親核性 的英文怎麼說

中文拼音 [qīnxìng]
親核性 英文
nucleophile
  • : 核構詞成分。
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  1. A number of central properties of this verbal particle and issues related to the phenomena of causativity and unaccusativity are explored with particular reference to the aspectual properties of the v - can predicates

    特別是通過對v謂詞的體貌屬相關問題的探? ,本文討?這個動詞詞素的?個心屬以及它們與使動與非賓格結構相關的現象。
  2. In 1984, dr. chou began the study of deprotonation substitution reaction of 3 - sulfolene and developed the reaction to an ideal methodology of using 3 - sulfolene as the precursor for butadienyl - 1 - anion

    在合成上的應用,成功的驗證它們可當成共軛雙烯的親核性,或的對等物
  3. Unicolor and lilium asiatic hybrids or cultivars in lilium asiatic hybrids were researched with their parents by karyotype, soluble protein, esterase isoenzyme and peroxidase isoenzyme. the results provided identification markers of cytology and biochemistry for hybridization at the early stage in lily breeding programs. the cluster analysis according to similarity coefficient of soluble protein and peroxidase showed that " yellow " and " omega " have the most closest relation in lilium asiatic hybrids

    本研究對百合屬幾個植物的緣關系進行了可溶蛋白質、過氧化物酶同工酶分析,同時對亞洲百合雜交系內雜交及其與原種系間的雜交後代進行了型、可溶蛋白質、過氧化物酶和酯酶同工酶分析,以期為百合屬植物緣關系分析提供生化依據,以及為雜交後代的早期鑒定提供細胞學、生化水平的檢測指標。
  4. The most general means of generating carban nucleophiles involves removal of a proton from a carbon.

    從碳原子上移走一質子,是產生親核性碳的最普通手段。
  5. Using a novel approach based on the measurement of the ratio of such rna molecules copied from gene copies which the fetus has inherited from the father and mother, professor lo and his team have achieved the noninvasive prenatal detection of downs syndrome

    盧煜明教授率領的研究組利用第二十一號染色體其中的一個基因所表達的酸( rna )分子,精密地計算出胎兒由父及母遺傳下來的酸分子的比例,成功進行無創產前唐氏綜合癥測試。
  6. In order to explore the seedless mechanism of ponkan ( citrus reticulata blanco ), new seedless ponkan cultivar lipeng no. 2 and common seedy ponkan cultivar were used as materials for observing fertility and compatibility of male and female gametophyte

    摘要為系統探明?柑無發生的機制,以無?柑新品種麗? 2號和普通有?柑為試材,對雌雄配子體的育進行了觀察。
  7. The recombinant plasmid was identit1ed with restriction endonuclease, pcr, then sequenced. the resuit of sequence analysis showed that the vp3 gene is 1605bp and inc1uds a complete open reading frame encoding a protein of 534 amino acids. the hl isolate shares 98. 5 % and 98. 3 % identity with b isolate at nucieotide and amino acid levels respectively

    結果表明:鵝細小病毒h1分離株vp3基因全長1605bp ,編碼534個氨基酸,只有一個完整的開放閱讀框架,與國外已發表的鵝細小病毒b株苷酸序列同源為98 . 5 ,氨基酸序列同源為98 . 3 ,表明這二個毒株緣關系相近。
  8. By virtue of their different chemical properties, some amino acids are attracted to each other ( for example, oppositely charged amino acids ) and so will associate ; other amino acids will try to avoid water ( because they are greasy ) and so will drive the protein into a compact shape that excludes water from contacting most of the amino acids that " hide " in the core of this compacted protein

    由於氨基酸各不相同的化學屬,有些氨基酸會因為互相吸引(比如電荷相反的氨基酸)會連接在一起;還有些氨基酸因為不水(因為它們是油的) ,它們就會驅使蛋白質形成一個緊湊的形狀,以至於不讓水碰到藏在蛋白質心中的氨基酸。
  9. The cdna of subunit b was 1470 nucleotides long coding for 489 amino acids with a conservative atp binding site " 324 - sgsit - 328 " and a predicted molecular mass of 54. 29 kda. amino acid sequence alignment analysis suggested that the v - h + - atpase b subunit of s. salsa had high homology with other reported v - h + - atpase subunit b. the h + - atpase subunit h from s. salsa was a hydrophilic protein with 465 amino acids and a predicted molecular mass of 52. 8 kda, which was encoded by a cdna with 1398 nucleotides in orf. blast analysis indicated that the h + - atpase subunit h from s. salsa had a high amino acid sequence identity with those coming from plants, but had relatively low sequence identity with those coming from other species

    鹽地堿蓬液泡膜h ~ + - atpaseb亞基是由1470個苷酸編碼的長達489個氨基酸的多肽,分子量約54 . 29kda ,存在保守的atp結合序列「 324 - sgsit - 328 」 ,與其他物種來源的v - h ~ + - atpaseb亞基具有較高的氨基酸序列相似; h亞基為水多肽,開放閱讀框長達1398 - bp ,編碼465個氨基酸殘基,分子量約52 . 8kda ,與植物來源的液泡膜h ~ + - atpaseh亞基具有較高的氨基酸序列相似,而與其他物種來源的v - h ~ + - atpaseh亞基同源較低; c亞基開放閱讀框為495 - bp ,編碼164個氨基酸殘基,分子量約16 . 6kda ,為一跨膜多肽,存在四個可能的跨膜區。
  10. Nucleophilic ring opening reaction of unsymmetric aziridines and its regioselectivity

    非對稱氮雜環丙烷的開環反應及其區域選擇
  11. Nucleophilic aromatic substitution. strategies in the synthesis of multisubstituted benzene derivatives

