遺傳重組 的英文怎麼說

中文拼音 [zhuànzhòng]
遺傳重組 英文
genetic recombination
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  • 遺傳 : [生物學] heredity; hereditary; inheritance; inherit
  • 重組 : bpr
  1. Genetic recombination can occur without the formation of a chiasmata.

    遺傳重組在沒有形成交叉的情況下,也可以發生。
  2. The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation. it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design. the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence, the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample, it assures the sample approach to the pareto optimal solution set in fast convergent speed

    較好地解決多阻尼比反應譜擬合問題;本文方法通過一次運行就能獲得一具有集系特性的地震動,在擬合多阻尼比反應譜的人造地震波集系的模擬方面有統方法所不能比擬的優勢,產生的人造波或人造波集系可滿足工程抗震設計需要;在演算法中,交叉概率和變異概率是影響收斂速度的要參數,本文採用的改進自適應交叉概率和變異概率,可以根據當前樣本的好壞程度來自動地選擇適當的交叉概率和變異概率,以保證演算法始終以較好的速度向pareto最優解集逼近。
  3. The cause that causes dark skiing ulcer has a lot of, have endocrine, food, genetic factor, the one mite bug that returning bug having mite also is the main reason that causes dark skiing ulcer lives inside wool bursa and sebaceous glands, it absorbs the nutrition of wool bursa and sebaceous glands cell, discrepancy skin carries a lot of bacteria, it secretes the dead damage body of excretive material and mite bug to be able to cause the skin organize inflammation to cause dark skiing ulcer

    引起暗瘡的原因有很多,有內分泌、飲食、的因素,還有蟎蟲也是引起暗瘡的要原因之一蟎蟲生活在毛囊和皮脂腺內,它吸收毛囊和皮脂腺細胞的營養,出入皮膚帶入很多細菌,它分泌排泄的物質和蟎蟲的死亡殘體都會造成皮膚織發炎引起暗瘡。
  4. Selection maskers are the important ingredient of the vector, and it is also a hot research spot of the genetics of lactic acid bacteria at present

    篩選標記是載體的成部分,也是目前乳酸菌學研究領域的一個熱點。
  5. Heredity modes of 6 traits were studied by analysis of population genetics, by the method of family combination analysis, by the methods of proband ' s sib analysis, segregation analysis, the threshold model of polygenes, and analysis of typical family trees, according to the data of the 72 families. the relative importance between genetic and environmental effect on each character was evaluated by comparing the coherence of twins. gene frequencies of 5 genetic characters, calculated from han group in huhhot, were compared with other groups by u - test so as to study the population or nationality difference in heredity

    採用群體學分析、家系合分析法、先證者同胞法、分離分析法及多基因閾值模式分析方法對所得家系資料進行了統計學分析,結合家繫系譜分析探討了上述6項特徵的方式;通過雙生子一致率的比較,對上述特徵的與環境效應的相對要性進行了評價;計算了呼和浩特市漢族群體5對性狀的基因頻率,採用u檢驗方法與相關文獻報道的其他群體進行了比較,探討了不同種族間或民族間的差異性。
  6. This modification includes : ( 1 ) selecting two important molecules as candidates, ( 2 ) choosing a promiscuous t - cell epitope, and two b - cell epitopes or conserved amino acid sequences from the two important molecules, ( 3 ) connecting them adequately through analysis by the molecule designing software. therefore, the synthetic new antigen may interfere with the process of fertilization by multiple ways and its contraceptive effects may be enhancing. based on the molecule designing methods, the b - lymphocyte cell epitope of sperm / testis specific protein sp17 and cyritestin which interfere with fertilization in mouse, as well as the promiscuous th cell epitope of the ribonuclease ( rnase ) in bovine were selected

    本研究以蛋白質分子設計的理論和方法研究避孕疫苗,將sp17和cyritestin關鍵表位和牛核糖核酸酶非選擇性th細胞表位合理合,獲得新抗原- 35肽序列;並在合成、純化後分別與弗氏佐劑、免疫刺激復合物( iscoms )混合后免疫不同背景的雌性小鼠,觀察血清和生殖道內的特異性抗體滴度的動態變化、生育力的改變以及免疫后小鼠要臟器的織病理學改變:以及在ivf下,新抗原的特異性抗血清對精卵相互作用的影響及抗原在精子表面的特異性定位。
  7. The positive correlation between 1000 - grain weight and grain numbers per spike, plant height and protein content, heading date and spikelet number per spike, have disadvantageous effect on the genetic improvement of wheat - rye recombinant lines

    千粒和穗粒數的負偏相關對小麥異源(黑麥)系的改良有大影響,打破該相關也相當困難。
  8. Recent studies show that dna transfer and recombination technology provides great potential for genetic improvement of zoysiagrasses ; molecular linkage maps were constructed from zoysia japonica and its hybrids with zoysia matrella ; the researches on gene cloning and gene resource are in progress

