英语语法分析

Methanethiol, furanthiol, pyrazine, trans, trans-2,4-nonadienal and furfuran ketone were used to develop beef flavor.

采用甲硫醇、呋喃硫醇、吡嗪、反-2，4-壬二烯醛和呋喃酮等主要的牛肉香气成分香原料，可以调配出香气逼真的炖牛肉香精。

Methanethiol (CH_3SH) is an important chemical raw material and common organic intermediate.

甲硫醇(CH_3SH)是一种重要的有机化工原料和常用的有机中间体。

Removal characteristics of hydrogen(H2S), dimethyl and methanethiol by peat tower inoculated with mixed strains were observed.

研究了混合菌种接种到泥炭填料塔后，去除混合硫系恶臭H_2S、甲硫醚和甲硫醇的情况。