In
the
last
few
decades,
promotion
of
active
transport
has
been
a
viable
solution
recommended
by
transportation
researchers,
urban
planners,
and
policymakers
to
reduce
traffic
congestion
improve
public
health
in
cities.
To
encourage
transport,
it
is
important
for
cities
provide
safe
accessible
infrastructure
pedestrians
cyclists,
as
well
incentives
individuals
choose
modes
over
private
vehicles.
this
research,
we
focused
on
suburb
Point
Cook,
located
within
City
Wyndham
Melbourne’s
west,
owing
its
rising
human
population
vehicle
ownership.
The
primary
aim
research
examine
barriers
interconnectivity
networks
cyclists
determine
segments
network
that
are
not
Cook
residents.
Our
methodology
enshrined
use
Social
Pinpoint,
which
an
online
interactive
survey
platform,
ground
surveys
(face-to-face
interviews).
our
assessment
utilised
concept
20-min
neighbourhoods
evaluate
accessibility
many
places
800-metre
walking
distance
from
residents’
homes.
Based
findings,
approximately
one-third
engaged
regular
walking,
with
frequency
ranging
once
day
every
two
days.
One-third
participants
trips
or
twice
week,
whereas
remaining
two-thirds
conducted
less
frequently
than
week.
Almost
89%
expressed
varying
levels
interest
increasing
their
frequency.
findings
showed
improving
pedestrian
cycling
easily
accessible,
well-integrated,
inclusive,
prerequisite
achieving
create
everything
distance.
Agriculture,
Год журнала:
2023,
Номер
13(5), С. 930 - 930
Опубликована: Апрель 24, 2023
Agricultural
machinery
can
improve
agricultural
productivity
and
promote
scale
operation.
However,
operations
lead
to
increased
dust
in
farmland
affect
the
atmospheric
environment;
thus,
they
have
been
increasingly
emphasized.
In
this
study,
effects
of
wheat
cultivation
were
investigated
regarding
emissions
three
kinds
particulate
matters,
namely
fine
matter
(PM2.5),
inhalable
(PM10)
total
suspended
(TSP),
from
Beijing.
The
results
showed
that
emission
traditional
tillage
mode,
including
straw
crushing,
rotary
tilling
sowing,
was
3.990
g
per
hectare,
which
larger
than
conservation
mode
only
no-tillage
sowing
(0.407
hectare).
for
one
hectare
under
two
modes
3.415
g,
0.497
0.407
0.078
shredding,
tillage,
conventional
respectively.
values
PM2.5/PM10
PM2.5/TSP
decreased
each
section
after
operation,
while
PM10/TSP
basically
unchanged,
indicating
due
are
mainly
PM10
TSP.
concentration
generated
by
with
an
increase
speed
provided
quality
operation
guaranteed.
This
study
provides
guidance
reducing
mechanized
operations,
improving
air
decreasing
health
hazards
operators
machinery.
International Journal of Thermofluids,
Год журнала:
2023,
Номер
20, С. 100497 - 100497
Опубликована: Окт. 21, 2023
Due
to
health
concerns,
a
device
that
separates
soot
particles
based
on
their
size
is
commonly
used
monitor
the
concentration
of
in
ambient
air.
This
numerical
study
aimed
observe
particle
flow
characteristics
low-volumetric
separators
and
assess
performance
under
recommended
operating
conditions.
The
Computational
Fluid
Dynamics
(CFD)
technique,
specifically
Discrete
Particle
Model
(DPM)
approach,
was
utilized
analyze
behavior
calculate
velocities.
investigation
focused
small
harmful
with
sizes
1
µm,
10
20
µm.
Three
volumetric
rates
close
manufacturer's
suggestion,
l/min,
15
were
examined
evaluate
separation
efficiency
impact
separator.
revealed
rate
Stokes
numbers
significantly
impacted
behavior,
vorticity
strength,
classification
within
residence
time
inside
chamber
identified
as
an
important
factor
for
assessing
performance,
it
crucial
control
key
parameters
optimize
process.
l/min
efficient
(PM1,
PM10,
PM20).
current
classifying
percentage
smaller
than
PM10
approximately
70%.
