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spadns 1084 specific volume<br />

spadns<br />

1996-10-23<br />

Sulfoph<strong>en</strong>yl-naphthal<strong>en</strong>e-sulfonic acid.<br />

(Until October 1996 this was a valid<br />

descriptor.)<br />

USE sulfones<br />

USE sulfonic acids<br />

SPAIN<br />

1995-04-03<br />

BT1 developing countries<br />

*BT1 western europe<br />

NT1 canary islands<br />

RT bay of biscay<br />

RT oecd<br />

SPALLATION<br />

High-<strong>en</strong>ergy nuclear reaction resulting in the<br />

release of numerous nucleons, alpha particles<br />

or heavier nuclei as reaction products; not to<br />

be used for fission.<br />

BT1 nuclear reactions<br />

RT fission<br />

RT nuclear fireball model<br />

RT nuclear fragm<strong>en</strong>tation<br />

RT nuclear fragm<strong>en</strong>ts<br />

RT rudstam formula<br />

RT spallation fragm<strong>en</strong>ts<br />

SPALLATION FRAGMENTS<br />

INIS: 1978-11-24; ETDE: 1978-12-20<br />

UF fragm<strong>en</strong>ts (spallation)<br />

UF spallation products<br />

BT1 nuclear fragm<strong>en</strong>ts<br />

RT spallation<br />

spallation products<br />

INIS: 1978-11-24; ETDE: 1978-12-20<br />

USE spallation fragm<strong>en</strong>ts<br />

spanish j<strong>en</strong>-1 research reactor<br />

USE j<strong>en</strong>-1 reactor<br />

spanish j<strong>en</strong>-2 research reactor<br />

USE j<strong>en</strong>-2 reactor<br />

SPANISH ORGANIZATIONS<br />

INIS: 1977-04-07; ETDE: 1977-06-03<br />

BT1 national organizations<br />

SPARGERS<br />

2000-07-11<br />

Liquid distribution devices consisting of<br />

l<strong>en</strong>gths of piping or tubing with holes at<br />

spaced intervals along the l<strong>en</strong>gth.<br />

UF perforated pipe distributors<br />

RT sprays<br />

SPARK CHAMBERS<br />

*BT1 gas track detectors<br />

NT1 filmless spark chambers<br />

NT2 sonic spark chambers<br />

NT2 wire spark chambers<br />

NT1 projection spark chambers<br />

NT1 streamer spark chambers<br />

NT1 wide gap spark chambers<br />

RT digitizers<br />

RT spark counters<br />

SPARK COUNTERS<br />

UF ros<strong>en</strong>blum counters<br />

*BT1 radiation detectors<br />

RT corona counters<br />

RT spark chambers<br />

SPARK DRILLS<br />

INIS: 2000-04-12; ETDE: 1976-07-07<br />

*BT1 drills<br />

RT drill bits<br />

RT electric sparks<br />

RT rock drilling<br />

RT well drilling<br />

SPARK GAPS<br />

RT breakdown<br />

RT electric discharges<br />

RT electric sparks<br />

RT pasch<strong>en</strong> law<br />

SPARK IGNITION ENGINES<br />

1997-06-19<br />

*BT1 internal combustion <strong>en</strong>gines<br />

NT1 wankel <strong>en</strong>gines<br />

RT automobiles<br />

RT carburetors<br />

RT combustion<br />

RT combustion chambers<br />

RT fuel injection systems<br />

RT gasoline<br />

SPARK MACHINING<br />

BT1 machining<br />

SPARK MASS SPECTROMETERS<br />

*BT1 mass spectrometers<br />

sparks (electric)<br />

USE electric sparks<br />

SPARTICLES<br />

INIS: 1987-12-21; ETDE: 1988-03-16<br />

UF supersymmetric particles<br />

*BT1 postulated particles<br />

spatial dep<strong>en</strong>d<strong>en</strong>ce<br />

INIS: 2000-04-12; ETDE: 1979-08-07<br />

(Prior to August 1981, this was a valid ETDE<br />

descriptor.)<br />

USE space dep<strong>en</strong>d<strong>en</strong>ce<br />

