nickel steel
(historical) A smallish suspended bell used in medieval monastic cloisters.
(organic chemistry) The bicyclic heterocycle formally derived from chromane by replacing the oxygen atom by one of sulfur
(organic chemistry) A lipid-like amino acid that has antibiotic activity
(chemistry, industrial) steel that contains approximately 6% of nickel, increasing its strength
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DiQt（ディクト）
無料
★★★★★★★★★★
