芳香族物質 的英文怎麼說

中文拼音 [fāngxiāngzúwùzhí]
芳香族物質 英文
aromatic substance
  • 芳 : Ⅰ形容詞1. （香） fragrant; sweet-smelling2. （美好的） good （name or reputation）; virtuous Ⅱ名詞（姓氏） a surname
  • 香 : Ⅰ形容詞1 （氣味好聞） fragrant; sweet smelling; aromatic; scented:稻香千里 the fragrance of ripen...
  • 族 : 名詞1 （家族） clan 2 （古代的一種酷刑） a death penalty in ancient china imposed on an offender ...
  • 物 : 名詞1 （東西） thing; matter; object 2 （指自己以外的人或與己相對的環境） other people; the outsi...
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 芳香 : fragrant; aromatic; sweet fragrance
  • 物質 : matter; substance; material
  1. Uses : used as desizing agent and bleach activator ； used in the oxidation and degradation of waste materials in pools and the closed and circling water ； used in modification of starch, production of bonds and coating materials ； used in the oxidation of alcohol and linalool ； used as an essential component of bleaching formulations for hair cosmetics

    用途：用於脫漿劑和漂白活性劑；用於水池及封閉循環處理水中有害物質的氧化降解；是生產澱粉的調節劑，並應用於粘合劑的塗料生產中；用於支鏈氧化、乙醇和芳香族羥基氧化；染發劑的基本成分之一，起脫色作用。
  2. The biochemical reaction in liquor - making mainly included the degradation of macromolecular substances such as the degradation of amylum and protein, the biochemical changes of micromolecular substances such as glycolysis of glucose ( emp approach ) and reconvertion of pyruvic acid, and the formation of flavoring substances such as the production of higher organic alcohol, maillard reaction, and the formation of aromatic compounds

    白酒釀造過程中的生物化學反應主要包括：大分子物質的降解，如澱粉的降解和蛋白質的降解；小分子物質的變化，如葡萄糖的酵解（ emp途徑）和丙酮酸的再轉化；香味物質的生成，如高級有機醇生成、美拉德反應和芳香族化合物的形成。
  3. Fifty - one and nineteen compounds were detected respectively from the volatile extracts of the fossils from miocene leaves of metasequoia glyptostroboides and early cretaceous seed cone of pityostrobus spp. by gas chromatography - mass spectrometry ( gc - ms ) analysis

    摘要採用氣相色譜質譜聯用分析技術從中新世水杉葉片和白堊紀松型球果兩種裸子植物化石中分別鑒定了51個和19個揮發性成分，類型涉及烷烴、烷烯、烷醇、長鏈脂肪酸及其酯、鄰苯二甲酸酯、菇類和芳香族化合物。
  4. Decontamination works for heavy metals and pah are carried out on site

    針對重金屬及多環芳香族碳氫化合物物質的除污工作是在施工地盤內進行的。
  5. The results showed that in scco2 cyclotrimerization of terminal acetylenes was carried out smoothly to regioselectively afford the corresponding benzene derivaties using pdbr2 as the catalyst

    研究結果表明：二氧化碳介質中使用溴化鈀為催化劑可以順利地催化炔烴發生環三聚反應，區域選擇性生成含苯環芳香族化合物。
  6. When both genes were co - expressed in e. coli, the activity of ppsa varied from 2. 1 - 9. 1 fold comparing to control, but the activity of tkta was relatively stable ( 3. 9 - 4. 5 fold ). whatever the two genes were expressed respectively or cooperatively, both could promote the production of dahp, the first intermediate of the common aromatic pathway, but co - expression was more effective on forming dahp and screened ppt - and ptp - as more effective. the results demonstrate that co - expression of ppsa and tkta can improve the production of dahp, and what ' s more, when multigenes co - expressed, the recombinant which has coordinated enzymes activity is optimum

    莽草酸途徑的最優化和整體調控基因csra的敲除正是上述改變的分子基礎，同時也為三種芳香族氨基酸的基因工程菌的構建打下了基礎; 7 .在國內外首次實現了共同途徑限制性底物關鍵酶ppsa刁無『及arog與分支途徑關鍵酶基因phea的串聯高效表達，所構建的重組質粒ptga ，其ppsa 、 tkta 、 arog 、 cm和pd的酶活分別比對照提高了3 、 2 、 2 ， 5 、 4 、 2 . 3倍，且其酶活比較協調一致; 8 .將ptga導入到篩選的基因敲除和基因替換菌株大腸桿菌31884 c甲b中，搖瓶發酵證實比以往所構建的基因工程菌株具有較高的phe產量和糖轉化率率，分別為0 . 448 %和22 . 4 % 。
  7. The application of transketolase for industrial purpose, such as production of ethanol, biosynthesis of aromatic amino acids and enantiotopic chemicals were reviewed

    本文綜述了該酶的工業生產及應用領域，如乙醇生產，芳香族氨基酸和手性物質的生物合成等。
  8. For the project " reclamation works in north tsing yi ", some of the contaminants found within the site are classified as carcinogenic, eg. some heavy metals, pah and polychlorinated biphenyl ( pcb )

    至於「北青衣區填海工程」 ，在施工地點發現的污染物中有一些可被歸類為致癌物質，例如一些重金屬，多環芳香族碳氫化合物及多氯聯苯。
  9. It will melt in a certain range of melting points, but it has no definite melting point. soft pitch has no thermal effect when solidified

    瀝青組分極為復雜，大多數為三環以上的芳香族烴類，還有含氧、氮和硫等元素的雜環化合物和少量高分子炭素物質。
  10. For the project " central reclamation phase iii ", there are carcinogenic substances ( eg. some heavy metals and organic polyaromatic hydrocarbons ( pah ) ) identified in the dredged materials

    關于「中區填海第三期」 ，我們在挖出的物料中發現一些致癌物質（例如一些重金屬及多環芳香族碳氫化合物） 。
  11. One set of composition analysis method was erected for biomass gasification tar, in which tar samples are separated into aliphatics, aromatics, ester, polar and aspheltenes fractions of increased polarity by one kind of chromatography, and gc / ms is used for the characterization of each fraction except aspheltenes

    層析將焦油樣品分離為脂肪類、芳香類、酯類、極性物、瀝青質五個不同極性的族分，然後再對各族分採用gc - ms分別進行定性和定量分析，並最終獲得焦油的主要組成信息。
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