CD3 or CD-3 may refer to:
* CD3, or
2020 CD3, a small
minimoon of Earth
*
CD3 (immunology)
CD3 ( cluster of differentiation 3) is a protein complex and T cell co-receptor that is involved in activating both the cytotoxic T cell (CD8+ naive T cells) and T helper cells (CD4+ naive T cells). It is composed of four distinct chains. ...
, an antigen, cluster of differentiation protein (immunology), part of the T cell receptor (TCR) complex on a mature T lymphocyte
*
Cost of delay (CD3 Prioritisation), an approach for scheduling work through a scarce resource that maximises
Return on Investment
Return on investment (ROI) or return on costs (ROC) is the ratio between net income (over a period) and investment (costs resulting from an investment of some resources at a point in time). A high ROI means the investment's gains compare favorab ...
. (CD3 = CDx3 from Cost of Delay Divided by Duration).
*
Ford CD3 platform
*
MediaMax CD-3, copy protection scheme
*
MiniCD
Mini CDs, or pocket CDs, are CDs with a smaller diameter and one-third the storage capacity of a standard 120 mm disc.
Formats
Amongst the various formats are the
*Mini CD single, a small disc. The format is mainly used for audio CD si ...
, a ''3-inch CD''
**
3-inch CD single
*
, the color developer for E-6 process">4-Amino-3-methylphenyl)ethylamino">-[(4-Amino-3-methylphenyl)e ...
, the color developer for E-6 process and VNF-1 process.
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