Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Окт. 14, 2024
In
container
terminal,
the
trucks
should
go
by
a
"quay
crane
-
-import
and
export
block"
routing,
optimization
of
this
routing
has
become
focus
paper.
This
study
divided
problem
into
two
levels:
one
is
model
single
truck
which
takes
lowest
total
cost
as
target,
without
considering
distribution
overall
transportation
task;
other
concerning
allocation
no-load
trucks,
aiming
at
task.
We
designed
an
improved
Particle
Swarm
Optimization
(PSO)
algorithm
to
solve
two-level
model,
influence
emission
policy
on
number
distance
level
II
in
are
analyzed.
The
results
show
that
increase
carbon
tax
will
lead
decrease
emissions
I,
but
no
effect
II.
reduction
Journal of Marine Science and Engineering,
Год журнала:
2024,
Номер
12(6), С. 960 - 960
Опубликована: Июнь 7, 2024
Ship
pollution
emissions
have
attracted
increasing
attention
in
the
maritime
field
due
to
massive
growth
of
traffic
activities.
It
is
important
identify
ship
(SEs)
magnitude
and
corresponding
spatial
temporal
distributions
for
purposes
developing
appropriate
strategies
mitigate
environment
pollution.
The
aim
this
study
was
estimate
with
various
typical
merchant
types
under
different
sailing
conditions.
We
estimated
emission
variation
a
assessment
model
(STEAM2),
then
distribution
further
visualized
using
ArcGIS.
collected
data
from
automatic
identification
system
(AIS)
ships
New
York
Harbor
analyzed
spatiotemporal
pollutant
ships.
experimental
results
demonstrate
that
volume
area
2022
3340
t,
while
terms
CO,
SO2,
CXHX,
PM10,
NOX,
PM2.5
136,
1421,
66,
185,
1384,
148
respectively.
overall
SEs
container
ships,
passenger
tankers
account
large
amount
discharge.
are
significantly
greater
than
their
counterparts.
Moreover,
discharge
can
vary
among
Frontiers in Environmental Science,
Год журнала:
2024,
Номер
12
Опубликована: Июнь 14, 2024
The
“Dual
Carbon”
policy
is
a
strategic
instrument
for
the
realization
of
Carbon”target.
quantitative
analysis
can
provide
theoretical
support
and
decision-making
reference
institutional
design
adjustment
policy,
so
as
to
further
improve
1
+
N
system.
By
constructing
three-dimensional
framework
“instrument-goal-object”,
adopting
content
method,
combining
coding
results
text
conduct
multidimensional
cross-analysis,
we
found
that
overall
reasonable,
but
at
same
time,
there
are
problems
such
unbalanced
distribution
instruments,
incomplete
coverage
goals,
insufficient
synergy
objects,
low
degree
matching
between
dimensions.
In
response
these
problems,
targeted
mitigation
measures
proposed.
Research Square (Research Square),
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 23, 2025
Abstract
Cross-border
mergers
and
acquisitions
(M&A)
is
one
of
the
main
ways
for
multinational
enterprises
to
access
international
capital,
explore
markets,
participate
in
global
operations.
Based
on
defining
connotation
port
shipping
service
(PSSEs),
this
paper
takes
cross-border
M&As
PSSEs
China
as
a
research
case,
uses
spatial
analysis
technology
conditional
Logit
model
study
distribution
characteristics
driving
factors
202
from
1993
2021.
Research
results
are
follows:
(1)
generally
divided
into
four
stages:
proximity
layout
before
2000,
localized
agglomeration
2001–2008,
diffusion
2009–2016,
steady
expansion
2017
present.
(2)
The
shows
northeast-southwest
direction,
its
center
gravity
clear
trend
moving
westward.
(3)
Overall,
exhibits
an
trend.
From
2001
2008,
there
was
no
significant
correlation.
2009
2016,
negative
correlation
observed,
while
positive
appeared
after
2017.
These
patterns
align
with
timeline
major
national
strategies.
(4)
Among
affecting
location
choice
M&As,
market
size
host
country,
economic
freedom,
scale,
liner
transportation
connectivity
institutional
distance
present
impact,
road
network
density,
informatization
level
proportion
high-tech
product
exports
impact
geographical
not
significant.
Sustainability,
Год журнала:
2024,
Номер
16(12), С. 5131 - 5131
Опубликована: Июнь 16, 2024
A
hazard
zoning
map
is
the
most
essential
tool
during
crisis
management
cycle’s
prevention
and
risk
reduction
phase.
