雜交變異 的英文怎麼說

中文拼音 [jiāobiàn]
雜交變異 英文
cross variation
  • : 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...
  • : 形容詞1 (有分別; 不相同) different 2 (奇異; 特別) strange; unusual; extraordinary 3 (另外的;...
  • 雜交 : [生物學] hybridize; cross; hybridization; cross breeding
  1. 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區域的真菌特性引物與真核生物通用引物對于擴增效果無較大差,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
  2. This paper summarized the inheritance and variation of main biological and economic characters in rape progeny from hybridization and distant crossing, inquired into the selective mating of hybrid parent and the selection of hybrid progeny, analyzed the problems which had existed in rape distant crossing breeding, and put forward some ideas for accelerating the stability of characters in distant crossing progeny

    概述了油菜品種間後代及遠緣後代主要生物學性狀和經濟性狀的遺傳現象;對親本的選配及種後代的選擇進行了探討,分析了油菜遠緣育種中存在的問題,就加速遠緣種後代的穩定提出了一些見解。
  3. The total variation range in seed weight for all crosses was 16. 7 mg.

    所有在種子重量上的總范圍為167毫克。
  4. According to the complication of cyclic loading the aeolotropism and bauschinger effect resulted form plastic deformation were reflected by the kinematic hardening model, the transient stress - strain relation was described by jhansale model in the iterative formulas

    在迭代格式中,針對復載荷,採用運動強化模型,反映了塑性形引起的各向性和包辛格效應,運用jhansale模型描述材料的瞬態應力應關系。
  5. Abstract : the paper considers that the experiment of affect scion of prunus japonica thunb on stock of prunus armeniaca l. furnish fresh evidence for graft hybridization , and proposes the possible mechnism for production of tillering prunus japoniaca thunb according to recent achievements in plant molecular biology

    摘要本文認為「接穗郁李影響杏砧的實驗」為嫁接研究提供了新的證據,並根據近年來植物分子生物學的有關研究成果,對蘗生郁李產生的原因進行了解釋。
  6. Based on natural selection, it executes three same and simple genetic operators : selection, crossover and mutation. under the leading of fitness value, it makes an efficient searching in complex spaces until acquiring the best result

    它基於自然選擇的原理,通過循環執行相同的、簡單的選擇、三種遺傳操作,並在適應度函數值的引導下對復的解空間進行有效地搜索,直到獲得最優的解。
  7. It is applicable to various structural distribution networks. while resolving the " large area restoration ", the genetic algorithm execute three same and simple genetic operators : selection, crossing and mutating. it make a self - adaptable and probability overall searching under the leading of fitness value in the whole searching scale until acquiring the best result

    在求解網路故障后重構問題時,互動式模糊遺傳演算法通過循環執行相同的、極其簡單的選擇、三種遺傳操作,並在適應度函數值的引導下在搜索空間進行自適應概率性全局搜索,直至獲得全局最優解。
  8. Twenty f1 combinations crossed among 5 varieties and strains different in fiber properties according to complete diallel crossing design were used to evaluate the heterosis and gene action of boll weight and lint percentage in high quality fiber property varieties in upland cotton in 1998 1999 for two year successively at nanjing. it was indicated that there existed small interactions with the environmental factors without maternal effects and the additive gene effect was in chief, attaining to 51. 2 % and 65. 4 % respectively for boll weight and lint percentage. the dominant effect was also in higher rate, 32. 6 % and 16. 8 % respectively. the population mean heterosis of boll weight and lint percentage over the mid - parental mean were relatively prominent 13. 3 % and 3. 5 % respectively in extreme significance. however, boll weight showed no significantly surpassing parental f1 heterosis over the better parent based on population mean ( 2. 0 % ) ; while the lint percentage expressed significant negative heterosis value ( - 2. 1 % ). the gene actions were in conformity with the heterosis expression. it was shown clearly that the f1 combinations crossed between parents with similar performances had relatively high dominant effects and significant positive f1 surpassing parental heterosis ( f1 heterosis over the better parent ) ; while no f1 combination crossed between the parents with prominent mutual difference surpassed the higher parent in yield components, which indicated that among those parents with less difference and close relationships, there still existed sufficient genetic variation or certain mechanism for creating variation and achieving greater advances in breeding. correlation analyses also indicated that there still existed severely undesirable negative correlation between yield and fiber properties as well as the difficulties for their simultaneous improvements

    利用5個具有不同纖維品質性狀的品種(系)配製完全雙列組合20個,通過親本和f1的2年隨機區組試驗發現產量性狀的鈴重和衣分與環境的互作效應小,不存在母體效應,並以加性遺傳效應為主,分別占表型方差的51 . 2 %和65 . 4 % ;顯性遺傳效應所佔的比率也較高,分別為32 . 6 %和16 . 8 % .鈴重和衣分的群體平均優勢較大,分別為13 . 3 %和3 . 5 % ,達到了極顯著;鈴重的超親優勢為2 . 0 % ,不顯著;衣分為顯著的負值( - 2 . 1 % ) .遺傳分析與種優勢結果一致.具體表現在產量性狀上,親本相當配製的組合合顯性較高,其超親優勢正向顯著,而極值親本(差較大)所配組合沒有超過高親的.這表明親本差小、親源關系較近的親本中仍然存在足夠的遺傳或某種機制以創造使育種取得更大的進展.相關分析表明了仍然存在嚴重的品質與產量的負相關,遺傳改良的難度較大
  9. With strong specificity and easy to manipulation, this simple, inexpensive, rapid molecular beacon hybridization technique permits visual monitoring of gene point mutation and snp, which shows better advantage than pcr - sscp. 2

