14—corrosion protection for unbonded prestressing tendons
specification for unbonded single-strand tendons and commentary
... provides specific performance criteria for materials for unbonded single strand tendons and detailed recommendations for fabrication and installation of unbonded single strand tendons Specifications ... presented for tendons in nonaggressive environments and for tendons in aggressive environments The intent of this document is to provide detailed specifications for all common structural uses of unbonded ... procedures shall conform to “Field Procedures Manual for Unbonded Single Strand Tendons, ” Post-Tensioning Institute Tape used shall: • Be self-adhesive and moisture-proof SPECIFICATION FOR UNBONDED SINGLE-STRAND...
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Tài liệu KRONE HIGHBANDTM Arrestor Magazine 3 Pole Equipped Overvoltage Protection for HIGHBAND 10 pdf
... Single Seq 50 S/s [ ] Ch1 50mV M 1s Ch1 30mV For further information please contact: KRONE (Australia) TECHNIQUE PTY LTD PO Box 335 Wyong NSW 2259 Hereford Street Berkeley Vale NSW 2261 Tel: 02 ... Arrestor Magazine (Fail Safe/500V): 6462 105-00 Operating conditions and Typical performance Environment for use: Indoor or in dry enclosure rated IP54 or greater Operation temperature range: ... Transmission & Reliability Meet and exceed requirements for 100MHz CAT EIA 568A (including TSB40A) ISO/IEC DIS01(1/94) Typical general electrical performance of module and magazine Voltage/Current rating...
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iec 60079-14 electrical apparatus for explosive gas atmospheres - electrical installations in hazardous areas
... Part 4-41: Protection for safety – Protection against electric shock IEC 60529: 1989, Degrees of protection provided by enclosure (IP code) IEC 60614-2-1:1982, Specification for conduits for electrical ... No cathodic protection shall be provided for metallic parts in zone unless it is specially designed for this application The insulating elements required for the cathodic protection, for example ... 60079-0 and with the standards for the specific types of protection listed in the scope Annex A forms an integral part of this standard Annexes B and C are for information only Copyright International...
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Tài liệu Practical mod_perl-CHAPTER 14:Defensive Measures for Performance Enhancement doc
... Perl reuses this released memory internally For example, let’s modify the script as shown in Example 14-2 512 | Chapter 14: Defensive Measures for Performance Enhancement This is the Title of the ... can always write an HTML form from scratch and submit it to your program for processing, which makes it easy to submit huge files If you don’t limit the size of the form input, even if your program ... user this, if you have prepared a form with a pull-down list of possible choices? Simply by saving the form and later editing it, or by using a GET request Don’t forget that what you receive is...
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RADIATION PROTECTION FOR MEDICAL AND ALLIED HEALTH PERSONNEL docx
... National Council on Radiation Protection and Measurements Radiation protection for medical and allied health personnel : recommendations of the National Council on Radiation Protection and Measurements ... this report provide general information on radiation and its uses in medicine for all readers Section 8, Specific Guidelines, provides pertinent job related information for personnel involved with ... set forth in NCRP Report No 82, SI Units in Radiation Protection and Measurements (NCRP, 1985a) iv / PREFACE This report was prepared by Scientific Committee 46-6 on Radiation Protection for...
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Achieving Effective Social Protection For All In Latin America And The Caribbean - From Right To Reality doc
... the informal sector The outcome in terms of additional informality will depend on the relative productivity of the formal and informal sectors If productivity (and, therefore, wages) in the formal ... benefits from formality for the workforce and thus have encouraged the evasion of social security In the twenty-first century, more than half of LAC’s workforce is employed in the informal sector ... NHS systems,4 for example, Mexico), by the SHI (creating a noncontributory window for people in the informal sector, for example, Colombia), or by independent insurance agencies (for example,...
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Crash Protection for Child Passengers potx
... and flexion forces on the neck that can occur with forward-facing occupants (figure 4B) Further explanation and field validation of this injury risk are discussed in the context for forward-facing ... airbag forces,18 the only reliable ways to protect an infant from airbag injury are to disconnect the bag or to restrain the child in the rear seat Back Angle for Frontal Impact Protection For reasonable ... impact protection for children, however, indicates that this feature may be a disbenefit for the center or nonstruck side, but that a flexible vs a rigid installation is probably not significant for...
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Intellectual Property Protection for Multimedia Information Technology docx
... domain, its patent protection leverages the extensive protection of its entire content DIGITAL LIbRARy PROTECTION In this section, we present the formulation of digital library protection that uses ... level of security In all cases, authentication is used to enforce property protection, and may be specifically intended for the copyright protection of digital contents published on the Internet ... area of information technology is to allow easy access to the tools for protection against multimedia intellectual property infringement that is negative side effect of innovation in the information...
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Network Security Overwatch Layer: Smarter Protection for the Enterprise docx
... cleanup efforts and/or the theft of a business' private, personal, and confidential digital information Security professionals understand that these gaps exist and represent risks for them In ... that analyzes network traffic up to the application layer for signs of embedded malware The Trend Micro solution performs ongoing monitoring for any active malware activity that may be in the process ... into single streams Single-session correlation is performed on the network streams, scanning the traffic for exploits and network worms and performing reputation scans on embedded files and URLs...
