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This paper proposes the concept of intervention rule which tries to reveal the interventional relationship between elements in a system in the following three aspects. (1) Casual relationship. Intervention rule shows which element is the cause and which element is the consequence. (2) Quantitative relationship:...

The paper focus on the problem that a certain type of rapid rate firing gun, which the army equipped, it's muz-zle velocity is difficult to measure. On the basis of summing up the advantages and disadvantages of all kinds of muzzle velocity measurement method, the paper put forward the phase measurement...

In this paper, a time-dependent model is established to determine the optimal scheme which can bring economically attractive opportunity to a private firm. yield was taken into account in this model (yield is a variable varies from time). We build a time-dependent model to balance the costs and benefits,...

This study aimed to test the dimensionality of tourist risk perception under the scenario of natural disaster. Kangding earthquake affected tourism attraction was selected to test the risk perception of potential risk. Empirical study on Kangding tourism attraction after earthquake showed the tourists...

Displacement and deformation of engineering buildings (structures) are objectively inevitable. However, all surface and underground buildings (structures) have certain structural strength to resist surface displacement and deformation. In this paper, monitoring characteristics of high-rise building,...

Due to the strong practicality of computer on-line courses, it is necessary for teachers to change traditional teaching methods and actively guide students to choose teaching contents according to their own needs for self-learning. Based on Humanistic and Constructivist learning theories, this paper...

Express automatic sorting is one of the main problems in the domestic logistics and transportation section. At present only a few large domestic and foreign logistics companies possess automated logistics sorting lines. The sorting equipment is complex in structure, large in size, high in cost and energy...

In order to quantitatively analyze the text content of network car policy, the author intends to establish an economic policy evaluation model to quantitatively and qualitatively analyze the network car policy of eight representative cities. Specific steps include establishing evaluation index, selecting...

As a grand ceremony is held to mark the 400th anniversary of Tang Xianzu, the local accent version of Four Dreams of Linchuan is created and rehearsed in Fuzhou city Tang Xianzu’s home town. This opera uses classical Xuhe High-pitched Tunes, the big method of freehand for Chinese ink painting and the...

In the Internet age, it is scientific to use the analysis of online texts to explore tourists’ image perception of tourist attractions. This study selects Tang Paradise as a case site, uses ROST Content 6.0 software to analyze the web texts obtained from the Ctrip.com and Mafengwo website,obtains the...

The growth of copper supply capacity cannot keep up with the consumption growth in China, so the copper in China is still in a short supply in the future. The supply capacity of copper mine reduced from 30.7% in 2000 to 17.4% in 2013. Due to the late massive use of copper in China, the social recycling...

With WCl6, C2H2 and H2 reaction system and Ar work gas, WC nanocrystallites were prepared by plasma chemical vapor deposition(PCVD). The properties of WCl6 and WC particles including chemical composition, morphology, size and structure of crystal phase were characterized by Transmission Electron Microscopy...

The development of tight gas projects in the Sichuan Basin has come into prominence, and a good economic evaluation of tight gas exploration and development planning plays a very important role in realizing the long-term development goals of oilfield enterprises and ensuring the sustainable development...

Due to the high input and high risk of the biomedical industry, its development is inseparable from the strong support of the government, especially the support of fiscal policy. The direct input of government fiscal funds, fiscal subsidies, government procurement and tax incentives have played an irreplaceable...

Aimed at realizing remote monitoring system for leakage protection of low-voltage power grid in underground mine in Shanxi Province, intelligent leakage protection device with ZigBee are used underground, and the monitoring software based on LabVIEW is designed on PC, the data of power grid is sent to...

In order to study the inhibition effect of inert powder NH4H2PO4 on the cassava starch dust explosion. Using the 20L spherical explosion experimental device and the Hartmann tube experimental device to test the effects of NH4H2PO4 on the dust explosion parameters and flame propagation characteristics...

