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    Empty cnxn testing

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As an example of signal complexity, we can express the pulse p Δ t as a sum of delayed unit steps.

p Δ t u t u t Δ

Thus, the pulse is a more complex signal than the step. Be that as it may, the pulse is very useful to us.

Cnxml can be a pain

This sentence, although it is very unimportant and irrelevant , contains emphasis within the <example> tag. For an example of <cite> within <example> , see Things That Are a Pain to Style in CNXML by Max Starkenburg. For an example of <emphasis> within <cite> within <example> , please see Things That Are a Pain in the Butt to Style in CNXML , also by Max Starkenburg. This sentence contains emphasized codeline within an example. This sentence contains a cnxn within an example. This sentence contains a link . This sentence contains a term . This sentence contains a codeline term .

This paragraph has just been thrown in to ensure that it is styled correctly. It has nothing to say, but is longanwyay, just to make sure that it continues to the next line.

<html><head><title>Codeblock within the example tag</title></head><body bgcolor="#ffffff" link="#990000">

    Example list in example

  • This is an enumerated list item.
  • This is another item with a list inside of it.
    • This is a bulleted list item
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This figure is inside of the <example> tag.
Table of Fourier Representations
Transform Time Domain Frequency Domain Convolution
Continuous-Time Fourier Series L 2 0 T l 2 Continuous-Time Circular
Continuous-Time Fourier Transform L 2 L 2 Continuous-Time Linear
Discrete-Time Fourier Transform l 2 L 2 0 2 Discrete-Time Linear
Discrete Fourier Transform l 2 0 N 1 l 2 0 N 1 Discrete-Time Circular

A short letter.

Pythagorean theorem

On a right triangle, the sum of the squares of the sides equals the square of the hypotenus.

Proof name

Your favorite proof goes here.

Take a right triangle whose sides are of length 3, 4, and 5. In this case the sum of the square of the two shorter sides is9+16=25. The square of the hypotenus is 25. So the theorem holds.

Sulfuric and Hydrochloric Acid are very dangerous . Please hande with caution.
Sulfuric and Hydrochloric Acid are very dangerous . Please hande with caution.


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Express a square wave having period T and amplitude A as a superposition of delayed and amplitude-scaled pulses.

This is an extra paragraph thrown in for styling purposes.

This is a paragraph that begins a solution. The equation is nested in the paragraph.

t n 1 n A p T / 2 t n T 2

This is an extra paragraph thrown in for styling purposes.

Questions & Answers

Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
Stoney Reply
why we need to study biomolecules, molecular biology in nanotechnology?
Adin Reply
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
what school?
biomolecules are e building blocks of every organics and inorganic materials.
anyone know any internet site where one can find nanotechnology papers?
Damian Reply
sciencedirect big data base
Introduction about quantum dots in nanotechnology
Praveena Reply
what does nano mean?
Anassong Reply
nano basically means 10^(-9). nanometer is a unit to measure length.
do you think it's worthwhile in the long term to study the effects and possibilities of nanotechnology on viral treatment?
Damian Reply
absolutely yes
how to know photocatalytic properties of tio2 nanoparticles...what to do now
Akash Reply
it is a goid question and i want to know the answer as well
characteristics of micro business
for teaching engĺish at school how nano technology help us
Do somebody tell me a best nano engineering book for beginners?
s. Reply
there is no specific books for beginners but there is book called principle of nanotechnology
what is fullerene does it is used to make bukky balls
Devang Reply
are you nano engineer ?
fullerene is a bucky ball aka Carbon 60 molecule. It was name by the architect Fuller. He design the geodesic dome. it resembles a soccer ball.
what is the actual application of fullerenes nowadays?
That is a great question Damian. best way to answer that question is to Google it. there are hundreds of applications for buck minister fullerenes, from medical to aerospace. you can also find plenty of research papers that will give you great detail on the potential applications of fullerenes.
what is the Synthesis, properties,and applications of carbon nano chemistry
Abhijith Reply
Mostly, they use nano carbon for electronics and for materials to be strengthened.
is Bucky paper clear?
carbon nanotubes has various application in fuel cells membrane, current research on cancer drug,and in electronics MEMS and NEMS etc
so some one know about replacing silicon atom with phosphorous in semiconductors device?
s. Reply
Yeah, it is a pain to say the least. You basically have to heat the substarte up to around 1000 degrees celcius then pass phosphene gas over top of it, which is explosive and toxic by the way, under very low pressure.
Do you know which machine is used to that process?
how to fabricate graphene ink ?
for screen printed electrodes ?
What is lattice structure?
s. Reply
of graphene you mean?
or in general
in general
Graphene has a hexagonal structure
On having this app for quite a bit time, Haven't realised there's a chat room in it.
what is biological synthesis of nanoparticles
Sanket Reply
Got questions? Join the online conversation and get instant answers!
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Practice Key Terms 1

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Source:  OpenStax, Pdf generation problem modules. OpenStax CNX. Sep 23, 2008 Download for free at http://cnx.org/content/col10514/1.4
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