General science

General science

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

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General science

Chemical separation (chemical engineering)

Science; General science

A process used to purify substances or to isolate them from other substances. In industrial applications, the ultimate goal is the isolation of a product of given purity. Most industrial chemical ...

Cracking

Science; General science

A process used in the petroleum industry to reduce the molecular weight of hydrocarbons by breaking molecular bonds. Cracking is carried out by thermal, catalytic, or hydrocracking methods. ...

A process which uses ozone to cleave unsaturated organic bonds. General olefin cleavage was first extensively studied by C. Harries, beginning in 1903, as a technique to determine the structure of ...

Vicuna

Science; General science

A rare animal whose fibre makes the world's most costly and most exquisite cloth, surpassing all others in fineness and beauty. It is found in an almost inaccessible area of the Andes Mountains, at ...

Radioactive tracer

Science; General science

A radioactive isotope which, when injected into a chemically similar substance or artificially attached to a biological or physical system, can be traced by radiation detection devices. Many ...

Solenodon

Science; General science

A rare insectivorous mammal classified in the family Solenodontidae. Solenodons are among the largest living insectivores. There are only two extant species. The Hispaniolan, or Haitian, solenodon ( ...

X-ray spectrometry

Science; General science

A rapid and economical technique for quantitative analysis of the elemental composition of specimens. It differs from x-ray diffraction, whose purpose is the identification of crystalline compounds. ...