Mesoporous silica FDU-12 with different morphologies has been successfully hydrothermal synthesized under static or stirring conditions by changing the water-bath temperature. The as-synthesized materials were characterized by X-ray powder diffraction(XRD), N2 adsorption-desorption, scanning electron...

In order to improve the efficiency of Mongolian information retrieval, further research is carried out on root + affixes form-based retrieval unit with selected information retrieval model by combining the characteristics of Mongolian language. Selectable information retrieval model include TF-IDF Model,...

Governance in higher education is a central part of modern university systems and is also a hot topic of research in the international higher education arena, with the main aim of promoting the healthy development of higher education. In order to understand the latest developments and grasp the frontiers...

Adopting absolute nodal coordinate method, this article establishes dynamic model of double-connecting rod flexible manipulator. Its broad sense moment is obtained through virtual work principle. State equation is further deducted on this basis and numerical integration method is given. This article...

Derivation of parallel three-hole of small spacing Tunnel in shallow non- bias case, surrounding rock pressure formula in sequence of first side hole after middle hole excavation, drawn the corresponding computational model For the study of parallel three holes of small clear space tunnel surrounding...

Through a questionnaire among college students in Changzhou, the author found that the misunderstanding of art education of college students and the shallow recognition of personal artistic accomplishment were widely existed and the art education in colleges for the construction of the first class, the...

The UAE is rich in oil and gas resources, has a stable investment environment, is a major member of OPEC and an important pivot country along the “Belt and Road”, and has a certain influence on the international oil and gas market. It has a certain influence on the international oil and gas market. The...

The percentage rebound value r is a key parameter for evaluating the resilience of flexible cellular polymeric materials. Usually, researchers use photoelectric detection method to construct the ball rebound tester. But the accuracy of ball rebound tester is hard to measure and keep. This paper analyzed...

Wirless sensor networks are becoming increasingly attactiv for military,wildlife monitoring and other applications. Usually the sensor nodes are deployed in a dangerous and untrusted area.Therefore,network security becomes very important.Key management is the core areas of the security. In this paper,we...

The ecological security of Iodic agent was firstly studied in the domestic. To investigate environmental toxicology of the new developed of Cydiodine Powder(CDP), we research toxicity of CDP to zebrafish and earthworm, and the skin and eye irritation studies to rabbit. The static method, with reference...

Stochastic medium model belongs to in-continuous medium theory. Open-pit slope and the slope are important excavation project that human utilize nature. In this paper, stochastic medium model was used in the foundation pit engineering ground surface movements. The adjacent ground surface movement and...

A microbial fuel cell (MFC)-based biosensor can be used to detect the water toxicity. In this study, the solitary and joint biotoxicities of heavy metal ions (Cu2+, Ni2+, Cd2+) and acephate were investigated using single-chamber MFC. The results showed that all the contaminants could individually inhibit...

Different with certificate approval on paper, online certificate approval is difficult to record approve information, operate complicated, find out the error location in the certificate and so on, so the applications don't work out well. This paper introduces the certificate approval way with floating...

Exploring the impact of environmental regulation and tax greening on regional carbon emissions has important practical guiding value for accelerating the green and low-carbon development of the Yangtze River Delta. On the basis of grasping the current situation of carbon emissions in the Yangtze River...

This report introduces three hours of observation of the IELTS preparation course in Hawthorne English Center in the University of Melbourne, Australia. With detailed analysis of the teaching proceeding and methods, I examined the teachers' behavior, the advantages and limits of her methods, and aimed...

Deformation Measurement is a large measuring deformation monitoring of bridge and the bridge is structurally controlled an important part of long-term monitoring and diagnosis of health. The article comprehensively analysis contemporary advanced measuring equipment and new technology, such as GPS global...

The “oil company” model is a new oil and gas field operation and management model proposed by the Group on the basis of studying and learning from the advanced experience of foreign oil and gas enterprises. The connotation is to set up a project-based management organization with the oil or gas extraction...

