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Acronyms that contain the term specific activity 

What does specific activity mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: specific activity.

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S

Specific

Governmental » Law & Legal

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WSSA

Weapons System Support Activity

Governmental » Military

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PSA

Prostate-Specific Antigen

Medical » Hospitals

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PSA

Prostate-Specific Antigen

Medical » Physiology

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TDAA

Training Development & Analysis Activity

Governmental » Military

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PSA

Prostate-Specific Antigen

Medical » Laboratory

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NS

Non Specific

Governmental » US Government

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NS

Non Specific

Medical » Physiology

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ASIC

Application-Specific Integrated Circuit

Academic & Science » Electronics

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ASIC

Application Specific Integrated Circuit

Computing » General Computing

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ASIC

Application-Specific Integrated Circuit

Computing » Networking

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ABC

Activity Based Costing

Governmental » Military

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ABC

Activity Based Costing

Governmental » US Government

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SG

Specific Gravity

Academic & Science » Physics

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BAM

Business Activity Monitoring

Computing » Software

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BAM

Business Activity Monitoring

Business » General Business

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MA

Muscle Activity

Medical » Physiology

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VAD

Voice Activity Detection

Computing » Telecom

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VAD

Voice Activity Detection

Computing » Networking

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SAR

Specific Absorption Rate

Medical » Physiology

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VAD

Voice Activity Detection

Governmental » Law & Legal

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MS

Most Specific

Governmental » Law & Legal

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AS

Activity Start

Computing » General Computing

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AC

Activity Center

Business » General Business

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SAR

Structure Activity Relationship

Computing » General Computing

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What does specific activity mean?

Specific activity
Specific activity is the activity per quantity of a radionuclide and is a physical property of that radionuclide.Activity is a quantity related to radioactivity for which the SI unit is the becquerel (Bq), equal to one reciprocal second. The becquerel is defined as the number of radioactive transformations per second that occur in a particular radionuclide. The older, non-SI unit of activity is the Curie (Ci) which is 3.7×1010 transformations per second. Since the probability of radioactive decay for a given radionuclide is a fixed physical quantity (with some slight exceptions, see changing decay rates), the number of decays that occur in a given time of a specific number of atoms of that radionuclide is also a fixed physical quantity (if there are large enough numbers of atoms to ignore statistical fluctuations). Thus, specific activity is defined as the activity per quantity of atoms of a particular radionuclide. It is usually given in units of Bq/g, but another commonly used unit of activity is the curie (Ci) allowing the definition of specific activity in Ci/g. The amount of specific activity should not be confused with level of exposure to ionizing radiation and thus the exposure or absorbed dose. The absorbed dose is the quantity important in assessing the effects of ionizing radiation on humans.

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"specific activity." Abbreviations.com. STANDS4 LLC, 2020. Web. 1 Apr. 2020. <https://www.abbreviations.com/specific%20activity>.

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