The construction of conceptual dimensional data models is one of the most important, fundamental and challenging tasks during the analysis phase in the systems development life cycle of a data warehouse system. Such d...
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A review is performed to introduce the characteristics of hydraulic accumulator comprehensively and describe the actual functions systematically,analyzes the key points of selections,applications and maintenance of ac...
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ISBN:
(纸本)9783037855409
A review is performed to introduce the characteristics of hydraulic accumulator comprehensively and describe the actual functions systematically,analyzes the key points of selections,applications and maintenance of accumulator,and looks forward to the application trends in the future.
As an irreplaceable energy, petroleum play more and more important role in global economic development and civilization progress of human society. With the further exploration activity and development of exploration d...
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ISBN:
(纸本)9783037855522
As an irreplaceable energy, petroleum play more and more important role in global economic development and civilization progress of human society. With the further exploration activity and development of exploration degree, it becomes more and more difficult. Under the guidance of anticlinal theory, most anticlinal reservoirs have been found and we are confronted by complicate target. However, the development of new geological theories, such as geotmamics of sedimentary basins, petroleum system, deep basin gas and hydrocarbon accumulation dynamics, lay the foundation of sustained development of exploration activity. New technique and methodology of basin analysis andmodeling, description of reservoir, imagery log, supply science guarantee for sustained development of exploration activity.
NoSQL database is the broad definition of non-relational database. MongoDB is one of the most popular NoSQL database nowadays, and it is a schema-free and document oriented database, which has great query performance ...
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This paper described the importance of industrialized grow seedlings. In order to realize the modern factory forestry development request, precision seeder is the very key part of mechanized seedling production line. ...
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Web question answering (WQA) and Semantic Web services are currently two separate fields in intelligent web research, but in practical application, they are usually highly correlative. This article combines the techni...
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In this paper, we present a smart piggy bank that connects a traditional piggy bank to on-line bank account. In order to detect saving behavioral patterns, we used a simple nee- dle switch that transfers information o...
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This paper presents a low luminance dynamic range converter that includes light recording and adjustment system for vehicle application under light insufficient environment. The development of vehicle electronic techn...
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Electroencephalographic measurements are commonly used in medical and research areas. This article presents an introduction into Electroencephalography (EEG) measurement and the simple experiment of EEG. Its purpose i...
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ISBN:
(纸本)9781467316668;9781467316644
Electroencephalographic measurements are commonly used in medical and research areas. This article presents an introduction into Electroencephalography (EEG) measurement and the simple experiment of EEG. Its purpose is to develop orientation in EEG field and with building basic knowledge for performing EEG recordings. The normal person used as subject was used in this experiment. It is conducted in three condition;relax, hand grasp and lastly grasp and release. At the end of the experiment, there are some changes of the brain signal due to the activity that subject has been done. It shows that the brain will generate the different signal relate to the activity or the way of thinking of the subject. This study will be used as a fundamental concept for Brain computer Interface (BCI)- Functional Electrical Stimulation (FES) system development.
Contrary to the problem that automobile switches have various kinds and large differences in the structure and performance so that traditional testing methods have been unable to meet the testing requirements of high ...
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ISBN:
(纸本)9783037853849
Contrary to the problem that automobile switches have various kinds and large differences in the structure and performance so that traditional testing methods have been unable to meet the testing requirements of high performance switches, the paper designs a new detection system used to detect the functions of general auto switches which applies the developing environment LabVIEW based on virtual instrument technology and adopts the technology of embedded observe and control system. Using PC as the host computer, the system adopts the LabVIEW8.5 to compile a real-time monitoring system with good human-computer interface;S3C2440-ARM9 processor is used as the main controller of observe and control system in the inferior computer which collects output current signal when the circuit is conducted after switch is pressed. After the coding process of LwIP software protocol and the drive of Ethernet controller DM9000, the signal is transmitted to PC through Ethernet interface. Compared with conventional testing measures, this system greatly improves the real-time performance as well as working efficiency of detecting switch functions and reduces the corresponding human and material resources.
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