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IEC 60874 14 4 connectors for optical fibres and cables detail specification for fibre optic adaptor (simplex) type SC for multimode fibre
... the format(s): to write specifications to use in a tender for educational purposes full text Other comments: raster image for a lawsuit 17 for quality assessment 10 for ... Detail specification for fibre optic adaptor (simplex) type SC for multimode fibre FOREWORD 1) The IEC (International Electrotechnical Commission) is a worldwide organization for standardization ... its standards collection in the future (check all that apply): for general information for design purposes paper for testing microfilm/microfiche other mag tape CD-ROM...
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Corrosion Protection Handbook Second Edition_2 docx
... alternative anode for the dissolution process The last two protection mechanisms listed above are discussed extensively in Chapter This section will therefore concentrate on the first two protection ... substrate could be described as a “necessary but not sufficient” condition for good corrosion protection For all of the protection mechanisms described in the previous sections, good adhesion of ... powder coatings; and coatings for cathodic protection These methods are all economically important and scientifically interesting but lie outside of our target group for one or more reasons: • •...
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Corrosion Protection Handbook Second Edition_4 docx
... They estimated the various forces that operate during polymer deformation for one system, in which a force of 10 −7 N would be required for particle deformation The forces generated by capillary ... TABLE 3.1 Estimates of Forces Operating During Particle Deformation Type of Force Operating Gravitational force on a particle Van der Waals force (separation nm) Van der Waals force (separation 0.2 ... an important part in the film formation of latexes (see Section 3.3) 3.3 LATEX FILM FORMATION Waterborne dispersions form films through a fascinating process In order for crosslinking to occur and...
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Corrosion Protection Handbook Second Edition_5 pot
... lead to blistering and that, therefore, only inhibitors that not form hygroscopic salts should be used for wet blasting McKelvie [11] does not recommend inhibitors for two reasons First, flash rusting ... abrasive can be gathered for recycling However, for applications where spent abrasive must be treated as hazardous waste, the initial higher cost of garnet is more than paid for by the savings in ... abrasives can be used to prepare steel for maintenance coatings For example, novaculite and flint contain high amounts of free silica, which makes them unsuitable for most blasting applications Garnet...
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Corrosion Protection Handbook Second Edition_6 ppt
... Sulfides — for example, sodium sulfide — react with the metals in the debris to form metal sulfides, which have a low solubility (much lower, for example, than metal hydroxides) Lead, for example, ... U.S, Environmental Protection Agency (EPA) for determining how much toxic material is likely to leach out of solid wastes A short description of the TCLP method is provided here For an exact description ... TECHNIQUES FOR HEAVY METALS Several techniques are available for determining whether or not toxic metals, such as lead and chromium, exist in paint Some well-established methods, particularly for lead,...
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Corrosion Protection Handbook Second Edition_7 ppt
... because the energy for chemisorption (10 to 100 kcal/mole) is similar to that required for chemical bonding The locked, chemisorbed molecule can be the center for a water cluster to form within the ... energy left over for considerably more mischief as well However, Earth’s atmosphere absorbs most of this particular wavelength band of radiation and, therefore, it is a concern only for aircraft ... coating is deformed upward — a blister begins At the coating-metal solution interface, the coating experiences peel forces, as shown in Figure 6.1 It is well established that the force needed...
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Corrosion Protection Handbook Second Edition_9 docx
... Organization for Standardization, Geneva, 1982 the ASTM standard uses 10 for defect-free paint and for complete failure The ISO standard uses for no defects and the highest score for complete ... with how uniformly the corrosion is accelerated for a set of samples It is desirable, of course, for an acceleration test to accelerate the corrosion rate more or less uniformly for all the samples; ... to form the zinc oxide and carbonates that give it long-term protection 8.1.1.2 NORSOK NORSOK is suitable for both corrosion and weathering testing Its cycle is 168 hours long, and it runs for...
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Báo cáo hóa học: " Research Article Recoverable Privacy Protection for Video Content Distribution" pdf
... al [10] They proposed a method for storing original privacy information in video using information hiding technique, and it can recover the original privacy information if necessary However, ... privacy information must be embedded to recover the original image since the privacy information is obtained from the whole information of the object regions Even if all the privacy information ... recoverable privacy protection Their method masks a real face (privacy information) with a virtual face (newly generated face for anonymity) To deal with the huge payload problem of privacy information...
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Social Protection for Older PersonsSocial Pensions in AsiaEdited pptx
... drivers for reform, and which factors determine 14 Social Protection for Older Persons whether proposed reforms are implemented and consolidated These political dimensions of policy reform are ... Table 1.1 Analyzing Social Policy Reform Processes Internal Reform Drivers External Reform Drivers Reform Process Political system • Institutions (formal/informal) • Actors • Electoral/party system ... understanding of the politics of social pension reform in Asia and to identify policy lessons for informing the design and implementation of social protection schemes for older people in the region In order...
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