雜交結實性 的英文怎麼說
中文拼音 [zájiāojiēshíxìng]
雜交結實性
英文
cross fruitfulness- 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...
- 結 : 結動詞(長出果實或種子) bear (fruit); form (seed)
- 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
- 結實 : bear fruit; seed; fructify; fruit; fructification
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It was suggested that eric - pcr could substitute for rapd in research related to the genetic identification and genetic diversity in auricularia and other edible and medicinal fungi : 2 to a certain extent, genetic differences among auricularia strains tested in this study did not have necessary relativity with their geographical origins respectively ; 3 in this study, genetic diversity in a. polytricha was higher than that in a. auricula : 4 in this study, a. fuscosuccinea had a higher homology to a. auricula than to a. polytricha ; 5 morphological characteristics validated the results from eric - pcr and provided a potential explanation for the higher similarity coefficient between a. auricular and a. fuscosuccinea ; 6 southern hybridization was employed by choosing a strain from a. auricula as a probe which hybridized with a. auricula and a. fuscosuccinea except a. polytricha, further confirming the veracity of the results from eric - pcr ; 7 in this study, isozyme analysis could not cluster the 7 strains from three auricularia species to different groups efficiently ; 8 2 strains from two auricularia species revealed high conservative degree and the restriction fragment patterns by 4 kinds of restricted enzymes showed no diversity
本研究中,木耳屬2個種的2個菌株在its區域表現出較高的保守性, 4種限制型內切酶的酶切圖譜沒有顯示出多態性;增加內切酶種類及供試菌株數量,有可能獲得具有多態性的限制性內切酶酶切圖譜; 9本實驗中, its區域的真菌特異性引物與真核生物通用引物對于擴增效果無較大差異,擴增片段長度均為650bp左右; 10根據形態學實驗、 eric - pcr實驗以及southern雜交實驗的結果分析,紫木木耳屬種質資源的遺傳鑒定和遺傳多樣性評價耳極有可能是毛木耳種的一個變種; n .本研究中所用的gutc法是一種適用於木耳屬菌株基因組洲a快速提取的方法; 12 .傳統的形態學分類法和現代的分子生物學分類法,兩者的關系是相輔相成,互為驗證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。By the results, the author considered that with the normal illumination, the algea ( chlamydomonas sajao lewin ) can release the availed phosphorus into the mediums from phosphate rocks, and supply the needs of the growth by the algea and rice in a mediums
研究結果表明,在本實驗條件下,沙角衣藻從礦石磷中釋放的可溶性的有效磷可以同時供雜交水稻和沙角衣藻使用,使二者在同一環境中正常生長。The authors discovered four peculiar phenomena, i. e., the self seed - setting and its genetic stability of the autoteraploid rice, the early - generation stabilization in the cites between alloploid rices, the self embryogenesis of autoteraploid rice wider isolated conditions, and a high seed - setting percentage in some plants of autotetraploid rice after the treatment of ion beam, in the research of autotriploid and autotetraploid rices
在對同源三倍體水稻和同源四倍體水稻的研究中發現了值得注意的4種奇特現象,即同源三倍體水稻的結籽現象及其倍性的遺傳穩定性、在異倍性水稻間的雜交後代中早世代性狀穩定遺傳的現象、在隔離條件下同源四倍體的胚自發現象和離子束注入后同源四倍體水稻單株的高結實現象。The env protein deduced from env gene encodes the hydrophilic surface protein ( su ) and the hydrophobic transmembrane domain ( tm ) that determine the specific interaction between virus particles and cell surface receptors during retroviral entry. the su of retroviruses is a highly variable genetic element, containing receptor binding sites and major antigenic determinants. exjsrv - specific dna probes were derived. by using these dna probes in tissue hybridization. we successfully identified jsrv mrna expression and proviruses dna in sheep lung tissues infected with jsrv and control group has no postive signals, validating the use of exogenous virus - specific dna probes in the analysis of oncogenic proviral integration sites and identification of integrated exogenous proviral sequences
用地高辛隨機引物法標記exjsrv特異的env片段,制備探針,原位雜交檢測spa肺組織中的rna及前病毒dna ,結果表明spa患羊肺組織內有jsrvenv基因mrna的表達,同時也檢測到了前病毒dna ,而相應的陰性對照卻無陽性信號,證實外源性病毒特異的dna探針在致瘤性前病毒的整合位點和整合的外源性前病毒的檢測中具有可信度。The genetic correlations of six agronomic characters in some indica - japonica crosses were analyzed using mixed - linear model method. the results indicated that there existed correlations to a certain degree among the measured traits. the phenotypic correlations of plant height with filled grain or seed setting were significant. panicle length with total grains or filled grain, total grains with filled grain or seed setting, and filled grain with seed setting were the same. for panicle length with plant height or seed setting, total grains with filled, and for filled grain with seed setting, genetic correlations were also significant. further analysis, the result showed that genetic correlations between the measured traits were mainly due to domimant effects. in addition, additive correlations were significant for grain weight with panicle length or total grains or filled grain, and for total grains with filled grain
