POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
PTY_ISOTOPE_RATIO
SUBTYPE OF
(
property
);
bulk_material :
OPTIONAL
bulk_material
;
data_value :
ndt_real4
;
measured_isotope :
material_class
;
referenced_isotope :
material_class
;
UNIQUE
si: bulk_material, measured_isotope, referenced_isotope,
process_data
.activity;
END_ENTITY
; (* pty_isotope_ratio *)
Generated on Tue Jul 10 19:38:29 2001
© Copyright 2001 POSC. All rights reserved.