Applied Mathematics and Nonlinear Sciences,
Год журнала:
2024,
Номер
9(1)
Опубликована: Янв. 1, 2024
Abstract
Studying
the
influencing
factors
of
college
students’
innovation
and
entrepreneurship
ability
is
crucial
to
optimizing
students
in
context
high-quality
development.
Based
on
this,
this
paper
constructs
an
SEM
structural
equation
model
improves
convergence
PLS
algorithm
using
least
squares
solution
optimal
iteration
initial
value
for
model.
Then,
correlation
analysis
done
between
six
factors,
such
as
national
policy,
birthplace,
entrepreneurial
activities,
ability,
finally,
hypothesis
influence
verified
by
test.
The
main
results
are
follows:
constructed
a
with
five
levels
18
ranked
their
importance.
model’s
fit
coefficient
0.927>0.9
sign
high
degree
regression
coefficients
dimensions
calculated
according
0.781,
0.939,
0.243,
0.935,
0.839.
All
have
significant
positive
impact
entrepreneurship.
This
finds
that
there
place
origin,
education,
internship
experience,
optimization
path
ability.
Ecological Informatics,
Год журнала:
2024,
Номер
82, С. 102749 - 102749
Опубликована: Июль 30, 2024
The
standardization
of
river
system
structures
has
reduced
hydrological
connectivity,
exerting
significant
pressure
on
both
ecology
and
urban
development.
precise
diagnosis
proposal
optimization
strategies
remain
key
challenges.
This
study
utilizes
graph
theory
to
delineate
the
network
topology
in
Chengdu
city
establishes
an
evaluation
index
(α,
β,
γ)
for
connectivity.
Spatiotemporal
changes
Chengdu's
connectivity
from
2000
2020
are
analyzed,
alongside
a
validated
scheme
focusing
"pressure
dispersion"
among
nodes.
findings
reveal
simplification
structure
over
past
two
decades,
marked
by
reduction
72
nodes
81
segments.
Particularly
center
(region
II),
these
have
significantly
diminished
overall
Following
implementation
method,
distribution
critical
Region
II
been
more
equitably,
enhancing
resilience
against
disasters
like
floods
diversifying
burden
Furthermore,
indices
showed
improvements
post-optimization,
with
α,
γ
rising
75%,
7.26%,
respectively,
thereby
validating
efficacy
approach.
Analyzing
variations
parameters
across
systems
identifies
vulnerable
links
fundamental
issues,
laying
groundwork
future
improvements.
proposed
methodology
offers
insights
applicable
cities
worldwide
grappling
similar
Water,
Год журнала:
2025,
Номер
17(8), С. 1165 - 1165
Опубликована: Апрель 14, 2025
The
parameters
of
Low-Impact
Development
(LID)
facilities
significantly
influence
their
operational
performance
and
runoff
control
effectiveness
at
the
site.
Despite
extensive
research
on
LID
effectiveness,
limited
studies
have
focused
optimizing
design
a
community-wide
scale,
integrating
both
hydrological
statistical
methodologies.
A
novel
approach
to
was
presented
in
this
study.
This
study
established
community-scale
SWMM
model,
identified
key
by
Morris
screening
method,
determined
reasonable
parameter
ranges
based
effects.
Response
Surface
Methodology
(RSM)
applied
optimize
under
different
return
periods
impervious
area
ratios.
results
showed
that
for
volume
were
berm
height
surface
layer
sunken
greenbelt
(SG_Surface_H),
conductivity
soil
(SG_Soil_I),
permeability
pavement
permeable
(PP_Pavement_I),
thickness
storage
(PP_Storage_T).
50–265
mm,
5–80
mm/h,
50–140
100–165
respectively.
peak
flow
reduction
SG_Surface_H,
SG_Soil_I,
PP_Pavement_I,
vegetated
swale
(VS_Surface_H).
50–260
5–50
50–195
50–145
optimization
rate,
strategy
involved
increasing
SG_Surface_H
as
period
increased
when
ratio
large,
especially
rehabilitation
old
communities.
Meanwhile,
optimal
value
SG_Soil_I
greater
than
reduction.
In
contrast,
PP_Pavement_I
larger
provides
significant
reference
planning
emphasizing
parameters.
Water,
Год журнала:
2024,
Номер
16(14), С. 2018 - 2018
Опубликована: Июль 16, 2024
The
increase
in
rainfall
intensity
caused
by
climate
change,
combined
with
high
levels
of
urban
soil
sealing
and
the
limited
capacity
drainage
systems,
is
significantly
increasing
flooding
risk.
Integrated
stormwater
management
a
key
factor
dealing
consequences
change
mitigating
flood
risk
based
on
nature-based
solutions.
An
experimental
site
was
designed
to
assess
hydrological
response
vegetated
swales
depending
different
catchment
surfaces,
evaluate
impact
spatial
variability
hydraulic
conductivity
(K).
A
model
developed
EPA
SWMM
calibrated
measured
data
two
active
surfaces
(N6—50
m2
N11—100
m2).
validation
assessed
NSE
scores
higher
than
0.7.
simulations
considered
various
factors,
such
as
water
level
swales,
actual
rainfall,
evapotranspiration,
swale
geometry,
area
(Sa),
conductivities
natural
silty
soil,
assess,
for
heaviest
event,
best
morphological
characteristics.
study
examined
K
(8)
Sa
(6)
storage
capacity,
250
mm
depth.
showed
that
overflow
limit
exceeded
N10
(90
m2)
when
≤
2
×
10−6
m/s,
N11
(100
4
m/s.
