Ciencia Latina Revista Científica Multidisciplinar,
Год журнала:
2024,
Номер
8(1), С. 10392 - 10411
Опубликована: Апрель 8, 2024
El
presente
trabajo
tuvo
como
objetivo
general
desarrollar
un
modelo
de
control
Neuro
–
difuso
la
distribución
agua
en
el
tramo
km
8+000
20+000
del
canal
riego
IRCHIM
2020,
que
posibilite
aumentar
operatividad
sobre
canal,
así
disminuir
las
pérdidas
por
concepto
operación,
tipo
estudio
fue
aplicada,
con
diseño
experimental
categoría
pre
experimental,
población
fueron
los
puntos
IRCHIM,
muestreo
no
probabilístico
conveniencia.
De
resultados
se
obtuvo
principal
necesita
para
correcta
riego,
tratamiento
potabilización,
mismo
desarrolló
neuro-difuso
a
medida
seleccionado
PLC
utilizado
está
basado
tecnología
Arduino
diseñado
uso
profesional
y
programado
MATLAB,
consta
17
entradas/salidas
también
contiene
varios
puertos
comunicación
proporcionan
mayor
flexibilidad
control,
pues
familia
M-DUINO
ofrece
posibilidad
expandir
hasta
127
módulos
través
I2C,
lo
significa
puede
tener
7
100
Entradas/Salidas
conexiones
Maestro-Esclavo,
además
sensores,
etc.,
sensor
piezométrico
presenta
rango
medición
0
10
metros,
su
fuente
alimentación
es
12
24
V,
una
RS-485
MODBUS
RTU
último
protección
IP68,
estas
herramientas
actuadores
controladores,
quiere
decir
implementación
mejora
potabilización
consumo
humano.
Frontiers in Environmental Science,
Год журнала:
2024,
Номер
12
Опубликована: Фев. 20, 2024
Detecting
hazardous
substances
in
the
environment
is
crucial
for
protecting
human
wellbeing
and
ecosystems.
As
technology
continues
to
advance,
artificial
intelligence
(AI)
has
emerged
as
a
promising
tool
creating
sensors
that
can
effectively
detect
analyze
these
substances.
The
increasing
advancements
information
have
led
growing
interest
utilizing
this
environmental
pollution
detection.
AI-driven
sensor
systems,
AI
Internet
of
Things
(IoT)
be
efficiently
used
monitoring,
such
those
detecting
air
pollutants,
water
contaminants,
soil
toxins.
With
concerns
about
detrimental
impact
legacy
emerging
on
ecosystems
health,
it
necessary
develop
advanced
monitoring
systems
detect,
analyze,
respond
potential
risks.
Therefore,
review
aims
explore
recent
using
AI,
IOTs
taking
into
account
complexities
predicting
tracking
changes
due
dynamic
nature
environment.
Integrating
machine
learning
(ML)
methods
revolutionize
science,
but
also
poses
challenges.
Important
considerations
include
balancing
model
performance
interpretability,
understanding
ML
requirements,
selecting
appropriate
models,
addressing
related
data
sharing.
Through
examining
issues,
study
seeks
highlight
latest
trends
leveraging
IOT
monitoring.
Environmental Science & Technology,
Год журнала:
2024,
Номер
58(13), С. 5670 - 5684
Опубликована: Март 19, 2024
PFASs
are
linked
to
serious
health
and
environmental
concerns.
Among
their
widespread
applications,
known
be
used
in
food
packaging
directly
contribute
human
exposure.
However,
information
about
is
scattered.
Therefore,
we
systematically
map
the
evidence
on
detected
migrates
extracts
of
contact
materials
provide
an
overview
available
hazard
biomonitoring
data.
Based
FCCmigex
database,
68
have
been
identified
various
materials,
including
paper,
plastic,
coated
metal,
by
targeted
untargeted
analyses.
87%
these
belong
perfluorocarboxylic
acids
fluorotelomer-based
compounds.
Trends
chain
length
demonstrate
that
long-chain
perfluoroalkyl
continue
found,
despite
years
global
efforts
reduce
use
substances.
