Material received

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  • Today I received a newsletter from Oxford announcing a special 50 Natural English Tips. So I found this truly original and motivating material. I believe both students and teachers will enjoy the colorful look and the fast-pacing presentation of the content. I have been using Natural English Elementary with one three-student group and they like the book and the listenings in the CD. Now I hope I can make my classes even better by using this material. Take a look at the special material: 50 Natural English Tips. You might enjoy the book site, too. Personally, I like to use...

    pdf41p vantuong_x1 23-11-2009 333 216   Download

  • A serial port is a computer interface that transmits data one bit at a time. In common use, the term “serial port” refers to ports that use a particular asynchronous protocol. These ports include the RS-232 ports on PCs and many serial ports in embedded systems. Most serial ports are bidirectional: they can both send and receive data. Transmitting one bit at a time might seem inefficient but has advantages, including the ability to use inexpensive cables and small connectors.

    pdf400p longtuyenthon 27-01-2010 160 82   Download

  • A fundamental characteristic of agent based models is the ability for agents to interact, that is, they are able to transmit informative messages to other agents and can act based on the information received. Messages can represent spoken dialog between people or other indirect forms of communication.

    pdf194p samsungwifi 09-04-2012 53 16   Download

  • A bit (binary digit) is the smallest unit of information • N = 2n where N is the number of representations and n is the number of bits (ex. ASCII, Unicode, PCM code etc.) • Data communications transfer information using codes that are transmitted as signals (either analog or digital) • In general, analog lines provide a slow service that contains high error rates.

    ppt59p trungkiendt9 24-04-2011 57 14   Download

  • In recent years, it was realized that the Multiple Input Multiple Output (MIMO) communication systems seems to be inevitable in accelerated evolution of high data rates applications. The MIMO systems, have received considerable att ention of researchers and commercial companies due to their potential to dramatically increase the spectral effi ciency and simultaneously sending individual information to the corresponding users in wireless systems.

    pdf0p 123859674 04-07-2012 51 14   Download

  • This book is based on a course of Ship Hydrostatics delivered during a quarter of a century at the Faculty of Mechanical Engineering of the Technion-Israel Institute of Technology. The book reflects the author's own experience in design and R&D and incorporates improvements based on feedback received from students.

    pdf325p ktcn_1 17-07-2012 81 13   Download

  • PART B Basic Material Digital Communication Receivers: Synchronization, Channel Estimation, and Signal Processing Heinrich Meyr, Marc Moeneclaey, Stefan A. Fechtel Copyright  1998 John Wiley & Sons, Inc. Print ISBN 0-471-50275-8 Online ISBN 0-471-20057-3 Chapter I 1.I Stationary Basic Material and Cyclostationary Processes In telecommunications, both the information-bearing transmitted signal and the disturbances introduced by the channel are modeled as random processes.

    pdf51p khinhkha 30-07-2010 45 11   Download

  • o maintain the ability to chew with one's own teeth over as much of one's life as possible, all people should receive regular check-ups by a dentist once or twice yearly, even if they have no symptoms such as pain or swelling. Finally, a book describing in detail the oral care system presented in this pamphlet was published by Ishiyaku Shuppan in the summer of 2004. In addition, a videotape showing in detail the oral care system was published by Chuohoki Shuppan in 2003. Please refer to it for more detailed information. ...

    pdf10p taisaokhongthedung 01-01-2013 26 8   Download

  • Radio Frequency Identification (RFID), a method of remotely storing and receiving data using devices called RFID tags, brings many real business benefits to today worldʹs organizations. It exerts a major influence in different life areas like inventory tracking, modern supply chain management, automated manufacturing, healthcare, etc. The benefits are multiple and include expedited data capture/lead retrieval, accurate and trusted data, reduced cost, time and work processes, increased speed, productivity and business efficiency, improved security, etc....

    pdf0p ktcn_1 10-07-2012 29 7   Download

  • Optical communication is very much useful in telecommunication systems, data processing and networking. It consists of a transmitter that encodes a message into an optical signal, a channel that carries the signal to its desired destination, and a receiver that reproduces the message from the received optical signal. It presents up to date results on communication systems, along with the explanations of their relevance, from leading researchers in this field.

