JEOL JNM-ECA Series User Manual page 8

CONTENTS
4. ADJUSTMENT OF MEASUREMENT CONDITIONS AND
PROCESSING CONDITIONS
4.1 SETTING PULSE WIDTH IN SINGLE PULSE
MEASUREMENT ..................................................................................4-1
4.2 SETTING WAITING TIME IN SINGLE PULSE
MEASUREMENT ..................................................................................4-2
4.3 SETTING CONTACT TIME IN CP METHOD ....................................4-3
4.4 SETTING WAITING TIME IN CP METHOD .....................................4-4
4.5 SETTING SAMPLING POINT (X_POINTS) .......................................4-5
4.6 HOW TO USE FORWARD LINEAR PREDICTION ...........................4-6
4.7 HOW TO USE BACKWARD LINEAR PREDICTION........................4-7
5. MULTINUCLEAR MEASUREMENT
5.1 OUTLINE OF MULTINUCLEAR MEASUREMENT..........................5-1
5.2 METHOD OF MEASURING RARE SPIN NUCLEUS OF SPIN
1/2 ...........................................................................................................5-2
5.3 METHOD OF MEASURING
5.4 METHOD OF MEASURING NUCLEUS OF SPIN 1 ..........................5-3
5.5 METHOD OF MEASURING NUCLEUS OF HALF-INTEGER
SPIN........................................................................................................5-3
6. MEASUREMENT OF RELAXATION TIME
6.1 OUTLINE OF RELAXATION-TIME MEASUREMENT .....................6-1
6.2 RELAXATION TIME MEASUREMENT BY DIRECT
MEASUREMENT ..................................................................................6-2
6.3 RELAXATION TIME MEASUREMENT OF
METHOD ...............................................................................................6-4
6.4 MEASUREMENT OF T
6.5 RELAXATION TIME MEASUREMENT OF
OBSERVATION USING CP METHOD ................................................6-6
7. MQMAS METHOD
7.1 OUTLINE OF MQMAS METHOD.......................................................7-1
7.2 PRINCIPLE ............................................................................................7-3
7.3 ADJUSTMENT ......................................................................................7-5
7.3.1
7.3.2
7.4 MEASUREMENT ..................................................................................7-8
7.5 PROCESSING........................................................................................7-9
7.6 APPENDIX ..........................................................................................7-12
7.6.1
7.6.2
INDEX
C-2
(T
ρ
1
Adjustment of Power .......................................................................7-5
Adjustment of Parameters ...............................................................7-6
Shearing process............................................................................7-12
Scaling Processing.........................................................................7-13
1 H/ 19 F......................................................5-2
13 C BY TORCHIA
IN THE ROTATING FRAME) .............6-5
1
1 H BY INDIRECT
NMECAXS_V50-SLD-2