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- 維生素H', 對氨基苯甲酸vitamin H'
- 前previous
- 前維生素previtamin
- 前維生素Aprovitamin A
- 前維生素Hprevitamin H
- 在27.5℃、光照和保濕培養條件下,PDA、 CaA和V8A培養基產(chǎn)孢較多,CDA或CDA+維生素H培養基的產(chǎn)孢量比上述幾種培養基產(chǎn)孢少。The test results showed: on PDA + 1%25 yeast extract, CaA + 0.5%25 yeast extract (CYA), PDA , CaA, and V8A media the conidia were produced abundantly .
- 前的prevenient
- 前維生素D3PreD3; previtamin D3
- 向前onward
- 并以(+)-乳醇為起始物,經(jīng)過(guò)加成、甲基磺?;?、環(huán)合,熱分解、氧化和還原六步反應,對映選擇性地合成了脫氧維生素H的重要中間體(2S,3R,4S)-2-正戊基-3,4-二羥基四氫噻吩。(2S,3S,4R)-2-n- pentyl-3,4-dihydroxy tetrahydrothiofuran is synthesized from (+)-lactol by six steps: addition, sulfonylation by TsCl, cyclization, flash decomposition, oxidation and hydrogenation.
- 前幾天the other day
- 前一Before
- 在前forward
- 前一個(gè)previous
- 往前along
- 前維生素A[醫] previtamin A; provitamin A
- 前日eve
- 前文preamble
- 前頁(yè)preceding page
- 前置preposing