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for use pesticide threat to the environment, beneficial biological and human with a direct contact, puts forward two level evaluation indexes of pesticide toxicology and pesticide environmental toxicology involved seven secondary evaluation indexes. In different environment with pesticide use, set the weight of pesticide safety comprehensive evaluation, realize the pesticide safety of comprehensive...
Free normal students as the main force of the future teachers, the IT capability are an important factor to affect the process of education information. Basis for the different needs of free normal students in professional background, professional characteristics and self-improvement aspects, combined with computer-based course requirements, to divide and describe the content of curriculum knowledge...
The state of algae growth in seawater has great effect to marine entironment, but it is difficult to find a kind of sensor to measure it on line and with real-time. In this paper, a kind of soft sensor built by T-S fuzzy neural network is applied to monitor the reproduction state of algae growth. The content of chlorophyll-a in seawater is regarded as the token factor to describe the state of algae...
A new detection solution was put forward to solve the problem of the rotor unbalance detection on the single-pivot point framed dynamic balancing machine. The detection principle was discussed and the design schemes of software and hardware of the system were proposed. Related parameters were selected for the rotor which is no more than 5Kg and whose working speed is not high. The application results...
Virtual simulation technology is applied to complex substation construction, the process is the dynamic simulation of the substation construction process. Finally, combining sound and text to explain the simulation process, it provides the information about the substation construction for builders. More important, it can be used to train the new employees for the substation construction. It can also...
In this paper, the creating ideas, construction contents and management methods of the public laboratory courses for the postgraduates in school of electronic and information engineering of BUAA are presented. The laboratory courses began to be carried out from the grade 2005 for postgraduates and have been running for five years, having better practical effects. The related contents have important...
To fully realize the potential of web services it is necessary to develop viable dynamic discovery and composition techniques. Matchmaking is considered as one of the crucial factors to ensure dynamic discovery and composition of web services. However, the issues associated with matchmaking for web services that involve data repository are not well addressed by the existing methods which focus on...
In the face of limited educational resources, the investors are most concerned about the problem of choosing the best investing objective which can produce the utmost yield. This paper selected the first 10 universities on the basis of the statistical analysis on the resource endowment out of 88 universities and colleges in H province. Then the paper compared the potential of the knowledge field among...
Customer perceived value is the crucial basis for customers to choose which eStore to purchase goods. To enhance customer perceived value is an important approach for eStores to construct their competitive advantages. The factors influencing customer perceived value are often not quantified, however they can be prioritized by AHP Method so that eStores can use these factors to enhance customer perceived...
With the development of network technology, distance learning is one of the fastest-growing components of higher education, teachers and students in universities and colleges are facing higher requirements. Firstly technology changed of distance learning was introduced, and analyzed advantages of distance learning, and why distance learning is chosen. Secondly adopted the college level examination...
This paper analyzes existing problems of graduation field work with enlarging of enrollments in the background recent years, and search after a new graduation field work pattern named ldquopackage patternrdquo which a practice menu composed of many courses are offered to students, and students regard as clients served by teachers, not employees managed by teachers. This new practice pattern has been...
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