Using multiple machine learning algorithms to optimize the water quality index model and their applicability
Ecological Indicators,
Journal Year:
2025,
Volume and Issue:
172, P. 113299 - 113299
Published: March 1, 2025
Language: Английский
Systematic review of statistical methods for the identification of buildings and areas with high radon levels
J. F. Rey,
No information about this author
Sara Antignani,
No information about this author
Sebastian Baumann
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et al.
Frontiers in Public Health,
Journal Year:
2024,
Volume and Issue:
12
Published: Sept. 11, 2024
Radon
is
a
natural
and
radioactive
noble
gas,
which
may
accumulate
indoors
cause
lung
cancers
after
long
term-exposure.
Being
decay
product
of
Uranium
238,
it
originates
from
the
ground
spatially
variable.
Many
environmental
(i.e.,
geology,
tectonic,
soils)
architectural
factors
building
age,
floor)
influence
its
presence
indoors,
make
difficult
to
predict.
However,
different
methods
have
been
developed
applied
identify
radon
prone
areas
buildings.
This
paper
presents
results
systematic
literature
review
suitable
statistical
willing
buildings
where
high
indoor
concentrations
might
be
found.
The
application
these
particularly
useful
improve
knowledge
most
likely
connected
concentrations.
These
types
are
not
so
commonly
used,
since
generally
that
study
predictive
concentration
focused
on
average
aim
level.
In
this
paper,
an
attempt
has
made
classify
found,
their
description
clearer.
Four
main
classes
identified:
descriptive
methods,
regression
geostatistical
machine
learning
methods.
For
each
presented
method,
advantages
disadvantages
while
some
applications
examples
given.
ultimate
purpose
overview
provide
researchers
with
synthesis
optimize
selection
method
Language: Английский
Exploring statistical and machine learning techniques to identify factors influencing indoor radon concentration
The Science of The Total Environment,
Journal Year:
2023,
Volume and Issue:
905, P. 167024 - 167024
Published: Sept. 14, 2023
Language: Английский
Preliminary Results of the Kuznetsk Coal Basin Cover Deposits Radon Hazard Assessment
Geosciences,
Journal Year:
2025,
Volume and Issue:
15(1), P. 14 - 14
Published: Jan. 6, 2025
The
study
of
the
influence
geological
structure
(e.g.,
faults)
on
radon
emanations
is
usually
applicable
provided
that
there
are
conditionally
background
(control)
territories
with
which
indicators
will
be
compared.
In
presented
study,
we
selected
an
area
where
pre-Cenozoic
faults
could
potentially
associated
hazard
Kuznetsk
coal
basin
were
not
identified.
cover
deposits
in
represented
by
loamy
and
clayey
strata
overlying
Paleozoic
sedimentary
cycles.
field
was
estimated
based
flux
density
(RFD)
activity
concentration
(RAC)
soil
gas.
RAC
measured
two
ways—by
sorption
method
activated
carbon
active
sampling
gas
from
a
borehole.
At
same
time,
role
meteorological
conditions
physical
properties
assessed.
Our
shows
local
variations
insignificant
do
have
significant
effect
basin,
exception
moisture.
High
values
territory
considered
as
background,
absence
faults,
suggest
other
causes
(the
presence
latest
Neogene–Quaternary
high
concentrations
226Ra,
or
insufficiently
studied
causes).
Due
to
it
possible
assume
diffusion
type
transfer
environment,
indicates
shallow
source
such
concentrations.
results
indicate
studies
226Ra
content
additional
similar
areas
should
also
carried
out.
Language: Английский
From data to diagnosis: evaluation of machine learning models in predicting kidney stones
Neural Computing and Applications,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 19, 2025
Language: Английский
Assessment of natural radioactivity and radon release potential of silurian black shales
Radiation Physics and Chemistry,
Journal Year:
2023,
Volume and Issue:
215, P. 111347 - 111347
Published: Oct. 23, 2023
Many
countries
are
developing
a
radon
action
plan
to
provide
decision-makers
with
reliable
tool
for
reducing
the
harmful
effects
of
exposure
in
dwellings
and
among
general
public
and,
accordingly,
implement
land
development
strategies.
Mapping
geogenic
release
different
geological
environments
could
assist
delineating
areas
that
require
priority
monitoring
regulation,
as
well
applying
reduction
techniques
newly
constructed
buildings.
In
this
paper,
activity
concentration
238U,
226Ra,
232Th
40K
exhalation
rate
222Rn
have
been
estimated
Silurian
black
shales
Villasalto,
district
south-eastern
Sardinia
(Italy).
The
radioactivity
radionuclides
was
found
relatively
high
(256.32
±
87.00
Bq.kg−1),
low
(44.16
9.47
Bq.kg−1)
moderate
(856.28
392.41
respectively.
emanation
coefficient
(E)
production
(PRn)
calculated
based
on
analysis
growth
model
inside
sealed
chamber.
E
correlate
grain
size
soil/rock
samples
under
investigation.
PRn
high,
ranging
from
212.54
524.27
Bq.m−3.h−1.
Furthermore,
mean
value
main
radiation
hazard
indexes
(i.e.,
radium
equivalent
activity,
outdoor
gamma-ray
dose
annual
effective
dose)
were
be
299.07
138.62
Bq.kg−1,
169.97
75.58
nGy
h−1
0.21
0.09
mSv.y−1
Language: Английский
Technical Report Evaluation and study of radon occupational exposure levels in dams: a case study of the Gallery of Medau Zirimilis Dam (Sardinia, Italy)
Journal of the European Radon Association,
Journal Year:
2023,
Volume and Issue:
unknown
Published: Aug. 31, 2023
Protection
of
people
from
radon
exposure
in
workplaces
is
an
important
factor
decreasing
lung
cancer
risk.
International
authorities
have
set
‘reference
levels’
to
control
enhanced
exposure.
Radiometric
investigations,
including
in-situ
measurements
and
laboratory
gamma-spectroscopy,
were
carried
out
monitor
the
define
transfer
model
Medau-Zirimilis
Dam
Sardinia.
It
was
found
that
a
shale
formation
main
source
accumulated
gallery
this
dam.
The
water
passing
through
bedrock
transports
considerable
amount
sediments
containing
uranium-bearing
minerals.
Outgassing
flowing
drainage
canal
its
accumulation
due
poor
ventilation
could
be
reasons
for
indoor
level.
methodology
introduced
here
can
adopted
underground
like
mines
tunnels
understand
natural
radiation
hazard
effectiveness
possible
mitigation
strategies.
Language: Английский
Utilization of radiometric data for mapping primary and secondary sources of gamma radiation and radon/thoron release potentials in Ireland
Frontiers in Public Health,
Journal Year:
2024,
Volume and Issue:
12
Published: Sept. 16, 2024
This
paper
presents
a
novel
approach
to
predict
and
map
radon
thoron
levels.
We
developed
separate
prediction
maps
for
Ireland
introduced
system
producing
high-resolution
3D
radiation
which
may
be
used
planning
purposes
in
residential
areas,
recycling
demolishing
waste
depots,
quarries
of
building
construction
material.
Additionally,
we
highlight
the
critical
need
monitor
alongside
indoor
surveys,
as
thoron's
shorter
half-life
higher
energy
levels
pose
greater
health
risk.
Language: Английский