SPATIAL DISTRIBUTION<br />

Use for the distribution of any property or<br />

quantity in space, e.g. d<strong>en</strong>sity or particle<br />

velocity.<br />

UF depth distribution<br />

UF radial distribution<br />

BT1 distribution<br />

NT1 mass distribution<br />

RT angular distribution<br />

RT charge distribution<br />

RT plasma radial profiles<br />

RT space dep<strong>en</strong>d<strong>en</strong>ce<br />

RT temperature distribution<br />

SPATIAL DOSE DISTRIBUTIONS<br />

UF absorbed fraction (internal<br />

irradiation)<br />

UF distribution factor (rad doses)<br />

UF effective <strong>en</strong>ergy (internal irradiation)<br />

BT1 radiation dose distributions<br />

NT1 depth dose distributions<br />

RT buildup<br />

RT integral doses<br />

RT irradiation procedures<br />

RT isodose curves<br />

RT local irradiation<br />

RT microdosimetry<br />

RT nonuniform irradiation<br />

RT partial body irradiation<br />

SPATIAL RESOLUTION<br />

BT1 resolution<br />

spe<br />

ETDE: 2002-06-13<br />

USE solar protons<br />

speakeasy<br />

INIS: 2000-04-12; ETDE: 1980-02-11<br />

(Prior to January 1995, this was a valid ETDE<br />

descriptor.)<br />

USE programming languages<br />

SPEAR<br />

Stanford Positron-Electron Asymmetric Ring.<br />

BT1 storage rings<br />

special power excursion reactor-1<br />

1993-11-09<br />

USE spert-1 reactor<br />

special power excursion reactor-2<br />

1993-11-09<br />

USE spert-2 reactor<br />

special power excursion reactor-3<br />

1993-11-09<br />

USE spert-3 reactor<br />

special power excursion reactor-4<br />

1993-11-09<br />

USE spert-4 reactor<br />

SPECIAL PRODUCTION REACTORS<br />

For producing fissile materials such as<br />

uranium 233, californium 252, thorium 232,<br />

etc. See also PLUTONIUM PRODUCTION<br />

REACTORS.<br />

*BT1 production reactors<br />

NT1 c reactor<br />

NT1 k reactor<br />

NT1 l reactor<br />

NT1 p reactor<br />

NT1 r reactor<br />

SPECIAL RELATIVITY THEORY<br />

BT1 relativity theory<br />

RT dirac equation<br />

RT galilei transformations<br />

RT lor<strong>en</strong>tz invariance<br />

RT lor<strong>en</strong>tz transformations<br />

RT massless particles<br />

RT negative mass<br />

RT rest mass<br />

speciation (biological)<br />

INIS: 1987-08-27; ETDE: 2002-06-13<br />

USE biological evolution<br />

speciation (chemical)<br />

INIS: 1987-08-27; ETDE: 2002-06-13<br />

USE chemical state<br />

SPECIES DIVERSITY<br />

INIS: 1991-12-11; ETDE: 1978-01-23<br />

UF biodiversity<br />

RT animals<br />

RT baseline ecology<br />

RT biological extinction<br />

RT ecological balance<br />

RT ecological succession<br />

RT ecology<br />

RT ecosystems<br />

RT plants<br />

RT populations<br />

specific gravity<br />

USE d<strong>en</strong>sity<br />

SPECIFIC HEAT<br />

UF heat capacity<br />

*BT1 thermodynamic properties<br />

NT1 electronic specific heat<br />

NT1 magnetic specific heat<br />

NT1 nuclear specific heat<br />

RT born-von karman theory<br />

RT debye temperature<br />

RT gru<strong>en</strong>eis<strong>en</strong> constant<br />

SPECIFIC SURFACE AREA<br />

INIS: 1982-09-21; ETDE: 1991-03-08<br />

Surface area per unit weight or volume of a<br />

particulate solid.<br />

UF surface area (specific)<br />

BT1 physical properties

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