Reliability issues

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  • In railway applications, performance studies are fundamental to increase the lifetime of railway systems. One of their main goals is verifying whether their working conditions are reliable and safety. This task not only takes into account the analysis of the whole traction chain, but also requires ensuring that the railway infrastructure is properly working. Therefore, several tests for detecting any dysfunctions on their proper operation have been developed.

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  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Critical Care giúp cho các bạn có thêm kiến thức về ngành y học đề tài: Reliability issues in human brain temperature measurement...

    pdf4p thulanh18 28-10-2011 28 3   Download

  • Abstract: Recent wide-scale deployment of APC connectors in the outside plant for FTTH initiatives has forced connector manufacturers to consider reliability issues of these connectors. Angled connectors exhibit two phenomena not found in non-angled connectors: First, the lower ferrule endface radius of angled connectors makes the connector more susceptible to permanent fiber withdrawal at elevated temperatures. Second, any rotation of the ferrule in angled connectors will increase the apex offset of the connector.

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  • There are several key aspects of GUI design that you need to consider when designing and implementing the GUI for your project. At a high level, they can be broken down into two main areas of focus: 1. Designing the GUI to be usable and friendly from the end user’s perspective. 2. Designing and implementing the GUI to be reliable, and maintainable from the programmer’s perspective. This chapter will focus almost entirely on the first point—ease of use for the end user. We start with a very brief overview of the technical issues you probably want to address in implementing your...

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  • Expressiveness refers to the ability of the event notification service to provide a powerful data model with which to capture information about events, to express filters and patterns on notifications of interest, and to use that data model as the basis for optimizing notification delivery.

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  • Since the advent of the financial crisis in the summer of 2007, each year has brought new challenges to financial markets, the fund industry, and ICI. For us, 2011 will be remembered as an inflection point: a period when the Institute engaged with more U.S., foreign, and multinational policymakers on more issues of greater consequence for our members than at any time before.

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  • The accuracy of the cytologic examination from any body site depends greatly on the quality of collection, preparation, staining and interpretation of the material. Inadequacy in any of these steps will adversely affect the quality of diagnostic cytology. Diagnostic accuracy and reliability are major issues in cytology practice.

    pdf46p le_minh_nha 18-12-2012 18 4   Download

  • This is the first of two reports that address the complex issue of incorporating the needs of climate research into the National Polar-orbiting Operational Environmental Satellite System (NPOESS). NPOESS, which has been driven by the imperative of reliably providing short-term weather information, is itself a union of heretofore separate civilian and military programs. It is a marriage of convenience to eliminate needless duplication and reduce cost, one that appears to be working.

    pdf153p mnemosyne75 02-02-2013 13 3   Download

  • This raises the issue of the measurement of the informal sector, which is known to be substantial in transition and developing countries. In the former Soviet Union countries it is estimated to contribute between 20 and 40 per cent of GDP. Even in the European Union (EU) there is considerable informal activity: in Italy, for example, it has been estimated to contribute between 10 and 20 per cent of GDP. It has been estimated that the informal sector contributes some nine trillion ‘undetected’ dollars to global GDP.

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  • Traditional software lifecycle development methodologies grew out of a need to control ever-larger development projects, and the difficulties of estimating and managing these efforts to reliably deliver results. These methodologies drew heavily on the principles from engineering such as construction management. As a result, they stressed predictability (one has to plan every last detail of a bridge or building before it is built), and linear development cycles – requirements led to analysis which led to design which in turn led to development.

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  • To accomplish this, a reliable transportmechanismis required in addition to robust modulation and media access, link error control and fault tolerant routing. The functionalities and design of a suitable transport solution for WSN are the main issues addressed in this paper. The need for a transport layer for data delivery in WSN was questioned in a recent work [12] under the premise that data flows from source to sink are generally loss tolerant.

    pdf14p giamdocamnhac 06-04-2013 18 3   Download

  • (BQ) Part 2 book "Computer network - A systems approach" has contents: Simple demultiplexer, remote procedure call, reliable byte stream, performance, issues in resource allocation, queuing disciplines, TCP congestion control, congestion avoidance mechanisms,...and other contents.

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  • In this chapter you will: Exploring different communication medium over which we can send data, understanding the issue of encoding bits onto transmission medium so that they can be understood by the receiving end, understanding the issue of encoding bits onto transmission medium so that they can be understood by the receiving end, discussing different technique to detect transmission errors and take the appropriate action.

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  • We have all heard the saying "It’s what’s inside that counts" at some point in our lives. In the world of networking Cisco’s Internetwork Operating Systems (IOS) has taken that saying to heart. The very core of Cisco Systems phenomenal success is the breadth of services provided by the Cisco IOS software. No two networks are exactly alike. There are connectivity requirements that differ between healthcare and manufacturing, entertainment and shipping, finance and telecommunications. Each of which has different security issues.

    pdf75p phongthinh 07-08-2009 418 125   Download

  • Drivers, urban planners and private car park operators have totally different takes on the ”parking” issue. It’s a good thing that Siemens ITS offers proven solutions that open up a new world of parking for everyone. A world where drivers are guided reliably and on the shortest route to the nearest free parking lot by our systems, which thus help substantially reduce traffic in search of a parking space and ensure optimum management of valuable parking space.

    pdf12p horizion97 13-04-2011 109 46   Download

  • This book is intended to provide the reader with a guide to the issues involved with creating powerful and reliable add-ins for Excel. With years of use, many people build up the experience and understanding needed to create custom functions for Excel in C and C++. However, given the very limited books and resources available, this can be a largely trial-and-error process. The motivation in writing this book is to create something I wish I had had through the years: a coherent explanation of the relevant technology, what steps to follow, what pitfalls to avoid, and a good reference guide.

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  • Heat Transfer Handbook part 1. The Heat Transfer Handbook provides succinct hard data, formulas, and specifications for the critical aspects of heat transfer, offering a reliable, hands-on resource for solving day-to-day issues across a variety of applications.

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  • Heat Transfer Handbook part 2. The Heat Transfer Handbook provides succinct hard data, formulas, and specifications for the critical aspects of heat transfer, offering a reliable, hands-on resource for solving day-to-day issues across a variety of applications.

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  • Heat Transfer Handbook part 3. The Heat Transfer Handbook provides succinct hard data, formulas, and specifications for the critical aspects of heat transfer, offering a reliable, hands-on resource for solving day-to-day issues across a variety of applications.

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  • A wide range of issues related to analysis of gas turbines and their engineering applications are considered in the book. Analytical and experimental methods are employed to identify failures and quantify operating conditions and efficiency of gas turbines. Gas turbine engine defect diagnostic and condition monitoring systems, operating conditions of open gas turbines, reduction of jet mixing noise, recovery of exhaust heat from gas turbines, appropriate materials and coatings, ultra micro gas turbines and applications of gas turbines are discussed.

    pdf246p greengrass304 18-09-2012 43 12   Download

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