芳香族分子 的英文怎麼說

中文拼音 [fāngxiāngfēnzi]
芳香族分子 英文
aromatic molecule
  • : Ⅰ形容詞1. (香) fragrant; sweet-smelling2. (美好的) good (name or reputation); virtuous Ⅱ名詞(姓氏) a surname
  • : Ⅰ形容詞1 (氣味好聞) fragrant; sweet smelling; aromatic; scented:稻香千里 the fragrance of ripen...
  • : 名詞1 (家族) clan 2 (古代的一種酷刑) a death penalty in ancient china imposed on an offender ...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
  • 芳香 : fragrant; aromatic; sweet fragrance
  1. The results show that the chemosensor exhitits selective fluorescent quenching in the presence of aromatic organic acid in acetonitrile solution, and that the binding ability of the chemosensor with organic acid is in the order of p - cyanic - benzyl acid > p - chloric - benzyl acid > p - methoxyl - benzyl acid > benzyl acid

    結果表明,所合成的熒光在乙腈溶液中能選擇性識別有機酸,表現出熒光淬滅現象,其與有機酸絡合能力的大小依次為:對氰基苯甲酸對氯苯甲酸對甲氧基苯甲酸苯甲酸。
  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:大物質的降解,如澱粉的降解和蛋白質的降解;小物質的變化,如葡萄糖的酵解( emp途徑)和丙酮酸的再轉化;味物質的生成,如高級有機醇生成、美拉德反應和化合物的形成。
  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析技術從中新世水杉葉片和白堊紀松型球果兩種裸植物化石中別鑒定了51個和19個揮發性成,類型涉及烷烴、烷烯、烷醇、長鏈脂肪酸及其酯、鄰苯二甲酸酯、菇類和化合物。
  4. Quinic acid is one of aromatic small compounds, it has widely been used as the important raw material in the fields of medicine, food and chemical industry

    奎尼酸是重要的化合物之一,在醫藥、食品、化工領域有著廣泛的應用。
  5. The fluorescence spectra of the conjugationed polymer containing of n - ( a - naphthyl ) carbazole show that the emission sprctra in aromatic solvents are more red - shifted than that in aliphatic solvents although these solvents have the same polarity. the fluorescence chatacteristics were different from th e n - ( a - naphthyl ) carbazole ' s. the fluorescence of the conjugationed polymer can be quenched by electron donors and cm and cannot be quenched by electron acceptors

    對含有n - ( -荼基)咔唑基團的共軛高聚物,它在溶劑中的熒光發射比非溶劑中明顯紅移,也不具有n - ( -萘基)咔唑單元所具有的內電荷轉移特性,它的熒光只能被電給體和c _ ( 60 )猝滅而不能被一般的電受體猝滅。
  6. The toxicities of a batch of chlorinated aromatic commpounds to selenastrum ca pricornutum were determined, and relationships between their chemical structure and toxicity data were investigated based on molecular connectivity indices. fur thermore, leave - one - out tests were applied to examine the robustness of the pre diction model

    本文測定了一批氯代化合物對羊角月牙藻的急性毒性,運用連接性指數析了化合物結構與其毒性之間的定量關系,並用逐一抽取法檢驗比較了模型的穩健性
  7. 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基礎,同時也為三種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,別為0 . 448 %和22 . 4 % 。
  8. 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

    瀝青組極為復雜,大多數為三環以上的烴類,還有含氧、氮和硫等元素的雜環化合物和少量高炭素物質。
  9. Otsuka chemical employs an electro - organic synthesis which is a method for easily controlling oxidation - reduction reactions and is applied to selective oxidation reactions, unique reductive reaction and special alkylation of aromatic side chains

    大冢化學的各種化合物在精細化工領域內,作為醫藥中間體、農藥中間體和功能性高原料,是具有各種各樣用途的化合物。
  10. The present article reviews recent advances in synthesis of biodegradable polyesters, which include aliphatic polyester and polyester containing aromatic constituents, by polycondensation from the standpoint of molecular design

    摘要本文從設計的角度,綜述了縮聚法合成生物可降解聚酯的研究進展,涉及脂肪聚酯和含有聚酯的合成。
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