雜交不實性 的英文怎麼說

中文拼音 [zájiāobùshíxìng]
雜交不實性 英文
cross unfruitfulness
  • 雜 : Ⅰ形容詞（多種多樣的; 混雜的） miscellaneous; varied; sundry; mixed Ⅱ動詞（混合在一起; 攙雜） mix; blend; mingle
  • 交 : Ⅰ動詞1 （把事物轉移給有關方面） hand over; give up; deliver 2 （到某一時辰或季節） reach （a cert...
  • 不 : 名詞[書面語] （剁物所用的木墩） a block of wood
  • 實 : Ⅰ形容詞1 （內部完全填滿 沒有空隙） solid 2 （真實; 實在） true; real; honest Ⅱ名詞1 （實際; 事實...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 雜交 : [生物學] hybridize; cross; hybridization; cross breeding
  1. More and more fluorescent signal can be collected with the pcr reaction carry on. the method is more automatized and much less time consumption ( only 3 hours from nucleotide hybridization capture to result found )

    這樣利用熒光信號積累可以實時監測整個pcr進程，實現了pcr擴增和核酸雜交以及熒光電信號放大檢測同步進行的自動化檢測技術；實時熒光pcr技術具有更大的優越性： l ）不需要pcr后處理，
  2. With plants we have conclusive evidence that the sterility of crossed species must be due to some principle.

    在植物方面，我們已有確實的證據，表明雜交物種的不育性一定是由於某種原理而起。
  3. According to the analysis and identification of differential displayed proteome, two key enzymes, adp - l - glycerol - d - mannoheptose - 6 - epimerase and mannosyltransferase, were induced in different salt stress and salt shock for rt19, which commonly participate in the biosynthesis of l - glycerol - d - manno - heptose, a major component of lipopolysaccharide

    通過對rt19的鹽激和鹽脅迫誘導蛋白的比較分析，發現：其中12個蛋白在兩種不同的脅迫條件下都可被誘導表達。進一步證實： rt19應答不同鹽脅迫刺激採取了不同的反應機制，但這些機制存在共性，交織成復雜的調控網路。
  4. Abstract : the main characters and seed set of bc1 ， bc2 ， bc1f2 from ms line back - crossing with the pollen of hybrid rice were studied. the appearance of a large number of self fertile plants in ms line was analyzed. the effect of introgression of restoring genes on ms line purity and hybrid yield in indica and japonica rice was discussed. it was pointed out that “ iso - cytoplasm restorer line ” was seriously reducing the purity of ms line and that hybrid rice was unsuitable for isolation zone in the seed production fields

    文摘:研究了雜交稻花粉對母本不育系回交後代群體bc1 、 bc2 、 bc1f2的主要農藝性狀和育性表現，分析了不育系中出現大量自交結實株的原因，討論了恢復基因滲入對秈、粳不育系純度和雜交稻產量的影響，指出「同質恢」對降低不育系純度的嚴重性和雜交稻作制種田隔離區的不合理性。
  5. In recent years, plentiful and substantial fruits achieved by the lb method in simulations of hydraulics, multiphase flows, flows in porous media and heat transfer as well as magnetohydrodynamics, have revealed a broad perspective of application of this method, it will become a powerful competitor to the conventional approaches. in order to absorb the recent achievement in theory and application of the lb method, explore new ways in hydraulic computation to promote the development of practice, some work is car ried out in this thesis, as following : advances in the theory research and application, deductive process of the d2q9 model and some other commonly used models of the lb method are summarized. based on the hydrodynamic and general boundary conditions, a new joint boundary condition is presented, it integrates advantage of the two conditions above and obtains very good results in dealing with all kinds of boundaries of flow fields

    為了消化和吸收近年來lb方法在理論和應用方面的新成果，探索在水力計算方面的新途徑以促進lb方法實用化的發展，本文進行了下列研究工作：綜述了lb方法在理論研究和實際應用方面的新進展，以及d2q9模型的推導過程和其他一些常用的模型；在水動力邊界條件和通用邊界條件的基礎上提出了一種新的聯合邊界條件方法，它綜合了上述兩種邊界條件的優點，在流場的各種邊界處理中取得了非常好的效果，經過模塊化的處理以後這種邊界條件具有更好的實用性；針對均勻網格的lb方法計算效率較低的不足，提出了雙重網格的latticeboltzmann方法，通過二維poiseulle流動、后臺階流動和渠道方槽流動三個算例的模擬，證明這種方法能夠明顯地提高流場模擬的計算效率；此外，根據復雜區域流場的特徵提出了latticeboltzmann方法的分塊-耦合演算法，利用lb方法的計算特性實現塊與塊之間的數據交換，充分利用計算資源提高計算效率，通過對「 t 」型、 「十」型和「 x 」型分岔管道流場的模擬，展示了這種演算法的特徵和優點，以及它所具有的應用前景。
  6. With the application of fabric simulation technique, textile designation becomes quite easy and effective ; designer will be released from multifarious and trivial labor and have more time or energy to engage in conceiving production ; you can obtain realistic textile pictures and need not to weave out it actually, this will lead to a great many benefits : shorten produce period rapidly, reduce running expense sharply, fasten enterprise ' s reaction to marketing, make convenient for information communication and producers will free from motiveless manufacture. along with wild employment of electronic business, producers can utilize internet to put out newly products, do business and intercommunication