Literally, the Kintsukuroi refers to use the golden to repair the porcelain. It is originated from the piece of golden paint of the "Xiushi craft" in China. The craftsman would bond the broken pieces of porcelain with lacquer of natural resin. And then, they would use the gold foil to make the decoration....

The Jiuzhaigou M7 earthquake damaged the Aba’s tourism economy. Almost one year later, Aba’s tourism economy hasn’t recovered to the pre-earthquake level, it is necessary to explore the main factors affecting travel intention after disasters, and then provide more accurate theoretical guidance for the...

In recent years, with the continuous improvement of the economic level of China’s power grid, power grid enterprises have shown high enthusiasm for investment, which undoubtedly increases the investment benefits of enterprises, making the investment scale of power grid enterprises show a growing trend....

The classical mean shift (MS) algorithm is the best color-based method for object tracking. However, in the real environment it presents some limitations, especially under the presence of noise, objects with partial and full occlusions in complex environments. In order to deal with these problems, this...

With the continuous development of aeronautical an space technologies, greater demands are being placed on the aviation and aerospace engine performance. The machining accuracy of fuel injection micro hole has great influence on engine performance. The machining accuracy of micro hole is closely related...

Monitoring data is the important signal for safety situation decision of shield method construction. This paper analyzes the abnormal types appearing in safety monitoring data of shield method construction, and points out its caused by the environmental quantity anomaly, structure form change, misreading...

With the development of artificial intelligence (AI) in recent years, meteorological departments have also begun to improve algorithms and revise short-term forecasts via AI, expecting to timely capture meteorological clues in massive weather data, to “prevent meteorological disasters”, and “calculate...

With the development of China’s economy, the continuous development and improvement of the stock investment market have brought challenges to China’s stock market. Therefore, stock investment guided by the value investment concept is more suitable for the current investment environment of China’s stock...

In this paper, the kinematic model of the mobile robot is built. Based on Backstepping time-varying state feedback method and Lyapunov theory, the time-varying feedback control law were designed and the global asymptotic stability is proved. Numerical simulations were conducted to show the effectiveness...

This paper prepared to solve what kinds of stigma suffered by victims in the MeToo movement in China. Through analyzing texts selected from Sina Weibo according to an incident of Xianzi, we concluded four types of stigma affected individuals and showed the dilemma in asking for women’s rights. Victims...

Taking the CNKI database as the source origin this paper analyses the research papers on hu-man resource management of the library in China from 2007 to 2016 A quantitative analysis is made from the Publication time journals authors author' s units keywords and paper topics The study summarizes the status...

The excavation of city subway pit breaking the original balance of the soil, affecting the safety of existed buildings and the surface subsidence of construction are important and direct factors which react to construction impacts. Using the Gray Relational Analysis Theory, through monitoring measured...

We studied on the service of 10 health clubs and requirement from 439 customers through questionnaire survey and interview, the results told us: 1) For the current health service, 75.7% of customers think they are of an average level. The longer customers being in a gem house, the less satisfied they...

This paper examined moral values of speech acts in Tteutbakkui Saeng (뜻밖의 生 (생)) novel by Ju Yeong Kim. This research employed qualitative descriptive, focusing on the analysis of moral values with the framework of socio-pragmatic studies. Data collection techniques included reading and note-taking....

As it is scant for the linear power amplifier and the two-level switching power amplifier, the principle is analyzed for the three-level power amplifier. It is proposed for the power amplifier for magnetic bearings based on the three-level PWM modulation technique. The circuit is designed for the implementation...

Toxic micropollutants in rainwater challenge the effective reuse of rainwater. This study proposed the application of newly developed vacuum-ultraviolet (VUV) in the advanced treatment of rainwater, and assessed the efficiency and feasibility in application. The VUV was generated from the UV lamp made...

Robot artificial limbs has six degrees of freedom. elbow tilting mechanism is driven by a through type linear motor. To determine the elbow installation structure of driven by linear motor, this paper uses the optimization design method, to determine the structure design of the optimization variables,...