lähtematerjal

Terminological databases

ID 687219 Last modified 30.12.2004

Domain Biology - Biotechnology

lähtematerjal

parental material

lähtematerjal

Usage examples

Kaitsealust sorti võib kasutada ilma omaniku poolt väljastatava litsentsita: 1) teaduslikus uurimistöös ja sordi võrdlemise eesmärgil läbiviidavates riiklikes katsetes; 2) lähtematerjalina aretustöös uute sortide loomisel; 3) oma tarbeks ja mittetulunduslikel eesmärkidel.

parental material

ID 697104 Last modified 30.12.2004

Domain working parties - committees - groupsradioactive materialsapplied nuclear science

lähtematerjal

source material preferred

feed material

uranium containing the mixture of isotopes occurring in nature; uranium whose content in uranium 235 is less than the normal; thorium; any of the foregoing in the form of metal, alloy, chemical compound or concentrate;

lähtematerjal

source material preferred

Usage examples

Nuclear fission fuels are classified as fertile or fissile by the behaviour or their nuclei in fission reactions. The fertile fuels are those whose nuclei, if they react with a neutron, will be likely to capture it and undergo transmutation into the nuclei of fissile fuels. Uranium-238 is them most commonly used fertile fuel. It decays on absorption of a neutron and loss of a beta-particle into plutonium-239.

feed material

Inflection Type 19

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