Breaking News Today⚠️World War 3 North Korea agrees with South to STOP nuclear mission_latest news
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Breaking News Today⚠️World War 3 China 'AT RISK' of radioactive exposure after North Korea_latest - Duration: 3:03.breaking news today
welcome to USA breaking news today please subscribe and click notification
box to get all breaking news alert breaking news today China at risk of
radioactive exposure after North Korean nuclear test site collapses China and
nearby nations are at unprecedented risk of radioactive exposure after a North
Korean nuclear test site at Mount Manta partially collapsed two separate groups
of Chinese scientists have confirmed the mountain test site collapsed following a
fifth test blast last year leading to the creation of a massive chimney which
could allow radioactive fallout to rise into the air from the blast zone beneath
the mountain the previous five North Korean nuclear tests were carried out at
the punggye-ri nuclear test site under mount manta in the northwest of the
country following a nuclear test in September 2017 a 6.3 magnitude
earthquake was recorded at the mountain according to the u.s. geological surveys
findings a scientific team led by when Lian seen a geologist at the University
of Science and Technology in hefei said the most recent test last autumn tore a
hole in the mountain which then collapsed upon itself dot mr. wen
commented on the danger saying it is necessary to continue monitoring
possible leaks of radioactive materials caused by the collapse incident Xiao
Lian Fang a scientist at the Chinese Academy of Sciences in Beijing also
concluded the site was wrecked beyond repair he commented on the results of
the research saying different teams using different data have come up with
similar conclusions the only difference was in some technical details
this is the best guess that can be made by the world outside the mountain does
not currently appear to be leaking radioactive material but the risk
remains high kuokuochu a Peking University professor said so
far we have not detected an abnormal increase of radioactivity levels but we
will continue to monitor the surrounding region with a large amount of highly
sensitive equipment and analyze the data in state-of-the-art laboratories Chinese
scientists have also called on the North Korean government to allow them access
to the mountain to evaluate the damage and secure the site schalke dong a
government nuclear waste confinement specialist at the University of South
China said we can put a thick layer of soil on top of the collapsed site fill
the cracks with special cement or remove the pollutants with chemical solution
there are many methods to deal with the problem all they need to do is ask
North Korean leader Kim jong-un however announced on Friday that he would freeze
North Korea's nuclear and long-range missile tests and would shut down the
nuclear test site thanks for watch please share like comment this video and
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Breaking News Today⚠️World War 3 Australia will be KEY Cold War nation with US nukes in Sydney - Duration: 3:02.breakng news today
welcome to USA breaking news today please subscribe and click notification
box to get all breaking news alert breaking news today Australia will be
key Cold War nation with US nukes in Sydney Harbor the United States should
place nuclear capable warships off the coast of Western Australia to combat the
growing military presence of China in the Pacific Ocean a new report has
warned a study titled countering China's military zation of the Indo Pacific
report by Washington Center for Strategic and International Studies
CSIS urges the likes of the US and Australia to spotlight and push back the
East Asian nations strengthening position in the Pacific Ocean the report
says that the US Australia and allies must stand up to China if they want to
remain free and open the study reads China's military penetration into the
South Pacific would challenge one of the oldest and most fundamental tenets of
Australian strategic doctrine the exclusion of outside military powers
from its Island approaches the report was published following a standoff
between China's warning towards Australian warships which were sailing
through the South China Sea to Vietnam earlier this month dotted also follows
claims made by Fairfax media which said that China was hoping to establish a
military base in vanilla - an island nation relatively close to Australia
however both vanilla - and China denied these claims with the island nations
foreign minister Ralph's region venusian ooha - is not interested in
militarization there has been growing tension between Australia and China in
recent years with China's state media labeling Australia as an anti China
pioneer in the last two years repugnant while saying the antipodean
nations behavior is baffling the Chinese ambassador to Australia
Chang Jing Yi told the Australian if there is a growing lack of mutual trust
in the long run it may have some undesirable impact on trade relations
with China dot unfortunately over a certain period especially starting from
the latter half of last year we have seen a kind of systematic irresponsible
negative remarks and comments regarding China which has caused adverse impact on
bilateral relations it is detrimental to the image of Australia in the eyes of
the Chinese public it is something that neither side would like to see
to counter any possible threat from China the report calls on Australia to
establish a rotational presence of US surface combatant vessels at HMAS
Stirling in Western Australia the CSIs also calls on Australia the United
States Japan and India to build a greater presence in the Indian Ocean and
establish a joint task force for low intensity operations thanks for watch
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Uten Dash Cam Review 1296P+30FPS Lane Monitoring - Duration: 8:03.today we have a sponsored video by hmm they would like us to give a test of
their dashcam and it's a should be a very painless and simple install this
dashcam fin features things like three inch display night vision it's it's
actually higher than HD recording it's actually 1290 6p it's got a parking
monitor and it's capable of rear-view video system so you could potentially
have two of these let's take a quick quick look inside the box
and then we're gonna stick it up and go for a little Drive and see what kind of
video quality we got very sturdy box and here we have the camera it's a little
larger than most the cameras that I've seen and nice screen on the back there
AV in it also has a plug port for GPS trans flash card slot and I got a brand
new card to shove in here to give a try a few different menu buttons on the
bottom microphone recording so let's peel some stickers off here
at one the one I think the lens one on for now at least until we get it
installed the fingerprints off I don't have any microfibers with teeth a little
more out of the box we got the owner's manual and what we have here should be
our power plugs if we got the 12 volt input and the V window mount alright
well let's give this a go and see what kind of picture this gives us
my car
please know that the distance between my car please know that the distance
between the front car please know that the distance between the front car
