Applied Sciences,
Journal Year:
2022,
Volume and Issue:
13(1), P. 66 - 66
Published: Dec. 21, 2022
Cities
have
been
growing
at
an
impressive
rate,
and
with
the
advancement
of
technology
digitization,
new
ways
proposed
to
provide
cities
a
certain
level
autonomy
intelligence
so
that
they
can
self-regulate
tasks
currently
take
lot
time
for
both
citizens
authorities,
which
also
negative
impact
on
environment.
We
recently
experienced
one
most
abrupt
changes
in
history
as
result
COVID-19
pandemic,
where
millions
people,
businesses,
schools,
companies,
governments,
etc.,
had
modify
their
working,
addition
dealing
many
other
present
moment,
important
is
transition
electronic
transactions.
This
chance
progress
toward
smart
city
transformation
implementation
models
assist
ordinary
activities.
One
common
activities
purchase
real
estate.
In
this
study,
we
propose
model
make
sale
estate
more
equitable
fairer,
not
just
based
amount
money.
A
home
should
be
able
identify
who
its
current
owner
by
functioning
IoT
badge,
and,
after
subject’s
identity
has
verified,
it
granted
full
access
all
services,
or
else
blocked
and/or
alerted
authorities.
The
use
contracts
blockchain
transfer
ownership
includes,
inputs,
those
interested
acquiring
specific
house
outputs,
person
chose
system
requirements
previously
established
government
Smart
City.
As
result,
susceptibility
fraud
interference
third
reduced,
individual’s
security
living
home,
therefore,
city,
strengthened.
Environmental Chemistry Letters,
Journal Year:
2023,
Volume and Issue:
21(2), P. 765 - 801
Published: Jan. 7, 2023
Abstract
The
global
amount
of
solid
waste
has
dramatically
increased
as
a
result
rapid
population
growth,
accelerated
urbanization,
agricultural
demand,
and
industrial
development.
world's
is
expected
to
reach
8.5
billion
by
2030,
while
production
will
2.59
tons.
This
deteriorate
the
already
strained
environment
climate
situation.
Consequently,
there
an
urgent
need
for
methods
recycle
waste.
Here,
we
review
recent
technologies
treat
waste,
assess
economic
feasibility
transforming
into
energy.
We
focus
on
municipal,
agricultural,
found
that
methane
captured
from
landfilled-municipal
in
Delhi
could
supply
8–18
million
houses
with
electricity
generate
7140
gigawatt-hour,
prospected
potential
31,346
77,748
gigawatt-hour
2030
2060,
respectively.
Valorization
food
anaerobic
digestion
systems
replace
61.46%
natural
gas
38.54%
coal
use
United
Kingdom,
reduce
land
1.8
hectares
if
provided
animal
feeds.
also
estimated
levelized
cost
landfill
waste-to-energy
$0.04/kilowatt-hour
$0.07/kilowatt-hour,
payback
time
0.73–1.86
years
1.17–2.37
years,
Nonetheless,
current
treatment
are
still
inefficient,
particular
treating
containing
over
60%
water.
Mathematical Problems in Engineering,
Journal Year:
2021,
Volume and Issue:
2021, P. 1 - 12
Published: May 29, 2021
A
novel
compact
size
ultrawide
band
planar
antenna
with
notched
characteristics
is
present.
The
rejection
characteristic
achieved
by
loading
a
pair
of
metamaterial
inspired
rectangular
split
ring
resonator
(SRR)
near
the
feed
line
and
etching
SRR
slots
on
radiating
patch.
simulated
measured
results
reveal
that
proposed
exhibits
impedance
bandwidth
over
(UWB)
frequency
range
from
3.1
to
14
GHz
voltage
standing
wave
ratio
less
than
2
except
for
stop
bands
at
3.29
3.7
(WiMAX
band),
4.10
(C-band),
5.1
5.9
(WLAN
7.06
7.76
(downlink
X-band
satellite
communication),
respectively.
fabricated
low-cost
FR-4
substrate
has
24
×
20
1.6
mm3.
simulation
are
compared
demonstrate
good
agreement
stable
gain
pass
bands.
also
dipole-like
radiation
pattern
in
E-plane
omni-directional
H-plane.
These
led
conclusion
presented
suitable
candidate
UWB
applications
desired
notch
characteristics.
