最後雜交 的英文怎麼說

中文拼音 [zuìhòujiāo]
最後雜交 英文
terminal crossing
  • : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
  • : 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
  • : 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...
  • 最後 : last; final; ultimate
  • 雜交 : [生物學] hybridize; cross; hybridization; cross breeding
  1. Lastly by using the technique of dot blot hybridization, the genome dna of chlamydia was detected with the probe of momp gene labeled with dig - 11 - dutp by using the way of random primer. the results showed the degree of sensitivity of the probe was 10 pg and other pathogens could not be detected by this probe. by comparing the diagnostic ways of nucleotide probe and fc, the technique of nucleotide probe were proved to have high sensitivity and speci fi city

    ,用地高辛隨機引物法標記成momp基因核酸探針,斑點檢測衣原體基因組dna ,靈敏度可達10pg ,且不能檢出其它病原體的核酸。將核酸探針法與補體結合反應法對衣原體感染的診斷進行比較,初步證明該探針具有較高的敏感性與較強的特異性。
  2. Green fluorescent protein ( gfp ) gene was conjugated to the 3 " end of the pap gene in order to screen easily of the transgenic cotton plants. the combined gene was cloned into plant expression vector pbi121 and then transformed. about 5000 seeds of the transgenic cotton were obtained and the some seedlings of the transgenic cotton could give a bright green fluorescence in the dark condition when the cotton seedlings were irradiated with ultraviolet rays

    為了便於轉基因棉花代的篩選,在pap基因的3 』端融入了綠色熒光蛋白gfp )基因,然將融合基因克隆在植物表達載體pbi121上,再進行遺傳轉化,得轉基因棉花種子5000餘粒,將種子播種長到于葉展開時,先在黑暗中用紫外燈照射,查找表現綠色熒光的幼苗,然再用地高辛( dig )標記的pap基因特異性探針對這些棉花進行點發現有8株棉花表現陽性反應,說明pap基因的確己經轉到了棉花的基因組中,其棉花黃萎病的抗性鑒定正在進行之中。
  3. The chinese yellow breed is perhaps one of the earliest products of this cross.

    中國黃牛可能是早的這種代之一。
  4. This paper try to mix the finite strip method and hybrid stress element, and deduce a numerical and computer method which combines the advantages of the two methods - mixed hybrid finite strip method ; analyze the intensity and stability of the orthotropic plate by this method ; deduce the formula of the orthotropic plate ' s analysis and calculation under this method ; compile the program of orthotropic plate ' s mixed hybrid finite strip method ( hfsop. for ) with fortran - 77 language, and perform them under fortran90 environment of pc computer ; comparing with traditional methods by example of computing, prove that the mixed hybrid finite strip method have better degree of accuracy, moderating the stiffness of plate, coming more close to actual conditions, avoiding over - hard or over - soft ; finally, this paper analyze the stability of a orthotropic plate by this method, and deduce the - value of critical stress

    論文將有限條法和應力元法兩者結合起來,導出一種兼有兩者優點的數值計算方法? ?混合有限條法。運用這種方法對正異性板的強度和穩定進行了分析,推導出正異性板在這種方法下的分析計算公式,用fortran - 77語言編寫正異性板混合有限條法程序( hfsop . for )在微機fortran90環境下運行。通過算例與傳統的方法比較,驗證混合有限條法有更好的精度,使板的剛度適中,更接近實際情況,避免「過硬」或「過軟」 ;,論文還用此方法對一正異性板進行了穩定分析,得出臨界應力值。
  5. By using it, the section mapping drawings of multi - types & complex pipeline system can be automatically generated through the entity crossing operation. this method composes of the following three key steps. in the first, different graphic entities are identified from the complex pipelines drawing in terms of the layer information they owned, then the correspondent information is to be encapsulated to keep the spatial data completeness of the graphic symbols

    該方法通過管線系統設計圖中的圖形實體的分層處理與信息封裝,首先實現了復管線實體的自動識別並確保了圖形實體具有對應管線實體對象的完備空間信息;在此基礎上,根據用戶給出的任意位置截切線,構造隱式描述的截切面並與隱式描述的管線實體進行求運算;通過對求結果的坐標變換,生成能夠直觀反映出多類型復管線系統空間分佈信息的截切面映射圖。
  6. In this way, crop plants became increasingly distinct from their progenitors and eventually rarely crossed with their wild versions

