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Standards and Technical Documents - Novel Differential Ultra-Violet Resonance Absorption Gas Analyzer for NOx Measurements in Continuous Emission Monitoring Systems - ANALYSIS 2002
Description: Differential Resonant Absorption Ultra-Violet Spectroscopy (DUV-RAS) based analyzers have potential to replace chemiluminescent analyzers in Continuous Emission Monitoring Systems (CEMS). Due to the demanding analytical requirements and the advantages offered by the DUV-RAS analyzers, this newShow More
Standards and Technical Documents - DETERMINATION OF LOCAL SPECIFIC ABSORPTION RATE (SAR) IN DIAGNOSTIC MAGNETIC RESONANCE IMAGING -- NEMA MS 10
Description: This document defines methods for determining the local specific absorption rate of diagnostic magnetic resonance imaging radio frequency coils under a specific set of conditions. This document does not address whole-body SAR. Heating other than radio frequency heating (such as thermal heating fromShow More
Standards and Technical Documents - N42.41-2007 - American National Standard Minimum Performance Criteria for Active Interrogation Systems Used for Homeland Security -- 10.1109/IEEESTD.2008.4453881
Description: , the contents of an inspection zone are irradiated with penetrating ionizing radiation to determine the presence of a hidden substance-of-interest by the analysis of stimulated secondary radiations or nuclear-resonance absorption spectra that are indicative of the chemical and/or nuclidic compositionShow More
Supplier: Siemens Analytical Products
Description: operating costs because no additional equipment required, e.g. ozone generator, etc. Measurement in the UV range Measurement not affected by H2O and CO2 Very low SO2 and NO measuring ranges possible UV Resonance Absorption Spectrometry (UVRAS) Measurement of very low NO concentrations: Measuring
- Instrument Type: Analyzer
- Mounting Type: Fixed
- Application: Continuous Emissions Monitoring
- Measurement Type: Trace
Supplier: Henkel Corporation - Electronics
Description: Gap Pad EMI 1.0 is a highly conformable, combination gap filling material offering both thermal conductivity performance and Electromagnetic Energy absorption (cavity resonances and/or cross-talk causing Electromagnetic Interference) at frequencies of 1GHz and higher. The material offers EMI
- Industry: Electronics
Standards and Technical Documents - Aerodynamics and aero-acoustics of rectangular planform cavities. Part IIIB: Alleviation of unsteady flow effects - acoustic suppression using passive devices. -- 08012Supplier: IHS ESDU
Description: changes, the rod-in-crossflow, passive resonance tubes, Helmholtz resonators, and baffles and absorptive materials. The work is prefaced by a consideration of the various means whereby passive devices affect the cavity shear flow. Thedevice types on which a considerable amount of research has beenShow More
Standards and Technical Documents - Ferronickel -- Determination of trace-element content by electrothermal atomic absorption spectrometric method -- Part 3: Determination of antimony content -- ISO 11438-3:1993
Description: The principle of the method specified is dissolution of a test portion in nitric acid, measurement of the absorption of the resonance line energy from the spectrum of antimony in the test solution at a wavelength of 217,6 nm by an atomic absorption spectrometer fitted with a graphite furnaceShow More
Supplier: Acoustics First Corporation
Description: be lined with a 1½” thick layer of glass fiber batting to increase absorption and prevent resonance.
- Product Description: Ceiling Panel / Tile, Other
- Noise Reduction Coefficient (if applicable): 0.1000 NRC
- Thickness: 1.5 inch
- Width: 24 to 48 inch
Supplier: MAST Technologies
Description: MAST Technologies’ absorptive caulking materials are magnetically loaded RF absorber / microwave absorber materials fabricated to be electrically equivalent to the MAST Cavity Resonance sheet products. The materials can be manufactured using one or two part systems in a variety of viscositiesShow More
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Berg W.M., Inc.
Vibration Damping Components
shock. Natural rubber's tendency to amplify at resonance 12 to 15 times the input force, for example, makes it an unsuitable candidate for shock absorption, but it is ideal for vibration isolation. Sorbothane's unique liquid-solid properties allow it simultaneously to absorb shock and isolate vibration even at high frequency ratios. Most real world applications have systems with different resonance's and disturbing frequencies Sorbothane's low amplification at resonance, combined with its... (read more)
Browse Vibration Isolators and Machine Mounts Datasheets for Berg W.M., Inc.