Therefore,
future
work
will
investigate
effects
chamber's
internal
configurations
enhance
separator's
efficiency,
where
modified
structure
could
be
explored
recommended.
In
recent
years,
the
introduction
of
electric
vehicles
as
a
means
transportation
has
been
gradually
growing
in
most
developing
and
developed
countries,
especially
terms
energy
efficiency,
diversification,
environmental
sustainability.
While
countries
have
trying
to
keep
up
with
vehicle
usage
buying
trends,
African
are
still
riddled
severe
power
outages
electricity
load
shedding.
The
adoption
(EVs)
led
corresponding
increase
availability
charging
infrastructure,
thereby
exerting
notable
impacts
on
grids
countries.
Recent
evidence
suggests
that
various
strategies
grid
integration
approaches
being
mitigate
negative
(EV)
enhance
advantages
integrating
EVs
grid.
However,
researchers
struggled
develop
applicable
sensible
mitigation
tackle
this
issue,
which
seriously
rendered
sustainability
Africa
serious
doubt.
primary
aim
research
is
provide
conceptual
theoretical
framework
based
previous
current
literature
reviews
examine
challenges
facing
Africa.
addition,
we
explored
economic
benefits
regarding
urban
infrastructure
existing
network.
This
study
contributes
expanding
body
by
emphasising
significance
incorporating
principles
It
also
examines
effects
infrastructure.
Microorganisms,
Год журнала:
2023,
Номер
11(10), С. 2531 - 2531
Опубликована: Окт. 10, 2023
The
long-distance
spreading
and
transport
of
airborne
particulate
matter
(PM)
biogenic
or
chemical
compounds,
which
are
thought
to
be
possible
carriers
SARS-CoV-2
virions,
can
have
a
negative
impact
on
the
incidence
severity
COVID-19
viral
disease.
Considering
total
Aerosol
Optical
Depth
at
550
nm
(AOD)
as
an
atmospheric
aerosol
loading
variable,
inhalable
fine
PM
with
diameter
≤2.5
µm
(PM2.5)
coarse
≤10
(PM10)
during
26
February
2020–31
March
2022,
COVID-19’s
five
waves
in
Romania,
current
study
investigates
outdoor
pandemic
Bucharest
city.
Through
descriptive
statistics
analysis
applied
average
daily
time
series
situ
satellite
data
PM2.5,
PM10,
climate
parameters,
this
found
decreased
trends
PM2.5
PM10
concentrations
24.58%
18.9%,
respectively
compared
pre-pandemic
period
(2015–2019).
Exposure
high
levels
particles
was
positively
correlated
mortality.
derived
PM2.5/PM10
ratios
entire
relatively
low
(<0.44),
indicating
dominance
traffic-related
particles’
fraction.
Significant
reductions
averaged
AOD
over
were
recorded
first
third
their
associated
lockdowns
(~28.2%
~16.4%,
respectively)
(2015–2019)
levels.
findings
research
important
for
decision-makers
implementing
safety
controls
health
measures
infections.
Journal of Ecological Engineering,
Год журнала:
2023,
Номер
24(5), С. 32 - 39
Опубликована: Март 29, 2023
Due
to
its
irritating,
allergenic,
toxic,
pathogenic,
and
carcinogenic
effects,
suspended
particulate
matter
(PM)
seriously
threatens
human
health.Therefore,
it
seems
obvious
control
the
level
of
concentration
PM2.5
PM10
particles
their
reduction
in
indoor
environment
such
as
homes,
workplaces,
or
public
utilities.In
following
work,
an
attempt
was
made
determine
efficiency
a
home
air
purifier
based
on
at
selected
measurement
points
teaching
room
located
building
Bialystok
University
Technology.The
tests
were
carried
out
March
April
2021,
using
DT-96
meter,
which
measured
air.The
study
included
time
intensity
operation.In
addition,
reference
outdoor
air,
measuring
stations
city
Bialystok.The
obtained
test
results
possible
assess
initial
state
quality
room,
well
parameters
affecting
best
notice
dependencies
changes
between
environment.
