CA2213568A1 - Method of and apparatus for nuclear quadrupole resonance testing a sample, and pulse sequence for exciting nuclear quadrupole resonance - Google Patents

Method of and apparatus for nuclear quadrupole resonance testing a sample, and pulse sequence for exciting nuclear quadrupole resonance

Info

Publication number
CA2213568A1
CA2213568A1 CA002213568A CA2213568A CA2213568A1 CA 2213568 A1 CA2213568 A1 CA 2213568A1 CA 002213568 A CA002213568 A CA 002213568A CA 2213568 A CA2213568 A CA 2213568A CA 2213568 A1 CA2213568 A1 CA 2213568A1
Authority
CA
Canada
Prior art keywords
pulse
pulses
phase
pair
sequence
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002213568A
Other languages
English (en)
French (fr)
Inventor
John Alec Sydney Smith
Neil Francis Peirson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BTG International Ltd
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GBGB9503807.1A external-priority patent/GB9503807D0/en
Priority claimed from GBGB9506468.9A external-priority patent/GB9506468D0/en
Application filed by Individual filed Critical Individual
Publication of CA2213568A1 publication Critical patent/CA2213568A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/441—Nuclear Quadrupole Resonance [NQR] Spectroscopy and Imaging

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Electron Tubes For Measurement (AREA)
  • Control Of Stepping Motors (AREA)
CA002213568A 1995-02-24 1996-02-23 Method of and apparatus for nuclear quadrupole resonance testing a sample, and pulse sequence for exciting nuclear quadrupole resonance Abandoned CA2213568A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GBGB9503807.1A GB9503807D0 (en) 1995-02-24 1995-02-24 Method of and apparatus for nuclear resonance testing a sample,and pulse sequence for exciting nuclear resonance
GB9503807.1 1995-02-24
GB9506468.9 1995-03-29
GBGB9506468.9A GB9506468D0 (en) 1995-02-24 1995-03-29 Method of and apparatus for nuclear resonance testing a sample,and pulse seque nce for exiting nuclear resonance

Publications (1)

Publication Number Publication Date
CA2213568A1 true CA2213568A1 (en) 1996-08-29

Family

ID=26306582

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002213568A Abandoned CA2213568A1 (en) 1995-02-24 1996-02-23 Method of and apparatus for nuclear quadrupole resonance testing a sample, and pulse sequence for exciting nuclear quadrupole resonance

Country Status (8)

