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  • noun

Synonyms for half-life

the time required for something to fall to half its initial value (in particular, the time for half the atoms in a radioactive substance to disintegrate)

References in periodicals archive ?
That means the Xen chunks of Half-Life still aren't here; they were also missing from the free, unfinished version of the game released in 2012.
Alyx Vance is the name of Gordon Freeman's close ally in the PC game Half-Life 2.
About Xtend (TM) technology Xencor's proprietary antibody technology platform provides a validated solution to enhancing the serum half-life of immunoglobulin molecules.
We had three major hypotheses: (i) the half-life of DCD in soil does not differ with the amount of DCD application; (ii) the addition of different sources of N (urine or synthetic N fertiliser) has no influence on the half-life of DCD in soil; and (iii) seasonal variations in soil temperature affect the half-life of DCD in a soil.
Keywords: Learning Curve, Half-Life, Learn-Forget Models, Performance, Training, Acquisition
Half-Life 2: Episode Two picks up exactly where Episode One left off, with Alyx helping Gordon Freeman out of the rubble of a train crash.
and illustrates the important concepts of reaction kinetics and half-life.
This technology is designed to improve the stability, biological half-life and immunologic characteristics of therapeutic proteins naturally.
Among the tips: Find out which radioisotope will be used in the procedure and its half-life; discuss with the physician the length of time the patient may emit detectable radiation and schedule travel accordingly; and get a letter from the physician with "the patient's name, contact information for the testing facility, the name of the nuclear medicine procedure, the date of the treatment or test, the radionuclide that was used, its half-life, its administered activity and 24-hour contact information.
Follow-up of 24 seropositive infants showed that the half-life of antibody persistence was 35.
AlbudAbs are dAbs that specifically bind to serum albumin and can dramatically enhance the half-life and efficacy of any molecule attached to them.
In The Matrix (1999), what is left of the human race, enslaved by machines and confined to comatose half-life in incubators, experiences as reality the cybernetic program that is fed into it by the all-controlling computer program.
The company has revised the molecular structure of the material to achieve a luminance efficiency of 9cd/A, 30% higher than the company's existing material, and a brightness half-life of 23,000 hours (a threshold luminance of 1,000cd/m2), 130% longer, in emitting blue light which most affects the display's power consumption and life.
The PDA technologies include an XmAb([R])platform for enhanced effector function (potency) and an Xtend([R])platform for extended half-life (dosing).