catalysis

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catalysis

 [kah-tal´ĭ-sis]
increase in the velocity of a chemical reaction or process produced by the presence of a substance that is not consumed in the net chemical reaction or process; negative catalysis denotes the slowing down or inhibition of a reaction or process by the presence of such a substance. adj., adj catalyt´ic.

ca·tal·y·sis

(kă-tal'i-sis),
The effect that a catalyst exerts on a chemical reaction.
[G. katalysis, dissolution]

catalysis

/ca·tal·y·sis/ (kah-tal´ĭ-sis) increase in the velocity of a chemical reaction or process produced by the presence of a substance that is not consumed in the net chemical reaction or process; negative c. denotes the slowing down or inhibition of a reaction or process by the presence of such a substance.catalyt´ic

catalysis

[kətal′əsis]
Etymology: Gk, katalein, to dissolve
an increase in the rate of a chemical reaction that is caused by a substance that is neither permanently altered nor consumed by the reaction. Compare negative catalysis.See also catalyst. catalytic. adj., catalyze, v.

ca·tal·y·sis

(kă-tal'i-sis)
The effect that a catalyst exerts on a chemical reaction.
[G. katalysis, dissolution]

ca·tal·y·sis

(kă-tal'i-sis)
The effect that a catalyst exerts on a chemical reaction.
[G. katalysis, dissolution]

catalysis (kətal´əsis),

n the increase in rate of a chemical reaction, induced by a substance called a
catalyst, which takes no part in the reaction and remains unchanged.

catalysis

increase in the velocity of a chemical reaction or process produced by the presence of a substance that is not consumed in the net chemical reaction or process; negative catalysis denotes the slowing down or inhibition of a reaction or process by the presence of such a substance.

covalent catalysis
one type of enzyme reaction with substrates to form very unstable, covalently joined enzyme-substrate complexes which undergo further reaction.
References in periodicals archive ?
Characteristics of Biodiesel Produced from Bleached Frying Oil by Different Catalysed Processes.
Property###Base Catalysed###Acid Catalysed###Acid - Base Catalysed
Alkali Catalysed process is fast, operates at low temperature and give high yields of biodiesel but it is very sensitive to the purity of the reactants especially to both moisture and FFA contents which cause soap formation and the product separation becomes problematic.