secondary alcohol 中文意思是什麼

secondary alcohol 解釋
第二醇
  • secondary : adj 1 第二(位)的,第二次的;中級的 (opp primary)。2 副(的);從屬的;附屬的;輔助的;補充的...
  • alcohol : n. 1. 【化學】醇;乙醇,酒精。2. 含酒精飲料。
  1. Beverage alcohol advertising should not be placed on any outdoor stationary location within five hundred ( 500 ) feet of an established place of worship or an elementary school or secondary school except on a licensed premise

    除了領有特許證的場地,室外固定式的廣告牌不應當放置在距離宗教場所或中、小學150米內。
  2. The gc - ms analysis indicated that the principal constituent of the volatile oil was alkyl - alcohol and alkene compound ( account for 62 ~ 78 percent of the total ), the content of saturation hydrocarbon and organic acid was in the secondary place

    揮發油的gc - ms分析表明:川白芷揮發油的主要成分是烷醇類和碳烯類化合物,含量較高,約占整個揮發油的62 78 ,其次為飽和烴類與有機酸類。
  3. The main results are : supersonic region and subsonic region can co - exist in flow path simultaneously, subsonic flow is insignificance for engine performance ; total pressure of primary rocket should be decreased when mach number is increased. in the experimental aspect, some components of ejectorjet experimental system were improved, ejectorjet experiments using alcohol as secondary fuel were conducted

    由數值計算獲得的結論為:引射火箭內的一般流態為超音速區與亞音速區共存,亞音速區不具備做功能力;飛行馬赫數增大,引射火箭內更易於產生壅塞;為了獲得最佳的性能,隨著飛行馬赫數的提高,應當降低一次火箭的工作壓強。
  4. Secondary metabolities remained in residue after extracting artemisinin may have effects on wheat seeds germination and seedling growth. wheat seeds were treated with the solution of alcohol extract of the residues

    青蒿在提取青蒿素后,其浸膏中仍含有種類豐富的次生代謝物質,有些物質可能對種子的萌發和幼苗的生長有影響。
  5. As an important intermediate of chemical reaction, alcohol, especially secondary alcohol, plays an important in industrial production, medicine synthesis and daily living

    摘要醇類化合物尤其是仲醇類化合物是重要的反應中間體,在工業生產、藥物生產以及日常生活中都有重要用途。
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