用混合線性模型方法對秈粳亞種間雜交組合農藝性狀的相關性進行了遺傳研究,結果表明:被測性狀之間大都存在一定程度的相關.其中,株高與實粒數、結實率,穗長與總粒數、實粒數,總粒數與實粒數和結實率,以及實粒數與結實率之間具有顯著的表型相關,總粒數與實粒數,實粒數與結實率,以及穗長與株高和結實率之間具有顯著的遺傳相關.進一步的分析表明,性狀之間的遺傳相關大多歸因於顯性效應,而粒重與穗長、總粒數和實粒數之間,以及總粒數與實粒數之間還具有極顯著的加性相關Seventy - nine improved wheat cultivars ( lines ) including some related parents were corssed with rye to detect the difference of crossability among wheat genotypes and the developing tendency of crossability during the cultivar renewing period in shandong province, the results expressed that crossability of improved cultivars with rye were significantly lower than that of the check ( chinese spring ), and there were 3 cultivars with a seedset of more than 50 %, 4 cultivars with the seed - set of 30 % - 50 %, 8 ones with that of 10 % - 30 %, 50 ones with the seed - set of less than 5 %, and the other 14 cultivars with the seed - set of 5 % - 10 % ; the mean crossability between wheat and rye decreased with the renewing of cultivars in shandong, and the number of cultivars with the seed - set of more than 50 % and 30 % - 50 % also decreased, but that with the seed - set of less than 5 % increased gradually during the renewing period ; pedigree analysis revealed that the crossable gene of the tested cultivars might come from 3 landraces ( youzimai, mazhamai and huixianhong ), laizhou 953, 8641012, yannong 15 et al were improved wheat cultivars with both excellent agronomic traits and high crossability with rye
以79個改良小麥品種(系)與黑麥進行雜交,研究普通小麥品種與黑麥雜交親和性的差異及其親和性在品種更新、更換過程中的演變趨勢,結果表明:供試改良小麥品種與黑麥的雜交親和性顯著低於對照中國春;結實率大於50 %的品種3個,占供試品種的3 . 8 % ,結實率介於30 % - 50 %之間的品種4個,佔5 . 1 % ,結實率介於10 % - 30 %之間的品種8個( 10 . 1 % ) ,結實率小於5 %的品種50個,佔63 . 3 % ,另外,結實率介於5 % - 10 %之間的品種14個,佔17 . 7 % ;普通小麥與黑麥的雜交親和性隨著品種的更新、更換呈下降趨勢,平均結實率大於50 % 、介於30 % - 50 %的品種數均呈下降趨勢,而結實率5 %的品種數呈上升趨勢;系譜分析表明,供試改良品種的親和性大都來源自蚰子麥、螞蚱麥、輝縣紅3個地方普通小麥品種;萊州953 、 8641012 、煙農15等是親和性和綜合性狀都較好的改良小麥品種(系) 。Using the complex potential method in the plane theory of elasticity of an anisotropic body, the series solution of finite anisotropic thin plate containing an elliptical inclusion is proposed with the help of faber series. a hybrid element with an elliptical inclusion for anisotropic materials is obtained by using the hybrid variable principle, and the element efficiency is verified by numerical examples. the state of the damage is modeled by an elliptical soft inclusion, and using the point stress criterion based on characteristic curve and yamada - sun etc. criteria, the prediction of the strength of a composite laminate with damage is set up
首先基於經典層板理論,將復合材料層板的彈性問題化歸為均勻各向異性板來求解;採用各向異性體平面彈性理論中的復勢方法,以faber級數為工具,給出了有限大含橢圓核各向異性板彈性問題的級數解形式;利用雜交變分原理,成功導出含橢圓核各向異性板雜交應力有限元,並用算例驗證了該單元的可行性和有效性;採用含剛度折減橢圓形彈性核的沖擊損傷模型,引入基於特徵曲線和yamada - sun破壞準則的點應力判據,建立了含損傷復合材料層板剩餘強度的分析方法;通過數值計算詳細討論了各種幾何參數對損傷層板應力分佈、剩餘強度的影響,得到了一系列對工程應用具有實用價值的結論。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。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雜交元法兩者結合起來,導出一種兼有兩者優點的數值計算方法? ?混合雜交有限條法。運用這種方法對正交異性板的強度和穩定進行了分析,推導出正交異性板在這種方法下的分析計算公式,用fortran - 77語言編寫正交異性板混合雜交有限條法程序( hfsop . for )在微機fortran90環境下運行。通過算例與傳統的方法比較,驗證混合雜交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」 ;最後,論文還用此方法對一正交異性板進行了穩定分析,得出臨界應力值。For the real time performance need of the low speed speech compress algorithm and the asic implement of the transfer process between programs, the design is put forward in the paper, in which state registers control the cross access between operator and memory, register windows are used for the parameters transfer, and the technique of hardware controlling is used to avoid pipeline conflict, so that the main problems of the transfer process in tr600 are solved effectively
