সূত্র

The relationship between pressure (P), volume (V), temperature (T), and moles of gas (n). This equation expresses behavior of real gases at low pressure and high temperature. ...

হ্যান্ডস-ফ্রি

Mobile communications; Mobile phones

An important safety feature that's included with most of today's mobile phones. It permits drivers to use their cellular phone without lifting or holding the hand-set to their ...

হ্যান্ডসেট সাবসিডি

Mobile communications; Mobile phones

Frequently, a wireless company will sell a phone (handset) below cost, with the hope of making up the loss later on customer usage fees. The amount of loss per handset is called ...

হার্টজ (hz)

Mobile communications; Mobile phones

A unit of measurement of one cycle per second when one radio wave passes one point in one second of time. Named in honor of Heinrich Hertz, the physicist who developed the theory ...

হাই-স্পিড সার্কিট সুইচড ডাটা (HSCSD)

Mobile communications; Mobile phones

The final evolution of circuit switched data within the GSM environment. HSCSD enables the transmission of data over a GSM link at speeds of up to 57.6kbit/s. This is achieved by ...

হোম লোকেশন রেজিস্টার (HLR)

Mobile communications; Mobile phones

A database residing in a local wireless network that contains service profiles and checks the identity of a local subscriber.

i-mode

Mobile communications; Mobile phones

NTT DoCoMo's mobile Internet access, launched in February 1999. I-mode is an alternative to WAP, though it is only implemented in Japan. It offers Internet access and email ...

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Prodip Kumar Dutta

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Industry/Domain: Aerospace Category: Space flight

মহাকাশযান

A reusable spacecraft with wings developed by the U.S. National Aeronautics and Space Administration (NASA) for human spaceflight missions. The first ...