XFdtd for Calculating Biological EM Effects
XFdtd Bio-Pro is a specialty version of XFdtd, developed to calculate the biological effects of electromagnetic fields. It provides users with a bundled collection of important biomedical EM calculation capabilities such as Specific Absorption Rate (SAR) analysis, VariPose (R) Mesh Repositioning, and Hearing Aid Compatibility (HAC). Bio-EM analyses include imaging devices and MRI coil design and tuning, SAR and field analysis, implantable devices (pacemakers, diagnostic equipment), field... (read more)
Browse Modeling and Simulation Software Datasheets for Remcom (USA)
CST - Computer Simulation Technology
Analyzing EM Effects in Biomedical Devices
The interaction of high-power electromagnetic (EM) fields with the body can pose serious risks. Waves can penetrate the body and deposit significant amounts of energy in the tissues, and the resulting heating can cause serious damage to cells. These effects must be taken into consideration when designing devices that are widely used in communications and biomedicine (for eg. magnetic resonance imaging systems). CST MICROWAVE STUDIO (R) includes a range of post-processing methods for estimating... (read more)
Browse Modeling and Simulation Software Datasheets for CST - Computer Simulation Technology
General Plastics Manufacturing Co.
Flexible foams for Aerospace
General Plastics Manufacturing Company offers unique open-celled flexible polyurethane foams with engineered energy absorption properties. These foams allow users to design systems delivering good efficiency while absorbing energy at a consistent, controlled rate. LAST-A-FOAM (R) flexible and semi-flexible foams can be used in series or parallel to relieve static stress on flexible shock attenuation material, or to break up resonance or change shock pulse frequencies. Elevated temperatures have... (read more)
Browse Foams and Foam Materials Datasheets for General Plastics Manufacturing Co.
Conduct Research Top
Basic Principle of Cavity Resonance and Circuit Board Housing
. Usually, a magnetically loaded absorber such as ECCOSORB MCS or BSR is recommended due to the fact that the E field goes to zero at the cavity walls while the H field is at a maximum giving a material with high magnetic loss the best absorption characteristics.
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Advances in Gamma Ray Resonant Scattering and Absorption
1.53) and (1.65) are strictly speaking applicable to the cases of infinitely thin scatterers, but, in practice, they can be used if gamma-ray resonant absorption in the substance of a scatterer is weak in relation to total absorption.
Atomic Data for Permitted Resonance Lines of Atoms and Ions from H to
Si, and S, Ar, Ca and Fe
Wavelengths and Oscillator Strengths of Permitted Resonance Absorption Lines .
The Rudolf Mössbauer Story
In Pasadena, CalTech provided Mössbauer with excellent research facilities, and in 1961 the 32-year-old scientist shared the Nobel Prize for Physics with Robert Hofstadter “for his researches concerning the resonance absorption of gamma radiation and his discovery in this connection …
High Power Laser-Matter Interaction
4 Resonance Absorption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
resonance absorption in a fissile nuclide, .
Electromagnetic and Optical Pulse Propagation 2
N. S. Shiren, “Measurement of signal velocity in a region of resonant absorption by ultrasonic paramagnetic resonance,” Phys. Rev., vol.
On previous and present investigations of resonance gamma-ray interaction with nuclei at the Institute of Theoretical and Experimental Physics (ITEP, Moscow)
Abstract—A brief survey of theoretical and experimental work that is devoted to studying the resonance absorption and scattering of gamma rays by nuclei and which was initiated at the Institute of Theoretical and Experimental Physics (ITEP, Moscow) in the 1950s and has …
7.12.1 Resonance Absorption and the 1/ν Law . . . . . . . . .
Mössbauer Spectroscopy and Transition Metal Chemistry
More than five decades have passed since the young German physicist Rudolf L. M€ossbauer discovered the recoilless nuclear resonance ( absorption ) fluores- cence of g-radiation.
Handbook of Nuclear Engineering
Elsevier Science, Amsterdam Naberejnev DG, Mounier C, Sanchez R () The influence of crystalline binding on resonant absorption and reaction rates.
In the introduction to this section we have given the quantum mechanical pic- ture of resonant scattering, consisting of resonant absorption and emission of a photon.
OPTICAL TRAPPING AND MANIPULATION OF NEUTRAL PARTICLES USING LASERS: A REPRINT VOLUME WITH COMMENTARIES
The process of resonant absorption of photons by atoms, followed by an average symmetric spontaneous emission after an average natural lifetime of r„, resulting in the scattering of the incident light momentum.
Table 2-2 Change in the probability distribution of 89y originally excited by resonant absorption of a 4 MeV photon, starting with spin J = 1/2 and J = 3/2, after one, two and tlrree electromagnetic dipole transition decays .