U字彙

U tube
U type crystallizer
U-tube heat exchanger

ultimate disposal
ultimate period
ultimate periodic response
ultimate periodic solution
ultimate sensitivity
ultimate stress

ultra accelerator
ultra microchemistry

ultracentrifugation
ultracentrifuge
ultrafilter
ultrafiltration
ultragrinder
ultramicroscope
ultramicroscopy
ultrapurification
ultrasonics
ultrathin film
umber
unbound water
uncompetitive inhibition
unconstrained optimization
uncoupling
undercoat
underdamping
underdrainage system
underload
undershoot
uniaxial stress
unicellular growth
unidirectional reaction
uniflux tray
unilateral slit
unimolecular reaction
unique steady state
uniqueness of steady state
unleaded gasoline
unloading
unmixed flow reactor
unox process
unpacked-tube reactor
unreacted core model
unsaponified matter
unsaturation
unstructured model
unsupported catalyst
upflow column
upgrading
uranite
urease
urethane
UV spectrophotometer

ultramarine
ultramarine
ultramarine blue
ultramarine brown
ultramarine green
ultramarine violet
ultramarine yellow

ultrasonic agglomeration
ultrasonic cleaning
ultrasonic flow
ultrasonic meter
ultrasonic precipitation
ultrasonic vibrator
ultrasonic viscometer

ultraviolet absorber
ultraviolet absorption
ultraviolet colorimeter
ultraviolet curing
ultraviolet fluorescence
ultraviolet generator
ultraviolet lamp
ultraviolet light
ultraviolet microscope
ultraviolet microscopy
ultraviolet ray
ultraviolet spectrophotometer

undamped natural frequency
undamped response
undamped system

under cure
under cured rubber
under-driven buhrstone mill

underdamped response
underdamped system

underflow
underflow locus
underflow rate
underflow velocity

uniform coking
uniform conversion
uniform conversion model
uniform crystal
uniform distribution
uniform flow
uniform loading
uniform poisoning
uniform stream

uniformity
uniformity coefficient

union
union of asymptotic stability

unit computation
unit cost
unit cost estimation
unit feedback
unit operation
unit process

universal condenser
universal gas constant
universal indicator
universal joint
universal quasi-chemical activity coefficient method{=UNIQUAC method}
universal quasi-chemical functional group activity coefficient method{=UNIFAC method }
universal velocity distribution

unsaturated fatty acid
unsaturated hydrocarbon
unsaturated polyester

unstable operating point
unstable response
unstable state
unstable steady state
unstable system

unsteady flow
unsteady state
unsteady state heat transfer
unsteady state operation
unsteady state process

upper bound
upper control limit
upper limit

upstream
upstream pressure

uptake
uptake rate

urea
urea-formaldehyde resin

utility
utility check list
utility flowsheet
utility service

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