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The added module appears in the composer
The added module appears in the composer.

Let's now continue on to the next step of adding our two subcollections.

Add a new subcollection (section)

A subcollection is a grouping of related modules within a collection. Depending on the nature of your collection, you might think of a subcollection as a section , chapter , part , folder , division , etc. Each subcollection has a heading that identifies its contents to the viewers. You may place subcollections within other subcollections, as deeply nested as desired.

Instructions for adding a subcollection

In our example, our collection is structured by two "Parts" that follow the introductory module. To add these, we start by hovering the mouse over the collection's title. To the right, there is a link reading "Add subcollections":

Action links appear when hovering over collection title
Hover over the collection title to see the option to "Add subcollections" to the collection.

Click the "Add subcollections" link. A pop-up appears with a text box. Enter the titles of the subcollections you want in your collection, one per line . Click the "Add new subcollections" button:

Enter subcollection titles in the pop-up
A pop-up appears in which you can add the titles of your collection's subcollections.

Your subcollections will now appear in the composer below any other modules or subcollections you've already added at that level. From there, you can hover your mouse over each subcollection and find a list of actions to take at the subcollection level, such as adding modules, adding nested subcollections, or editing the subcollection's title.

Subcollections are added to the composer below previously added content
Your subcollections are now in the composer and modules can be added inside them.

Let's add some more modules to each of these subcollections so that your collection structure now looks like this:

Collection composer with contents filled out
Modules added to the subcollections.

Before things are done, we have some changes we want to make. Let's continue.

Rearrange contents

Since the collection composer adds modules and subcollections to the bottom of the collection or subcollection where you added them, you will sometimes need to rearrange the modules and subcollections to get them in the desired ordered. To do this, simply click down on the title of the item you want to move, drag it over to the desired location, and click up to drop it in that location. A dotted line appears where there is a valid location to drop the item.

Click down on a title to move it
Click down on the title of a module or subcollection to move it.
Drag item over to desired location (indicated by new dotted line) and drop it down.
Drag the module or subcollection over to its new location. A dotted line appears where there is a valid location to drop the item.
Rearrangements don't have to be strictly vertical movements of modules, as shown in the example. You can move both modules and subcollections, and you can move them up, down, into subcollections, or out of subcollections.

The new structure is automatically saved when the item is dropped in place.

Collapsing/expanding subcollections for easier editing

If your collection contains a lot of modules and subcollections, it can become cumbersome to edit (especially for dragging and dropping). If this is the case in your collection, you can collapse the subcollection by clicking on the arrow to the left of the subcollection title.

Click the arrow icon next a subcollection's titles to toggle it open or closed
Click the arrow icon next to a subcollection's title to toggle it open or closed.
Subcollections without any titles do not have the expand/collapse toggles next to their title.

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
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Source:  OpenStax, Connexions tutorial for vef fellows. OpenStax CNX. Dec 20, 2006 Download for free at http://cnx.org/content/col10395/1.2
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