超變體 的英文怎麼說

中文拼音 [chāobiàntǐ]
超變體 英文
hypermutation
  • 超 : Ⅰ動詞1 （越過; 高出） exceed; surpass; overtake 2 （在某個范圍以外; 不受限制） transcend; go beyo...
  • 體 : 體構詞成分。
  1. Here we found g proteins also function in leaf, silique development and the yield of pollen microspore. we observed several traits or characters in the offsprings of gpal, agbl null mutation and gpa1 overexpression lines and found that the width of mutants " lamina is larger than that of the wild type, whereas the lamina length, petiole length and rosette diameter is smaller than the wild type, the ga overexpression lines is different from the mutants ; the silique length and the pedicel length is larger in mutants than that of wild type, and slightly smaller in overexpression lines than the control ; the morphometric character in silique tip is different in gpal from agbl mutants ; the yield of pollen microspore is larger in null mutants than wild type whereas smaller in overexpression lines

    實驗中我們跟蹤觀察了多代異三聚體g蛋白a亞基超表達轉基因植株及a ， p亞基缺失突變體的表型特徵，發現突變體的葉片寬度大於對應的野生型，葉片長度，葉柄長度及蓮座直徑小於野生型，而超表達植株的上述某些特徵與突變體相反; gp時突變體的長角果長度，花梗柄部長度大於野生型，而超表達ga植株種英則略小於對照; gpal突變體長角果尖端未出現咭乙i突變體的特徵: gpal ，口gbl突變體花粉生成量大於野生型，而超表達ga植株的花粉生成量則略小於對照。
  2. Atmc4 - overexpression in sos2 mutant resulted in enhanced activity of cytochrome oxidase. the transgenic plants showed higher salt tolerance than sos2

    而超表達atmca基因sos2突變體植株中，細胞色素氧化酶的活性得到提高，並且轉基因植株對鹽的耐受性也提高。
  3. There is no change in the visual appearance of a superconductor.

    超導體表觀面貌並無變化。
  4. The research includes temperature controlling in deep cool condition, data sampling, relationship between levitation force and levitation gap in different temperature, and relationship between levitation force and temperature in a certain levitation gap - the deep cool condition is provided by g - m refrigerator, and a bent adapter connector fixed on second step cooling head is designed to fix ybacuo bulk

    研究包括深冷環境下的溫度控制；數據採集；不同溫度下懸浮力與懸浮間距的關系及一定懸浮間距下懸浮力與溫度的關系。在g - m製冷機作用下實現深冷測試環境，並設計出固定於製冷機二級冷頭處的轉變接頭以固定高溫超導體。
  5. First, this paper gives an introduction of some methods of unequal probability sampling, their estimators and variance estimators, including sampling with pps with replacement, methods of sampling without replacement suggested by brewer, durbin, sampford, des raj, murthy, rao - hartley - cochran. then, at the basis of rao and bayless ' s study, we consider that population can be splited two random subpopulations, which are respectively drawn from different infinite super - populations, and compare the stabilities of estimators of the methods that given above. we find that the minor difference between two super - populations has great effect on the efficiency of the estimators for the population with moderately large coefficient of variation ( c. v. )

    本文首先從理論上介紹了若干種不等概率抽樣方法，它們的估計量、估計量的方差及其估計，其中包括有放回ppz及pps抽樣，不放回不等概率抽樣中的brewer 、 durbin 、 sampford 、 desraj ， murthy 、 rao - hartley - cochran等人的方法；其次，在rao和bayless兩人就樣本單元數n = 2的情形對上述抽樣方法進行比較的基礎上，將總體隨機地分成兩個子總體，視每個子總體取自不同的線性超總體，在文中，我們利用計算機實現隨機分組，並通過畫圖比較各方法估計量的穩定性，結果表明，對變異系數c . v . （ x ）較大的總體而言，兩個超總體之間的微小差異將對估計量的穩定性產生很大的影響，從而說明rao和bayless的比較結果還不夠完善。
  6. Since high tc superconducting ( hts ) tapes for practical applications became commercially available over the past few years, the development of superconducting power technology has achieved significant progress. it is foreseen that superconducting technology will be the prevailing high technology of the 21st century, and that superconducting power equipment will be commercialized soon, enjoying a large - scale worldwide market before 2010. china ' s economy is expanding fast, and the demand for electricity is increasing quickly. at the same time, higher electricity quality will be required. traditional power technology will no longer be able to satisfy future requirements, so superconducting power technology would be the best solution, leading a revolution in the power industry. the history, present status and prospects of superconducting power technology as well as the economic benefits and basic physics problems involved are reviewed

