環取代的 的英文怎麼說

中文拼音 [huándàide]
環取代的 英文
cyclosubstituted
  • : Ⅰ名詞1 (環子) ring; hoop 2 (環節) link 3 (姓氏) a surname Ⅱ動詞(圍繞) surround; encircle;...
  • : Ⅰ動詞1 (拿到身邊) take; get; fetch 2 (得到; 招致) aim at; seek 3 (採取; 選取) adopt; assume...
  • : Ⅰ動詞1 (代替) take the place of; be in place of 2 (代理) act on behalf of; acting Ⅱ名詞1 (歷...
  • : 4次方是 The fourth power of 2 is direction
  1. Elimination of an alkyl chain substituted on an aromatic ring results in the appearance of free radicals.

    在一芳香上一個烷鏈消失,結果出現自由基。
  2. Process on the synthesis of substituent aryl boronic acid compounds

    硼酸化合物合成進展
  3. Unless channel designs which provide ecological mitigation are adopted as the standard, this process is simply substituting ecological capital stock for assimilative capital stock

    除非渠道設計必須做到提供生態標準,否則這個過程只會具吸納能力生態資產。
  4. Bridged bicyclooctanes gave no significant bridgehead substitution.

    橋二辛烷不給出有意義橋頭
  5. Carbasugars, carbocyclic analogues of true sugars, are compounds in which the ring - oxygen of furanoid or pyranoid sugars is replaced by methylene group

    摘要碳糖是一類呋喃或吡喃糖氧原子被亞甲基后形成糖類似物。
  6. The prefixes cis and trans are frequently applied to disubstituted cycloalkanes.

    詞頭順和反常用於雙烷烴。
  7. A new convenient synthesis of a series of polyfluoroalkyl substituted cyclopropane derivatives was achieved by the reaction of polyfluoroalkyl iodides with diethyl allylmalonate in the presence of sodium dithionite in 45 % ~ 55 % yields

    摘要以連二亞硫酸鈉為引發劑,烯丙基丙二酸二乙酯與多氟烷基碘烷在溫和條件下反應,方便地得到一系列多氟烷基丙烷衍生物,產率45 % ~ 55 % 。
  8. As to the separation of p - xylene / m - xylene, in order to blend polymer hydrophobe with p - cd which is preferential to adsorb p - xylene, etherified p - cd was synthesized using benzyl chloride ( phch2cl ). the influences of etherification conditions on the reaction conversion and the degree of substitution of etherified p - cd were investigated. the reaction conversion increases with the increasing of molar ratio of phcr ^ cl : p - cd and the concentration of p - cd

    對于px mx體系分離,為使對px具有優先絡合能力糊精( cd )能夠與油溶性高分子共混,本文採用williamson合成法運用氯化芐( phch _ 2cl )使-糊精( - cd )醚化,並由元素分析結果,計算出醚化產物度和轉化率,系統地考察了反應條件對轉化率和影響。
  9. Other waste - minimising measures included the re - use of floppy discs through re - formatting, the purchase of rechargeable batteries, the use of environmentally friendly plain paper fax machines, and the provision of electronic greeting cards to replace paper cards

    其他減少廢紙措施包括:將舊磁碟片重新格式化后再用;購買可再充電電池;使用保白紙傳真機;以及提供電子賀卡,紙張賀卡。
  10. Solubilization of substituted indole compounds by - cyclodextrin and carboxymethyl - - cyclodextrin in water

    糊精對吲哚化合物增溶
  11. One of the hydrogen atoms of the active methylene group is replaced with a cyclooxy group.

    活性亞甲基上一個氫原子是被氧基所
  12. Crystal structure and conformational analysis of a substituted tricyclic 1, 5 - benzodiazepine

    一個1 , 5 -苯並二氮雜(艸卓)晶體結構和構象分析
  13. Syntheses of ? ? diimine and 2 - aminopyridine transiting metal complexes bearing 2, 6 - unsym - substituents on the aryl, and investigation on the steric and electronic effects of the unsym - subatituents on the catalytic property

    以2 , 6位不同基團苯胺與相應二酮反應合成系列? ?二亞胺和吡啶胺基過渡金屬配合物。主要考察芳2 , 6位基團立體位阻對催化性能影響,同時也考慮基團推拉電子效應。
  14. The enthalpy change on dsc curve suggests that the transition is one from low - ordered state to a higher - ordered state. a stacking mood that the 4 - trifluoro - methyl - 2, 3, 5, 6 - tetrafluorophenylmserts in between two perylene - macrocycles is confirmed by theoretical quantum calculation, such an insertion effect leads to the inversion of ( 0, 0 ) and ( 0, 1 ) absorption features under low temperature and the dramatic decrease of exciton coupling, which contributes to the spectral similarity in solution and the solid state

    量子化學計算結果支持氟嵌入兩個相鄰?之間分子堆砌方式,使得在常溫到150左右f - ptcdi固體薄膜紫外-可見吸收光譜( 0 , 0 )和( 0 , 1 )性狀強度對比發生「反轉」 ;氟嵌入大大降低激子耦合,使固體吸收光譜性狀與溶液類似。
  15. Irreplaceable marine ecosystems will be destroyed unless we learn to develop environmentally sound aquaculture and slow the man - made acidification of the oceans

    如果我們不學著發展對境無害水產養殖,並減緩人類對海洋酸化影響,無可海洋生態系將會毀滅。
  16. Including : ( 1 ) a face recognition algorithm using support vector machines is introduced. the svm training time is reduced dramatically owing to a fast svm training method which gets support vectors in advance and then uses an iterative and circulative strategy for training. ( 2 ) a twice fingerprint matching algorithm is introduced

    ( 1 )利用支持向量機來實現人臉識別,採用了一種支持向量機快速訓練演算法:即利用svm訓練中只有支持向量起作用特點,採用預先提支持向量和循方法進行svm訓練,大大減小了訓練規模,提高了訓練速度。
  17. The second is the specific function which cannot be replaced by news words, for example : sphere news, some tech - problems, disasters and environmental protection, military and warfare, entertainment, vip images and so on

    第二種是新聞圖片不可獨特作用,包括天體新聞,某些科技問題,災害與保,軍事與戰爭、文體表演,名人形象報道等等。
  18. The synthesis and properties of polyamideimides containing phenyl - substituted phthalazinone moieties

    新型多芳雜萘聯苯型聚芳醚酮合成
  19. Open storage of goods ( excluding scrap yard, waste recycling and dangerous goods as defined in section 2 of the dangerous goods ordinance ( cap. 295 ) or any enactment amending the same or substituted therefor ) ; or

    露天存放貨物(不包括用作廢鐵場;進行廢物循再造以及存放《危險品條例》 (第295章)第2條或任何予以相關修訂或法例所界定危險品) ;或
  20. Open storage of the tenant s goods ( excluding aggregates, scrap yard, waste recycling, livestock, licensed or unlicensed motor vehicles, containers, scrap vehicles and dangerous goods as defined in section 2 of the dangerous goods ordinance ( cap. 295 ) or any enactment amending the same or substituted therefor ) ; or

    露天存放承租人貨物(不包括存放碎石、作廢料場、進行廢物循再造、存放禽畜、領有或未領有牌照汽車、貨櫃、廢車以及《危險品條例》 (第295章)第2條或任何予以相關修訂或法例所界定危險品) ;或
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