Search all articles

We clarify and extend some remarks raised in [5] [Constantin A, J. Math. Phys. 46 (2005), 023506] about the evolution of compactly supported initial data under the Camassa-Holm flow.

In this paper we discuss a theoretical model for both the free-surface and interfacial profiles of progressive nonlinear waves which result from introducing an obstacle of finite height, in the form of a ramp of gentle slope, attached to the bottom below the flow of a stratified, ideal, two-layer fluid....

This article is a direct continuation of our paper which was published in the Journal of Nonlinear Mathematical Physics 1994, V.1, N 1, 75­113.

Recognition of characteristic patterns is proposed in this paper in order to diagnose the presence of electromechanical faults in induction electrical machines. Two common faults are considered; broken rotor bars and mixed eccentricities. The presence of these faults leads to the appearance of frequency...

The article considers a previously unknown project of the “Institute of Statistics” of I. I. Leonidov. After considering the authenticity of the new materials, the project is analyzed in the context of the work of I. I. Leonidov and Soviet architecture of the 20-30s as a whole. The analysis of the project...

Vehicular ad hoc networks (VANETs) enable communication between automobiles and communication equipment positioned along the street to provide road safety and convenience applications. Security is a must for all of these applications. Due to its highly dynamic architecture and frequent connectivity breakdowns,...

Biodiesel is a substitute for diesel fuel which is produced from the synthesis of various plant or animal oils. Waste cooking oil is an example of plant oil that can be used as raw material to make biodiesel. To prevent saponification at the trans-esterification stage it use Deep Eutectic Solvent (DES)...

Research aimed to investigate the effect of breed and physiological status on hemoglobin. This research uses a total of 279 apparent healthy Sapera, Saanen, and Ettawa crossbred goats with different physiological status (adult buck, pregnant does, dry does, post-weaning, female kids, male kids, lactating...

Recently, Zuckerberg announced the renaming of Facebook to Meta, focusing on metaverse ecological construction. Over the next ten years, Facebook will focus on building a new digital virtual world connecting social, gaming, education, and other areas [1]. Roblox, Bytedance, and other competitive scientific...

In a community there is a reflection that can describe the state of a particular society, because in the process of interaction between individuals in the group or community it will potentially cause a conflict because each individual has different interests. The purpose of this study is to find out...

Adolescence is a critical stage in human physical and psychological development as it transitions from infancy to maturity. One in seven adolescents is considered a mental health problem, and autism spectrum disorder (ASD) is one of the most common psychological disorders during this period. Communication...

This article through the study about the development situation of Malaysian Pewter, analyze Malaysian Pewter artistic features while combing their plastic arts features, and then make further analysis of the relationship between Malaysia Pewter and Chinese Pewter in order to explore the influence of...

Disconnector(DS) operations in GIS may generate very fasttransient overvoltage (VFTO), which is characterized by its high peak value, short rise time, and high frequencies. However,most studies on VFTO are based on statistical data, which cannot show the impact of different phases to VFTO.In this paper,...

This study aims to promote the development of vocational education in our country energetically. The analysis is followed by introducing the course of development on vocational and technical education in Britain and summarizing the successful experience of vocation in our country with strengthening the...

This paper describes the split measure algorithm about tracks data. In accordance with the needs of the project, the algorithm can be used to measure the two parts, the three parts and the five parts of the data and then combine them together. The algorithm is based on the overlap area of each measurement....

Even when the ICT industry in the Slovak Republic has been one of few industries in which the employment has grown last years, the socio and economic regional disparities in Slovak regions influence an economic development in Slovak Republic (further SR). The purpose of this study is to analyze clusters...

The aim of this paper is to solve or alleviate the binge drinking problem of university students from a psychological point of view. Traditionally, people were used to accepting medical interventions to alleviate their problems. But in this paper, the author considered the effects alcohol misuse makes...

No matter it is in the traditional concepts of education or the modern teaching model system, we advocate to have more interaction between the link to improve the students' attention, stimulate students interest in learning, and now under the environment of digital interactive teaching form more multiple...

Flange socket is a socket fittings which require a higher production process, and has a large market demand. The complex external shape, high precision connecting parts are very difficult to process. The traditional production engineering caused a great waste of materials and is very low efficient, and...

Release law of heavy metals from waste rock are significant to the heavy metal pollution control in nonferrous metal mining-area. We took the waste rock of Dexing Copper mine as the object and carried out the leaching experiment with with simulated acid rain(pH3.0, pH 4.0, pH6.0 and pH8.0) which were...

In this paper, through the analysis of core demands related multivariate process condition data, the obtained features and classification results are used to calculate the alarm statistical index. By evaluating alarm presence rate and effective alarm rate, alarm classification filtering is achieved,...

With the booming of online education, the construction of teaching resources has become a priority among all in modern distance education. High-quality online courses are deemed increasingly as an outstanding feature of online education aiming to carry out teaching quality project in higher learning...

At present sanitary landfill method is used in most towns and cities to handle the garbage . The technology is relatively simple, reliable, economical and easy to operate and manage. Ecological landfill is a new method of the landfill based on the development of foundation. This paper aims to explore...

Exhibition tourism is an essential part of city tourism. In recent years, the successful held of a series of exhibition and events of major city in China have close relationship with the volunteer service. This text through the analysis of the questionnaire, on the basis of the condition of volunteer...

