General science

General science

A variety of science subjects concerning the fundamental knowledge about different aspects of our world and their underlying principles.

Industry: Science

Add a new term

Contributors in General science

Become a Contributors

General science

A chemical manufacturing process in which chemical transformation takes place, that is, the product differs chemically from the starting materials. Most chemical manufacturing processes consist of a ...

pathotoxin

Science; General science

A chemical of biological origin, other than an enzyme, that plays an important causal role in a plant disease. Most pathotoxins are produced by plant pathogenic fungi or bacteria, but some are ...

soil sterilization

Science; General science

A chemical or physical process that results in the death of soil organisms. This control method affects many organisms, even though the elimination of only specific weeds, fungi, bacteria, viruses, ...

pyrolysis

Science; General science

A chemical process in which a compound is converted to one or more products by heat. By this definition, reactions that occur by heating in the presence of a catalyst, or in the presence of air when ...

heterogeneous catalysis

Science; General science

A chemical process in which the catalyst is present in a separate phase. In the usual case, the catalyst is a solid, and the reactants and product are in gaseous or liquid phases.

sulfonation and sulfation

Science; General science

A chemical reaction in which a sulfonic acid group, –SO 3 H, is introduced into the structure of a molecule or ion in place of a hydrogen atom.

chain reaction (chemistry)

Science; General science

A chemical reaction in which many molecules undergo chemical reaction after one molecule becomes activated. In ordinary chemical reactions, every molecule that reacts must first become activated by ...