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According to the working mechanism of wet clutch and brake, nonlinear dynamics of teeth of friction disc strongly influences the dynamic behaviours. By utilizing Hertz contact theory and elastohydrodynamic lubrication theory the thickness and equivalent stiffness of oil film between inner gear of friction...

according to the different modes of transport, transport services is divided into the four ways of air transport, sea transport, land transport and pipeline transport. thereinto, the maritime transport service is traffic in a way that transport volume of maritime transport service accounted for more...

The supervising system of flower house's enviroment,which is put into function by the popul ar series of AT89S52 single machine tablet,mainly measures and controls the major tempreture and humidity of enviroment,which will be revealed by showing system.the paper gives an introduction of system's software,hardware...

Based on the maintenance and examination information of granted 3838 patents in 1994 by SIPO, this paper draws some conclusions after concrete analysis. Firstly, the maintenance time is negatively related to the examination time. Secondly, the maintenance times of most patents are 1-3 years and the examination...

A new magnetic contour matching (MAGCOM) algorithm is proposed, which reduces computation by searching the solutions in -neighborhood of measurement. This algorithm can be used in geomagnetism aided navigation to improve real-time practicability even there are large errors. Effect of the algorithm is...

According to the special needs of temperature, humidity, illumination and other environmental parameters monitoring in university library, proposed ZigBee + GPRS mode of communication based on ZigBeePro2007 wireless networking protocol, through the design of hardware and software, real-time monitoring...

In order to assess the reliability of circuit breaker more scientificly and effectively, a method based on improved fuzzy analytic hierarchy process and genetic algorithm is presented in this paper. Firstly circuit breaker fault tree is established according to analyzing the circuit breaker failures...

To solve the scheduling problems of stations in cooperative localization, binary particle swarm algorithm of scheduling direction-finding stations is proposed based on Fisher information matrix(FIM).This paper makes the trace of FIM matrix as positioning accuracy measure,constructs scheduling model that...

Rough waves may be incurred by strong wind over ocean, and the wind field behind the wave fluctuates violently, which can induce extraordinary impacts on bridges, offshore structures and vessels. The severely interfered performances of wind flows near sea surface by two patterns of rough waves are studied...

According to the problems of the vibration reliability of pcb in practical, a finite element model was established according to PCB actual parameters,and their first 4-order natural frequencies and modal modes are obtained by modal analysis,and the finite element model which is also helpful for the structural...

To explore the relationship between characteristics and decision-making outcomes of the tourist is critical to keep competitive tourism business. In investigation of tourism development, most of the existing studies lack of a systematic approach to analyze qualitative data. Although the traditional Rough...

OTA (Over-the-Air) measurement was carried out on a meander PCB antenna for several typical configuration, the passive test results were analyzed and several influence factors for passive OTA test were summarized.

This paper discussed the characteristics and development trends of the recognizable techniques of in-flight unlawful interference behavior based on multidisciplinary background. The author analyzed the theoretical and practical exploration in aviation security before and after 9/11 from the aspects of...

With the rapid development of modern science and information technology, the wide application of internet has offered a new carrier and channel for course teaching, while also brought many new challenges. The ubiquitous learning has become an important developing direction for future learning. Based...

Ni60 coating and Ni60/WC coating were prepared on the surface of H13 steel by PTAW, and some Ni60/WC coatings were annealed. The effect of annealing temperature on the microstructure of Ni60/WC coating was studied. The thermal fatigue test of the coating samples were carried out by a homemade thermal...

Image transmission is an important way to check how the tasks are progressed, which is also an important step of communication guarantee. In this paper, by studying the cases encountered by communication guarantee and by the analyzing real-time video transmission (real-time video transmission relies...

At present, China's tourism activities in the form of colorful, not only includes the traditional shopping tourism, sightseeing, but also developed a knowledge, full of good fortune and other effects of leisure travel. In the current tourism market, the characteristics of food can make visitors have...

In the era of technology-based service, a user review is one of significant source of diagnosing service qualities. The objective of this paper is to propose a user review based approach to developing the Importance-Performance Analysis (IPA) framework, which has been widely accepted as a tool for service...

The article discusses the historical aspects of church singing, as well as church singing practice related to the activities of the Orthodox Church in Russia. It is shown that this practice has become a part of the global musical culture and a solid foundation of the national performing choir school....

This descriptive study aims to know further about the impact of the sports facilities construction towards both for users and communities who live around the arena. 20 samples derived from people who live around the arena, and are within 50 meters, 50 samples derived accidently from ordinary people who...

The aim of this article was to describe the educational value contained in Tere Liye’s Selena novel, to determine the character of the characters in Tere Liye’s Selena novel, and to determine the implications of educational value and character of Tere Liye’s Selena’s novel on literary learning in High...

“Internet +” and big data have changed the development direction and thinking mode of the tourism and logistics industries to a certain extent, and studying the new business form of tourism logistics will contribute to exploring new growth points for tourism and logistics at the same time, achieving...

In order to solve the problems of high distribution cost and relatively low distribution satisfaction in the fresh cold chain logistics industry, it is proposed to calculate the customer satisfaction according to the fuzzy time window function, analyze the cost factors, and construct the distribution...

In the current digital era, the growing demand for personalized usage environments has increased the volume and diversity of data used in distributed machine learning, pushing the data computing and storage capabilities to their limit. Thus, numerous parallel optimization strategies emerge to enhance...

The article provides a general overview of BP’s hedging policy. We analyze how the company hedges risks and risks the company hard to hedge. BP is a multinational oil and gas company, the main risks in the area of swapping the economic exposure and managing its normal business exposures. Based on analyzing...

