NP

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Np,

symbol for element neptuniumneptunium
, radioactive chemical element; symbol Np; at. no. 93; mass number of most stable isotope 237; m.p. about 640°C;; b.p. 3,902°C; (estimated); sp. gr. 20.25 at 20°C;; valence +3, +4, +5, or +6. Neptunium is a ductile, silvery radioactive metal.
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Np

(chemistry)

NP

(computer science)
The class of decision problems for which solutions can be checked in polynomial time.

NP

(complexity)

np

(networking)
The country code for Nepal.

NP

(Number Portability) The capability of keeping the same telephone number when switching carriers or services. It all started with 800 numbers, which led to local number portability (LNP) and later to wireless number portability (WLNP). November 24, 2003 was known as "Cellphone Independence" day because it was the first time in the U.S. that customers in the top 100 metropolitan service areas (MSAs) could move their telephone numbers to a different carrier. In most cases, landline numbers can also be moved to a cellular carrier.
References in periodicals archive ?
The Department had updated on 2nd of this month regarding its approval to the suggestions put forwarded by the TRAI and also sought the telecom regulator s viewpoint on the issues of additional entry fee, PBG and FBG to be levied on the existing Mobile Number Portability licensees for expanding range of their licenses.
To see which of the four explanations applies to the global diffusion of number portability regulation, first, I collected data on number portability, the start of fixed line phone competition, and the start of mobile phone competition in countries around the world.
Saleh al-Kuwari, Regulatory Authority Technical Affairs Manager at ictQATAR and head of the National Numbering Committee said: "ictQATAR is pleased that significant progress has been made in bringing the benefits of mobile number portability to telecommunications consumers in Qatar.
He also said that consumers in Bahrain who wish to apply for the number portability service can contact or visit the new service provider they wish to transfer their number to, and the new service provider will activate the service, which should take no more than six working days.
TRA information and communications technology director Ahmed Aldoseri said Bahrain was the second country after Saudi Arabia to offer number portability in the region.
The one-stop-shop number portability procedure was formally introduced in order to help customers who want to change their operator but keep their number.
That 10 percent is in addition to customers who have already migrated to wireless and those who are likely to do so despite the number portability limitation.
Bruce Allen, a Professor of Business and Public Policy at the Wharton School at the University of Pennsylvania, recently examined number portability in-depth in India, finding vast differences between the India and United States' systems.
a) After the Full Mobile Number Portability (inter-service area portability) is implemented the Recipient Operator will forward the porting request to the MNPSP of the zone to which original number range holder (the Telecom Service Provider to which the number originally belonged before its first porting) belongs.
Telcordia's solutions have been selected for number portability deployments in countries around the world, including: United States of America, Canada, Mexico, India, Thailand, Malaysia, Pakistan, Egypt, Turkey, Saudi Arabia, Lithuania, Greece, UAE and South Africa.
Ahmed Aldoseri, Bahrain TRA's director for ICT, said: "The number portability central system is a key component of the number portability process.
After the start of the one-stop-shop number portability procedure, only about 10% of the clients wishing to go from Globul to M-Tel have been transferred.