dnd 中文意思是什麼

dnd 解釋
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  1. Analysis of the sequence revealed that adda resembled nifs of nitrogen - fixing bacteria and dnda. the entire add gene cluster showed 78 % identity to dnd gene cluster from s. lividans

    同源性比較揭示add基因簇的adda基因與固氮酶基因nifs高度同源， add與變鉛青鏈黴菌dnd核苷酸的同一性為78 。
  2. ( 3 ) the system software is designed in uml model ing 1anguage. " l ' he syst em stll1 i c model is designed in category structure, and dynamic model is designcd in ( ) bject a1ternating structure - thi s thesis also states the subsysl em st ruc ture and pr inc iple of task mandger, cdrrier manager, traffic lnilni : tgt. i -, i ( ) lllilnager, communlcat ion manager, dnd path mandger i n cle1i [ i l s

    （ 3 ）使用uml作為建摸語言，設計了各個系統的軟體結構，採用類結構設計建立了系統靜態結構模型，採用對象交互設計方法建立了系統動態結構模型，詳細闡述了任務管理、車輛管理、交通管理、 io管理、通信管理、車輛模擬、路徑管理、圖形監視等子系統的結構和原理。
  3. All rooms are equiped with closed circuit tv, satelite tv, pay movie and mini bar, offers wake - up call, message, laundry and dnd service

    客房設有衛星電視、點播電視和房內小酒吧，開通國際國內直撥電話，可提供叫醒服務
  4. The dnd cluster seemed to express when it was carried by the high copy - number plasmid because complementation of individual dnda, dndb or dndc mutation could be observed and such expression did not seem to influence the normal dnd expression in wild type s. lividans 1326

    而在高拷貝質粒上的dnd基因似乎是李愛英變鉛青鏈黴菌dna異常修飾系統的分子生物學研究能表達的，因為它能紅補分別在dn劇、 dndb和咖jc發生單個基因突變的菌株，而且這種表達似乎也不會影響野生型菌株1326中原有的dnd基因簇的表達。
  5. S. lividans mutant strains zx1 ( dnd cluster deleted ) and zx64 ( dnda disrupted ) had pleiotropic mutations including low mel expression and poor sporulation. it was speculated that dnda together with its downstream dna ( 2. 5kb ) might be involved in these two phenotypes because dnda together with its downstream dna could restore normal sporulation and mel expression to zx64, while dndb and dndc had no such effect because lai and la2 showed no obvious difference in these two phenotypes from wild type s. lividans 1326

    另外通過比較這幾個突變株及野生型菌株在產孢和黑色素基因（ mel ）表達方面的差異，推測dnda及其下游區域與變鉛青鏈黴菌的產孢和刺激外源黑色素基因的表達有關，而dndb和dndc則與之無關，因為la1和la2在這兩種表型上與野生型菌株無明顯差異。
  6. In this study, the suitable parameters for the introduction of plasmids phz1358 and pset152 into s. nanchangensis ns3226 from e. coli were tested for developing an conjugation system for s. nanchangensis ns3226. a dnd gene cluster, which encodes an unknown modification system for 5 hvidans 1326 and renders its dna susceptible to site - specific double - strand dna cleavage during electrophoresis was conjugated from e. coli into s. nanchangensis ns3226

    將克隆在整合型載體pset152上的變鉛青鏈黴菌1326的dnd基因簇通過接合轉移導入野生型南昌鏈黴菌ns3226中進行異源表達，觀察到接合轉移子的dna獲得了在含fe ~ （ 2 + ）的電泳緩沖液中電泳時降解的表型。
  7. Dnd phenotype could be detected when the entire dnd cluster was integrated in the chromosome or carried by the low copy - number plasmid in zx1. however, when dnd cluster was carried by a plasmid with a copy - number around or higher than c. 10 copies in zx1, dnd phenotype could not be observed

    當完整的dnd基因簇整合在zx1染色體上或由1 2個拷貝的自主復制的質粒攜帶進入zx1 ，都能在zx1中檢測到dnd表型，但是由10個或超過10個拷貝的質粒攜帶進入zx1 ，就檢測不到dnd表型。
  8. On the other hand, the acceptable and balanced dosage of the coordinately expressed dnd proteins may have inhibitory activity to the further over - expression of the dnd genes

    這種自我調控的存在或許是因為其中的某個dnd蛋白具有感應（ sensor ） ， !兀性。
  9. Using erase - a - base system, a series of exoiii progressive deletion mutants were prepared for sequencing dnd cluster. analysis of the sequence revealed that it contained three orfs

