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Books > Science & Mathematics > Chemistry > Analytical chemistry > Qualitative analytical chemistry > Magnetic resonance

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Explosives Detection using Magnetic and Nuclear Resonance Techniques (Hardcover, 2009 ed.) Loot Price: R4,534
Discovery Miles 45 340
You Save: R1,203 (21%)
Explosives Detection using Magnetic and Nuclear Resonance Techniques (Hardcover, 2009 ed.): Jacques Fraissard, Olga Lapina

Explosives Detection using Magnetic and Nuclear Resonance Techniques (Hardcover, 2009 ed.)

Jacques Fraissard, Olga Lapina

Series: NATO Science for Peace and Security Series B: Physics and Biophysics

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List price R5,737 Loot Price R4,534 Discovery Miles 45 340 | Repayment Terms: R425 pm x 12* You Save R1,203 (21%)

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Nuclear quadrupole resonance (NQR) a highly promising new technique for bulk explosives detection: relatively inexpensive, more compact than NMR, but with considerable selectivity. Since the NQR frequency is insensitive to long-range variations in composition, mixing explosives with other materials, such as the plasticizers in plastic explosives, makes no difference. The NQR signal strength varies linearly with the amount of explosive, and is independent of its distribution within the volume monitored. NQR spots explosive types in configurations missed by the X-ray imaging method.

But if NQR is so good, why it is not used everywhere? Its main limitation is the low signal-to-noise ratio, particularly with the radio-frequency interference that exists in a field environment, NQR polarization being much weaker than that from an external magnetic field. The distinctive signatures are there, but are difficult to extract from the noise. In addition, the high selectivity is partly a disadvantage, as it is hard to build a multichannel system necessary to cover a wide range of target substances. Moreover, substances fully screened by metallic enclosures, etc. are difficult to detect. A workshop was held at St Petersburg in July 2008 in an attempt to solve these problems and make NQR the universal technique for the detection of bombs regardless of type. This book presents the essentials of the papers given there.

General

Imprint: Springer
Country of origin: Netherlands
Series: NATO Science for Peace and Security Series B: Physics and Biophysics
Release date: July 2009
First published: 2009
Editors: Jacques Fraissard • Olga Lapina
Dimensions: 235 x 155 x 19mm (L x W x T)
Format: Hardcover
Pages: 292
Edition: 2009 ed.
ISBN-13: 978-90-481-3060-3
Categories: Books > Professional & Technical > Other technologies > Explosives technology & pyrotechnics
Books > Science & Mathematics > Chemistry > Analytical chemistry > Qualitative analytical chemistry > Magnetic resonance
Books > Professional & Technical > Mechanical engineering & materials > Materials science > Testing of materials > General
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LSN: 90-481-3060-3
Barcode: 9789048130603

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