Country Link
US (1) US6208136B1 (enExample)
EP (1) EP0871895B1 (enExample)
JP (4) JPH11501119A (enExample)
AU (1) AU4836396A (enExample)
CA (1) CA2213568A1 (enExample)
FI (2) FI117652B (enExample)
IL (1) IL117259A (enExample)
WO (1) WO1996026453A2 (enExample)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
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US6127824A (en) * 1996-08-28 2000-10-03 Btg International Limited Nuclear quadrupole resonance testing
GB9617978D0 (en) 1996-08-28 1996-10-09 British Tech Group Nuclear quadrupole resonance testing
GB9617976D0 (en) * 1996-08-28 1996-10-09 British Tech Group Method of and apparatus for nuclear quadrupole resonance testing a sample
GB9721892D0 (en) * 1997-10-15 1997-12-17 British Tech Group Apparatus for and method of testing a sample
US20060226838A1 (en) * 1997-10-15 2006-10-12 Btg International Limited NQR method and apparatus for testing a sample by applying multiple excitation blocks with different delay times
US6577128B1 (en) 1998-10-15 2003-06-10 Btg International Limited NQR method and apparatus for testing a sample by applying multiple excitation blocks with different delay times
AU3267499A (en) 1998-03-06 1999-09-20 Btg International Limited Apparatus for and method of nuclear quadrupole resonance testing a sample in thepresence of interference
RU2131121C1 (ru) * 1998-05-07 1999-05-27 Пермский государственный университет Способ определения параметра асимметрии градиента электрического поля в поликристаллах
GB9915842D0 (en) * 1999-07-06 1999-09-08 Btg Int Ltd Methods and apparatus for analysing a signal
AUPQ328299A0 (en) * 1999-10-06 1999-10-28 Thorlock International Limited A method and apparatus for detecting a substance using nuclear resonance
US6614225B1 (en) * 1999-12-03 2003-09-02 David Feinberg Simultaneous image refocusing
US6853188B2 (en) * 1999-12-31 2005-02-08 Advanced Mri Technologies, Llc Method and apparatus for removing specific stimulated echoes in simultaneous image refocusing
US6522138B2 (en) * 2000-03-31 2003-02-18 Schlumberger Technology Corporation Resolution enhancement for sequential phase alternated pair nuclear magnetic resonance measurements
AU2002367581A1 (en) * 2001-07-02 2003-09-22 Quantum Magnetics Inc. Three-frequency nuclear quadrupole resonance (nqr)
AUPR868201A0 (en) 2001-11-05 2001-11-29 Thorlock International Limited Q-factor switching method and apparatus for detecting nuclear quadrupole and nuclear magnetic resonance signals
AUPS295002A0 (en) * 2002-06-13 2002-07-04 Thorlock International Limited A receive system for high q antennas in nqr
AUPS307702A0 (en) * 2002-06-20 2002-07-11 Thorlock International Limited Pulse sequences for exciting nuclear quadrupole resonance
AUPS312102A0 (en) * 2002-06-21 2002-07-18 Thorlock International Limited Pulse sequences for exciting nuclear quadrupole resonance
AUPS319402A0 (en) * 2002-06-24 2002-07-18 Thorlock International Limited Monitoring probes for nuclear quadrupole resonance measurements (#12)
AUPS322802A0 (en) * 2002-06-26 2002-07-18 Thorlock International Limited Large volume scanner for nuclear quadrupole resonance measurements (#14)
US6956370B2 (en) * 2002-10-04 2005-10-18 Schlumberger Technology Corporation Method for reducing ringing in NMR measurements by combining NMR signals having a spin echo and spurious signal component
AU2003902576A0 (en) * 2003-05-26 2003-06-12 Qrsciences Technologies Pty Ltd Method And Apparatus For Detecting Nuclear Quadrupole Resonance Signals In A Sample In The Presence Of Coherent Noise (#10)
USH2177H1 (en) * 2003-08-08 2007-01-02 The United States Of America, As Represented By The Secretary Of The Navy Cancellation of ringing in magnetic resonance utilizing a composite pulse
WO2005106516A2 (en) * 2004-01-07 2005-11-10 Siv Technologies Inc. Method and apparatus for detection of quadrupole nuclei in motion relative to the search region
WO2006084313A1 (en) * 2005-02-08 2006-08-17 Qrsciences Pty Ltd Detection of nuclear quadrupole resonance signals in substances
US7791342B2 (en) 2007-05-18 2010-09-07 Sauer Karen L Cancellation of ringing artifacts and far field interference in nuclear quadrupole resonance
US7705596B2 (en) * 2007-05-18 2010-04-27 The Trustees Of The University Of Pennsylvania System and method for minimizing MRI-imaging artifacts
JP5037236B2 (ja) * 2007-06-20 2012-09-26 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 磁気共鳴イメージング装置および磁気共鳴画像生成方法
DE102007045996A1 (de) * 2007-09-26 2009-03-12 Siemens Ag Mehrfach phasenzyklierte Steady State Free Precession Sequenz und Magnetresonanzgerät dazu
GB0805688D0 (en) 2008-03-28 2008-04-30 King S College London Enhancing signals
RU2386957C1 (ru) * 2008-10-27 2010-04-20 Государственное Учреждение "Научно-производственный комплекс "Технологический центр" Московского Государственного института электронной техники" (ГУ НПК "ТЦ" МИЭТ) Способ преодоления противодействия процессу обнаружения взрывчатых веществ (вв) в комплексе средств обнаружения вв, состоящих из якр-обнаружителя и рентгено-телевизионного интроскопа
US8148982B2 (en) * 2009-04-20 2012-04-03 The Trustees Of The University Of Pennsylvania Spin locked balanced steady-state free precession (slSSFP) with off-resonance spin locked pulses interleaved with imaging gradients
JP6501637B2 (ja) * 2015-06-10 2019-04-17 Ｔｏｙｏ Ｔｉｒｅ株式会社 加硫ゴムの測定方法

