Evaluating Reasoning Systems
ISBN: 9781494253462 / Angielski / Miękka / 102 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. A review of the literature on evaluating reasoning systems reveals that it is a very broad area with wide variation in depth and breadth of research on metrics and tests. Consolidation is hampered by nonstandard terminology, differing methodologies, scattered application domains, unpublished algorithmic details, and the effects of domain content and context on the choice of metric and tests. The field of information metrology, which applies to reasoning as a kind of information processing, is still emerging from ad hoc experience in evaluating narrow kinds of information systems. This report...
A review of the literature on evaluating reasoning systems reveals that it is a very broad area with wide variation in depth and breadth of research o...
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64,12 zł |
CFAST - Consolidated Model of Fire Growth and Smoke Transport (Version 6), Technical Reference Guide, APRIL 2009 REVISION
ISBN: 9781494482374 / Angielski / Miękka / 128 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. CFAST is a two-zone fire model capable of predicting the environment in a multi-compartment structure subjected to a fire. It calculates the time evolving distribution of smoke and fire gases and the temperature throughout a building during a user-prescribed fire. This report describes the equations which constitute the model, the physical basis for these equations, and an evaluation of the sensitivity and predictive capability of the model. This report is an assessment of the model following the outline set forth in ASTM E1355, Standard Guide for Evaluating the Predictive Capability of...
CFAST is a two-zone fire model capable of predicting the environment in a multi-compartment structure subjected to a fire. It calculates the time evol...
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64,12 zł |
CFAST - Consolidated Model of Fire Growth and Smoke Transport (Version 6): Software Development and Model Evaluation Guide
ISBN: 9781494482893 / Angielski / Miękka / 198 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Abstract This supplement to the CFAST Technical Reference Guide provides details of the software development process for CFAST and accompanying validation for the model. It is based in part on the Standard Guide for Evaluating the Predictive Capability of Deterministic Fire Models, ASTM E 1355. The model evaluation process consists of two main components: verification and validation. Verification is a process to check the correctness of the solution of the governing equations. Verification does not imply that the governing equations are appropriate; only that the equations are being solved...
Abstract This supplement to the CFAST Technical Reference Guide provides details of the software development process for CFAST and accompanying valida...
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64,12 zł |
CFAST - Consolidated Model of Fire Growth and Smoke Transport (Version 6), Software and Experimental Validation Guide
ISBN: 9781494483449 / Angielski / Miękka / 210 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This supplement to the CFAST Technical Reference Guide provides details of the software development process for CFAST and accompanying validation for the model. It is based in part on the Standard Guide for Evaluating the Predictive Capability of Deterministic Fire Models, ASTM E 1355. The model evaluation process consists of two main components: verification and validation. Verification is a process to check the correctness of the solution of the governing equations. Verification does not imply that the governing equations are appropriate; only that the equations are being solved correctly....
This supplement to the CFAST Technical Reference Guide provides details of the software development process for CFAST and accompanying validation for ...
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64,12 zł |
CFAST Consolidated Model of Fire Growth and Smoke Transport (Version 5): User s Guide
ISBN: 9781494483982 / Angielski / Miękka / 114 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. CFAST is a two-zone fire model capable of predicting the environment in a multi-compartment structure subjected to a fire. It calculates the time evolving distribution of smoke and gaseous combustion products as well as the temperature throughout a building during a user-prescribed fire. This report describes the use of the model, including installing and running the software, the computer platforms upon which it is supported and examples to verify correct installation.
CFAST is a two-zone fire model capable of predicting the environment in a multi-compartment structure subjected to a fire. It calculates the time evol...
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64,12 zł |
Disaster Resilience: A Guide to the Literature
ISBN: 9781494738426 / Angielski / Miękka / 128 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Although there is a great deal of high-quality information available on resilience-related topics hazard assessment, vulnerability assessment, risk assessment, risk management, and loss estimation as well as disaster resilience itself, there is no central source of data and tools to which the owners and managers of constructed facilities, community planners, policy makers, and other decision makers can turn for help in defining and measuring the resilience of their structures and communities. The purpose of this document is to provide a survey of the literature and an annotated bibliography...
Although there is a great deal of high-quality information available on resilience-related topics hazard assessment, vulnerability assessment, risk as...
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64,12 zł |
Emergency First Responder Respirator Thermal Characteristics: Workshop Proceedings
ISBN: 9781494739843 / Angielski / Miękka / 66 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The purpose of this workshop was to identify performance needs and establish research priorities to address the thermal characteristics of respiratory equipment used by emergency first responders. The workshop provided a forum for representatives from the first responder community, self contained breathing apparatus (SCBA) and component manufacturers, and research and testing experts to discuss issues, technologies, and research associated with SCBA high temperature performance. The goals of the workshop were defined in two parts: 1) Clarify baseline information, including the current...
The purpose of this workshop was to identify performance needs and establish research priorities to address the thermal characteristics of respiratory...
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59,85 zł |
CFAST - Consolidated Model of Fire Growth and Smoke Transport (Version 6), User's Guide, DECEMBER 2008 REVISION
ISBN: 9781494483272 / Angielski / Miękka / 110 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. CFAST is a two-zone fire model capable of predicting the environment in a multi-compartment structure subjected to a fire. It calculates the time evolving distribution of smoke and gaseous combustion products as well as the temperature throughout a building during a user-prescribed fire. This report describes the use of the model, including installing and running the software, the computer platforms upon which it is supported and examples to verify correct installation
CFAST is a two-zone fire model capable of predicting the environment in a multi-compartment structure subjected to a fire. It calculates the time evol...
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64,12 zł |
Certification of the Rheological Behavior of SRM 2490, Polyisobutylene Dissolved in 2,6,10,14-Tetramethylpentadecane
ISBN: 9781494741396 / Angielski / Miękka / 102 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The certification of the rheological properties of standard reference material SRM 2490, a non-Newtonian fluid consisting of polyisobutylene dissolved in 2,6,10,14-tetramethylpentadecane, is described. The viscosity and the first normal stress difference were measured in steady shear at rates between 0.001 s-1 and 100 s- 1 at 0 C, 25 C and 50 C. The linear viscoelastic storage modulus G' and loss modulus G'' were also measured in dynamic oscillatory measurements between 0.04 rad/s and 100 rad/s in the temperature range between 0 C and 50 C and master curves calculated using time temperature...
The certification of the rheological properties of standard reference material SRM 2490, a non-Newtonian fluid consisting of polyisobutylene dissolved...
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64,12 zł |
CFAST - Consolidated Model of Fire Growth and Smoke Transport (Version 6): Technical Reference Guide
ISBN: 9781495215780 / Angielski / Miękka / 132 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. CFAST is a two-zone fire model capable of predicting the environment in a multi-compartment structure subjected to a fire. It calculates the time evolving distribution of smoke and fire gases and the temperature throughout a building during a user- prescribed fire. This report describes the equations which constitute the model, the physical basis for these equations, and an evaluation of the sensitivity and predictive capability of the model.
CFAST is a two-zone fire model capable of predicting the environment in a multi-compartment structure subjected to a fire. It calculates the time evol...
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cena:
64,12 zł |
Tactical Aircraft: Comparison of F-22A and Legacy Fighter Modernization Programs
ISBN: 9781490547534 / Angielski / Miękka / 46 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The Air Force expects to invest a total of $9.7 billion in F-22A modernization through 2023. The Air Force and Navy have modernized many of their fighter and attack aircraft over the past several decades. Given this historical experience and concerns about the mounting cost of F-22A modernization. GOA was asked to examine the history of the modernization programs of the F-15, F-16, and F/A-18, and compare those legacy programs with the F-22A modernization program.
The Air Force expects to invest a total of $9.7 billion in F-22A modernization through 2023. The Air Force and Navy have modernized many of their figh...
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64,12 zł |
Diesel Adsorption to PVC and Iron During Contaminated Water Flow and Flushing Tests
ISBN: 9781495919466 / Angielski / Miękka / 54 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The purpose of this study is to use a NIST fluorescence based measurement technique to add to the existing data on aqueous diesel adsorption to solid surfaces and to support the development of flushing and contamination models. In a previous study the diesel excess surface density was measured on an oxidized copper surface. The present study expands the database to diesel attachment to a polyvinyl chloride (PVC) surface and to an iron surface.
The purpose of this study is to use a NIST fluorescence based measurement technique to add to the existing data on aqueous diesel adsorption to solid ...
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50,43 zł |
A Report on the Certification of an Absolute Molecular Mass Distribution Polymer Standard: Standard Reference Material 2881
ISBN: 9781495920042 / Angielski / Miękka / 60 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The certification of the absolute molecular mass distribution (MMD) of an n-octyl-initiated, proton-terminated, low mass, atactic polystyrene (PS) by matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF MS) is fully described. This polymer has been designated Standard Reference Material (SRM) 2881. The material constituting SRM 2881 was prepared commercially for the NIST Polymers Division specifically for use as a narrow-distribution polymer standard. Anticipated uses include calibration of mass spectrometers and size exclusion chromatographs (SEC) in...
The certification of the absolute molecular mass distribution (MMD) of an n-octyl-initiated, proton-terminated, low mass, atactic polystyrene (PS) by ...
