T1

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T1

In magnetic resonance, the time for 63% of longitudinal relaxation to occur; the value is a function of magnetic field strength and the chemical environment of the hydrogen nucleus; for protons in fat and in water, in a 1.5T magnet, about 250 milliseconds and 3000 milliseconds, respectively. A T1-weighted image will have a bright fat signal.
Farlex Partner Medical Dictionary © Farlex 2012

T1

An MRI term for the time constant at which spins realign themselves with the external magnetic field after excitation.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

T1

magnetic resonance The time for 63% of longitudinal relaxation to occur; the value is a function of magnetic field strength and the chemical environment of the hydrogen nucleus.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
In rural areas, service has often been provided to small outlying communities through channel banks and microwave radio.
USB 2.0-connected Channel Banks Provide Additional Ports, Effortlessly
Bass/TM will add three more UPSs to back up the T1 channel banks that connect callers in San Jose, San Francisco, and Oakland with the headquarters mainframe.
Most often, the conversion from analog to digital (and back) is done by a specialized multiplexer, the D4 channel bank. A channel bank always works iwth PCM, so there are "always" 24 standard voice channels in one T1 line (Figure 6).
To use a TDC, a channel bank or multiplexer is located at each end and all derived circuits originate and terminate at these two locations.
23 August 2013 -- German banking firm North Channel Bank GmbH & Co KG said it has acquired California-based NorthStar Life Services LLC.
M2 EQUITYBITES-August 23, 2013-North Channel Bank buys NorthStar Life Services in California(C)2013 M2 COMMUNICATIONS http://www.m2.com
M2 EQUITYBITES-August 23, 2013--Germany's North Channel Bank acquires NorthStar Life Services(C)2013 M2 COMMUNICATIONS http://www.m2.com
"These deposits can be remobilised by rainwater and generate lahars (mud flows) by themselves and or by incorporating existing erodible material on channel banks," Phivolcs warned in an advisory.
Sixteen [I.sup.2]C-programmable registers for each of three channel banks let users define the compensation curve as a function of the specific LED diode used in the design.
On one occasion, back in the late 1950s (probably 1958) after walking along the channel banks from the ship canal lock, we reached the main channel at the Hale lighthouse (or was it a marker beacon) on what must have been a spring tide low water, so my colleague Ron Gleve and buoy foreman Danny, decided to try and walk across the channel which we successfully did, reaching the Hale foreshore.
Accurate determinations of sediment flow are needed because sediment can reduce reservoir capacity, fill channels and cause flooding, degrade water quality and destabilize channel banks. Researchers say physical, chemical and biological damage associated with sediment flow in North America costs around $16 billion annually.