We
utilized
ToxPi
illustrate
data
for
only
57%
packaging.
For
those
which
toxicity
testing
has
performed,
many
adverse
outcomes
reported.
The
knowledge
gaps
presented
here
support
international
proposals
restrict
as
a
group,
protect
health.
Environmental Health,
Год журнала:
2024,
Номер
23(1)
Опубликована: Апрель 16, 2024
Abstract
Background
Per-
and
polyfluoroalkyl
substances
(PFAS)
are
associated
with
many
adverse
health
conditions.
Among
the
main
effects
is
carcinogenicity
in
humans,
which
deserves
to
be
further
clarified.
An
evident
association
has
been
reported
for
kidney
cancer
testicular
cancer.
In
2013,
a
large
episode
of
surface,
ground
drinking
water
contamination
PFAS
was
uncovered
three
provinces
Veneto
Region
(northern
Italy)
involving
30
municipalities
population
about
150,000.
We
report
on
temporal
evolution
all-cause
mortality
selected
cause-specific
by
calendar
period
birth
cohort
local
between
1980
2018.
Methods
The
Italian
National
Institute
Health
pre-processed
made
available
anonymous
data
from
Statistics
death
certificate
archives
residents
Vicenza,
Padua
Verona
(males,
n
=
29,629;
females,
29,518)
who
died
Calendar
analysis
done
calculating
standardised
ratios
using
total
same
as
reference.
performed
20–84
years
cumulative
ratios.
Exposure
defined
being
resident
one
Red
area
,
where
aqueduct
supplying
fed
contaminated
groundwater.
Results
During
34
1985
(assumed
beginning
date
contamination)
2018
(last
year
availability
data),
we
observed
51,621
deaths
vs.
47,731
expected
(age-
sex-SMR:
108;
90%
CI:
107–109).
found
evidence
raised
cardiovascular
disease
(in
particular,
heart
diseases
ischemic
disease)
malignant
neoplastic
diseases,
including
Conclusions
For
first
time,
an
exposure
formally
demonstrated.
regarding
consistent
previously
data.
Toxics,
Год журнала:
2025,
Номер
13(2), С. 134 - 134
Опубликована: Фев. 12, 2025
Per-
and
polyfluoroalkyl
substances
(PFAS)
are
synthetic
chemicals
widely
used
in
consumer
industrial
products
due
to
their
unique
physicochemical
properties.
However,
persistence
bioaccumulative
potential
pose
significant
environmental
human
health
risks.
This
review
focuses
on
the
use
of
non-invasive
matrices-urine,
hair,
nails-for
biomonitoring
PFAS,
highlighting
key
findings
from
scientific
studies.
While
urine
offers
a
practical
option,
its
limited
sensitivity
for
long-chain
PFAS
requires
further
analytical
advances.
Hair
nails
have
demonstrated
biomonitoring,
with
higher
detection
frequencies
concentrations
certain
compared
urine.
The
variability
levels
across
studies
reflects
differences
population
characteristics,
exposure
sources,
geographic
regions.
emphasizes
need
standardized
methods,
expanded
studies,
complementary
matrices
enhance
accuracy
reliability
assessment.
International Journal of Heat and Mass Transfer,
Год журнала:
2023,
Номер
220, С. 125004 - 125004
Опубликована: Ноя. 28, 2023
Silicon
dioxide
(SiO2)
is
a
prominent
candidate
for
radiative
cooling
applications
due
to
its
low
absorption
in
solar
wavelengths
(0.25–2.5
µm)
and
exceptional
stability.
However,
bulk
phonon-polariton
band
results
strong
reflection
peak
the
atmospheric
transparency
window
(8–13
μm),
making
it
difficult
meet
requirements
sub-ambient
passive
cooling.
Herein,
we
demonstrate
that
SiO2
micropillar
arrays
can
effectively
suppress
infrared
at
8–13
μm
enhance
emissivity
by
optimizing
array
structure.
We
created
pattern
with
height,
spacing,
diameter
of
approximately
1.45
μm,
0.15
0.35
respectively,
on
top
substrate
using
reactive
ion
etching.