    為了對dnd功能區域進行序列測定和分析，通過exo缺失實驗，獲得了38個單向漸減缺失亞克隆。
  10. All of three orfs were demonstrated to be necessary for the dnd phenotype. for the survey of the biological relevence, different 5 "

    為了驗證這三個基因與dnd表型的關系，構建了一系列衍生於整合型載體pset152的質粒： phz2150 ， phz2151 ， phz2152和phz2153 。
  11. The derivatives of phz2104 resulting from the disruption of the three putative orfs respectively by aada can not confer dnd phenotype on zx1. using erase - a - base system, a series of exoiii progressive deletion mutants were prepared for sequencing of add gene cluster

    將add基因簇亞克隆到測序載體pbluescript sk （ + ）上，採用exo缺失突變法得到了66個單向遞減缺失亞克隆，然後對這些克隆進行測序。
  12. Lividans strains with dnd + and dnd " phenotype were used for testing phage infections, growth under different ph, temperature, concentration of nacl and an extremely low concentration of o2. no obvious differences could be tested from these strains

    它們均攜帶包含3個orfs的區域（除了phz2153在dndb和dndc內缺失了2kb ） ，但已分別在各orf上發生單基因中斷（ phz2150 ， phz2151和phz2152上外源片段的中斷分別發生在dnda ，月和c上） 。
  13. This unusual modification causes wild type s. lividans 1326 dna sensitive to site - specific oxidative double - strand cleavage ( dnd phenotype ). preliminary study revealed that such dna modification involves incorporation of sulphur. the entire functional dnd cluster, 8. 3kb in size, including 3 orfs - dnda, dndb and dndc was involved in this dna modification

    野生型變鉛青鏈黴菌具有一種不同於甲基化修飾的新型dna硫修飾系統，使dna在電泳時易遭到氧化雙鏈切割而導致降解（ dnd ， dnadegradation ）表型（ zhouetal . ， 1988 ， 1994 ， 1999 ） 。
  14. The detection of the dnd phenotype of the total dna isolated from the mycelie growing at an extremely low concentration of o2 showed no difference from that at normal condition

    提取各菌株低氧條件下培養物的dna進行電泳檢測，結果揭示該生長條件不能改變這兩種菌株原有的dnd表型。
  15. Such as the defining of price of ngriculturdl preducts, the move of fund, the setop of the 01d - - dge pension fund, the supervise dnd the manage of the 0ld - - age pension fund

    第十一章進一步對產品換保障價格的確定，產品換保障資金的運行，產品換保障基金的設立和監管等內容進行了設計。
  16. Lividans mutant strains la1 and la2 generated by gene replacement in dndb and dndc were obtained respectively. both of these two mutants lost dnd phenotype because of disruption of a respective dnd gene

    首先利用基因置換實驗獲得分別在dndb 、 dndc基因內部發生基因中斷的突變菌株la1利la2 ，並通過southern雜交進行了驗證。
  17. I mainly state that chinese economy dnd hds come into d new stage of push forwerd by tjrbanizatlon, but the urbanization suffered scoe obst8cles of institution, and imperfection of urben ization mechan iam

    這是中國城鎮化滯後於工業化的深層原因和內在機理。第四章主要研究了改革開放進程中城鎮化機制的轉型和城鎮化機制缺失的原因。
  18. The dnd phenotype was also found in dna of mycobacterium smegmatis mc2155 by pfge. query of the amino acid sequence of dnd cluster from s. lividance to the uncompleted genome sequence of me2155, a homologous gene with a 38 % identity to dnda was found and was tentatively named mddl

    將變鉛青鏈黴菌的dnd基因簇與mc ~ 2155的基因組序列（未測完）進行同源比較后，發現mc ~ 2155中存在dnda的同源基因（暫命名為mddl ） ，且二者在氨基酸水平上的同一性為38 。
  19. Dnd : meaning " disqualification not discardable ", the ruling when the jury disqualifies a boat from a race and awards the maximum number of points for the race, points which may not be discarded from the overall score later

    意思是扣除取消比賽資格分數，是裁判委員會做出的取消船隻參賽資格的判決，並記該輪比賽的分數為最高分，最終計算總分時不扣除。
  20. A novel dna modification discovered in streptomyces lividans is different from dna methylation. this unusual modification causes wild type s. lividans dna sensitive to site - specific oxidative double - strand cleavage ( dnd phenotype, dna degradation )

    變鉛青鏈黴菌的dna異常修飾系統是一種不同於甲基化修飾的新型修飾系統，它可使變鉛青鏈黴菌dna在電泳時易遭到氧化雙鏈切割（ dnd表型， dnadegradation ） （ zhouetal . ， 1988 ） 。
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