double strand 中文意思是什麼

double strand 解釋
雙股的
  • double : adj 1 兩倍的，加倍的。2 雙的，二重的，雙重的；對，雙，兩，復。3 雙人用的；折疊式的。4 （意義）雙...
  • strand : n 1 〈詩〉（海、湖、河等的）濱，岸，灘。2 〈the S 〉 （倫敦的）河濱馬路。vt vi 1 （使）（船等）觸...
  1. A double - strand cdna fragment of dh ( diapause hormone ) gene was obtained from kt - pcr amplification. the fragment was digested by two restriction enzyme nde 1 / ecor 1 and then was joined with pet - 30a ( + ) plasmid which was digested by nde 1 / ecor 1 too. then the outcome was transformed into escherichia coli bl21

    Pcr產物經nde / ecor雙酶切后，與同樣雙酶切的pet - 30a （ + ）質粒連接並轉化至大腸桿菌（ escherichiacoli ） bl21中，經檢測篩選，成功得到陽性克隆。
  2. Double strand drawing mill

    雙線拉伸機
  3. Mms, a kind of dna - damaging agent, predominantly methylates ring nitrogens of pyrine, leading to dna double - strand breaks, point mutation and so on

    甲磺酸甲酯（ methylmetbanesulfonate ， mms ）是一種能夠損傷dna的烷化劑，主要使dna嘌呤堿基上的o 、 n甲基化，造成dna雙鏈斷裂、點突變。
  4. In this experiment, dna double strand breaks induced by heavy ions in the early period were investigated with atomic force microscopy ( afm )

    本實驗旨在用原子力顯微鏡（ afm ）研究重離子輻射后早期的dna雙鏈斷裂。
  5. Poly ( a ) + rna was isolated from the salt - induced aloe vera l. leaves as tester and the normal aloe vera l. leaves as driver, and single - strand cdna and double - strand cdna were sythesized in turn

    乙， ）和鹽敏感品種皂質蘆薈（ a了。 。胭p助打邵施叫為材料，進行了northernblotting和酶活測定。
  6. The damage of dna is the most basic and important sector in this process. meanwhile, the double strand breaks ( dsb ) of dna molecule is the primary damage of all biological effectiveness induced by ionizing radiation

    Dna的輻射損傷是其中最基本和最關鍵的一環，而dna的雙鏈斷裂（ dsb ）又是輻射引起的各種生物學效應中最重要的原初損傷。
  7. By means of the afm made in shanghai aijian co., ltd. and digital instruments co., ltd ( u. s. ), the dna strand and their fragments were observed successfully. 2. by comparison with afm experiments of three categories of ion beams, the result has been observed in qualitatively : in the uniform dose, the higher let heavy ions have caused more double strand breaks than the lower let radiation

    通過afm對實驗結果的觀測，可以定性地得知：在同等劑量條件下，高let值的重粒子與低let的射線相比， dna雙鏈斷裂的數目要多一些；在相同let條件下，隨劑量增加dsb的片段變短、數量增加。
  8. Solid bearing pin type fv conveyor chains ; single - strand and double - strand chains not to be used for new designs

    Fv型整體軸承銷式輸送機鏈.單股和雙股鏈不適用於新
  9. Recently, a new gene dr0167 ( pprl or irre ) that serves as a general switch for downstream dna repair and protection pathways via its regulatory function on the gene expression of reca, ppra was discoveried. expression of d. radiodurans pprl also promotes dna repair and protection pathways and enhances the radioresistance of e. coli. this finding provides a new clue to understand the mechanism of dna repair, especially double strand break ( dsb ) repair

    最近我們實驗室在耐輻射球菌電離輻射敏感株中鑒定了一個與電離輻射抗性相關的基因ppri ，該基因可能通過調控dr細菌reca 、 ppra等基因的表達加速對電離輻射引起的dna損傷修復，而在大腸桿菌中表達ppri基因能促進reca 、 soda等表達水平顯著提高，使其抗輻射和抗氧化能力明顯增強，這將為我們理解其特殊抗性機制，特別是雙鏈斷裂修復提供新的線索。
  10. 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。
  11. Exponential phase cultures of the dr rl strain survive exposure to gamma radiation at doses as high as 5, 000 gy without loss of viability or evidence of dna damage induced mutation. 6000 gy of irradiation will induce approximately 200 dna double - strand breaks in dr chromosomes, but it is still able to reconstruct a functional genome from chromosomal fragments without any mutation

    指數生長期的r1菌株即使在5kgy劑量的-射線照射后，其生長能力也未受影響， 6kgy -射線照射后染色體基因組產生約200個的雙鏈斷裂碎片，但是其基因組dna經修復后沒有引起任何的突變。
  12. Dna, or deoxyribonucleic acid, is the substance ? specifically, a nucleic acid molecule with a twisted double strand double helix form ? that carries the genetic information for humans and other living organisms from one generation to the next

    Dna即脫氧核糖核酸，是一種雙螺旋鏈核酸分子，它攜帶人類及其他生物的遺傳信息，使其代代相傳。
  13. This organism can repair at least 150 double strand breaks of each chromosome induced by ionizing radiation without lethality or mutagenesis within several hours

    該菌能在輻照后幾小時內準確無誤地修復每條染色體上至少150多個dna雙鏈斷裂。
  14. The feeding system from coil of this model, for single or double strand, by means of two motorized and braked pay - offs, is controlled by computer to adjust the feeding speed

    上料系統：本機型配有兩個放線架，可適合於單線和雙線加工，由計算機控制、電機驅動和制動來調節放線速度。
  15. Hmre11 plays an important role in u937 cellular response to dna double - strand breaks following etoposide

    雙鏈斷裂后的修復中發揮重要作用
  16. The dna double strand break ( dsb ) can be rejoined by at least two discrete pathways, i. e., the homologous recombination and the nonhomologous end - joining. at least 10 genes were found involved in nhej

    Rad18是一種單鏈dna結合蛋白，具有許多泛素系統e3所有的典型ring結構，與rad6 （ ubc2 ）形成結合緊密的異二聚體。
  17. 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 ） 。
  18. 3. dna double strand breaks ( dsbs ) induced by ion beams of gel electrophoresis experiment has shown positive linear with dose, i. e., double strand breaks will increase as the dose increased

    分子生物學技術? ?電泳技術分析結果表明，離子輻射造成的dna雙鏈斷裂（ dsb ）與粒子劑量呈線性正相關關系，即隨著粒子劑量值增大， dsb量也逐漸上升。
  19. 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 ） 。
  20. Double - strand polymer

    雙股聚合物
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