詞語：pyrazine
pyrazine的解釋
pyrazinen. 吡秦（對二氮雜苯）
pyrazine的意思
pyrazine 吡秦;對二氮雜苯;1,4-二秦;吡【口+井;pyrazolo pyrazine 吡唑並吡秦;galbanum pyrazine 2-甲氧基-3-仲丁基吡秦,;格蓬吡秦;pyrazine flavouring agent 吡秦調味劑;
pyrazine的參考例句
1.Some important pyrazine flavors and their characteristic aromas and the general synthetic methods of pyrazines have been reviewed. 介紹了一些重要的吡秦類雜環香料及各自的特徵香氣，並綜述了此類化合物的一般合成法。
2.The ether soluble compounds of the reaction product were analyzed by GC/MS. The major iden tified compounds were pyrazine and furan compounds. 該反應產物的醚溶性成分經GC／MS分析顯示，其主要成分為吡秦類和夫喃類化合物。
3.The Process of preparing 2 methyl pyrazine by vapor gas phase heterogeneous catalytic reaction of N (β hydroxy propyl) ethylenediamine were studied in this paper. 研究了以Nβ羥丙基乙二胺為原料通過氣固相接觸催化法合成2甲基吡秦的工藝路線。