please know that the distance between the party hard please know that the
distance between my car
please my god
please don't let the distance which you make with my car please know that the
distance between my car
please now that means now epidemic so final thoughts and conclusions on this
dash cam well setup was pretty easy and straightforward one couple things I will
know getting the micro SD card inside the camera was a little tricky and it
was not situated properly I had to do it a couple times before the camera
recognized it once it was in and it was fine the amount is okay it's pretty easy
to put on letting gives the opportunity for it to
jiggle just a little bit so on a rougher bumpy road you may have a little bit of
image shape some neat things about this is it has clean warning it can detect
when you're too close to a vehicle in front of you and warn you and it also
can recognize lanes while that is a feature and it also has
played it on the camera as you can see I found it was the voice was a little
distracting and excessive because it just wouldn't stop lane adjustment
whatever over and over again or too close to a vehicle in front of you when
you're just parking it's a building in front of you and it would just keep
repeating itself over and over again that being said the picture was okay for
a camera in this price range whereas I discovered the fit bit rate was a little
low it's at 16 megabits per second for video and the audio was a little higher
than it really needed to be audio was at 256 kbps I would have rather have had
the audio at like 64 mono and it means instead of stereo because there's only a
single microphone and had that extra bit rate given to the camera of the the
video quality the fuel of view and the resolution were great but the picture
can get a little blocky in areas where there is a lot of detail
so a lot of trees around with leaves and pictures I've got started getting a
little blocky you could see for yourself overall this
is a excellent beginners dashcam
and this one I'm going to actually be giving this one to my mom for her car
because she not going to go into details on that
so that's it if you're interested in checking this out see the description
box below for the link to to purchase
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북한에선 평양냉면보다 더 인기 있는 음식, 두부밥 | 소울푸드 - Duration: 6:07. For more infomation >> 북한에선 평양냉면보다 더 인기 있는 음식, 두부밥 | 소울푸드 - Duration: 6:07.-------------------------------------------
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RIP Laplace transform of f^(n) - Duration: 5:42.Hi, and welcome to the RIP Channel. In this video we'll look at the Laplace transform
of the nth derivative of f, as done by Horowitz. Take a look at the
description if you want to see a link to Horowitz's paper. We're gonna use RIP,
or row integration by parts, which is the tabular method for integration by parts
with an emphasis on the rows. Each row represents an integral and we proceed
one row at a time. If you haven't yet seen an introduction to RIP, take a look
at the motivation and process video before you follow up with this one.
Under suitable conditions, the Laplace transform of the nth derivative of a
given function f is given by this integral transform where we introduce a
new parameter s in e^(-st) times that nth derivative of f,
and take the improper integral from 0 to infinity with respect to t. What it gives us is
a polynomial in the new variable s where the coefficients are given by the
derivatives of f evaluated at 0 paired with a remainder
that's the Laplace transform of the original function f times s to the n.
This formula follows immediately from RIP.
To find a formula for the antiderivative, RIP yields the following: start with plus sign indicating a positive 1,
differentiate e^(-st)... that will kick out the successive powers of s
that we see in the formula. Integrating the nth derivative of f will
eventually yield the original function f through enough iterations.
First iteration: We alternate plus/minus signs, differentiating e^(-st),
a negative s kicks out according to the chain rule where we're treating s as a constant,
differentiating with respect to t, and of course an integral
yields the n-minus-first derivative of f in the second row.
Next row down: Alternate plus/minus signs, another power of negative s
---in this case it's negative s squared here---times e^(-st),
another integral... proceeding accordingly, to track how we get the information in this row,
let's take a look at what happened in the integral column here... Well, if we
integrate the nth derivative of f n minus one times, we get to the
first derivative of f. And correspondingly taking n minus 1 iterations of plus/minus signs,
as well as derivatives of e^(-st), yields these terms.
So notice that we have negative 1 to the n minus 1 from the alternating plus/minus signs,
as well as negative 1 to the n minus 1 coming from the successive
powers of negative s coming out of the chain rule here... One more row down we
have one more power of negative one, one more power of negative s, and of course
just the original function f. When we take the product of everything in this bottom row
and integrate that product, it gives us the antiderivative for the
Laplace transform of the original function f times s to the n.
So before we take the integral from 0 to infinity, of course we need to gather the terms.
We do that as follows: the first term is obtained by 1 times e^(-st),
going down a row, multiplying by the corresponding n minus 1 derivative of f.
Next term: negative 1 times negative s, get those negatives to cancel,
going down a row we pick up s times e^(-st) times the n-minus-2 derivative of f.
...so on and so forth. And in the second-to-last row, we pair with the
very last term from the integral column to get s to the n minus 1 e^(-st)
times f(t) where the powers of negative 1 have canceled themselves out.
In the bottom row, once we take the product of all these terms and integrate it,
yields the last term from integration by parts. So, of course, all that's left to do
is to evaluate everything in these expressions here from zero to infinity.
So, assuming the terms vanish accordingly at infinity---what that means is basically
that we need the derivatives of f to be of exponential order---yields the
following... we take the antiderivative portion from RIP (in blue here),
evaluate from 0 to infinity and then tack on the integral that we had
from the last row of RIP. Notice that this will be the Laplace transform of f,
but that's getting ahead of things a little bit. Let's see... if we evaluate at infinity,
or in other words let t tend to infinity and investigate the limit, well...
by having the derivatives of f be of exponential order and for the right
types of variables s here, those terms actually kill off and the only things
that we're left with are the derivatives of f evaluated at 0, the exponentials where
t is evaluated at 0 become ones, and so here we go. We have a polynomial
in s with coefficients given by derivatives of f evaluated at 0, and as I
said before, s to the n times the Laplace transform of f is exactly represented by
this integral here times s to the n. And that's it.
So, please subscribe, check out the playlist, and learn to master integration by parts.
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