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Что (кто) такое selective cracking - определение
WIKIMEDIA DISAMBIGUATION PAGE
CRACKING; Crackin'; Cracking (disambiguation)
Cracking (chemistry)
THERMAL OR CATALYTIC DECOMPOSITION OF A COMPOUND SUCH AS A HYDROCARBON INTO CHEMICAL SPECIES OF SMALLER MOLECULAR WEIGHT
Hydrocracking; Hydrocracker; Thermal cracking; Catalytic hydrocracking; FCCU; Cracking of petroleum; Petroleum cracking; Hydrogen catalytic cracking; Unicracking; Steam Cracking; Chemical cracking; Pyrolytic Cracking; Crack (chemistry); Hydrocarbon cracking; Cracking of hydrocarbons
In petrochemistry, petroleum geology and organic chemistry, cracking is the process whereby complex organic molecules such as kerogens or long-chain hydrocarbons are broken down into simpler molecules such as light hydrocarbons, by the breaking of carbon-carbon bonds in the precursors. The rate of cracking and the end products are strongly dependent on the temperature and presence of catalysts.
Steam cracking
THERMAL OR CATALYTIC DECOMPOSITION OF A COMPOUND SUCH AS A HYDROCARBON INTO CHEMICAL SPECIES OF SMALLER MOLECULAR WEIGHT
Hydrocracking; Hydrocracker; Thermal cracking; Catalytic hydrocracking; FCCU; Cracking of petroleum; Petroleum cracking; Hydrogen catalytic cracking; Unicracking; Steam Cracking; Chemical cracking; Pyrolytic Cracking; Crack (chemistry); Hydrocarbon cracking; Cracking of hydrocarbons
Steam cracking is a petrochemical process in which saturated hydrocarbons are broken down into smaller, often unsaturated, hydrocarbons. It is the principal industrial method for producing the lighter alkenes (or commonly olefins), including ethene (or ethylene) and propene (or propylene).
Sulfide stress cracking
FORM OF HYDROGEN EMBRITTLEMENT DUE TO HYDROGEN SULFIDE
Sulfide stress corrosion cracking; Sulphide stress corrosion cracking; Sulphide stress cracking
Sulfide stress cracking (SSC) is a form of hydrogen embrittlement which is a cathodic cracking mechanism. It should not be confused with the term stress corrosion cracking which is an anodic cracking mechanism.
Википедия
Cracking
Cracking may refer to:
- Cracking, the formation of a fracture or partial fracture in a solid material studied as fracture mechanics
- Performing a sternotomy
- Fluid catalytic cracking, a catalytic process widely used in oil refineries for cracking large hydrocarbon molecules into smaller molecules
- Cracking (chemistry), the decomposition of complex organic molecules into smaller ones
- Cracking joints, the practice of manipulating one's bone joints to make a sharp sound
- Cracking codes, see cryptanalysis
- Whip cracking
- Safe cracking
- Crackin', band featuring Lester Abrams
- Packing and cracking, a method of creating voting districts to give a political party an advantage
In computing:
- Another name for security hacking; the practice of defeating computer security.
- Password cracking, the process of discovering the plaintext of an encrypted computer password.
- Software cracking, the defeating of software copy protection.
