UDP-glucose
UDP-xylose
UDP-xylosyltransferase
ultimate limit design
ultimate strength
ultra-stracture
ultrasonic frequencies
ultrasonic measurement
ultrasonic method
ultrasonic radiation
ultrasonic transit time
ultrasonic treatment
ultrasonic velocity
ultrasonic wave
ultrasonic wave velocity
ultrasonic-wave method
ultrasonics
ultrasound velocity
ultrastructure
ultraviolet microscopy
umbrella plant
uncatalyzed acetylation
undesirable changed spawn
undried heartwood
uniaxial compression test
uniaxial-compression test
uniaxial-tension test
uniconazole-P
unilateral dikaryotization
unit cell
unreacted phenol
unsaturated polyester
unsaturated polyester resin
unskilled woodworker
unstable diffusion coefficient
unstable state
unsteady heat conduction
unsterile soil-bed
up-milling
upgrading of tar
uptake
upward flame spreading
urea
urea disturbance
urea formaldehyde resin
urea linkage
urea resins
urea-based resin
urea-formaldehyde adhesive
urea-formaldehyde resin
urea/methylolphenols
ureaformaldehyde resin
urethane
urethane linkage
Urocerus japonicus
uronic acid
urushi
urushi wax
use of glucose
use of lignocellulose
useful selection method
utilization of wood
UV
UV absorbent
UV irradiation
UV microscopy
UV radiation exposure
UV spectrum
UV-light irradiation