In
this
study,
a
geographic
information
system
(GIS)
applied
to
of
ports
through
preparation
in
Jazan
Port,
Saudi
Arabia,
using
novel
integrated
model
fuzzy
hierarchical
analysis
process
emotional
artificial
neural
network
(FAHP-EANN).
The
objective
more
accurately
identify
highly
potential
zones
port
hybrid
techniques,
which
mitigates
associated
life
financial
damages
proper
probable
hazard.
Prior
creating
map,
every
accident
identified,
categorized
into
six
criteria,
assigned
weight
utilization
machine
learning
algorithm.
findings
indicate
that
three
effective
criteria
for
risks
Port
are
land
fires,
pollution
dangerous
substances,
human
behavior,
respectively.
all
was
generated
by
weights
obtained
each
major
accidents.
This
may
be
utilized
development
measures
formation
units.
Frontiers in Environmental Science,
Год журнала:
2024,
Номер
12
Опубликована: Июнь 3, 2024
Reducing
carbon
dioxide
emissions
and
achieving
neutrality
have
become
hot
topics
of
global
concern.
China
has
elevated
its
response
to
climate
change
a
national
strategic
level,
where
the
green
tax
system
plays
crucial
role
in
implementing
dual-carbon
strategy.
This
paper
systematically
analyzes
systems
Organisation
for
Economic
Co-operation
Development
(OECD)—encompassing
environmental
pollution
taxes,
energy
vehicle
transportation
resource
taxes.
Based
on
this
analysis,
it
proposes
that
should
establish
multifaceted
including
protection
tax,
farmland
occupation
tax.
Furthermore,
suggests
an
integrated
approach
combining
systematic
incentives
such
as
corporate
income
value-added
consumption
purchase
comprehensive
taxation
framework,
covering
development,
production,
consumption,
emission
stages,
aims
drive
high-quality
economic
social
development
through
both
restrictions,
“dual-driving”
mechanism.
study
provides
basic
framework
practical
path
building
China,
especially
studying
sources
different
taxes
their
interrelationships,
which
enriches
theoretical
values
related
taxation.
Maritime Policy & Management,
Год журнала:
2024,
Номер
unknown, С. 1 - 17
Опубликована: Июль 6, 2024
Arctic
ice
is
melting
away
as
a
result
of
global
warming,
making
possible
the
further
commercial
exploitations
shipping
routes,
both
to
satisfy
demand
and
avoid
growing
Somali
piracy.
In
this
research,
hierarchical
regression
utilized
examine
impact
natural
economic
factors
on
Northeast
Route
(NER)
through
sample
data
cargo
volume
from
2011
2021.
From
results,
related
sea
have
negative
navigability
NER,
whereas
periods
positive
impact.
Additionally,
all
variables
are
standardized
compare
their
respective
significances
volume.
Furthermore,
Russian
energy
exports
greater
capacity
than
other
variables,
followed
by
number
ship
transits.
Finally,
interrupted
time-series
analysis
introduced
find
that
project
Yamal
liquefied
gas
(LNG)
has
effect
which
could
not
offset
side
COVID-19
epidemic.
Frontiers in Marine Science,
Год журнала:
2024,
Номер
11
Опубликована: Июль 16, 2024
The
ocean
is
the
largest
carbon
sink
on
Earth
and
an
important
pathway
to
China
achieving
neutrality.
From
a
consumption
perspective,
studying
capacity
of
marine
in
each
China’s
provinces
its
inter-regional
transfer
great
significance
harnessing
increase
driven
by
final
demand.
This
article
first
calculates
production-side
coastal
provinces.
Then,
based
2007,
2012,
2015,
2017
Chinese
input-output
tables,
province’s
consumption-side
calculated.
further
examines
influencing
factors
key
paths
for
growth
through
Structural
Decomposition
Analysis
(SDA)
Path
(SPA)
methods.
results
show
that
total
continues
rise,
with
significant
regional
disparities,
demonstrating
trend
higher
than
inland
Among
nine
provinces,
Hainan
Guangdong
are
net
input
state
regarding
transfer,
while
other
seven
output
state.
SDA
indicate
intensity
effect
demand
inhibiting
promoting
growth,
respectively,
influence
technical
weak
variable.
SPA
analysis
reveals
outputs
primarily
transferred
food
tobacco
sector,
agricultural
forestry
products
services
wood
processing
furniture
industry.
mostly
occur
within
province,
relatively
small
proportion
interprovincial
paths.
Based
research
findings,
this
suggests
steadily
increasing
product
consumption,
actively
expanding
value
chain
shellfish
seaweed
industries,
continuously
strengthening
coordination
between
land
domestic
circulation
sinks.