Environmental Progress & Sustainable Energy,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 2, 2024
Abstract
Residential
carbon
emissions
have
emerged
as
a
primary
driver
of
future
in
China.
Investigating
the
influential
factors
affecting
demand‐side
and
elucidating
pathways
for
regional
reduction
consumption
can
provide
scientific
basis
peak
carbon‐neutral
action
plans.
This
study
incorporated
development
digital
technology
into
STIRPAT
model.
The
technical
components
model
were
expanded
upon
to
better
understand
influencing
household
sector
emission
effects
these
various
factors.
results
indicated
that:
(i)
per
capita
residential
China
exhibit
slow
fluctuating
rise
followed
by
accelerated
growth,
with
sequence
being
highest
eastern
region,
northeastern
western
finally
central
region;
(ii)
population
size,
shared
prosperity,
urbanization
development,
digitalization
collectively
influence
different
regions,
size
structure
playing
most
significant
promoting
inhibiting
roles,
respectively;
(iii)
societal
scenarios
low‐carbon
demonstrate
advantage
achieving
timely
realization
China's
overall
plan.
In
provinces,
are
projected
occur
around
2035
under
scenarios,
necessitating
substantial
efforts
provinces
meet
2030
target.
Materials,
Год журнала:
2025,
Номер
18(7), С. 1450 - 1450
Опубликована: Март 25, 2025
This
study
investigated
the
sulfate
resistance
of
modified
recycled
aggregate
concrete
(RAC)
by
applying
carbonation
and
nano-silica
soaking
methodologies.
Recycled
aggregates
(RCA)
derived
from
concretes
C30
C60
strength
grades
were
subjected
to
these
modification
techniques
subsequently
utilized
in
fabrication
RAC
specimens.
The
results
show
notable
porosity
crack
density
within
interfacial
transition
zone
(ITZ)
interfacing
cement
paste
(RAC).
Specifically,
ITZ
is
observed
be
up
30%
higher
than
that
virgin
concrete.
These
pathways
facilitate
penetration
ions,
inducing
deterioration
resulting
a
compression
reduction
40%.
While
treatment
exhibits
moderate
enhancement
resistance,
decreasing
depth
15%,
incorporation
2%
weight
proves
significantly
more
effective.
addition
reduces
over
lowers
concentration
25%.
Furthermore,
compressive
with
increases
15%
following
28
days
exposure.
Additionally,
ion
mass
equilibrium
nano-silica-modified
RAC,
accompanied
markedly
lower
pore
solution.
After
56
attack,
retains
85%
its
initial
value,
whereas
unmodified
decreases
70%.
Notably,
quality
impacts
high-strength
RCA
(exceeding
40
MPa)
demonstrating
superior
compared
low-strength
(below
20
MPa).
Consequently,
produced
experiences
only
20%
loss
under
containing
suffers
40%
loss.
novelty
this
effective
use
enhance
originated
both
normal
reference
PLoS ONE,
Год журнала:
2025,
Номер
20(5), С. e0324036 - e0324036
Опубликована: Май 28, 2025
Existing
research
predominantly
delves
into
the
environmental
governance
performance
of
digital
economy,
ignoring
latent
values
data
factors.
Public
Data
Open
Platforms
(PDOPs)
have
released
vast
amounts
public
data,
fostering
high-level
applications
across
multiple
industries
and
domains.
By
employing
panel
from
281
cities
in
China
spanning
2006–2021,
we
empirically
verify
impact
PDOPs
on
city-level
carbon
reduction,
supported
by
various
robustness
tests,
including
PSM-DID
placebo
tests.
Moreover,
emphasize
that
promoting
green
technology
innovation
optimizing
resource
allocation
efficiency
are
pivotal
pathways
through
which
can
enhance
their
reduction
effects.
Heterogeneity
analysis
reveals
with
more
advanced
infrastructure
higher
market
integration
experience
a
pronounced
PDOPs.
Additionally,
resource-abundant
benefit
PDOPs’
effects
than
resource-scarce
ones.
Sustainability,
Год журнала:
2024,
Номер
16(22), С. 10016 - 10016
Опубликована: Ноя. 16, 2024
In
China,
whilst
various
policies
have
been
implemented
to
mitigate
carbon
emissions
in
different
periods,
a
lack
of
appropriate
research
and
narrow
perspective
manifested
as
the
principal
problems
past
studies.
this
study,
China’s
emission
were
analyzed
using
dual-dimensional
content
analysis,
key
characteristics
are
identified,
solutions
proposed
address
existing
challenges.
Content
analysis
was
used
for
estimating
policy
objectives;
result,
findings
study
indicate
that
regulations
can
be
divided
into
three
distinct
phases:
budding
stage
(2007–2013),
initial
development
period
(2014–2018),
rapid
(2019–present).
During
regulatory
evolution,
significant
concentration
authority
observed
within
specific
sectors,
particularly
National
Energy
Administration
Development
Reform
Commission;
meanwhile,
level
cross-sectoral
collaboration
has
remained
insufficient.
The
primary
instruments
consist
notifications
advisory
opinions,
with
noticeable
enforceable,
high-level
legislation,
highlighting
need
greater
attention.
Furthermore,
approach
reduction
predominantly
relies
on
mandatory
command-and-control
tools,
objectives
focusing
quantitative
control
management,
sectoral
regulations,
adjustments
energy
structure.
