754 SUBJECT INDEX
spring wood, 14
tension wood, 18, 533-534
tracheid, 16, 17
tyloses, 14, 584
variation, 532-534
vascular cambium, 15
vessel, hardwood, 14, 18, 583-
584
Wood
Science
and
Technology,
7
Xanthate, cellulose, 40
Xylan, 32, 34, 55, 49
Xylose, 33, 35
Yankee dryer, 244, 245, 261
Yield, 55
Zeta potential, 206, 425-426, 439,
442-443, 453