    親核性芳香取代。多取代苯衍生物合成的策略。
  12. Directing effects in electophilic aromatic substitution. nucleophilic aromatic substitution. strategies in the synthesis of multisubstituted benzene derivatives

    31芳香取代的定位效應。親核性芳香取代反應。合成多取代苯衍生物的策略。
  13. To detect whether crosslinking reaction influence the fluorescence properties of the samples, oxygen - evolving psil core complexes were treated with five crosslinking agents at different concentration, then the chlorophyll fluorescence emission, excitation, and intrinsic fluorescence spectra of these samples were measured. the results showed that both chlorophyll fluorescence and intrinsic fluorescence of oxygen - evolving psil core complexes were altered by the crosslinking reaction. the maximum chlorophyll fluorescence band at 682 nm decreased and the intrinsic fluorescence emission intensity at 308 nm and 328 nm either increased or decreased

    結果表明:交聯處理對psll放氧心復合物葉綠素熒光和內源熒光都有影響,引起682urn處葉綠素熒光強度的降低、 308urn或328urn處蛋白質內源熒光強度的增大或減小,並與處理時所用交聯劑的濃度、交聯劑的疏水和交聯臂長相關。
  14. The study was a massie undertaking : it included hap map genotype data on 700, 000 snps located close to genes, as well as 25, 000 sites interrogated for potential structural ariation to examine copy - number differences, looking at the actiity of 14, 000 genes in 210 unrelated indiiduals

    這項研究是一項宏偉的事業,包括有關700000份定位於這些基因附近的單苷酸多態的人類基因組單體型圖的基因型數據,也包括被鉆研的25000個因蛋白結構變異從而檢測基因拷貝數變異的研究位點同時也觀注著210個無緣關系個體的14000個基因的活
  15. The high titer specific ndrg2 antibody is indispensable to reseach deeply the functions or the tissue and subcellular distribution features of ndrg2, ha order to prepare ndrg2 antibody, the whole ndrgl sequence was cloned into prset - a vector and two truncated sequences of ndrg2 were cloned into pgex - 4t - l vector. after induced by iptg, the fusion proteins were expressed in e. coli ; rabbits immunized with the whole length ndrg2 protein were reinforced with two shortened fragments of ndrg2 ; after immunization, rabbits produced high titer antiserum against ndrg2. then antisemm was absorbed using ndrg2 antigen immobilized on nc filters, the purified product of antiserum shows high special to ndrg2 protein, and the separated inclusion body of 6his - ndrg2 will be useful for the further reseach

    為制備高效價的ndrgz抗體,分別構建了prset a雌、 pgex4t d唾倉和pgex4tl七三種原重組表達質粒,並在大腸桿菌中誘導表達出相應的融合蛋白;用全長gstjqdrgz蛋白免疫兔,然後用gst ndrgz人和gstjqdrgze片段加強免疫,經免疫得到了較高效價的兔抗人ndrz多克隆抗血清,利用固定於硝酸纖維素膜上的ndrgz抗原和吸附純化抗血清,提高了ndrgz抗體的特異;並對包涵體形式表達的6his ndrgz進行初步的分離純化。
  16. When copper exceeds the cellular needs, it is toxic through the production of highly reactive hydroxyl radicals, that have deleterious effects on cellular components including destabilization of plasma membranes and lysosomal membranes

    但是也具有毒,銅可以與一些脂質,蛋白質和酸等物質高地結合,並催化其氧化,所以維持銅濃度在一定的正常范圍很重要。
  17. A series of core - shell nanoparticles with own intellectual property have been prepared, which provides theory for the magnified synthesis of core - shell nanoparticles. in part two, the biocompatibility of the core - shell nanoparticles, including silica nanoparticles, fluorescent silica nanoparticles and silica coated magnetic nanoparticles, have ' been investigated from the angle of in vivo and ex vivo

    第二,從體內和體外兩個角度系統地研究了殼納米顆粒(主要包括二氧化硅納米顆粒( sinp ) 、二氧化硅殼熒光納米顆粒( fsinp )以及二氧化硅殼磁納米顆粒( msinp ) )的生物,證明了該類納米顆粒有很好的生物
  18. In the first part, we observed the changes of expressions of type i receptor of il - 1 in the rat and mouse brain after intraperitoneally administration of different kinds and doses antigens respectively. in the second part including two experiments we cloned rat il - 6r ' s genes by pcr, expressed them in e. coli dh5 a and cos - 7 cell, and produced il - 6r ' s polyclonal antibody which is proved having more high liter, affinity and specificity 1

    第一部分採用不同種類和劑量的抗原刺激,分兩個實驗,觀察了大、小鼠腦內il - 1的i型受體表達的變化,探討了腦內參與免疫調控的團和細胞類型;第二部分分兩個實驗,運用pcr技術克隆了大鼠il - 6r的基因並進行了原和真表達,制備了特異高、和力強和較高效價的抗il - 6r多克隆抗體,為進一步進行il - 6r的研究奠定了基礎。
  19. After receiving approval from the officials, on november 28 the fellow initiates visited the klongphai special treatment facility to provide aid and comfort to about a hundred elderly female prisoners, most of whom had no relatives

    收到klongphai特殊監獄的準函后,同修在11月28日前往該處提供援助,慰問約100位大多無人照顧的年老女獄胞。
  20. Some of the issues we have addressed that have resulted in improvements include adding o scheduler, smp scalable timer, tunable priority preemption and soft affinity kernel patches

    我們已經解決的一些問題在以下方面取得了改善:添加了o ( 1 )調度程序、 smp可伸縮計時器、可調整優先級的優先權和軟補丁。
分享友人