    透過這種方式,作物植物和它們祖先的歧異越來越大,到幾乎不再與野生種
  7. Based on data generated, we classify 8 recipients into three categories in terms of possible environmental impact : ( 1 ) low risk of gene flow to common cultivars ; ( 2 ) intermediate risk to common wild rice with same aa genome ; ( 3 ) high risk to ms lines. 2. development of a specific database for toxin and anti - nutrient proteins bioinformatics is a very useful tool for risk assessment of gm foods

    從轉基因水稻的環境風險考慮,轉基因向常規稻的基因漂流頻率及大距離都較小,相應地其風險也較低;向不育系的基因漂流頻率較高,大漂流距離也較大,相應地其風險也較高,應重點考慮轉基因漂流對稻制種純度的影響及其可能引起的環境風險果;轉基因向普通野生稻的基因漂流頻率中等。
  8. Traditional techniques of plant breeding involve crossing two plant varieties, each with desirable characteristics usually referred to as traits and selecting the best of these crosses

    傳統的植物育種技術是將兩種植物其中每種植物都具有人們想要的特徵通常稱之為性狀進行,然選擇出好的品種。
  9. First, according to the orthonormal quality and the rational choice of working point of the sonar array three shafts frame, the structure of the models is predigested preliminarily ; secondly, according to the quality indexes and the coupling quality between frames, relatively small quantum is neglected. so the complex non - linear coupling models of the sonar array are predigested farther ; lastly, considering the characteristic of the model coefficient matrix, the methods of the low rank polynomial approach and the error simulation are introduced. so the models are predigested again

    首先從聲納基陣框架結構的正性和工作點的合理選擇出發,使模型的結構得以簡化;其次根據系統性能指標及框架間耦合性強弱,忽略相對小量,對聲納基陣復的非線性耦合模型進一步簡化;考慮模型系數矩陣的特點,運用低階多項式逼近和誤差模擬的方法,實現了對模型的再次降階簡化處理。
  10. The results showed that pcr applify a 485 specific molecular band in 672 individuals, the rate of positive reaction is 60 %, southern blot result shows a strong signal in transgenic fish. it is concluded that hu - - ifn gene has been integrated and expression. it is also that foreign gene integrating position and copy number is different individuals, by elis a detecting, 23. 5 % transgenic fish " were detected hu - - ifn gene expression in all 672 transgenic fish, but expression level of hu - - dfn is significant difference in different individuals and growth period

    2000年共顯微注射32197粒草魚受精卵,出苗12945尾草魚魚苗,經孵化培育獲得1120尾五寸左右草魚,對1120尾草魚提取血液總dna進行pcr和southern檢測, 2000年轉導的草魚的pcr檢測結果,有672尾草魚即600k轉化個體的總dna能擴增出一條485kb的特異分子帶,說明轉化個體整合有huj ifn基因,經southern進一步證實,轉入的抗病相關基因己在轉基因草魚體內染色體上得以整合,但整合位點沒有固定區域,整合的拷貝數存在較大差異。
  11. In this paper, i will present some algorithms of polyhedral visual hull reconstruction : ( 1 ) polyhedral v isual h ull generation a igorithm b ased one dge - pool - searching, which constrains the 3 - d intersections into the 2 - d planes intersection via the epipolar theory to reduce the complexity a nd c an r educe t he t imes f or c ones t o b e p rejected o nto t he i mage p lanes, i n which we induced the index list to every points on the surface of object, and connected the related points to get sub polygons on surface and in turn get the mesh model, we replace triangulation process of disordered points cloud by edge - pool searching. ; ( 2 ) reconstruction based on degenerated - polygon - intersection, which have the following improvements on traditional bull intersection : using degenerated polygon to orga nize intersected area on cone face, which may be discontinuous ; a fast intersection algorithm of polygons on the cone face based on degenerated polygons, which is consistent between the continuous polygons and the discontinuous ones. the intersection of degenerated polygons is similar to the convergence of two ordered lists, which is comparably simple to the bull operation ; ( 3 ) reconstruction algorithm based on ray - tracing, in which all the rays that run through the vertex on silhouette of object will intersect with all the cones correspondent to other silhouette, and we have to calculate the intersection of all such line segments, the endpoints of which are considered to lie on the surface of object and we will get the point cloud on the surface of object

