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国际纯粹与应用化学联合会(IUPAC)是世界上最大的、最有权威性的国际性化学组织。它每年都要组织三十多个较大型的国际会议,由它公布的一些材料得到世界各国化学界的承认,如原子量表、化学名词等。
The International Union of Pure and Applied Chemistry (IUPAC) is the world’s largest and most authoritative international chemical organization. It organizes more than 30 large-scale international conferences each year. Some of the materials it publishes are recognized by the chemical world, such as atomic scales and chemical terms.