alder
?? 發布時間：2026-06-29 22:28:39
英[??:ld?(r)]||||||美[??ld?]
- 1 . Modification for synthetic purposes on the Diels - Alder adducts 56 and 62 has only rarely been considered.
- 為了達到合成的目的,對Diels-Alder加 成物(56)和(62)加以改造的問題很少有人考慮.
來自辭典例句
- 2 . Diels — Alder reaction is one of the important research content in the fields of organic chemistry.
- Diels—Alder反應是目前有機化學領域重要研究內容之一.
來自互聯網
- 3 . Activated olefinic bond Amine, thiol radical initiator, cationic initiator, dienes ( Diels - alder reactive ).
- 活性烯鍵胺, 巰基,引發劑, 陽離子引發劑, 烯烴 ( 的Diels-Alder反應 ).
來自互聯網
- 4 . They were principally used to catalyze aldol, allylation, Diels - Alder, ene and Friedel - Crafts reactions.
- 它們主要被用來催化Aldol, 烯丙基化, Diels-Alder, Ene和 Friedel -Crafts等反應.
來自互聯網
[!--filename--]
托福考試,英語單詞,1
英[??:ld?(r)]
美[??ld?]
- n.榿木
網絡解釋.赤楊木；榿木；赤楊；榿木類
詞形變化:
復數：alders
雙語例句
- 1 . Modification for synthetic purposes on the Diels - Alder adducts 56 and 62 has only rarely been considered.
- 為了達到合成的目的,對Diels-Alder加 成物(56)和(62)加以改造的問題很少有人考慮.
來自辭典例句
- 2 . Diels — Alder reaction is one of the important research content in the fields of organic chemistry.
- Diels—Alder反應是目前有機化學領域重要研究內容之一.
來自互聯網
- 3 . Activated olefinic bond Amine, thiol radical initiator, cationic initiator, dienes ( Diels - alder reactive ).
- 活性烯鍵胺, 巰基,引發劑, 陽離子引發劑, 烯烴 ( 的Diels-Alder反應 ).
來自互聯網
- 4 . They were principally used to catalyze aldol, allylation, Diels - Alder, ene and Friedel - Crafts reactions.
- 它們主要被用來催化Aldol, 烯丙基化, Diels-Alder, Ene和 Friedel -Crafts等反應.
來自互聯網