优选词，正式主题词
Grain
定义
某概念特定涵义的完全解释- 1. The traditional unit of mass derived from the weight of a grain and equal to one seven-thousandth of a pound, or 1/480 troy ounce, or 64.79891 milligrams. The original English grain unit based on the mass of a ripe grain barleycorn was larger the corresponding grain units of France and other European nations which were based on the weight of the smaller wheat grain. (Ontobee, NCI Thesaurus OBO Edition). 2. The grain is a unit of mass defined as 6.479891e-5 kilogram. (Ontobee, http://www.ontology-of-units-of-measure.org/resource/om-2/grain ). 3. Any kind of grain, which is part of a grain structure of a metallic material (MatPortal, BWMD Domain Ontology).
上位概念
上位概念其它语言
其它语言中概念术语- Grain
英语
URI
https://purls.helmholtz-metadaten.de/skosmos/sdv/Grain