親核體 的英文怎麼說

中文拼音 [qīnhétǐ]
親核體 英文
nucleophile
  • 核 : 核構詞成分。
  • 體 : 體構詞成分。
  1. Abstract : this article reviews recent progress in nucleophilic reactions of the - carbon in vinylidene ruthenium complexes. the nucleophiles include alkene, alkyne, alcohol, acid, amine, water, etc

    文摘:綜述了近幾年釕亞乙烯基絡合物中間體-碳的親核反應。親核試劑包括烯烴、炔烴、醇、酸、胺、水等。
  2. The same phenomenon was observed in interspecific hybridization between chlamys farreri and chlamys nobilis. the karyotypes of adult hybrids and their parents were analyzed and compared. the chlamys nobilis ' s diploid chromosome number is 2n = 32, karyotype consists of 6m + 26t, nf = 38

    對該雜交組合的親本華貴櫛孔扇貝的染色體核型分析表明，華貴櫛孔扇貝雜交扇貝的細胞遺傳學研究共有zn = 32條染色體，核型公式為2n = 32 = 6m + 26t ，染色體臂數nf = 38 。
  3. There are two main types of nuclear division : mitosis, which results in daughter cells identical to their parents ; and meiosis ( reduction division ), which produces daughter cells which have half the number of chromosomes of their parent cells, and in which the genetic material has been recombined

    核分裂有兩種主要的類型：一種為有絲分裂，即子代細胞與親本相同，另一種為減數分裂，其產生的子細胞所含的染色體數為親本染色體數的一半，基因在分裂過程中發生了重組。
  4. Adhering to chinese government ' s policy to encourage the development of the environment - protecting and energy - saving products, taxun is focusing on providing customized products and solutions for the customers to achieve the aim of building energy - saving, prevention of indoor air pollution and both indoor and outdoor static and dirt by introducing the japanese famous brand “ kouzuka ” transparent iruv double cut glass coating and co - manufacturing with japanese sketch the indoor environment purification and super water hydrophile self - cleansing products based on the world ' s top ranking photolysis technology

    公司積極響應國家大力發展環保節能產品，實現經濟可持續發展的號召，在引進日本著名品牌"好瑞佳"透明隔熱塗劑系列產品的同時，與日本擁有世界頂尖核心技術的思凱奇公司共同生產製造基於光觸媒技術的室內環境凈化和超親水自潔系列產品，致力於為客戶提供建築節能、室內有害氣體治理、室內外防污防靜電整體解決方案的設計和實施。
  5. Protoplasted monokapyon ( pm ) were prepared from lentinus edodes strains jingxuan and wuxiang, respectively, intercross process were put in practice

    摘要以香菇菌株精選和武香作為親本制備單核原生質體，將兩個親本的單核原生質體進行一一雜交。
  6. 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親謂詞的體貌屬性相關問題的探? ，本文討?這個動詞詞素的?個核心屬性以及它們與使動與非賓格結構相關的現象。
  7. Chelating and detoxification metal ions are also the focus of many researchers. according to lewis soft - hard acid - base theory, aluminum is the hardest trivancy lewis acid, and polyphenols are lewis base theoretically, they can combine together tightly

    根據lewis軟硬酸堿理論，鋁是三價金屬離子中最硬的lewis酸，而多酚類卻是lewis堿（電子對供體，親核體） ，兩者可以很好的結合。
  8. Study on the pathogenicity of heterokaryon and parental strains of paecilomyces cicadae for aphids

    蟬擬青黴異核體菌株和親本菌株對蚜蟲致病力的研究
  9. 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核糖核酸（ rna ）分子，精密地計算出胎兒由父親及母親遺傳下來的核糖核酸分子的比例，成功進行無創性產前唐氏綜合癥測試。
  10. According to the results of this study, an ideal social support model that helps disadvantaged women to improve their quality of life was suggested : familial supports are the foundation of receiving other social supports ; community supports are in the core of the support system, and play the most strong functions in helping individuals to break away from plight ; market resources and occupational supports are the path that leads to a new life ; relatives, neighbors, friends and colleagues are the promoters of their interests, who form the basis of an individual ' s social support over the life course ; social security is the last support network that helps disadvantaged women to meet their basic needs in life

