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The reader will note on the map to follow that this geographical region is of the general magnitude of North America, but much smaller than Africa. The map does not include the very far eastern tip of Soviet Siberia with the Magadan region and the Kamchatka peninsula. That extends roughly 600 miles farther east than the edge of the diagram, but it is of little interest in-this manuscript. Although the various sub-divisions of central and northern Asia are not discussed formally, as such, in the text because of constant changing of borders and names throughout the centuries, the various present day component parts will be discussed under their current names.

The component parts of central and northern asia

The boundaries of this area have been chosen somewhat arbitrarily so that the region is bounded by European Russia on the northwest, Manchuria and China on the southeast, Iran, Pakistan, India and Southeast Asia on the south and otherwise by the Arctic and Pacific oceans and the Caspian Sea. Siberia is a vast land lying almost entirely north of the 50th parallel. Just below its center lies Mongolia, at roughly the latitude of Poland, but about as large as Poland, Germany and France together. In south central Asia the present states of Kazakh, Turkmen, Usbek, and Kirghiz all are incorporated within the Soviet Union. The ancient and important city of Samarkand is in Usbek while Tashkent lies at the eastern edge of Kirghiz. Standing alone south of these central states is the country of Afghanistan, shown in yellow. All of these central Asian areas have a great mixture of Turkish and Mongolian peoples, with perhaps some remnants of the old Indo-European speaking Kushans. The Moslem religion is predominant today.

The area shown in light red on the diagram deserves special mention. This is the Zvarea of Tibet and Sinkiang, both of which are currently a part of the Peoples Republic of China. Historically and genetically, at least until very recent years, however, these A-were central Asian peoples, not "Han" Chinese and so, ignoring the present political border we have elected to include this large area under the heading of Central Asia. Thus there is a heavy dotted line border, rather than a solid line about these regions, as at present they are not actually defined as "countries".

Central and Northern Asia (This map was obtained from (External Link) and is used with permission under a Creative Commons Attribution 3.0 license .)

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Questions & Answers

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.
Bharti
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
Daniel
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
Maciej
characteristics of micro business
Abigail
for teaching engĺish at school how nano technology help us
Anassong
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
NANO
what is fullerene does it is used to make bukky balls
Devang Reply
are you nano engineer ?
s.
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.
Tarell
what is the actual application of fullerenes nowadays?
Damian
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.
Tarell
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.
Virgil
is Bucky paper clear?
CYNTHIA
carbon nanotubes has various application in fuel cells membrane, current research on cancer drug,and in electronics MEMS and NEMS etc
NANO
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.
Harper
Do you know which machine is used to that process?
s.
how to fabricate graphene ink ?
SUYASH Reply
for screen printed electrodes ?
SUYASH
What is lattice structure?
s. Reply
of graphene you mean?
Ebrahim
or in general
Ebrahim
in general
s.
Graphene has a hexagonal structure
tahir
On having this app for quite a bit time, Haven't realised there's a chat room in it.
Cied
what is biological synthesis of nanoparticles
Sanket Reply
what's the easiest and fastest way to the synthesize AgNP?
Damian Reply
China
Cied
types of nano material
abeetha Reply
I start with an easy one. carbon nanotubes woven into a long filament like a string
Porter
many many of nanotubes
Porter
what is the k.e before it land
Yasmin
what is the function of carbon nanotubes?
Cesar
I'm interested in nanotube
Uday
what is nanomaterials​ and their applications of sensors.
Ramkumar Reply
what is nano technology
Sravani Reply
what is system testing?
AMJAD
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Source:  OpenStax, A comprehensive outline of world history. OpenStax CNX. Nov 30, 2009 Download for free at http://cnx.org/content/col10595/1.3
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