親核基 的英文怎麼說

中文拼音 [qīn]
親核基 英文
nucleophilic
  • : 核構詞成分。
  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絡合物中間體-碳的反應。試劑包括烯烴、炔烴、醇、酸、胺、水等。
  2. Diazaspiro [ 4. 4 ] nonane was synthesized from malononitrile as the starting material by a series of nucleleophilic displacement, hydrolytic cyclization and carbonyl reduction

    摘要以丙二腈為原料,經過取代、水解環合、羰還原系列反應,合成了2 , 7 -二氮螺[ 4 . 4 ]壬烷。
  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

    分裂有兩種主要的類型:一種為有絲分裂,即子代細胞與本相同,另一種為減數分裂,其產生的子細胞所含的染色體數為本染色體數的一半,因在分裂過程中發生了重組。
  4. Many groups can be added by nucleophilic substitution on a diazonium salt.

    許多團可通過向得自膠的重氮鹽作取代而加以導入。
  5. 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心技術的思凱奇公司共同生產製造於光觸媒技術的室內環境凈化和超水自潔系列產品,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。
  6. Recently, we know the number of muntjac deer chromosomes varies from 6 to 48, and there are karyotypic polymorphism intra - species relationships. these animals are extremely useful for phylogenetic studies. in order to discuss the phylogenetic relationships of muntiacinae, we have studied the nuclear gene sequence of muntiacus muntjak, muntiacus crinifrons, muntiacus reevesi, and elaphodus cephalophus

    為了探討麂亞科動物間的緣關系,本論文以赤麂( muntiacusmuntjak ) 、黑麂( muntiacuscrinifrons ) 、小麂( muntiacusreevesi )和毛冠鹿( elaphoduscephalophus )這4種麂亞科動物為材料,以因序列為研究對象,作進一步的研究。
  7. Modern paternity system that originated from roman law and germanic law regards protection for under - aged children ' s interests as its core, which refers to such parents " rights and obligations to under - aged children as custodial, education and protection in personal and property aspects in view of identities

    源於羅馬法和日爾曼法的現代權制度,是以保護未成年子女的利益為心的,它是父母於其身份對未成年子女在人身和財產方面的管教、保護的權利和義務。
  8. 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,成功進行無創性產前唐氏綜合癥測試。
  9. 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;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。
  10. 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 -二硝三氟甲苯與二酚化合物的硝取代反應制備了二硝化合物,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。
  11. 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

    改造后的目的因克隆于真表達載體pbi121 ,構建表達載體pbi121 - bar ,通過三雜交法將真表達載體pbi121 - bar轉入農桿菌lba4404 ,成功構建出工程菌。
  12. Four japonica restorer lines with the restoring genes for the genetic - cytoplasmic male sterility including jijing 85, ji 524, e180 and e385 have been successfully developed through the breeding method of recurrent selection, using eight japonica ptgms lines and 28 elite japonica varieties or lines selected from the north cold rice growing area in china as the breeding materials

    摘要利用8份光溫敏不育粳稻材料及28份北方寒冷稻作區優良粳稻品種(系)作為原始本開展輪回選擇育種,育成了吉梗85 、吉524 、 e180和e385等4個具有三系恢復因的粳型恢復系。
  13. Autograph, fill in application form ; the simplest certificate : id reachs xerox, wage income proves ; overdraw the forehead spends : prove check and ratify according to offerred financial capacity ; now basically credit card does not collect fees, consume the first year 6 - 8, can derate second annual fee

    筆簽名,填寫申請表;最簡單證件:身份證及復印件,工資收入證實;透支額度:根據提供的財力證實定;現在本上信用卡都不收費的,第一年消費6 8次,可以減免次年年費。
  14. 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因全長1605bp ,編碼534個氨酸,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株苷酸序列同源性為98 . 5 ,氨酸序列同源性為98 . 3 ,表明這二個毒株緣關系相近。
  15. 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

    由於氨酸各不相同的化學屬性,有些氨酸會因為互相吸引(比如電荷相反的氨酸)會連接在一起;還有些氨酸因為不水(因為它們是油性的) ,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酸。
  16. You will witness the birth of a new fusion - based energy source

    .你們將眼見證這種以聚變為礎的新能源技術的誕生
  17. . . you will witness the birth of a new fusion - based energy source

    . . .你們將眼見證這種以聚變為礎的新能源技術的誕生
  18. 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 -甲乙醇胺為起始原料,經開環、氯代和環合反應得到中間體1 -甲3 -苯哌嗪。
  19. 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亞是由1470個苷酸編碼的長達489個氨酸的多肽,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亞具有較高的氨酸序列相似性; h亞水多肽,開放閱讀框長達1398 - bp ,編碼465個氨酸殘,分子量約52 . 8kda ,與植物來源的液泡膜h ~ + - atpaseh亞具有較高的氨酸序列相似性,而與其他物種來源的v - h ~ + - atpaseh亞同源性較低; c亞開放閱讀框為495 - bp ,編碼164個氨酸殘,分子量約16 . 6kda ,為一跨膜多肽,存在四個可能的跨膜區。
  20. Treatments of pyrylium salts with various nucleophilic reagents allows the production of a host of functionalized derivatives.

    如果各種試劑與吡喃鹽反應,就可制取許多種帶官能的衍生物。
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