    Mb技術特性強,簡單快捷,能進行可視性檢測,完全適用於點突和snp的研究,技術特點明顯優于pcr sscp 。
  10. In this study, sd rats were used to establish the animal model of brain injury induced by repeated + gz exposure and suppression subtractive hybridization technique was adopted to screen the differentially expressed genes in rat brains of + gz exposure group. the aim of the study was to obtain preliminary experimental data for the molecular mechanisms of the brain injury

    本研究利用大鼠重復+ 10gz暴露引發腦損傷的動物模型,觀察腦的病理學改;應用抑制性消減技術篩選+ gz重復暴露大鼠腦的差表達基因,旨在初步探討+ gz重復暴露致腦損傷的分子機制。
  11. The optimization objective is to minimize the entire system ' s line loss per day, and the permissible number of equipment switching is considered as the constraint in this model

    針對計算模型,基於遺傳演算法的思想,設計了相應的編碼、操作。
  12. 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,研究普通小麥品種與黑麥親和性的差及其親和性在品種更新、更換過程中的演趨勢,結果表明:供試改良小麥品種與黑麥的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) 。
  13. 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性板來求解;採用各向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性板彈性問題的級數解形式;利用分原理,成功導出含橢圓核各向性板應力有限元,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。
  14. In this algorithm decimal coding ( which is suit for multi - dimension search ) is adopted, the arithmetic crossovering and adaptive mutation are also introduced. then the genetic algorithms are implemented in matlab

    該遺傳演算法採用十進制編碼(更適合高維搜索) ,並且引入了遺傳演算法的最新思想? ?算術思想和自適應思想。
  15. Pian presented mix fem and hybrid fem in 1964. for its good capability in solving the irregular elements problems, incompressible material problems, and high precision in stress and strain results, the research of mix and hybrid fem is in the ascendant

    Pian於1964年基於hu - washizu分原理提出了元和混合元方法,由於該方法在單元畸、不可壓縮性和應力應求解方面表現出優的性能,目前的研究正方興未艾。
  16. 5. the mpcr - rflp assay was useful for its reliability in monitoring hbv ymdd mutants. melting curve assay and pcr microplate hybridization - elisa assay should be further improved to increase their sensitivity and specialty

    5 . mpcr一rflp法檢測ymdd突株具有較好的可靠性和可行性,是監測拉米夫定耐藥株的一種非常有效的方法;熔解曲線法和pcr微板核酸法需要進一步完善以提高敏感性和特性。
  17. From the randomized initial population, using the operators such as select, crossover and mutation, it can converge the globe optimum solution

    從隨機產生的初始種群出發,通過選擇、等遺傳運算元,使種群一代一代地進化到最優解。
  18. Bridge, as a crucial conjunction and controlling place of road, is influenced complicatedly by many factors, for example, design normal, fixed number of year in use, material, environment, quality of maintainence, traffic, load and accident, etc. so, the construction of bridge will be changed and its capacity of bearing the weight will drop down gradually. in addition, bridge ' s erosion, aging, and damage, all these factors bring about hidden troubles for bridge ' s use

    橋梁作為道路通的關鍵結合部與控制部位,它受到設計標準、使用年限、工程材料、外部環境、養護質量、通量、作用荷載、偶然事故等因素錯綜復互影響,必然會使橋梁結構內部產生性,導致承載力逐漸降低,再加上橋梁的腐蝕、老化、疲勞、破損,給橋梁的正常使用埋下了隱患。
  19. That is because only large firms have been able to afford the supercomputers needed to mutate and crossbreed large virtual genomes ? and then simulate the behaviour of their offspring ? for perhaps 20m generations before the perfect design emerges

    因為只有那些大公司才能負擔得起費用來使用必須由超級計算機來進行的對大型虛擬染色體進行- -以及隨后對這些染色體後代行為模擬- -在完美的設計浮現之前,可能需要經歷2000萬代。
  20. With respect to genetic similarity, genetic distance and cluster analysis among samples of f1 generation, it showed that the most genetic identity is between jfp and jmp, ( i = 0. 9934, dnei = 0. 0066 ), the next was between jp and jmp ( i = 0. 9873, dnei = 0. 0128 ), the third was jp and jfp, with i = 0. 9681, dnei = 0. 0325 ; the fourth was jp and cp, with i = 0. 9035, dnei = 0. 1015 ; the fifth was cp and jmp, with i = 0. 8862, dnei = 0. 1208, and the furthest was between cp and jfp, with i = 0. 8648, dnei = 0. 1452

    由此可以看出在此四組中,組的遺傳明顯高於自組的,種優勢已初步顯示出來。而在兩組中,日雄中雌組又優于日雌中雄組中自組。群體間遺傳相似系數和遺傳距離及聚類分析結果表明:兩組間的遺傳相似系數最大,遺傳距離最小,僅為0 . 0066 ,而中自組群體與日雌中雄組群體的遺傳距離最大為0 . 1452 ,兩自組群體間的遺傳相似系數為0 . 9035 ,遺傳距離為0 . 1015 。
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