    人們認為，超導體在電力方面出現大規模應用的時間距離我們還非常遙遠.然而，隨著最近幾年來實用高溫超導材料的研製取得重大的進展，高溫超導電力技術的應用已經成為現實，預期將在2010年左右出現大規模的應用，並將帶來電力工業的革命.因此，下一個10年將是國際超導技術競爭最關鍵的10年.我國的經濟發展很快，電能需求量增加十分迅速，對電能質量的要求也越來越高.常規電力技術已經無法滿足我國電力發展的需要，超導電力技術是實現我國電力發展目標的必由之路.文章有代表性地介紹了超導電纜、超導限流器、超導磁儲能系統、超導變壓器和超導旋轉電機等的基本工作原理及研究發展歷史，並著重介紹高溫超導電力應用研究的現狀、應用前景、經濟可行性及基本物理問題
  7. The vector magnetic potential of a system consisting a line electric current and an infinite long magnetic dielectric column is calculated with the method of separation of variables and method of images, it is pionted out that the vector magnetic potential of a system consisting a line electric current and a magnetic dielectric plane, an ideal paramagnetic column, a superconductor column, and a line electric current in homogeneous magnetic field can all be deduced from our calculation

    摘要用鏡象電流法和分離變量法計算了線電流與無限長磁介質圓柱系統的磁矢勢，指出線電流與無限大磁介質分界平面、線電流與超導體圓柱、均勻外磁場中有磁介質圓柱系統時的磁矢勢都可以由線電流與磁介質圓柱系統的磁矢勢的極限情形給出。
  8. Study the effect of composition variation within the constituent oxides in the high - tc superconductors to the structure, tc and hole concentration

    研究高溫超導體中各種氧化物間組成變化對結構、超導溫度和電洞濃度的影響。
  9. The results were as followed : pollen germination and tube growth were decreased in ga mutant, and increased in ga overexpression strains as compared to wild type, while pollen germination and tube growth were not affected in gp mutant

    結果表明：體外實驗中gpa1突變體花粉的萌發率及花粉管生長速率均低於野生型花粉，而超表達g花粉的萌發率及花粉管生長速率則高於野生型及空載體對照； g突變體agb1 - 1與野生型花粉的萌發率及花粉管生長速率差異不大。
  10. Based on the effective mass theory and critical state model, an anisotropic theory of critical current and ac losses for single hts tape and tape stacks were established. analytical formulae were presented to calculate critical currents and ac losses with an arbitrary angle between the wide side of hts tape and the direction of ac or dc applied fields. from the anisotropic theory of ac losses of hts sample, a numerical model to calculate ac losses of hts coil was developed

    基於臨界態模型與高溫超導體的有效質量理論，建立了高溫超導帶材及並聯堆疊帶材的交流損耗與臨界電流的各向異性理論模型；給出了高溫超導帶材的交流損耗及臨界電流隨（交、直流）背景磁場與超導帶面夾角變化規律的理論公式；依據所建立的高溫超導短樣帶材的各向異性理論公式，給出了高溫超導線圈交流損耗的數值計算模型；並利用該模型，計算了高溫超導雙餅線圈的交流損耗；並與實驗測量結果進行了比較分析。
  11. It was also found that the average number of germinated pollen grains on each stigma of ga mutant was less than that of wild type, while in ga overexpression strains the average number was more than that of control ( wild type and empty vector control )

    體內實驗中， gpa1突變體柱頭上實際萌發的花粉粒數少於野生型，超表達植株則多於野生型和空載體對照； agb1 - 1突變體柱頭上實際萌發的花粉粒數與對照比較差異不顯著。
  12. Abstract : one of the unsolved problems of the high power application of high temperature superconductors is how to lower the energy dissipation induced by flux motion. due to the extremely high anisotropy, small coherence length and weak pinning potential, the mixed state phase diagram which is tightly related to the flux dynamics becomes very complicated. a brief account is given of the field induced crossover of criticalities of energy dissipation, which has been observed in our recent sensitive electromagnetic measurement