    同時利用共極線原理把三維計算投影到二維平面以降低求計算的復度,該演算法可以減少光錐向圖像平面投影計算的次數,以邊池搜索取代散亂點集上進行的三角剖分; ( 2 )基於退化多邊形求的多面體可見殼模型重構,系統引入退化多邊形的概念,把錐體平面的集中不連通的部分用一個退化多邊形來表示,並引入了新的基於退化多邊形的求演算法,與傳統多面體可見殼重構相比,該演算法有以下幾點創新:在圖像平面以退化多邊形組織投影錐體和物體輪廓的集,把任意錐面與物體輪廓的集歸一到一個退化多邊形;基於退化多邊形的二維平面上多邊形快速相演算法,該演算法在一定程度上就是兩個有序鏈表的合併,大大簡化了先前的布爾求計算; ( 3 )基於光線跟蹤的演算法,該演算法中所有通過輪廓頂點的光線和對應其它圖像輪廓的光錐進行求計算,得到每次求計算得到線段的集,該線段的頂點就認為是物體表面點,從而得到物體表面的點雲。
  12. 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,在提出城市道路通信息提取框架的基礎上,結合我國城市通實證數據,分析城市道路通流信息的復特徵,並對比研究不同預測方法的適應性,建立考慮復性特徵的通預測知識模型;對城市道路通狀態劃分進行分析並做探討性研究;提出城市道路通信息提取的系統集成關鍵技術;,從三個方面提出通信息共享機制。
  13. This article discusses the actuality and the growing course of home news - magazine via case study, meanwhile, analyses on the markets from audience, advertisement, capital and content, which is based on the frame of marketing journalism theories. after research, we have made some conclusions, standing for the news - magazine : the audience market is full of potential, needing further exploitation ; the advertisement market still has space to develop by enhancing the consciousness and the power of working so as to improve the payoff mode ; the capital market will be full swing, running to logos and mature, therefore, it will be propitious to the developing of news - magazine ; the content market needs to make conformity, establishing special service organization, li ke magazine especial article union, also forms the content - exchange flat by internet, at the same time, consummates related rules for activating content market

    本文運用實證研究的方法,對國內新聞類志的現狀及發展歷程進行總結和研究,並根據市場新聞學的基本框架,著力對中國新聞類志的受眾市場、廣告市場、資本市場和內容市場進行分析:新聞類志面臨的受眾市場極具潛力,亟待進一步的開發和培育;它面臨的廣告市場具有較大的發展空間,需要加強廣告經營的意識,並加大經營力度,以改善盈利的模式;新聞類志面臨的資本市場將進一步保持活躍並趨向理性,從迷茫中走向成熟,資本的進入有利於新聞志的發展和壯大;,新聞類志的內容市場需要從分散走向整合,建立志特稿社等專門的服務機構,利用網路形成內容資源易平臺,並逐步健全相關的市場規范以激活內容市場。
  14. Pcr products were inserted into pbluescriptsk using psti and xhoi. the element bearing resistance to streptomycin ( sm ) and spectinomycin ( sp ) was excised from php45 and inserted into gene coding region. the disrupted gene was isolated as a pstl and xhol fragment and cloned into prl271

    首先將pcr擴增片段( 1 . 5kb )利用pst和xho插入常規克隆載體pbluescriptsk ,利用基因內部合適的酶切位點插入sp sm抗性片段,再利用pst和xho位點將已插入抗性基因的pcr片段,轉入整合載體prl271中獲得體外基因中斷,利用三親本獲得體內突變。
  15. The chimeric gene was introduced into arabidopsis through the method of vacuum infiltration which is widely used in arobidopsis tansformation. transgenic plants were screened by means of kanamycin resistance and further identified by genomic pcr and western blotting, through the phenotype observation of transgenic plants, the speculation that apoplast calmodulin may play a certain role in regulating the development and growth of plants was made

    ,融合基因被插入二元載體plbj21 ,通過電擊法轉入農桿菌gv3101 ,真空滲入法轉入了擬南芥,轉基因擬南芥通過kan抗性篩選而得到,並進一步進行了基因組pcr鑒定和western的鑒定。
  16. In the following we held lottery - drawing activities, and at the end of the meeting, the students had the chance to communicate with teacher mengyan from " programmers " which is famous in domestic universities