摘要針對低速率語音壓縮演算法對處理器系統實時處理復雜運算的性能要求,就程序調用過程的asic實現問題進行了對比與分析,進而提出了用層次狀態寄存器控制存取運算元對存儲體交叉訪問的方法,並結合運用寄存器窗口傳遞參數的功能,以及利用空指令硬布線處理流水線沖突的方法,有效地解決了tr600晶元中調用過程存在的主要問題。By sun, bo ( major : marine biology ) directed by professor zhang, guofan and dr. liu, xiao population genetics of four argopecten irradians cultured populations was analyzed by using random amplification polymorphism dna ( rapd ) techniques. and partial dna sequences of the internal transcribed spacers ( its ) from four representative samples ( one sample represent for each population ) were amplified by pcr and sequenced in order to stress the phylogenetic relationships of the four populations. besides, by rapd technique, two argopecten irradians families were studied to examine whether the hybridization experiments were successful and which family was more suitable to be materials in future genetic linkage map construction
本文以海灣扇貝4個養殖群體為研究對象,採用隨機引物多態性dna ( rapd )技術進行了群體遺傳學研究,並嘗試使用4個群體中代表個體的內轉錄間隔區( its )序列比對分析結果作為參考;另外,本文還運用rapd技術對人工異體交配的2個海灣扇貝家系的雜交成功率進行了分析,均獲得成功證實,並評估了兩個家系構建遺傳連鎖圖譜的潛力。In order to speed up the agriculture structure adjustment, we shall adopt a policy if " science and technology promote forestry and husbandry. " we will absorb foreign investment in feed flavors, health care products made of ginkgo leaves, forestation of quick growing trees, forestry disease protection and reforestation if yuntai forestry, reform of low vield fruit orchards, hvbridization of goats, feed research for aquatic products, new medicine development for animals, feed additives development. this may improve the product quality and competition, and also speed up the development of diversified economy
加快農業結構戰略性調整,大力實施科技興林、科技興牧戰略,我局擬對飼料風味劑的開發應用、銀杏葉保健晶系列開發、營林速生豐產林、雲臺山森林病蟲害防治暨更新造林、低產果園改造、波爾山羊雜交改良、水產飼料研製、新獸藥開發、新飼料添加劑研製開發等項目進行招商,以進一步提高多種經營產品品質和市場競爭力,加快多種;經營的發展。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交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,對聲納基陣復雜的非線性耦合模型進一步簡化;最後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。Air of this advanced development provides efficient methods for protein engineering. in this study, a new two - step procedure has been developed for the detection of cholesterol oxidase activity in streptomyces strains. streptomyces griseus atcc14811 was confirmed to produce cholesterol oxidase and it also showed homologies with the cholesterol oxidase gene ( choa ) from streptomyces sp
本實驗設計了簡單易行的鏈黴菌膽固醇氧化酶活性測定指示平板,結合用鏈黴菌sa - coo ( streptomycessp . strainsa - coo )膽固醇氧化酶基因( choa )為異源探針的southern雜交,確證了灰色鏈黴菌atcc14811 ( streptomycesgriseusatcc14811 )具備產生膽固醇氧化酶的能力。To avoid cross hybridzation due to the conservative myb - domain a fragment specific only for the c - terminal part of the gene was used as a probe. independent of the restrictase used for digestion single band was detected
實驗中為了避免由於保守的myb結構域而造成該基因和同類轉錄因於的雜交,所用探針僅用mxmybl基因c一端的特異性片段。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。The cdna expression library that contains no intron theoretically include all expressed genes and conserve resource genes permanently. lt can be used to find out and clone some genes which can express particular protein with modern molecular biological techniques, such as immunological screening, drug - prob screening, southern et al. lt is very important to study the life nature of plasmodium falciparum in molecular level. with the developments of these studies, the drug - resistant mechanism of the plasmodium falciparum and the genes of some specific medicine binding protein can be made well - known. at the same time, the researches will do good to explain the mechanism of some specific medicines in order to design and screen new anti - malaria drugs
建立cdna表達文庫在一次永久保存基因資源的同時,可以利用功能篩選、免疫學篩選、藥物探針篩選、 southern雜交和大規模序列測定等現代分子生物學技術尋找特異性活性蛋白基因,進而克隆和表達這些基因,對從核酸及蛋白質等分子水平研究瘧原蟲的生命活動規律,對揭示其抗藥性分子機理,搞清某些特效藥物結合蛋白的基因及此類藥物的作用機制,對新型抗瘧藥物的合理設計及篩選都具有極其重要的現實意義。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。To explore the influences of setting rate of male parent varieties on that of their medium hybrid rice combinations, the correlation of setting rate between male parents and their corresponding combinations was analyzed with 7 male parent varieties and their corresponding combinations
摘要為探明父本結實率對雜交中稻組合結實率的影響,以7個父本品種和相應雜交組合為材料,對父本結實率與相應組合結實率的相關性進行了分析。分享友人