Search all articles

As a famous contemporary science fiction novelist in France,Jules Verne is hailed as "the father of modern science fiction", he has created nearly a hundred novels in his life, most of which are science novels, his science works have been widely translated around the world, and it has millions of readers....

This paper starts from the field of construction engineering, discusses the comprehensive ability of inspection and testing institutions in Hebei Province, uses the entropy method to determine the weight of each part, and uses the TOPSIS method to sort out the comprehensive ability score of the construction...

This paper aims to investigate the teenagers' interest in a wide range of reading materials. Extensive reading has been gaining its popularity globally. One major requirement for the success of extensive reading is the availability of a large amount of reading materials. The academic circle makes every...

Energy system is the largest source of carbon emissions in a country or region. Since China's economic increases rapidly these years, it also brings the growth of energy consumption and carbon emissions. This paper indicates an index decomposition analysis to evaluate the carbon emissions from industrial...

The paper studies the industrial chain and the food security of China. It constructs an index system for estimating the food security of China during the period of 2006-2015. The empirical result indicates that during that time the condition of China's food industry develops from basic security to insecurity....

The control problems of quad-rotor flight such as under-actuated control, strong coupling were analyzed. With a simplified dynamic model of quad-rotor based on Newton - Euler equation, a double-loop PID controller which consists of the inner attitude control and out position control. According to the...

In using the TV-guided missiles to attack targets process, the target image segmentation process directly affects the attack effect. So, choose a suitable image segmentation methods to ensure high quality target image processing speed, real-time, is particularly important. This paper introduces a method...

College students bears the great trust of nation and the historic mission of promoting the development of Chinese legal system and democracy, the strength of its legal awareness and concepts will directly influenced the implementation of the rule of law and the realization of national construction goals....

At present, China's problem of population aging is increasingly serious. But the services of traditional family care and social institutions have their own drawbacks. Time-saving aged service in community can fully compensate for the lack of old-age home modeland mobilize the community human resources,...

The aim of the article is to comprehensively test and explore the running performance of a new type of radiant air conditioning combined with fresh air system by simulating the climate that summer is hot and winter is warm, which is developed by the laboratory research group. The test results show that,...

The paper suggests a tension control method based on angular speed trajectory planning to improve tracking angular speed of fiber supply axis and precision of controlling optical fibre tension during the course of starting and stopping of optical fibre winding. First, kinematic trajectory of fibre extraction...

Burn is still an important problem in health facility worldwide. Burns management from ancients ago until now is quite varied either giving topical therapy alone or combination with systemic drug along with various clinical considerations. Research on the healing of burns with phytoextract has been done...

Until nowadays, breast cancer is still the highest malignancy in women in both the developing and developed countries. The main causes of death in breast cancer is metastasis. Patients who have experienced distant metastases have a poor prognosis. Proliferation is a biological process that is important...

Iatrogenic Cushing's syndrome is caused by the administration of exogenous glucocorticoids. The use of exogenous glucocorticoids has been found as an adulterant in many traditional, alternative medicines. In this case report, we describe a patient with iatrogenic Cushing's syndrome due to chronic use...

The previous experiments have shown that hydrophobic properties of 20 kinds of human’s amino acid are different. It was of great significance to study whether hydrophobicity of proteins had a role in the research of the intimate relationship of proteins. Besides, it is also very important to balance...

In this thesis, the main part is the research on the Video-On-Demand. Using an adaptive streaming media transmission program, according to network conditions on the video-on-demand server control pro tournament at the same time adjust the client's cache, so that the client be able to smoothly carry out...

This paper first introduces the basic principle of the streaming media adaptive transmission, explains the flow of two inseparable part media adaptive transmission technique in adaptive coding: streaming media and streaming media adaptive transmission control strategy, and analyzes the current several...

In various scientific experiments, experimenter always get some discrete data, to estimate the function with the original rules from these data, interpolation is a method for dealing with this kind of problem.But when the discrete data is too much,it can be caused serious distortion which is called Runge...

We take the overall architecture of internetware on-line evolution model as basic, and study on trust metric model of the software in internetware system. In view of the not accurate results from the rough and existing trust metric model granularity, this paper proposed a multi service and hierarchical...

Flame retardant and mechanical properties of ammonium polyphosphate (APP), melamine phosphate (MP) and their combination with dipentaerythritol (DPER) in styrene-butadiene-styrene rubber (SBS) were studied. The results indicate that MP is more effective in raising limiting oxygen index (LOI) in SBS than...

Since computer network has become the basis of the information society, network topology has also become an important part of network management. The theory foundation of the network topology algorithm based on SNMP has been introduced in this paper, and the algorithms of network topology discovery based...

Deep convolutional neural networks (CNNs) have recently shown impressive performance as generic representation for recognition. However, the feature extracted f¬rom global CNNs lack geometric invariance, which limits their robustness for classification and detection of highly variable objects .To improve...

Physiological signals are external manifestations of emotions. Mood swings can be expressed by the change of physiological signals. Because these performances are not controlled by the individual subjective consciousness, the conclusions are more objective and true. The method based on the statistical...

We extract the chaotic characteristics of multiple physiological signals in this paper, and the relevant algorithms for extracting chaotic characteristics are given respectively. Based on different algorithms we respectively calculate four kinds of chaotic characteristic parameters from multiple physiological...

Online learning is a learning way to use online education platform for learners. It could let the learners start learning at anytime from anywhere by removing the traditional education's time and space limit. As the online learning style becomes more and more popular, its main base environment has gradually...