    織物模擬技術的應用不僅可以提高紡織產品的設計效率，將設計人員從繁雜的勞動中解放出來、使之能夠將更多的時間和精力投入到產品構思及開發中去，而且由於不必實際生產出樣品就能夠得到具有真實感的設計效果圖，生產周期大大縮短，產品開發成本大幅降低；同時加快了企業對市場的反應速度，企業、供求之間的信息交流更加便捷、高效，消除了生產過程中的盲目性，增加了企業的競爭力。
  7. Salt treatment had effects on growth, succulence and some physiological parameters. in present study, suaeda salsa seedlings were treated with different salts and isoosmotic peg to examine the succulence and some physiological parameters. the hydraulic conductance ( lo ) of the roots, the water permeability of protoplasts and western blot analysis of aquaporins in plasma membrane and tonoplast under nacl were determined

    本實驗以鹽生植物堿蓬幼苗為材料，用不同的鹽及與nacl等滲的peg處理，測定肉質化及有關生理指標，並測定nacl處理下植物根的導水性，原生質體的水滲透性，並在分子水平上進行了細胞質膜及液泡膜水孔蛋白免疫雜交分析。
  8. Northern blot hybridization showed that leerfl, leerf2 and pti4 ( a member of erebps in tomato ) expressed differentially in different parts of wild tomato fruit during ripening, which was related with fruit ripening

    Northern雜交分析表明： leerf1 、 leerf2 、 pti4 （已發表的番茄erebps成員）基因在普通番茄果實的成熟過程及果實的不同部位都有差異表達，表現出與成熟進程的相關性。
  9. Molecular examination and biological observation of transformed plants by growing resistant germinations we got 30 transformed plants. pcr and spot blotting hybridization analysis indicate that hsp70 anti - sense cdna had been integrated into tobacco genome. through observation and measurement we found 12 completely sterile, 9hyper - sterile, 3 partially sterile and 6 fertile and significant differences between them in stamen, height, and fruit weight

    Pcr和點雜交分析表明， hsp70正、反義。 dna己經整合到煙草的基因組中。在進行田間生物學性狀觀察時， 30株轉基因植株中有12株表現出完全不育， 9株高度不育， 3株部分不育和6株可育；不育植株在雄蕊、株高和果實重量等方面都存在明顯的差異。
  10. The divergent sequences of rdna from s. costatum are used to design primers meeting the requirements of the rfq - pcr. seven pairs of primers are designed and designated as primer 1 ( f / r ) ~ primer 7 ( f / r ), respectively, among which primer 1 ( f / r ), primer 2 ( f / r ), primer 5 ( f / r ), primer 6 ( f / r ) showed high level of specificities to s. costatum. then, the pcr products primed by primer6 ( f / r ) are sequenced

    首先以中肋骨條藻的rdna序列為設計種特異性引物的靶區域，共設計出7對適合rfq - pcr的引物（依次命名為primer1 （ f r ） primer7 （ f r ） ） ，並用常規pcr實驗初步證明其中有4對引物（ primer1 （ f r ） 、 primer2 （ f r ） 、 primer5 （ f r ） 、 primer6 （ f r ） ）可作為中肋骨條藻特異性引物的候選者；然後測定了以primer6 （ f r ）為引物的pcr產物的序列，序列分析表明，中肋骨條藻的pcr產物序列與其他藻的pcr產物序列差別較大，從中可設計出滿足rfq - pcr需要的taqman探針（命名為taqman6 ） ；進一步的核酸雜交實驗表明， taqman6隻與中肋骨條藻的pcr產物雜交，不與其他藻的pcr產物雜交。
  11. It was found that there were changes to some extent in the main characters of the days from seeding to initial heading, plant height and seed setting rate when the seeds of the tested hybrid rice combinations and their parents were sowed at different time in hainan for the seed purity identification, and the changing extent was different between some hybrids and their parents, which would affect the accuracy of purity identification

    摘要通過比較不同播種時期雜交水稻種子樣品在海南種植鑒定的農藝性狀表現，發現播始歷期、株高、結實率等主要性狀均表現出不同程度的變化，且部分組合與其親本的變化幅度不同，從而影響鑒定的準確性。
  12. Objective through measure telomere length ( mean length of telomere restriction fragment, trf ) of dermal and intramuscular, and study it ' s length correlating with the different human " s age. the trf was examined by southern blotting. the formula to age estimating was obtained by regression analysis between the trf and the age

