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GASES
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DeCS
Descriptor
English
:
Gases
Descriptor
Spanish
:
Gases
Descriptor
Portuguese
:
Gases
Tree Number:
D01.362
SP4.031.100.200.247.458.014
SP4.097.069
SP8.473.654.412.052.065
Definition
English
:
The vapor state of matter; nonelastic fluids in which the molecules are in free
movement
and their mean positions far apart. Gases tend to expand indefinitely, to diffuse and mix readily with other gases, to have definite relations of volume,
temperature
, and
pressure
, and to condense or liquefy at low
temperatures
or under sufficient
pressure
. (Grant & Hackh's Chemical
Dictionary
, 5th ed)
Indexing Annotation
English
:
does not include
natural gas
( =
NATURAL GAS
see
FOSSIL FUELS
); does not include blood gases ( =
OXYGEN
/blood
or
CARBON DIOXIDE
/blood
); gas
embolism
=
EMBOLISM
, AIR; intestinal gases = GASES +
INTESTINES
/physiol unless clinically referred to as
FLATULENCE
(Cat C)
Entry Combination - descr/qualif
English
:
Gases
/
poisoning
use
Gas Poisoning
Allowable Qualifiers
English
:
AD
administration & dosage
AE
adverse effects
AG
agonists
AN
analysis
AI
antagonists & inhibitors
BL
blood
CF
cerebrospinal fluid
CS
chemical synthesis
CH
chemistry
CL
classification
EC
economics
HI
history
IM
immunology
IP
isolation & purification
ME
metabolism
PK
pharmacokinetics
PD
pharmacology
RE
radiation effects
ST
standards
SD
supply & distribution
TU
therapeutic use
TO
toxicity
UR
urine
Record Number:
5881
Unique Identifier:
D005740
Occurrence in VHL
:
Similar:
DeCS