Family Cites Families (16)

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GB1334819A (en) 1972-03-30 1973-10-24 Spectrospin Ag Method of recording spin resonance spectra
US4438400A (en) 1982-01-18 1984-03-20 Varian Associates, Inc. Method for suppression of acoustic ringing in NMR measurements
US4443760A (en) 1982-07-01 1984-04-17 General Electric Company Use of phase alternated RF pulses to eliminate effects of spurious free induction decay caused by imperfect 180 degree RF pulses in NMR imaging
US4532474A (en) 1983-09-09 1985-07-30 General Electric Company Nuclear magnetic resonance imaging using pulse sequences combining selective excitation and driven free precession
US4616182A (en) 1983-11-09 1986-10-07 Technicare Corporation Nuclear magnetic resonance signal artifact removal
NL8400699A (nl) 1984-03-05 1985-10-01 Philips Nv Werkwijze voor het verminderen van artefacten bij het met behulp van fourier-zeugmatografie bepalen van beelden.
US4695800A (en) 1985-06-06 1987-09-22 Technicare Corporation Non harmonic NMR spin echo imaging
GB8701695D0 (en) * 1987-01-27 1987-03-04 Smith J A S Detecting compounds
GB9106789D0 (en) * 1991-04-02 1991-05-22 Nat Res Dev Nqr methods and apparatus
GB2255830B (en) 1991-04-02 1995-03-08 British Tech Group Method of and apparatus for NQR testing
GB2286248B (en) 1991-06-07 1995-11-22 British Tech Group Detection method and apparatus
GB9125883D0 (en) 1991-12-05 1992-02-05 Nat Res Dev Improvements in nqr testing
US5365171A (en) * 1992-11-30 1994-11-15 The United States Of America As Represented By The Secretary Of The Navy Removing the effects of acoustic ringing and reducing temperature effects in the detection of explosives by NQR
GB9319875D0 (en) 1993-09-27 1994-03-09 British Tech Group Apparatus for and methods of nuclear resonance testing
GB9325500D0 (en) 1993-12-14 1994-09-21 British Tech Group Method of and apparatus for detection, and method of configuring such apparatus
US5521504A (en) * 1994-01-04 1996-05-28 Bruker Instruments, Inc. Pulse sequence and method for creating a radio-frequency magnetic field gradient with a spatially independent phase for NMR experiments

Also Published As

Publication number Publication date
AU4836396A (en) 1996-09-11
IL117259A (en) 2000-10-31
JPH11501119A (ja) 1999-01-26
WO1996026453A3 (en) 1996-10-10
WO1996026453A2 (en) 1996-08-29
JP2007322443A (ja) 2007-12-13
IL117259A0 (en) 1996-08-04
FI973453L (fi) 1997-10-20
FI20041404L (fi) 2004-11-01
JP2006234841A (ja) 2006-09-07
US6208136B1 (en) 2001-03-27
JP3944235B2 (ja) 2007-07-11
EP0871895A2 (en) 1998-10-21
EP0871895B1 (en) 2008-10-08
FI117652B (fi) 2006-12-29
FI973453A0 (fi) 1997-08-22
FI20041404A7 (fi) 2004-11-01
JP2006234842A (ja) 2006-09-07

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued