Archive | I RSS feed for this section

ITERATED FISSION EXPECTATION

Limiting value, after a long time, of the number of fissions per generation in the chain reaction initiated by a specified neutron to which this term applies,

Continue Reading ·

ITERATION

To obtain a result by repeatedly performing the same sequence of steps until a specified condition is satisfied. See loop,

Continue Reading ·

ITERATIVE IMPEDANCE

The input impedance of a four terminal network or transducer when the output is terminated with the same impedance, or when an infinite series of identical such networks are cascaded. See image impedance

Continue Reading ·

ITEROPAROUS

Reproducing on two or more occasions during a lifetime.

Continue Reading ·

IUGS

Abbrev for International Union of Geological Sciences. Under their aegis a classification of igneous rocks has been agreed internationally.

Continue Reading ·

IUPAC

Abbrev for the International Union of Pure and Applied Chemistry>, a body responsible, among other things, for the standardization of chemical nomenclature, which it alters frequendy.

Continue Reading ·

IVORY

The dentine of teeth especially the massive type occurring in elephants, mammoths etc. Formerly used for tools eg harpoon tips and still used for decorative products despite limitation attempts,

Continue Reading ·

IVORY BOARD

Genuine ivory board is formed from high-quality papers by starch-pasting two or more together,

Continue Reading ·

IVP, IVU

Abbrev for intravenous pelography, intravenous urography, ie the demonstration by X-ray of the renal tract after the intravenous injection of a radio-opaque contrast medium.

Continue Reading ·

IZOD TEST

A flexed cantilever-beam, notched-specimen, impact test in which one end of a notched specimen is held in a vice while the other end is struck by a striker carried

Continue Reading ·