QKD (quantum key distribution) is core of quantum communication, it is not only the most extensive range of applications, and can also be served as a basis for other branches. In this paper, the theoretical basis and the basic idea of quantum key distribution has been described. Focus on several quantum...

The water polluters of Liao river basin in Jinzhou is elected preliminarily basing on the basin of the key water polluters of Jinzhou city, combining with the principle of polluters screening and the computing method of equal standard pollution load, optimizing and assessing the indexes which involves...

In this paper, the author discussed the current popular the grid computation technique and the virtualization technology, analyzed and concluded characteristic of two technologies. Then, VNET has been proposed, which can add the virtual machine to the network efficiently. It can dynamically modify its...

Data fusion is one of the research hotspots in the field of wireless sensor network. In allusion to the problem of excessive energy consumption of existing fusion methods, a data fusion scheme with minimized energy consumption is proposed in this article on the basis of the compressed sensing theory....

According to original environment destroy of the precious endangered plants, the information system need be built to monitor the endangered plants. Here, using C++, combined with Arcobject soft to establish the management platform system. The main design is data bank design and user interface design....

With the large-scale application of power electronics technology and computer technology in grid operation, automation level of the grid production and operation maintenance in China is increasingly higher, which also proposes higher requirements on the professional theory and skills of frontline staff...

This article mainly tells the development of power system relay protection technology, application status and application prospect in the future, and for the relay protection device equipment type selection, function analysis, this paper introduces the current mainstream of relay protection technology,...

Call center is one of the most important means for telecom operators to provide after-sales service for customers. Every day, call center can produce a large number of voice data. But these data do not bring significant value to the enterprise. Recent years, the development of intelligent voice technology...

The traditional railway freight early warning adopted independent indicator thresholds discrimination. But it would lead to inaccurate results warnings, it may alarms when abnormal events occur instead of early warning. This paper proposes a railway freight early warning model, which apply support vector...

This article analyzes the different type of large synchronous generator excitation system and discussed the adaptability of the excitation system model of PSASP. A self-excitation model and a three machine excitation model is modeled and simulated, which proves the accuracy of PSASP model.

Based on power grid dispatching automation platform, Establishing distributed resources cooperative scheduling management system, including wind power, biomass power generation, photovoltaic power generation and energy storage electric vehicle charging stations. The use of intermittent, renewable energy...

The engine excitation control system has significant effect on the static stability, dynamic stability and transient stability of the power system. In power system stability calculation, the model and parameters are used to correct the excitation system. Excitation system parameters are numerous, such...

Based on the features of the structure of double-arch permeable rib tunnel and its spatial deformation mechanism, a corresponding construction monitoring and measuring program was demonstrated in this paper. The reasons of the vault slope deformation and cracking which was the main risk during the construction...

Aiming at reducing the elevator’s energy consumption, this paper analyses the energy feedback technology, and designs an energy feedback system used for elevator which can return the extra energy to the power grid in the generating state of the motor. The system adopts active inverter technology to achieve...

For plate mill, data communication between Process Control System (PCS) and other system are built with different communication methods. The communication between PCS and Basic Automation system (BAS) is based on the industry Ethernet. Every 200ms, BAS sends actual data to PCS, and PCS sends setup data...

For the purpose of mill Process Control System (PCS) debugging and optimizing, a new simulation method is used. The actual information of rolling process is gathered and sent to the PCS cyclically. This information is saved by PCS. During simulation process, the actual information is read and playback....

For problems in the process of building central air conditioning system to participate in demand response, including non-uniform communication protocol, non-uniform information model and lack of demand response strategy, we put forward the thinking and concrete scheme of research and development of the...

We have designed a high-performance hydraulic controller for the hydraulic servo system with nonlinear characteristics based on the technology, which the high-performance TMS320LF2407 DSP has been adpoted as main processor chip. With the designed controller, we have developed a new set of hydraulic servo...

We use USB camera and IMAQ vision to program on LabVIEW platform.We process the contionuous acquistion of image,include adjusting the brightness,contrast,gamma value of image, and cut the image with a specified path.the design is low cost,easier implementation and flexible operation ,It's have good prospects...

Based on information sharing idea, BIM (Building Information Modeling) technology had been widely used in construction industry. Employment Guarantee for Migrant Workers is hot topic in Chinese construction industry. There were few articles focus on using BIM to solve the Employment Guarantee problem....

O. Henry was a well-known American writer in the world literature history. His writing is vivid and he is good at using irony, paronomasia, metaphor, metonymy and exaggeration to make the story full of fun. He is a master of surprising endings, and he usually design story plots dramatically, and makes...

As a native son of America, Bigger is a natural product of American society. He does not know where he belongs to, and how to find his way out of his bewilderment. He is a marginal man, and lives between white and black. During his life, Bigger experiences social and cultural destruction of manhood and...

How UI designers and business engineers collaborate to development apps on Android platform conveniently and effectively is a difficult problem to tackle when projects get more complicate and need more effort. This paper compared the commonality and variability of MVVM with the commonly used MVC and...

Flight or maneuvering at high angle of attack is one of the most important parts for the modern fighters. When the angle of attack is within the usual range, the aerodynamic characteristics have a linear relationship with the dynamic of aircraft. With the increase of angle of attack, the airflow separation...

The boundary layer theory is proposed by German scientist Prandtl. When the fluid motion in the large Reynolds number, a thin layer will be concentration to produce in the fluid surface. Because the thin area is very close to the object surface in which the viscous force plays an important role, which...