catalysis
n . 触媒作用,接触反应,催化作用
触媒作用,接触反应,催化作用
catalysis n 1 :
acceleration of a chemical reaction induced the presence of material that is chemically unchanged at the end of the reaction ; "
of the top 50 commodity chemicals ,
30 are created directly by catalysis and another 6 are made from raw materials that are catalytically produced " [
synonym :
{
catalysis }, {
contact action }]
Catalysis \
Ca *
tal "
y *
sis \,
n .;
pl . {
Catalyse }.[
ML .,
fr .
Gr . ?
dissolution ,
fr . ?
to destroy ,
dissolve ;
kata `
down ,
wholly ?
to loose .]
[
1913 Webster ]
1 .
Dissolution ;
degeneration ;
decay . [
R .]
[
1913 Webster ]
Sad catalysis and declension of piety . --
Evelyn .
[
1913 Webster ]
2 . (
Chem .)
(
a )
A process by which a chemical reaction is accelerated in the presence of certain agents which were formerly believed to exert an influence by mere contact .
It is now believed that such reactions are attended with the formation of an intermediate compound or compounds ,
so that by alternate composition and decomposition the agent is apparenty left unchanged ;
as ,
the catalysis of making ether from alcohol by means of sulphuric acid ;
or catalysis in the action of enzymes (
as diastase ,
or ptyalin )
on starch .
(
b )
The catalytic force .
[
1913 Webster PJC ]
63 Moby Thesaurus words for "
catalysis ":
acetification ,
acidification ,
acidulation ,
alkalization ,
avatar ,
carbonation ,
catabolism ,
catalyst ,
chemicalization ,
consubstantiation ,
decay ,
dialysis ,
displacement ,
dissociation ,
electrolysis ,
ferment ,
fermentation ,
fission ,
heterotopia ,
hydrogenation ,
hydrolysis ,
hydrolyst ,
isomerism ,
metabolism ,
metagenesis ,
metamerism ,
metamerization ,
metamorphism ,
metamorphosis ,
metastasis ,
metathesis ,
metempsychosis ,
mutant ,
mutated form ,
mutation ,
nitration ,
oxidation ,
oxidization ,
permutation ,
phosphatization ,
photolysis ,
polymerism ,
polymerization ,
position isomerism ,
reduction ,
reincarnation ,
saturization ,
splitting ,
sport ,
thermolysis ,
transanimation ,
transfiguration ,
transfigurement ,
transformation ,
transformism ,
translation ,
translocation ,
transmigration ,
transmogrification ,
transmutation ,
transposition ,
transubstantiation ,
working
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