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58,99 zł |
Certification of a Polystyrene Synthetic Polymer, SRM 2888
ISBN: 9781495920110 / Angielski / Miękka / 52 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This report describes certification of the Mw of SRM 2888, a polystyrene (PS), by light scattering. As supplemental numbers, the Mn by NMR end group analysis and the Mw, Mn and the MMD by MALDI-TOF-MS are also given. SRM 2888 was prepared commercially for NIST Polymers Division for use as a standard for Size Exclusion Chromatography and as a narrow distribution polymer standard with well-defined classical molecular mass moments for comparative studies by MALDI-MS. This material was specially prepared and characterized for well-defined end groups. After packaging of this material for future...
This report describes certification of the Mw of SRM 2888, a polystyrene (PS), by light scattering. As supplemental numbers, the Mn by NMR end group a...
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68,40 zł |
Certification of the Rheological Behavior of SRM 2490, Polyisobutylene Dissolved in 2,6,10,14-Tetramethylpentadecane
ISBN: 9781495920424 / Angielski / Miękka / 96 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This report describes the certification of the rheological properties of Standard Reference Material(r) (SRM) 2490, a non-Newtonian fluid consisting of polyisobutylene dissolved in 2,6,10,14-tetramethylpentadecane.
This report describes the certification of the rheological properties of Standard Reference Material(r) (SRM) 2490, a non-Newtonian fluid consisting o...
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63,26 zł |
Specular Gloss
ISBN: 9781495920479 / Angielski / Miękka / 76 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This document describes the instrumentation, standards, and measurement techniques used at the National Institute of Standards and Technology (NIST) to measure specular gloss. The organization of this document is as follow. Section 1 describes the motivation for establishing a reference goniophotometer and primary standards for specular gloss and associated calibration services that are available. Section 2 presents the theory and measurement equations relevant to the measurements described in this document. The NIST reference goniophotometer including the illuminator, goniometer, receiver,...
This document describes the instrumentation, standards, and measurement techniques used at the National Institute of Standards and Technology (NIST) t...
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41,71 zł |
Spectroradiometric Detector Measurements: Part I-Ultraviolet Detectors and Part II-Visible to Near-Infrared Detectors
ISBN: 9781495920608 / Angielski / Miękka / 120 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The National Institute of Standards and Technology supplies calibrated photodiode standards and special tests of photodetectors for absolute spectral responsivity from 200 nm to 1800 nm. (This service will soon be expanded to 20 m in the infrared.) The scale of absolute spectral responsivity is based solely on detector measurements traceable to the High Accuracy Cryogenic Radiometer maintained by the National Institute of Standards and Technology. Silicon photodiode light-trapping detectors are used to transfer the optical power unit from this cryogenic radiometer to monochromator-based...
The National Institute of Standards and Technology supplies calibrated photodiode standards and special tests of photodetectors for absolute spectral ...
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63,26 zł |
Absorbed Dose to Water Calibration of Ionization Chambers in a 60 Co Gamma-Ray Beam
ISBN: 9781495920769 / Angielski / Miękka / 52 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This document is intended to give a detailed report on the service offered by NIST for the calibration of ionization chambers in terms of the quantity absorbed dose to water.
This document is intended to give a detailed report on the service offered by NIST for the calibration of ionization chambers in terms of the quantity...
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50,43 zł |
Regular Spectral Transmittance
ISBN: 9781495921094 / Angielski / Miękka / 60 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This document describes measurement services, instrumentation, and techniques for regular spectral transmittance over the spectral range from 250 nm to 2500 nm at the National Institute of Standards and Technology. Section 2 explains the basic theory in deriving the transmittance, while a more thorough derivation is reserved for the interested reader in Appendix A. Section 3 describes the reference instrument hardware, software, validation, procedures, and uncertainties. Section 4 provides this same detailed information for the transfer instrument. Sample calibration reports and sample data...
This document describes measurement services, instrumentation, and techniques for regular spectral transmittance over the spectral range from 250 nm t...
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68,40 zł |
Documentation and Assessment of the Transport Property Model for Mixtures Implemented in NIST REFPROP (Version 8.0)
ISBN: 9781495921209 / Angielski / Miękka / 52 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In this report, the authors describe an extended corresponding states model for viscosity and thermal conductivity of mixtures implemented in Version 8 of the NIST computer program REFPROP. The model is a modification of a one-fluid, extended corresponding states (ECS) model for thermal conductivity and viscosity originally developed by Ely and Hanley The authors apply the model to selected mixtures representative of the fluids available in the NIST 23 database REFPROP (v8), such as refrigerants and natural gas constituent fluids, and present comparisons with experimental data. Comparisons...
In this report, the authors describe an extended corresponding states model for viscosity and thermal conductivity of mixtures implemented in Version ...
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cena:
50,43 zł |