The
resulting
surface
phonon
coupling
led
an
increase
thermal
from
0.79
0.94.
Outdoor
tests
show
cooler
optimized
generate
average
temperature
drop
5.5
°C
throughout
daytime
underneath
irradiance
843.1
W
m−2
noon.
Furthermore,
endow
remarkable
hydrophobic
properties,
attributed
formation
F/C
compounds
introduced
during
etching
process.
Finally,
also
replicated
onto
industrial
optical
reflectors
(OSRs),
demonstrating
similar
hydrophobicity
enhancements.
Our
findings
revealed
effective
strategy
modifying
management
features
durable
layers,
which
be
harnessed
cool
OSRs
other
sky-facing
devices.
Advanced Materials Interfaces,
Год журнала:
2023,
Номер
11(3)
Опубликована: Ноя. 27, 2023
Abstract
In
recent
years,
an
increasing
number
of
passive
radiative
cooling
materials
are
proposed
in
the
literature,
with
several
examples
relying
on
use
silica
(SiO
2
)
due
to
its
unique
stability,
non‐toxicity,
and
availability.
Nonetheless,
bulk
phonon‐polariton
band,
SiO
presents
a
marked
reflection
peak
within
atmospheric
transparency
window
(8‐13
µm),
leading
emissivity
decrease
that
poses
challenge
fulfilling
criteria
for
sub‐ambient
cooling.
Thus,
latest
developments
this
field
devoted
design
engineered
photonic
structures,
increase
potential
coolers.
This
review
seeks
identify
most
effective
fabrication
strategies
emitters
by
evaluating
their
efficacy,
as
well
scalability,
providing
in‐depth
analysis
fundamental
principles,
structural
models,
results
(both
numerical
experimental)
various
types
Environment International,
Год журнала:
2024,
Номер
190, С. 108844 - 108844
Опубликована: Июнь 22, 2024
Per-
and
polyfluoroalkyl
substances
(PFAS)
receive
global
attention
due
to
their
adverse
effects
on
human
health
the
environment.
Fish
consumption
is
a
major
source
of
PFAS
exposure.
The
aim
this
work
was
address
lack
harmonization
within
legislations
(in
EU
USA)
highlight
level
in
fish
exposed
pollution
from
diffuse
sources
context
current
safety
thresholds.
A
non-exhaustive
literature
review
carried
out
obtain
concentrations
wild
Norwegian
mainland,
Svalbard,
Netherlands,
USA,
as
well
sea
regions
(North
Sea,
English
Channel,
Atlantic
Ocean),
farmed
Dutch
market.
Median
sum
wet
weight
PFOA,
PFNA,
PFHxS,
PFOS
ranged
between
0.1
µg
kg
Journal of The Electrochemical Society,
Год журнала:
2024,
Номер
171(5), С. 054509 - 054509
Опубликована: Апрель 29, 2024
Recent
developments
in
hydrocarbon-based
proton
exchange
membrane
fuel
cells
have
significantly
narrowed
the
performance
gap
compared
to
state-of-the-art
using
perfluorosulfonic
acid
ionomers
(PFSA).
However,
balancing
protonic
resistance
and
gas
transport
catalyst
layer
remains
a
challenge
at
low
humidity.
This
study
investigates
its
components
sulfonated
phenylated
polyphenylene-based
layers
various
limiting
current
methods.
Results
show
that
increasing
dry
ionomer
carbon
(I/C)
ratio
from
0.2
0.4,
measure
catch
up
with
of
PFSA-based
layers,
increases
cathode
by
28
%.
The
data
suggest
strong
correlation
between
local
IEC.
A
high
IEC
is
beneficial
for
through
film.
volume
fractions
dominated
I/C
independent
interfacial
resistance.
Furthermore,
hydrocarbon
ionomer,
such
as
Pemion
®
PP1-HNN4–00-X
(IEC
=
2.5
meq
g
−1
),
not
only
exhibits
resistance,
but
also
suppresses
excessive
swelling,
which
typically
occurs
during
operating
conditions
where
liquid
water
forming.