applied in the coal mine, an online-monitoring system is designed, which focuses on monitoring the parameters of the frequency conversion speed regulating fans. An S7-300 series PLC is employed as the operational core in the proposed monitoring system, which...

Second language (L2) Learners' beliefs about English have become one of important factors to influence their self-regulated learning capacities and achievements. This exploratory study investigated L2 learners' style preferences of learning English in distance education programs based on the results...

Background: Rural disaster prevention and mitigation publicity behavior plays an important role in villagers’ natural disaster risk resistance, but related research has not been quantitatively studied due to the availability of data. Objective: To study the influence mechanism of rural disaster prevention...

Single-phase Pulse Width Modulation (PWM) rectifiers are widely utilized in electrified railway systems and other power equipment. Yet, Single-phase PWM rectifiers generate low harmonics during operation, which leads to additional losses in power equipment and affects the grid quality seriously. The...

Water injection is a main method in the development of oil field in order to obtain high recovery efficiency, especially for the complex reservoir. This paper is concerned with water injection development of complicated stratum reservoir. It introduced the special condition of the water injection area,...

The data of Shanxi GDP from 2009 to 2014 was analyzed Based on the model of GM(1,1) of Grey Theory. It calculates the development of GDP in next few yeas. Then again, we use Grey correlation analysis on primary, secondary and tertiary of Shanxi, discussed the correlation of GDP to them. Based on the...

Indoor thermal conditions and structure features of the construction of rural dwellings in Northwest China were investigated and tested, the results show that the rural building duo to lack of scientific and systematic thermal design, the thermal properties of building envelope structure is poor, the...

With the development of computer and communication technology, the Internet of things (IoT) is developing vigorously among people to realize interconnection, to link objects or people with any other objects. This paper is based on the related research results of a series of concepts such as the semantic...

The cracking of electrochromic materials due to aging or reiterative bending is a major problem, which noticeably degrades the performance of electrochromic devices. In this paper, a new polymer DFTPA-MA, which integrate the triphyelamine (TPA) and self-healing group, is reported in this paper. The colour...

Based on the actual production data from 3200m3(the effective furnace volume) blast furnace ;a model of blast furnace blast system was established with the software FLUENT. According to improve of blast furnace operation, the influence of the operation at the tuyere level to the distribution of blast...

This paper explores how smart service management can enhance the student learning and engagement in new engineering education, using vocational and technical colleges as researching objects. The paper conducts a qualitative research using document analysis, questionnaire survey, and semi-structured interviews...

In order to solve the delayed fracture phenomenon of the wear resistant steel plate,the chamber electric furnace was used to carry out the tempering test;and the influence of tempering temperature and tempering time on the hardness, tensile strength and -20 impact energy of the wear resistant steel is...

Influenced by the government policy of anti-public corruption, high star-rated hotel industry in our country ran into huge impact, large amount of high star hotels try to control and prevent spreading the negative effects. This paper is going to help high star-rated hotels seek new ways on cost control...

The different concentration of BPEI were blended into the MEH PPV, and then respectively be composed into the MEH PPV/ZnO PHJ solar cells. Through calculating the dark reverse saturation current, we found that the interface barrier ΦB was changed. Interestingly, the open circuit voltage Voc was observed...

In this paper, the lightning arrester explosion accident and transformer short-circuit accident in power supply system were analyzed in detail. It was found that the operating over-voltage caused by the frequent operation of the 35kV high voltage switchgear was the main cause of the accident. It was...

In this paper, a two-way denoise-and-forward (DNF) multiple-input-multiple-output (MIMO) relaying scheme for land mobile satellite (LMS) communication is proposed. We first describe the system model of two-way DNF MIMO relaying and the channel model used in LMS communication. Secondly, we use binary...

Objective: To investigate the status quo of pension service system in Xi'an, analyze the existing problems and propose corresponding countermeasures. Method: The elderly and pension service institutions in Xi 'an were studied. Results: Survey showed that about 63% of the elderly in Xi'an are mainly home-based,...

The necessity of the construction of Shaanxi tea marketing service platform is analyzed by the SWOT method in the paper. The purpose of the work is to design the overall framework of the “Internet + tea products” marketing service system guarantee platform. Relying on the network platform provided by...

