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Central and northern asia

Back to Central and Northern Asia: A.D. 701 to 800

Islam and China each dominated large portions of Central Asia at this time. Chinese porcelain has been found, dating to this period, in Tarsus and Cairo, apparently carried from T'ang China through the Tarim Basin and the Pamirs to the mideast trade routes. (Ref. 58 , 8 ) In an area east of a line drawn from the Aral Sea to the south end of the Caspian, then designated as "eastern Persia", the separate Tahirid Dynasty ruled in the early century. Near the end of the era the northern part was ruled by the Samanid Emirate and the southern by the Saffarid Emirate (874) from Persia, proper. By A.D. 900, however, the Samanids had taken over the entire area. At that time Bokhara and Samarkand rivaled Baghdad as centers of art and learning and the Persian language was used throughout. (Ref. 137 ) Additional Notes

The Uigurs were chased out of Mongolia in A.D. 840 by the Kirghis Turks and the former moved to Turf an in the desert, which is now part of Sinkiang, China, where they reigned for the next 400 years. Those people eventually converted to Islam and later transmitted their script to the Mongols. (Ref. 38 ) The Kirghiz Turks moved on down to take part of Turkistan and developed almost a Persian culture as they adopted the Manichean religion. North of western China were the "Western Turks" and the most western group of these were called "Ghuzz". (Ref. 8 , 137 )

In southern Siberia in the mountainous border area between Mongolia and Manchuria, just south of Lake Baikal, were forest hunters who claimed descent from the Hsiung-nu, but who were more apt to have been related to the Juan-Juan tribes that were in Mongolia in the 5th century. At any rate, these are the Mongols that later were to be the warriors of Genghis Khan and at the end of this 9th century they started to migrate into the Siberian plain around the Onon River. Some remained hunters and fishermen while others became pastoral nomads. The latter became the true Mongols, proper. (Ref. 101 )

At the end of this 9th century huge silver deposits were found in Transoxiania, making it very rich. Its Samanid rulers began to mint vast quantities of large coins, many of which went to Russia, chiefly through the Bulgars on the middle Volga. (Ref. 301 )

Forward to Central and Northern Asia: A.D. 901 to 1000

Questions & Answers

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
Do somebody tell me a best nano engineering book for beginners?
s. Reply
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?
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
what's the easiest and fastest way to the synthesize AgNP?
Damian Reply
types of nano material
abeetha Reply
I start with an easy one. carbon nanotubes woven into a long filament like a string
many many of nanotubes
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I'm interested in nanotube
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Ramkumar Reply
what is nano technology
Sravani Reply
what is system testing?
preparation of nanomaterial
Victor Reply
Yes, Nanotechnology has a very fast field of applications and their is always something new to do with it...
Himanshu Reply
good afternoon madam
what is system testing
what is the application of nanotechnology?
In this morden time nanotechnology used in many field . 1-Electronics-manufacturad IC ,RAM,MRAM,solar panel etc 2-Helth and Medical-Nanomedicine,Drug Dilivery for cancer treatment etc 3- Atomobile -MEMS, Coating on car etc. and may other field for details you can check at Google
anybody can imagine what will be happen after 100 years from now in nano tech world
after 100 year this will be not nanotechnology maybe this technology name will be change . maybe aftet 100 year . we work on electron lable practically about its properties and behaviour by the different instruments
name doesn't matter , whatever it will be change... I'm taking about effect on circumstances of the microscopic world
how hard could it be to apply nanotechnology against viral infections such HIV or Ebola?
silver nanoparticles could handle the job?
not now but maybe in future only AgNP maybe any other nanomaterials
I'm interested in Nanotube
this technology will not going on for the long time , so I'm thinking about femtotechnology 10^-15
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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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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