Introduction: Systolic blood pressure (SBP) does not always amplify from central to peripheral arteries. Individuals without SBP amplification (SBPamp) have higher aortic blood pressure (BP) despite similar brachial cuff SBP. To circumvent this discrepancy, the aim of this study was to determine if aortic...

The city of Palu and its surroundings in 2018, experienced consecutive natural disasters, earthquakes, tsunamis to liquifaksi. Not yet fully recovered due to the disaster, the global pandemic Covid-19 hit the world, including Indonesia. This makes teachers do various ways or strategies in online learning...

The purpose of this paper is to find the Apple’ marketing strategies in Chinese market, one of the most successful smartphone brands in the world. This paper will give the details of Apple marketing strategies in China, a marketing strategy refers to a business’s overall game plan for reaching prospective...

Unlike horizontal seabeds, offshore seabeds typically exhibit varying inclination angles. This inclined topography alters both the propagation paths and reflection characteristics of seismic waves, leading to significant variations in seismic impacts across different seabed zones. As a key structural...

The rapid evolution of wireless communication technology has led to the emergence of sixth-generation (6G) networks, which require highly efficient Multiple-Input Multiple-Output (MIMO) systems. Precoding is a basic technique to improve spectral efficiency and mitigate interference in MIMO systems and...

Indoor navigation is increasingly important for helping people move smoothly through large and complex indoor spaces such as airports, malls, universities, and hospitals. Because GPS signals are weak or unavailable inside buildings, most indoor navigation systems rely on alternative technologies, yet...

The Indonesian Law No. 33 of 2014 about Halal Product Assurance, Article 4 administers that the products entered, circulated, and traded in the territory of Indonesia must be Halal Certified, since October 17, 2019. The government has provided facilities for Halal Certification in the context of Omnibus...

In history, many countries were called "world factories". The reason why they became "world factories" at that time could not be separated from relatively stable political environment, huge economic scale and market share, rich land resources, cost-effective labor costs, and the most...

As human civilization reaches the era of intelligence, the coupling of artificial intelligence with numerous sectors and fields opens new possibilities. In the development and building of smart cities, artificial intelligence can also empower them, helping to alleviate current difficulties and optimize...

Under China's “dual carbon” goals, carbon emission data supervision faces coordination dilemmas between legal constraints and economic incentives. This paper constructs a tripartite evolutionary game model involving the government, energy enterprises, and Third-party Verification Institutions. Using...

The information retrieval behavior of library users is affected by many factors. Analysis of these factors will help libraries to formulate high-quality information service strategies. Sample data is obtained by questionnaire survey, and RBF neural network model is used to learn and analyze sample data...

From the development of robot technology,the implementation of the intelligent, safe and friendly mobile robot has been a goal by the human.In this paper, the definition of physical human-robot interaction is introduced; The classical visual servo system is analyzed, and we conducted a comparison and...

In the new media environment, the marketing strategy can be made better by constructing a cloud platform of network public opinion monitoring that has huge amounts of technologies. It would be cost a lot of time and money to search agent one by one for achieving the best coalition's behalf in such a...

Power system frequency control technology plays an important role in the maintenance of the safe and stable operation of power system, and the primary frequency regulation occupies the important position relied on its own advantages. In order to analyze the primary frequency regulation, the definition...

A three dimensional rigid-flexible coupled vehicle system dynamics model was built to simulate the vibration response of carbody, and the short wave of track spectrum was considered during simulation. Before the simulation, the finite element model (FEM) and substructure modal analysis of carbody was...

PLC is a kind of special order to the industrial control microcomputer system.In order to adapt to the requirement of sequence control,Out the microcomputer some Numbers of PLC function, and strengthen the function of logic control,Is a kind of between relay control and computer control automatic control...

Silica gel has a potential ability to adsorb water vapor and contaminant together, so it has been focused recently in indoor air environment. In this paper, the performance of silica gel adsorbing trace gas pollutions in isothermal column is studied through theoretical methods. The model of the adsorption...

The family exit-entry certification in the Bamboo Slips of the Han Dynasty in the northwest is used by the families of the soldiers in the northwestern side of the Han Dynasty to enter and exit the checkpoint. The elements of the family exit-entry certification are the official residence, position, name,...

Student affairs administrators play an important role in the growth of students, so it needs to pay attention to their occupational well-being in order to better help their career development. Based on the understanding of the concept of well-being and the overview on its present situation, this paper...

Psychological committee members must be equipped with certain knowledge, skills and personal qualities, which is the conclusion drawn from long-term theoretical research and practical experience. Based on the relevant research of the psychological committee members, this research carried out group counseling...

This study aims to describe and implement the form of communicative competence in teaching Indonesian. This research is qualitative research with descriptive method. The focus of this research is the form of communicative competence in Indonesian textbooks. Class X Book of Revised Edition 2013 Curriculum...

CNC integrated inspection is an important component for monitor and diagnosis in integrated manufacturing process, and is a pivotal step avoiding grave incidents timely and effectively. Combined with the methods used before in the CNC integrated inspecting plan, an improved domain ontology knowledge...

Quantizing Error during the process of JPEG compression is analyzed, and a new information hiding algorithm is proposed based on Quantizing Error of JPEG image. Experimental results show that the proposed algorithm can provide a high capacity information hiding and keep the visual quality well, also...

The famous new immigrant writer Zhang Ling showed her rich family education thoughts in her novels. The female protagonists in Zhang Ling’s novels are mostly intellectuals, many of whom have received a good education and can mange on their own. Their achievements are inseparable from good family education....

Globalization comes with technology and communication advancement. It brings various challenges to social life, especially the youth. The youth now tend towards being consumptive and hedonistic. Low social orientation but strong private orientation make them focus more on self-achievement rather than...