Rapid and nondestructive quality analysis of thermally oxidized rapeseed oil based on ultrasonic diagnostic technology: A study on temperature compensation mechanisms
Food Chemistry,
Год журнала:
2025,
Номер
unknown, С. 144481 - 144481
Опубликована: Апрель 1, 2025
Язык: Английский
Pulse echo method for characterizing the ultrasonic properties of argan oil compared to vegetable oils with similar fatty acid profiles
International Journal of Food Engineering,
Год журнала:
2024,
Номер
20(9-10), С. 693 - 702
Опубликована: Авг. 20, 2024
Abstract
This
study
investigates
the
use
of
a
non-destructive
ultrasonic
pulse-echo
method
to
characterize
argan
oil
and
other
vegetable
oils
with
similar
fatty
acid
profiles.
Ultrasonic
parameters
such
as
velocity,
acoustic
attenuation
reflection
coefficient
were
measured
across
different
temperatures.
These
used
create
predictive
models
velocity
using
partial
least
squares
regression.
Results
demonstrated
significant
correlations
between
properties,
temperature
content.
Specifically,
was
found
be
directly
proportional
content
saturated
acids
inversely
monounsaturated
polyunsaturated
acids.
The
also
correlate
composition
oils.
Additionally,
both
decreased
increased
from
25
°C
50
°C.
At
°C,
for
22.37
Np/m,
decreasing
11.37
Np/m
at
allowed
differentiation
food-grade
oil,
seeds
regurgitated
by
goats,
sesame
peanut
oil.
developed
exhibited
high
coefficients
determination,
value
97.03
indicating
strong
agreement
predicted
velocities.
research
highlights
potential
techniques
characterization
quality
control.
Язык: Английский
Characterization of Cementitious Materials Through Analysis of Dispersion Curves Using Singular Value Decomposition
Annales de Chimie Science des Matériaux,
Год журнала:
2024,
Номер
48(04), С. 491 - 497
Опубликована: Авг. 30, 2024
Non-destructive
characterization
of
cementitious
materials
is
essential
to
ensure
structural
integrity
and
longevity
in
civil
engineering.This
study
presents
an
advanced
approach
using
singular
value
decomposition
(SVD)
analyze
ultrasonic
dispersion
curves,
thereby
improving
the
clarity
precision
cement
slabs.We
focused
on
impact
different
water/cement
ratios
properties,
revealing
how
these
influence
material's
microstructure
mechanical
properties.Our
results
show
that
higher
increase
porosity
reduce
density,
thus
slowing
down
propagation
waves
potentially
reducing
strength.The
application
SVD
allowed
for
isolation
significant
signal
components,
providing
a
better
understanding
acoustic
behavior
properties
material.These
findings
highlight
importance
precise
control
over
ratio
development
durable
robust
structures.The
suggests
can
significantly
improve
reliability
non-destructive
testing
methods,
making
it
valuable
tool
science
research
advances
current
methodologies
by
offering
enhanced
accuracy
characterizing
internal
structure
materials.
Язык: Английский