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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

where we get a research paper on Nano chemistry....?
Maira Reply
nanopartical of organic/inorganic / physical chemistry , pdf / thesis / review
what are the products of Nano chemistry?
Maira Reply
There are lots of products of nano chemistry... Like nano coatings.....carbon fiber.. And lots of others..
Even nanotechnology is pretty much all about chemistry... Its the chemistry on quantum or atomic level
no nanotechnology is also a part of physics and maths it requires angle formulas and some pressure regarding concepts
Preparation and Applications of Nanomaterial for Drug Delivery
Hafiz Reply
Application of nanotechnology in medicine
what is variations in raman spectra for nanomaterials
Jyoti Reply
ya I also want to know the raman spectra
I only see partial conversation and what's the question here!
Crow Reply
what about nanotechnology for water purification
RAW Reply
please someone correct me if I'm wrong but I think one can use nanoparticles, specially silver nanoparticles for water treatment.
yes that's correct
I think
Nasa has use it in the 60's, copper as water purification in the moon travel.
nanocopper obvius
what is the stm
Brian Reply
is there industrial application of fullrenes. What is the method to prepare fullrene on large scale.?
industrial application...? mmm I think on the medical side as drug carrier, but you should go deeper on your research, I may be wrong
How we are making nano material?
what is a peer
What is meant by 'nano scale'?
What is STMs full form?
scanning tunneling microscope
how nano science is used for hydrophobicity
Do u think that Graphene and Fullrene fiber can be used to make Air Plane body structure the lightest and strongest. Rafiq
what is differents between GO and RGO?
what is simplest way to understand the applications of nano robots used to detect the cancer affected cell of human body.? How this robot is carried to required site of body cell.? what will be the carrier material and how can be detected that correct delivery of drug is done Rafiq
analytical skills graphene is prepared to kill any type viruses .
Any one who tell me about Preparation and application of Nanomaterial for drug Delivery
what is Nano technology ?
Bob Reply
write examples of Nano molecule?
The nanotechnology is as new science, to scale nanometric
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
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.
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit 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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