1. 复分解：较新的发展有复分解(metathesis),这是利用乙烯与丁烯生产丙烯的烯烃互变(interconversion)技术,以及甲醇制烯烃(MTO)法,可使丙烯产量提高到总产量的45%.
2. 置换：日本、韩国、新加坡等国的烯烃置换(metathesis)新工艺装置开始投入运行. 国家石油公司(NOC)、跨国石油公司(IOC)和油田服务公司(OFS)是石油工业的最主要的参与者. 针对国家石油公司,有专家把其分为两类,一类是生产国的国家石油公司,
3. 语音易位：metarule 律上律 [元规则] | metathesis 语音易位 | Microlinguistics 微观语言学
1. The Nobel Prize committee honored the laureates for their findings in metathesis, which focuses on how chemical bonds are broken and made between carbon atoms.
2. The trio won the award for their development for the metathesis method in organic synthesis.
noun
1. a chemical reaction between two compounds in which parts of each are interchanged to form two new compounds (AB+CD=AD+CB)
Synonym: double decomposition double decomposition reaction
2. a linguistic process of transposition of sounds or syllables within a word or words within a sentence