    pdf0p cucdai_1 19-10-2012 30 7   Download

  • The photodiode device structure, which has developed almost simultaneously with Si based p-n junctions, has had a dramatic impact on everyday life, especially in the field of communication and sensing. The last few decades have seen optical techniques come to dominate long-haul communication and photodiode technologies, serving as an energy transducer in the receiver end, which can convert optical data into electrical signals for further processing.

    pdf0p ktcn_1 10-07-2012 26 6   Download

  • It is a known fact that generally speaking industrial companies are not well- equipped in the credit risk measurement area can also be because their potential losses are easier mitigated due to the fact that their credit risks are relatively low. “Trade receivables are generally high-quality assets because companies are very reluctant to jeopardize their relationships with the partners” 2 . In addition, trade receivables of industrial companies are relatively short-term in nature and thus the collection procedure is relatively easier. ...

    pdf42p hoangphiyeah1tv 18-04-2013 26 6   Download

  • Our empirical analysis uses two different data sources: the RobertWood Johnson Foundation’s 1997 Employer Health Insurance Survey (EHIS) and MEDSTAT MarketScan commercially insured health claims and eligibility information for 1998–1999. We first use the EHIS data to examine turnover patterns and their relationship to firm and employee characteristics. The EHIS data reveal that small firms are very heterogeneous; the heterogeneity concerns workers’ turnover rates, besides workers’ age distribution and other health-related demographic variables.

    pdf5p quaivatxanh 29-11-2012 29 5   Download

  • While much of this recent literature has focused on how the amount of insurance varies across different worker and employer groups, the role of collective bargaining has received somewhat less attention. 2 The scant evidence on collective bargaining is particularly surprising as the role of trade unions as an insurance device has long been emphasised by researchers. The general argument here is that union may mitigate the enforcement problems that arise within risk-sharing agreements between workers and their employers (e.g., Horn and Svensson 1986, Malcolmson 1983).

    pdf24p quaivatxanh 30-11-2012 30 5   Download

  • Perceived quality of care is an important factor that determines whether people choose to utilise SRH services. Evidence from Bangladesh, Senegal and Tanzania suggests that in areas where women felt that they were receiving a high standard of care, they were more likely to use contraceptives than in areas with lower quality health facilities. Improving quality of care requires that patients’ perspectives and levels of satisfaction are taken into account when evaluating services, and are incorporated into policy decisions.

    pdf9p ut_hai_can 25-12-2012 31 5   Download

  • Each household member records spending for the same two diary weeks, so we must pool observations across households to study expenditures over an entire month. Given that distance from payday is orthogonal to household characteristics, this pooling should not bias our estimate of the relationship between distance and spending.8 We impose a number of sample restrictions. People paid weekly are excluded, because every diary week includes a payday for these individuals.

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  • The QO inspects all materials brought to the job site. The inspection staff documents the type of material, the general visual condition of the material, and indicates that the material is being stored and handled according to manufacturers’ recommendations and specifications. The QO inspector examines the bill-of-lading, the certificate of compliance, and the on-site material to document that certifications are complete for the material and performs testing as necessary. A copy of the materials compliance certification is included with the inspector’s daily report.

    pdf272p tainhacmienphi 25-02-2013 24 5   Download

  • The tests described in this document consist of a series of laboratory technical tests and an outdoor functional test of the beacon transmitting to the satellite. Manufacturers are encouraged to conduct preliminary laboratory tests on their beacons, but are cautioned not to radiate signals to the satellite. If open air radiation of 406 MHz signals should be necessary, the manufacturer must coordinate and receive approval for the test from the appropriate national or regional MCC.

    pdf118p nhatkyvodanh 12-07-2012 96 4   Download

  • Nanotechnology has received tremendous interest over the last decade, not only from the scientific community but also from a business perspective and from the general public. Although nanotechnology is still at the largely unexplored frontier of science, it has the potential for extremely exciting technological innovations that will have an enormous impact on areas as diverse as information technology, medicine, energy supply and probably many others. The miniaturization of devices and structures will impact the speed of devices and information storage capacity.

    pdf249p thix1minh 16-10-2012 22 4   Download

  • Agriculture faces the enormous challenge o producing globally almost 50% more food b 2030 and doubling production by 2050. Thi will likely need to be achieved with less wat mainly because of growing pressures from urbanisation, industrialisation and climate change. In this context, it will be important in the future for farmers to receive the right signals to increase water use efficiency and improve agricultural water management, wh preserving aquatic ecosystems.

    pdf168p lulaula 25-10-2012 18 4   Download

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