These
results
provide
valuable
information
optimal
swales’
geometrical
physical
properties.
Applied Mathematics and Nonlinear Sciences,
Год журнала:
2024,
Номер
9(1)
Опубликована: Янв. 1, 2024
Abstract
This
paper,
drawing
from
the
definitions
of
globalization,
tourism
cultural
exchange,
and
value
dissemination,
formulates
a
set
15
observational
variables.
Using
mathematical
statistical
methods,
author
constructs
structural
equation
model
that
includes
concept
globalization
as
exogenous
latent
variable
exchange
dissemination
endogenous
After
estimating
using
partial
least
squares
method,
combines
relevant
data
to
conduct
an
empirical
analysis
model.
The
reveals
modified
fitting
parameters,
based
on
squares,
have
values
GFI
=
0.933,
CFI
0.931,
TLI
0.927,
RMSEA
0.046,
PGFI
0.667,
PNFI
0.758,
indicating
relatively
satisfactory
fit
for
There
is
strong
positive
relationship
between
three
paths:
idea
→
(0.428,
0.005),
(0.579,
0.048),
expression
(0.587,
0.019).
mediating
effect
responsible
28.35%
relationship,
while
direct
71.65%.
means
plays
significant
role
in
partially
ideas
dissemination.
Water,
Год журнала:
2024,
Номер
16(18), С. 2597 - 2597
Опубликована: Сен. 13, 2024
The
hydrologic
performance
and
cost-effectiveness
of
green
stormwater
infrastructure
(GSI)
in
climates
with
highly
variable
precipitation
is
an
important
subject
urban
management.
We
measured
the
effects
two
bioretention
basins
San
Antonio,
Texas,
a
growing
city
region
prone
to
flash
flooding.
Pre-construction,
inflow,
outflow
hydrographs
were
compared
test
whether
reduced
peak
flow
magnitude
altered
metrics
flashiness,
including
rate
rise
fall.
determined
construction
annual
maintenance
cost
one
basin
antecedent
moisture
conditions
mitigation
effectiveness.
flashiness
when
comparing
inflow
pre-construction
hydrographs,
reducing
magnitudes
by
>80%
on
average.
Basin
was
not
strongly
affected
or
conditions,
though
range
sampled
limited.
Construction
costs
higher
than
previously
reported
projects,
but
similar
no
maintain
equivalent
landscaped
area.
Results
indicate
that
effectively
mitigate
even
flash-flood-prone
environments,
which
should
benefit
downstream
ecosystems.
results
provide
unique
assessment
environments
can
inform
optimization
implementing
GSI
at
watershed
scales
regions
current
future
regimes.
Applied Mathematics and Nonlinear Sciences,
Год журнала:
2024,
Номер
9(1)
Опубликована: Янв. 1, 2024
Abstract
The
creators
of
fine
art
painting
are
often
affected
by
the
conceptualization
and
imagination
factors,
expression
techniques
methods,
as
well
influence
theme
subject
selection,
etc.,
they
unable
to
commit
themselves
artistic
power
infectious
works.
This
paper
constructs
PLS-SEM
BN
combined
structural
equation
model
in
context
visual
culture,
analyzes
latent
variables
path
relationship
with
for
empirical
testing,
predicts
diagnoses
causal
between
Bayesian
network.
Finally,
a
questionnaire
survey
was
conducted
among
major
creation
groups
Guangzhou,
China,
factors
were
extracted
using
principal
component
analysis.
constructed
is
collected
data
β
coefficients
paths
all
greater
than
0.42
significant
at
least
0.05
level,
creative
motivation,
environment,
personal
industry
skill
positively
outcome.
When
level
achievement
drawing
“high”,
probability
that
environment
high
higher,
probabilities
0.742
0.701.
motivation
“high”
level.
individual’s
more
likely
be
“high,”
0.726.
study
allows
timeliness
dynamics
harmonized
linked
painter
provides
certain
references
improvement
skills
creator
painting.
Applied Mathematics and Nonlinear Sciences,
Год журнала:
2024,
Номер
9(1)
Опубликована: Янв. 1, 2024
Abstract
In
modern
society,
innovation
and
entrepreneurship
education
have
gradually
transcended
the
traditional
paradigm,
intertwined
with
concept
of
commonwealth,
constructed
a
new
picture
vitality
social
sentiment.
terms
research
ideas,
this
paper
extracts
value-shaping
elements,
service
learning
creation
faculty
curriculum
organizational
leadership
interest
group
practical
elements
as
entrepreneurial
competence
cultivation
college
students
according
to
their
growth
pattern,
environment
they
have,
resources
possess.
We
obtained
four
crucial
factors
for
individual,
group,
school,
levels
through
micro-level
analysis.
model
cultivating
in
support
seven
hierarchical
factors.
end,
was
analyzed
using
PLS-SEM
model.
It
has
been
verified
that
11
out
13
hypotheses
proposed
were
supported
testing.
paths
passed
significance
test
found
after
further
The
most
significant
path
is
SF->IE->PO
under
policy
anchoring
force,
effect
sizes
t-statistics
0.325
7.494,
respectively.
way,
we
refined
methodology
co-enrichment
skills
among
university
students.
