CD 3

CD3 or CD-3 may refer to: * CD3, or

2020 CD3 (also CD3 for short) is a tiny near-Earth asteroid (or Claimed moons of Earth, minimoon) that ordinarily orbits the Sun but makes close approaches to the Earth–Moon system, in which it can temporarily enter Earth orbit through temporary sate ...

, a small

minimoon Claims of the existence of other moons of Earth—that is, of one or more natural satellites with relatively stable orbits of Earth, other than the Moon—have existed for some time. Several candidates have been proposed, but none have been conf ...

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 Cost of Delay is "a way of communicating the impact of time on the outcomes we hope to achieve". More formally, it is the partial derivative of the ''total expected value'' with respect to ''time''. Cost of Delay combines an understanding of value w ...

(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 The Ford CD3 platform (for " C/D-class") is a Ford midsize car automobile platform. It was designed by Mazda. The platform is designed for either front, all-wheel drive or Ford's hybrid powertrain. The platform is based on a unitized welded s ...

* 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 A CD single is a music single in the form of a compact disc (CD). Originally the ''CD single'' standard (as defined in the Red Book) was an 8 cm (3-inch) "mini CD" (''CD3''); later on the term referred to any single recorded onto a CD of any ...

Color Developing Agent 3 The third in the series of color developing agents used in developing color films, commonly known as CD-3, is chemically known as N- 4-Amino-3-methylphenyl)ethylamino.html" ;"title="- -[(4-Amino-3-methylphenyl)e ...

, the color developer for E-6 process">4-Amino-3-methylphenyl)ethylamino">-[(4-Amino-3-methylphenyl)e ...