環取代的 的英文怎麼說
中文拼音 [huánqǔdàide]
環取代的
英文
cyclosubstituted- 環 : Ⅰ名詞1 (環子) ring; hoop 2 (環節) link 3 (姓氏) a surname Ⅱ動詞(圍繞) surround; encircle;...
- 取 : 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...
- 代 : 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...
- 的 : 4次方是 The fourth power of 2 is direction
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Elimination of an alkyl chain substituted on an aromatic ring results in the appearance of free radicals.
在一芳香環上一個取代烷鏈的消失,結果出現自由基。Process on the synthesis of substituent aryl boronic acid compounds
取代芳環硼酸化合物的合成進展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環境的標準,否則這個過程只會取代具吸納能力的生態資產。Bridged bicyclooctanes gave no significant bridgehead substitution.
橋二環辛烷不給出有意義的橋頭取代。Carbasugars, carbocyclic analogues of true sugars, are compounds in which the ring - oxygen of furanoid or pyranoid sugars is replaced by methylene group
摘要碳環糖是一類呋喃或吡喃糖環中的氧原子被亞甲基取代后形成的糖類似物。The prefixes cis and trans are frequently applied to disubstituted cycloalkanes.
詞頭順和反常用於雙取代的環烷烴。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代烷在溫和條件下反應,方便地得到一系列多氟烷基取代的環丙烷衍生物,產率45 % ~ 55 % 。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體系的分離,為使對px具有優先絡合能力的一環糊精( 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-環糊精( - cd )醚化,並由元素分析結果,計算出醚化產物的取代度和轉化率,系統地考察了反應條件對轉化率和取代度的影響。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
其他減少廢紙的措施包括:將舊磁碟片重新格式化后再用;購買可再充電的電池;使用環保白紙傳真機;以及提供電子賀卡,取代紙張賀卡。Solubilization of substituted indole compounds by - cyclodextrin and carboxymethyl - - cyclodextrin in water
環糊精對取代吲哚化合物的增溶One of the hydrogen atoms of the active methylene group is replaced with a cyclooxy group.
活性亞甲基上的一個氫原子是被環氧基所取代的。Crystal structure and conformational analysis of a substituted tricyclic 1, 5 - benzodiazepine
一個取代的三環1 , 5 -苯並二氮雜(艸卓)的晶體結構和構象分析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位不同基團取代的苯胺與相應的二酮反應合成系列的? ?二亞胺和吡啶胺基過渡金屬配合物。主要考察芳環2 , 6位基團立體位阻對催化性能的影響,同時也考慮基團的推拉電子效應。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
量子化學的計算結果支持氟取代的苯環嵌入兩個相鄰的?環之間的分子堆砌方式,使得在常溫到150左右f - ptcdi固體薄膜的紫外-可見吸收光譜的( 0 , 0 )和( 0 , 1 )性狀的強度對比發生「反轉」 ;氟取代苯環的嵌入大大降低激子耦合,使固體吸收光譜性狀與溶液類似。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環境無害的水產養殖,並減緩人類對海洋酸化的影響,無可取代的海洋生態系將會毀滅。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的特點,採用預先提取支持向量和循環迭代的方法進行svm訓練,大大減小了訓練規模,提高了訓練速度。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
第二種是新聞圖片的不可取代的獨特作用,包括天體新聞,某些科技問題,災害與環保,軍事與戰爭、文體表演,名人形象的報道等等。The synthesis and properties of polyamideimides containing phenyl - substituted phthalazinone moieties
新型多芳環取代雜萘聯苯型聚芳醚酮的合成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;進行廢物循環再造以及存放《危險品條例》 (第295章)第2條或任何予以相關修訂或取代的法例所界定的危險品) ;或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
露天存放承租人的貨物(不包括存放碎石、作廢料場、進行廢物循環再造、存放禽畜、領有或未領有牌照的汽車、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取代的法例所界定的危險品) ;或分享友人