This work aims to develop an Empirical Analysis of Des-tination Competitiveness of three main cities of Sinaloa, Mexico with a well-known Crouch-Ritchie model. This problem is approached as a multicriteria ranking problem with an outranking method and a multicriteria group deci-sion support system to...

In this paper, a method is presented to extend the length of integral distinguisher of Feistel-SP structure, based on which a new 8-round distinguisher for the block cipher Camellia is proposed. Moreover, integral attacks on round-reduced Camellia without FL/FL-1 are improved. We attack 11-round Camellia-128...

For the lack of the backbone network in wireless sensor networks,this paper proposes a virtual backbone construction algorithm based on connected dominating set in wireless sensor networks(IPCDS).The algorithm gives priority to more energy and closer nodes in the choice of backbone nodes,which makes...

To facilitate regional economic monitor, this paper constructs economic climate index of Shandong province using frequency filter method. The main analysis findings include: The economy of Shandong is more stable comparing with Guangdong, Jiangsu and Zhejiang; the economic fluctuation of Shandong is...

Aim at the general problem of software project management curriculum, this paper proposes some reform ideas for the course teaching, including improve teaching mode, teaching methods. We use project-driven, scenario teaching, case studies teaching and large software project management simulating to enhance...

On the field trip of the development of village banks in Heilongjiang province, compared with other rural financial institutions, In order to further understand the development of village banks in Heilongjiang province, the paper used the DEA model to analyze the operation performance of four village...

Strategic emerging industry is the key to seize the commanding heights of the economy and promote the change, the pattern of regional economic development. To develop must make a choice. Only the right choice can promote the development. However, the choice of regional strategic emerging industries is...

With the development of the computer technology, the size and complexity of software increase sharply. It is necessary to have further researches into the softwarequality measures. However, as one of the most important measures, the coupling frameworks are too subjective and ambiguous. There is also...

Cretaceous, in Kuqa River-Kelasu River region of the northern Tarim Basin, is composed of, in ascender order, Shushanhe Formation, Baxigai Formation and Bashijiqike Formation. Based on field observations in the respectives of sedimentology, an alluvial depositional system consisted of fan-delta, braided...

Big data platform can integrate the mass data in some certain ways to unearth products and services of huge values to promote the economic and social change. This paper analyzes the characteristics of the information resources in the era of big data, and explores the integration models of information...

In recent years, the application of WeChat public signal is very wide in many different areas. Colleges and universities also conform to the development of the times, in carrying out a lot of daily activities when the use of WeChat public single to bring some convenience for the work, especially the...

Power supplies timely supply for the stable operation of the national grid and construction has the vital role. In this article, through the analysis of the characteristics of the electricity supplies demand, from the perspective of demand side, the production side, supply side research the contradiction...

Constructing graduation creation (design) system with "five-in-one" pattern of "experiment teaching, professional competition, graduation (course) design, graduation field work (practice), graduation creation (design)" can better take advantage of regional resources through practical planning and empirical...

At present multiple choice questions as a testing item are adopted widely in College English tests, and play a significant role in assessing students' English proficiency. However, in practice the design of multiple choice questions is also difficult in many aspects, especially with regard to the selection...

Introspection is of paramount importance to individuals and nations, and it avoids recurring mistakes. In the teaching of modern history, we must first stop the way of education that develop patriotic ideas by arousing hatred; change the understanding that the disaster is brought by others; change teaching...

The core parts of double ring reducer is the internal gear pairs with small tooth difference. To build the 3D parametric assembly model of the internal matins gears with small tooth difference, the internal variable t of UG is introduced. The roll angle formula between addendum circle and dedendum circle...

Basing on TG-DTG-FTIR technology, researching about kinetic activation energy E about eucalyptus and absorption bands and characteristic peaks of volatile product under the heating rate 10 min-1, 30 min-1, 60 min-1respectively. The experimental results show that eucalyptus pyrolysis process can be divided...

In this research paper, we research on the cloud computing load balance degree of priority scheduling algorithm based on convex optimization theory. Clustering is an important problem is the load balancing in the system. Load balancing cluster system goal is according to the performance of the processor...

According to the characteristics of the short-term load forecasting, this paper established a integrated sample system. Through the analysis of various factors and load data to evaluate the effects of various factors on load forecasting, choosing the most appropriate forecast samples. PSO-LSSVM-Cloud...

With the development of our social economy enters the new normal, and the development of China's capital market, the phenomenon of financial fraud and the consequences are increasingly serious, which not only hinder the healthy development of the listed Corporation, but also destroy the capital market...

Language is the most important tool for human communication, is a means for human beings to form and express ideas, is the most basic information carrier of the human society, and is the symbol system of the combination of sound and meaning of the social convention. Culture refers to the behavior and...

With the rapid development of intelligent substation, GIS equipment and electronic transformer are widely used. So traditional phase-detection on high-pressure substation has been unable to achieve. Using virtual instrument technology, this paper designed a phase-detection meter on embedded computer...

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,...

According to the medical pattern and problems of our country, this paper researches and develops a kind of high reliable and intelligent primary medical system, which has strong adaptability to the environment and long duration. It can also replace community medical practitioners to do some necessary...

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...

Active component -SO3H of activated carbon loaded catalyst is prepared by carbide sulfonation reaction between concentrated sulfuric acid and glycerol. And effects of different reaction conditions were studied on the basis of the reduce ratio of acid value after the esterification reaction occurred in...