    文摘:高溫超導體在強電方面應用的關鍵問題是如何克服磁通運動所造成的能量損耗.由於存在極強的各向異性、短的相干長度和小的磁通釘扎勢，因此與磁通運動緊密相關的混合態相圖變得很復雜.文章綜述了根據一系列靈敏的電磁測量所觀察到的磁場誘導的能量耗散行為的轉變
  13. Several amino acid residues of sed have been proved to be important in the interaction between sed and mhc, but the mode of sed binding to mhc is not yet clear. this study is designed to explore the above issues. the main content and results of this study are as follows : firstly, the prokaryotic expression system of sed was constructed

    基於以上問題，我們對sed可能的活性位點進行預測，構建了一系列超抗原sed免疫識別機制的研究sed定點突變體，檢測這些突變體的mhc11結合活性和tcrvfi特異性，尋找與tcrv6結合的關鍵位點，進一步探討sed與mhc和tcr的相互作用方式。
  14. After washing with reagent ( 50mmol / l ph8. 0 tris - hcl, 100mmol / l nacl, 0. 5mmol / l edta, 2mol / l carbamide, 0. 2 % triton x - 100, 0. 2 % doc ), ultrasound crushing ( 200 w, 150 times, 3 seconds per time, spacing 3 seconds ) and freezing - melting methods, we got hng fusion protein and m - insulin fusion protein with purity of above 80 %. 4. radioimmunoassay result shows that the radioimmune activity of of m - insulin fusion protein is 0. 5 unit per litre bacterial liquid

    3 .表達產物初步純化仁gly 」一flumanin融合蛋白和人胰島素突變體融合蛋白包涵體的洗滌方案為: lj ]體沉澱溶於含zmol ， / l尿索洗滌液，超聲（ 200w 、巧o次、 3秒/次、間隔3秒） ， 4 、 i000orpm離心15min后沉澱用洗滌液充分重懸，一2 （ ）凍存過夜，次日融化后4 、 10000rpm離心15min ，取上清，即得到初步純化的融合蛋白，可去除土要的雜蛋白，融合蛋白溶解于上清液中，純度達到80 %以_ 1 : 。
  15. The superfluid fraction will not rotate

    變成超流體的氦不會旋轉。
  16. In addition, whether and how the bl receptor photl regulate ca2 + - channels in the pm has not been investigated. in present study we aimed to identify ca2 + channels involved in bl signaling cascade. the patch clamp technique was applied to record the channels on the hypocotyl protoplasma of wild type and photoreceptor mutant of arabidopsis thaliana

    採用膜片鉗技術在擬南芥下胚軸原生質體質膜上記錄並鑒定到一種超極化激活的鈣離子通透性通道，對其特性分析發現photl - 5突變體與野生型擬南芥的質膜鈣離子通透性通道電流有顯著差異，該差異可能是二者對胞外鈣表現不同反應的原因。
  17. The method for retaining sampled units in successive sampling survey for changed probability of selection is introduced. for pps sampling design, a model - design unbiased predictor for the total of a variable for the target population is proposed, and the optimum matching ratio for the predictor under the assumption of unchanged population is calculated. for rhc sampling design, the equation that the optimum matching ration satisfies is given

    介紹了連續抽樣中概率發生變化時保留樣本的方法。對于有放回的pps抽樣，在假設的超總體模型之下提出了總體變量總值的模型設計無偏預報量，並計算了總體不變時保留樣本的最優匹配比。對于無放回的rhc抽樣，給出了最優匹配比滿足的方程。
  18. Within three days of hearing the rumors, we had made these pellets and were able to confirm superconductivity at near 40 k

    在聽到傳聞的三天內，我們已經制備好這些顆粒，並證實了它們的確在接近40k時可轉變為超導體。
  19. Unlike high - temperature superconductors ( copper oxide materials that superconduct at temperatures as high as 130 k ), mgb2 seems to be a traditional superconductor, albeit a novel variant

    和高溫超導體（主要成份為銅氧化合物，轉變溫度最高可達130k ）不同的是，硼化鎂雖然是個新登場的超導材料，看起來卻很像傳統超導體。
  20. Writes extensible hypertext markup language xhtml - specific characters, including all variations of xhtml modules that derive from xthml, to the output stream for an asp. net server control for mobile devices

    將特定於可擴展超文本標記語言（ xhtml ）的字元（包括從xthml派生的xhtml模塊的所有變體）寫入移動設備的asp . net服務器控制項的輸出流。
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