Cloud computing, the background technology and capacity guarantee to Internet applications, has been widely and deeply used in recent years, which also gives small and micro enterprises a new way to solve the problem of financing. This paper analyzes the current situation of small and micro enterprises...

In recent years, implicit learning theory has been one of the focuses of cognitive psychology research, and foreign language learning has important enlightening significance. This article aims to introduce implicit learning and its characteristics, and on this basis, discuss the application of implicit...

In this paper, by introducing a fractional transformation, we obtain a bilinear formulation for the (N + 1)-dimensional Burgers equation. Such a formulation constitutes a bilinear extension to the (N + 1)-dimensional Cole-Hopf transformation between the (N + 1)-dimensional Burgers system and generalized...

The LPI/LPD communication is a technology of hiding the information into the noise or other useless signals through an efficient modulation, making it difficult for the detector to capture the hidden information. Spread-spectrum communication has good characteristics of LPI/LPD and has been widely used....

Based on the full monitoring of mine ventilation system by a safety surveillance control system, the feedback control is applied to design a hierarchical control model. It mean that the total mine air volume is controlled by a main fan power supply module converter, the roadway area is controlled by...

The mechanism of Anti Gravity System (AGS) backpack lies in the use of highly elastic shoulder straps to create a bouncing motion when the user walks, thus the user doesn’t feel the constant load of the bag, which is similar to the ancient Chinese folk transporting tool “BianDan” in work principle. Theoretically...

As a distinctive communication and coordination mechanism of enterprise groups, the parent-subsidiary relationship has an impact on the innovation performance of subsidiaries. With the data of Chinese A-share listed subsidiaries from 2016 to 2020, we discuss the parent-subsidiary relationship from two...

This paper investigates the landscape phenomenon of fan-idol interaction and its underlying logic, taking the globalization of K-pop culture as a case study. In particular, it points out that the spectacularization of idol culture is a dynamic process driven by visual imagery and amplified symbolic value....

Currently, television fiction linked to video-on-demand channels, such as HBO or Netflix, is embracing narratives that explore and expand the representations of queer characters on screen. In this context, there are transmedia narratives that elicit fan participation. Therefore, this article has analyzed...

Ancient fabrics are of high importance to the modern fabric industry, and have attracted large amounts of amateurs. Therefore, they should be protected properly while accessible. In order to solve the problem, this paper designed and implemented a system to provide services for ancient fabric managers,...

This paper describes the advantages and disadvantages of various models to establish methods and EEG localization problem in the head model used and the source model, focusing on research and analysis of the latest developments to solve the problem of EEG localization algorithm principle, and finally...

Girl groups, K-pop groups made up of Korean women, generate music videos that promote values associated with genre in their fandom. At the same time, the fandom generates dance covers from these video clips, imitating choreography dance of girl groups taking their aesthetics and visual approach as a...

The focus of this paper was the involvement of new media in community governance with the aim to construct intelligent community and achieve community participatory governance. Combining communication and sociology, this paper was based on agenda-setting and cultivation analysis and started from the...

Strawberry is a popular fruit with high visual appeal and a desirable taste[1].that is also rich in vitamins, anthocyanins, flavonoids, and polyphenolics [2,3]. In China, the strawberry harvest season ranges from October to May. Normally, a cultivar that produced fruit before the Spring Festival is called...

Chopsticks, which is the chopsticks we often say in our lives, is one of the most common eating tools in our lives, but it is just because it is too common, so many people think it is just a food utensil, but it is still a symbol of Chinese culture. One of this special and important traditional cultural...

Energy management of isolated micro-grid with wind turbines and seawater desalination devices is of great significance to the use of wind power, the supply of fresh water resources and the economic operation of micro-grid. This paper established isolated micro-grid model including wind turbines, seawater...

In view of the current curriculum education, discipline competitions and innovation and entrepreneurship education, there are the following problems: old teaching content, low participation in discipline competitions, and the teaching reform of single course that is difficult to realize the comprehensive...

This paper considers a full-duplex two-way relaying (FD-TWR) system, where two terminals transmit and receive simultaneously with the help of a full-duplex relay node. We propose the transmission scheme for decode-and-forward (DF) protocol using the differential binary phase-shift keying (DBPSK) modulation...