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Abstract:Corporate Social Responsibility (CSR) has become the social focus with the pressure of social problems. As we all know, accounting report and analysis have become an important instrument of strengthening CSR. The current situation and problems of Corporate Social Responsibility Accountin..
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This paper deals with the investigation for slide unit's impact and motion stabil¬ity in modular machine tool fay means of the method of power bond graph and state space analysis. The dynamic mathematical model of self-adjusting back pressure speed control system used to drive slide unit is e..
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Abstract: The paper presents the calibration procedure and background data for the development of design code provisions for wood bridges. The structural types considered include sawn lumber stringers, glued-laminated girders, and various wood deck types. Load and resistance parameters are treate..
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DescriptionThe at89s52 is a low-power, high-performance CMOS 8-bit microcomputer with 4K bytes of Flash Programmable and Erasable Read Only Memory (PEROM) and 128 bytes RAM. The device is manufactured using Atmel’s high density nonvolatile memory technology and is compatible with the industry st..
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By the glass panel, support devices and supporting structure consisting of glass curtain wall is called a point supported glass curtain wall. Point supported glass curtain wall support structure can be divided into a work shaped steel frame, lattice-type steel frame, column steel trusses, the bel..
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Electronic systems are used for handing information in the most general sense; this information may be telephone conversation, instrument read or a company’s accounts, but in each case the same main type of operation are involved: the processing, storage and transmission of information. in conve..
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The monolithic integrated circuit said that the monolithic micro controller, it is not completes some logical function the chip, but integrates a computer system to a chip on. Summary speaking: A chip has become a computer. Its volume is small, the quality is light, and the price cheap, for the s..
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CHAPTER 3Half- and Full-BridgeConverter Topologies3.1 IntroductionHalf-bridge and full-bridge topologies stress their transistors to a voltage equal to the DC input voltage not to twice this value, as do the push-pull, single-ended, and interleaved forward converter to pologies. Thus the bridge ..
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Abstract: In this study, an electro-mechanical valve (EMV) system for the intake valve of a four stroke, single cylinder, overhead valve and spark ignition (SI) engine was designed and constructed. An engine with the EMV system and a standard engine were tested to observe the effects of the EMV o..