    大會進入一個活動環節,也是此次大會的壓軸戲,是與來自程序員志社的代表孟巖老師等的溝通和流,即程序員志研討會。
  17. For power control of listening users, forward power control method are introduced based on full, multichannel, filtered report, and collision method etc. the full report method has redundancy report information, and its real - time performance is bad, multichannel report is introduced to improve the real - time performance, and filtered report is introduced to eliminate the redundancy information, finally the collision method introduced can not only get higher real - time performance but also diminish the redundancy information ; 2. in order to meet the requirements of making the dynamic simulation of trunking group system, the ms ’ s random move equation is brought forward, the simulation of ms ’ s distribution is done and the integrated channel model are presented ; 3. the smart predicative model of power control is introduced to overcome the delay and track the change of the complicated network, with this model, the power control ‘ s performance is greatly improved

    全匯報方法存在冗餘的匯報信息,而且實時性較差,為了改善實時性提出了多通道的匯報方式,為了改善冗餘匯報而提出了篩選法,介紹的碰撞法在減少冗餘信息的同時又提高了實時性;二、為了集群功率控制動態模擬的需要,提出了移動臺的隨機運動方程,進行了有關移動臺的分佈模擬,建立了綜合的通道模型;三、希望克服延時和跟蹤復網路環境變化,提出了功率控制的智能預測模型,通過智能預測模型可以改善功率控制的性能,著重介紹了採用神經網路的方法實現智能預測的通用模型,從而跟蹤復多變的無線環境,諸如慢衰落及快衰落(包括多徑衰落、多普勒效應所引起的衰落)等網路特徵,達到預測功率需求;四、採用二級正碼和智能天線(空分多址)的方法進行組內用戶的識別,改進功率控制效果;五、話權用戶的前向和反向功率控制方法;六、對引入gota的cdma系統提出了復合容量表示方法,並作容量分析,探討有關gota系統的qos問題。
  18. In this essay, firstly the author analyzes the predictability of time series from china ' s stock exchange using three kinds of methods : arma model, neural network model and non - parametric estimation and gives evaluation on their performances while at the same time puts forward some conclusions deserving attention from both stock exchange supervising department and stock traders. secondly, the author examines the assumptions closely on which the above - said methods base and gives a detailed discussion on them, especially using garch model to test quantitatively the stability of china ' s stock exchange, afterwards drawing the conclusion that it is hard to make accurate prediction of price or return rate of china ' s stocks for none of the assumptions fully holds ground. thirdly, taking account of the difference between chinese stock traders as a whole and that of developed countries, the author gives a thorough analysis on the complexity and volatility of its ( traders " ) reaction to information and points out that the intrinsic heterogeneous and volatile reaction to information is an important reason for the almost unpredictability of the price or return rate in china ' s stock exchange

    本文首先採用arma模型、非參數模型以及神經網路模型對我國股市時間序列進行研究,對三種方法在分析我國股市時間序列的表現進行評價,並得出了一些對監管部門以及股票易者有借鑒意義的結論;其次作者對三種模型分析我國股市時間序列的前提進行了討論,特別是利用garch模型對我國股市的系統穩定性進行了量化檢驗,得出了前提難以滿足導致準確預測我國股市價格或收益率困難的結論;第三,考慮到中國股市股票易者群體與發達國家股市股票易者群體之間的差異,作者借用行為金融學的理論成果對我國股票易者對信息反應的復性和易變性進行了詳細分析,指出股票易者對信息反應的異質性和易變性是造成難以準確預測我國股市的一個重要原因,考慮到我國股市以散戶為主導的特性將長期存在,因此將行為金融學的研究結論納入對我國股市時間序列的量化研究具有重要的意義;,作者從唯理預測與唯象預測之間差異的角度出發,指出了唯象預測的缺點並對我國股市時間序列的研究方向進行了展望。
  19. The labeled cdnas were used to hybridized with the prepared microarray. by using the dna microarray scanner and analysed with the quantarray software package, gene expression profiles of s. cerevisiae in response to heat were studied preliminarily

    提取熱休克前酵母細胞的總rna ,經逆轉錄標記合成cdna后與酵母基因表達譜晶元,初步研究了酵母細胞在熱應激時基因表達的變化。
  20. There are many methods for project financing, but as far as electric power projects are concerned, the most commonly used is bot ( and its outspread methods, for example boo ), that is creditors are responsible for the construction and basic operation, at last transfer the project to the issuer ( owner ) to complete the project financing process

    項目融資的方式有多種,但對于電力項目而言,常用的還是bot方式(及其擴展方式,如boo ) ,即對項目進行建設並完成初步運營,將整體完成的項目至項目發起人(業主)手中,從而完成一個項目融資過程。 boo項目融資在程序上較為復
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