    根據研究結果，我們提出了一個有助於改善弱勢婦女群體生活狀況的理想社會支持模式：家庭支持是基礎，是獲取各種社會支持的出發點和歸宿；社區支持是支柱，是整個支持系統的核心部分，它發揮著最強大的作用；市場資源和職業支持是承重梁，承載著新生活的希望，是擺脫困境的重要途徑；親戚、鄰居、朋友、同事等是護航者，發揮著保駕護航的作用；社會保障是這個支持系統的最後一張安全網，它的健全完善將能為廣大弱勢婦女群體起著遮風避雨的作用。
  11. In the case of the unsaturated alcohols, such as hydroxyethyl acrylate ( hea ), the paes showed the photo - alignment property to the nematic liquid crystals with the pretilt angle of 0. 60 ? secondly, three kinds of fluoro - containing diamine monomers were prepared via the reduction reactions of the corresponding dinitro compounds, which were synthesized via the nitro nucleophilic displacement reactions of 3, 5 - dinitro - 5 - trifluoromethyl benzene with diphenol compounds

    此外，本論文還設計並通過3 ， 5 -二硝基三氟甲苯與二酚化合物的硝基親核取代反應制備了二硝基化合物，將其還原最終合成了三種間位取代的含氟二胺單體tfpda 、 tfbpda與tfmda ，並對其聚合行為進行了研究。
  12. The modified sequence was cloned into binary vector pbi121. the constructed expression vector was named pbi121 - bar, then transferred into agrobacterium tumefaciens lba4404 by triparental crossing. thus the project bacterium has been successfully constructed

    改造后的目的基因克隆于真核表達載體pbi121 ，構建表達載體pbi121 - bar ，通過三親雜交法將真核表達載體pbi121 - bar轉入農桿菌lba4404 ，成功構建出工程菌。
  13. 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?柑無核發生的機制，以無核?柑新品種麗? 2號和普通有核?柑為試材，對雌雄配子體的育性和親和性進行了觀察。
  14. Mirtazapine was prepared by a seven - step reaction, namely nucleophilic ring - opening reaction, chlorination, cyclization, uncleophilic substitution, hydrolysis, reduction and cyclization from styrene oxide and n - methylethanolamine as the starting materials, with overall yield of 22. 6 %

    摘要以環氧苯乙烯和n -甲基乙醇胺為起始原料，經親核開環、氯代和環合反應得到中間體1 -甲基3 -苯基哌嗪。
  15. 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核苷酸多態性的人類基因組單體型圖的基因型數據，也包括被鉆研的25000個因蛋白結構性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個無親緣關系個體的14000個基因的活性。
  16. 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七三種原核重組表達質粒，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抗原親和吸附純化抗血清，提高了ndrgz抗體的特異性；並對包涵體形式表達的6his ndrgz進行初步的分離純化。
  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核殼納米顆粒（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 ）以及二氧化硅殼磁性納米顆粒（ msinp ） ）的生物親和性，證明了該類納米顆粒有很好的生物親和性。
  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核團和細胞類型；第二部分分兩個實驗，運用pcr技術克隆了大鼠il - 6r的基因並進行了原核和真核表達，制備了特異性高、親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. Karyotype analyses could be used for evidence of hybridization with obvious difference of parental chromosomes, chromosomes characteristic of both parents were observed in l. davidii var. unicolor x ' yellow ' and l davidii var. unicolorx " cordelia "

    對于染色體結構差異顯著的親本雜交，可以通過核型分析進行雜種鑒定，蘭州百合黃色及蘭州百合克得利亞的後代中都能發現親本的特徵染色體。
  20. Analysis of phytogenies and relationships among phytoplankton using sequences of the ribosomal dna ( rdna ) sequences are important complements for the traditionally morphological identification, and can sometimes give researchers valuable results

    利用核糖體dna （ rdna ）序列對浮游植物進行親緣關系分析和系統學研究往往會獲得許多有價值的研究成果，已成為傳統形態學鑒定的重要補充手段。
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