    目的應用southern雜交技術，對皮膚、肌肉端粒dna片斷長度（ meanlengthoftelomererestrictionfragment ，簡稱： trf ）進行觀察，測定不同年齡段人群的端粒dna片斷長度值，以期初步探明不同年齡段人群的端粒dna片斷長度的變化規律，繪制出端粒dna片斷長度值隨年齡變化的標準曲線，比較性別、籍貫對端粒dna片斷長度的影響，以期為法醫實踐工作中對無名屍體年齡推斷提供理論依據。
  13. In febrary, 2006, china issued nation long - term science and technology development plan which put the intelligent traffic manage systems as an advantage field including traffic information share and urban traffic management. urban traffic information extraction is the fundament of its and traffic information share. with social development, urban traffic constitute was changed and show the complexity, meanwhile, different complexity appear in different areas

    首先介紹論文選題背景及意義，在提出城市道路交通信息提取框架的基礎上，結合我國城市交通實證數據，分析城市道路交通流信息的復雜特徵，並對比研究不同預測方法的適應性，建立考慮復雜性特徵的交通預測知識模型;對城市道路交通狀態劃分進行分析並做探討性研究;提出城市道路交通信息提取的系統集成關鍵技術;最後，從三個方面提出交通信息共享機制。
  14. In a general frame, disp is platform - neutral and could achieve reliable and transparent data transmission, complex transaction processing and database replication between homogenous or heterogenous dbmss. as a consquence, the data consistency and integrity are realized

    它能在統一框架下，完成不同操作系統以及不同或相同數據庫間數據透明可靠傳輸、復雜交易處理和數據庫復制的功能，從而實現分散式系統的數據一致性和完整性。
  15. In our work, different hbv pres gene fragments were amplified by pcr, cloned into pgbkt ? vector in yeast two - hybrid system 3, and then transformed ah 109 yeast cells. the results showed that these pres expression products were nontoxic to yeast cells, but all self - activated the yeast two - hybrid system

    本研究將hbv前s區不同片斷進行擴增，克隆入酵母雙雜交系統3中的pgbkt7載體，轉化酵母細胞ah109 ，經檢測，證實了hbv前s區不同片斷對酵母細胞無毒性作用，但是都存在自激活作用。
  16. Method for oryza sativa indica male sterile line maintainer line and f sub1 ; true to variety seed testing

    秈型水稻不育系或雜交種與保持系種子真實性室內檢驗方法
  17. According to condition and traffic character of crossroad of fulian road, the traffic sign control scheme was designed and calculate some parameters. according to character of traffic sign control system, a method of crossroad based on fuzzy logic was put forward. traffic modle need n ' t be established in this method. complex and random difficulty problem of traffic sign control procedure can be efficiecy solved. the hardware realization and the software programme with at89c51 chip microcomputer are given

    並且根據智能交通信號控制系統的特點，提出了一種基於模糊邏輯的交叉口信號控制方法，此方法不需要建立復雜的交通流模型，對城市交通控制系統實施模糊控制，可以有效地解決交通信號控制過程中復雜和隨機性難題。文中給出了以at89c51單片機為主機的硬體和軟體的設計。
  18. The traditional shortest path algorithm only thinks about length, this ca n ' t satisfy requirements of the complicated traffic. so we introduce the theory of rough set. we use the concept of property importance, think about all the conditions, and get the optimal path selection algorithm based on rough set

    傳統的最短路徑演算法僅僅考慮長度這一條件，這顯然不能滿足復雜交通狀況的實際需要，因此我們引入粗集理論，利用粗集中屬性重要度的概念，綜合考慮各種條件，得到了基於粗集理論的最佳路徑選擇演算法。
  19. The hybrids were completely sterile while the pollen fertilities of parental species were normal

    雜種f _ 1完全不育，自交不結實，而親本育性和結實正常。
  20. On the base of analysing the shortcoming of genetic algotithms, three improved techniques for genetic algorithms are bring forward in this paper : fuzzy penalty fitness function, random dislocation arithmetic crossover, fuzzy parameter adjust policy, which improve genetic algorithms capability of global convergence and convergent speed. at the same time, the improved genetic algorithms are applied to nonlinear mixed integer problems and complex nonlinear function optimization

    在分析實數型遺傳演算法不足的基礎上，本文研究了遺傳演算法的關鍵技術，分別提出了模糊懲罰評價函數、隨機錯位算術雜交運算元、模糊自適應參數控制等改進技術，以提高遺傳演算法的全局收斂性和收斂速度，並應用於求解非線性混合整數規劃問題和復雜高維的函數優化問題。
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