    最近的研究表明,基因轉移與技術在結縷草改良中具有巨大應用潛力;結縷草連鎖圖譜構建取得要進展;基因克隆和基因資源研究正在展開。
  9. The topics include : structure and function of genes, chromosomes and genomes, biological variation resulting from recombination, mutation, and selection, population genetics, use of genetic methods to analyze protein function, gene regulation and inherited disease

    主題包括:基因、染色體與基因的結構和功能;來自於基因、突變和篩選的生物變異;族群學;運用學的方法分析蛋白質的功能,基因的調控和性疾病。
  10. The numerical simulation equations of the border curves in term of and as well as the matching rules and the frequency dependence of microwave electromagnetic parameters of a broad - band homogeneous absorbing coating with a finite value of reflection loss are available. these results pointed out the direction to develop rams ". according to the radar - absorbing model, the optimized design of rams with thin - layer, light - weight, broadband and strong - absorbing is available by the simple genetic algorithms, which can effectively conduct the research work of rams to the detail. small but completely, the electromagnetic parameter ' s databases of rams that based on actual microwave absorbers have been set up, the object function has been constructed which conform to the involved goals, the adaptive coding measure is taken which extends the coding length dynamically adapting to the condition of the number of actual absorbers or the precision of thickness and absorber - volume - percentage, the decoding technique is initiated which satisfies light - weight and strong - absorbing as well as thin - layer and broadband by adopting of tracing variable restricting conditions dynamically to control total thickness. when decoding, the variable restricting conditions of thickness are dynamically traced, so gain the radar absorbing coatings of light - weight multiple - layer single - ingredient. similary, of thickness and absorber - volume - percentage, of light - weight multiple - layer multiple - ingredient. also, the rams ' demand to radar - absorb performance as frequency is met making use of the penalty function

    作為演算法的具體實施:根據本實驗室近來研製的吸波材料,建立了吸波材料的相關數據庫;構造了能真實體現「薄、輕、寬、強」優化目標的目標函數;根據材料的實際數量以及塗層厚度精度要求、吸收劑體積分數精度要求,建立了能動態擴展相應碼長的自適應編碼方法;首創了通過動態跟蹤變量的約束條件來控制塗層總厚度的解碼技術,以此實現了在不弱化寬頻、高強的吸波性能目標的同時,兼顧到薄層、輕質的使用性能要求;在解碼時通過動態跟蹤厚度變量的約束條件,實現了多層單分吸波塗層對量輕的要求;通過動態跟蹤厚度變量的約束條件和吸收劑體積分數的約束條件,實現了多層多分吸波塗層對量輕的要求;使用權系數變化法,實現了吸波塗層的分頻段吸波性能要求。
  11. In an important emerging area of technology called evolvable hardware, however, microchips can be instantaneously configured to physically implement each circuit of a genetic programming run

    不過,在可演化硬體這個新興的要科技領域中,我們可以立刻裝微晶片,實質測試規劃執行過程中每個電路的效用。
  12. In this study, the recombinant fowl - poxvirus was transfected into expressing the vp3 gene of isolated gpv h1 strain into the cef cells with fpv - 017 by liposome, which have the lacz reporter gene, earlier / latter promoters lp2ep2 of fpv, promoters p7. 5 and p7. 1 of vaccinia virus, replication unnecessary region of fpv - 017. following 6 cycles screenings, clonings, purification of blue plaques, detection of pcr and dot - elisa, which verified the genetic stable vp3 - fowlpox virus recombinant constructed successfully. this study provided the theoretical and practical foundation for development of gpv recombinant fowl - poxvirus genetic engineering vaccine, as well as provided substance preparatory for prevention the high mortality gpv

    本研究採用脂質體轉染方法,將含有完整gpvh1分離株vp3基因、報告基因lacz 、禽痘病毒早晚期啟動子lp2ep2 、痘苗病毒啟動子p7 . 5 、 p11和fpv - 017復制非必須區的轉移載體質粒psy681vp3lacz與fpv - 017共轉染雞胚成纖維細胞,經6輪蝕斑克隆、篩選、表達, pcr鑒定和dot - elisa檢測,證明該病毒已構建成功,並獲得了性狀穩定的鵝細小病毒vp3基因的禽痘病毒。
  13. A fuzzy probability reasoning model for transformer faults diagnosis is rebuilded based on probability reasoning and fuzzy theory. a ga resolvent for the model is put forward from the point of nonlinear combinatorial optimization view

    本文在概率因果推理模型的基礎上,引入模糊理論,新建立了模糊概率因果變壓器故障診斷模型,並從非線性合優化的角度提出了該模型的演算法求解策略。
  14. 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)配製完全雙列雜交合20個,通過親本和f1的2年隨機區試驗發現產量性狀的鈴和衣分與環境的互作效應小,不存在母體效應,並以加性效應為主,分別占表型方差的51 . 2 %和65 . 4 % ;顯性效應所佔的比率也較高,分別為32 . 6 %和16 . 8 % .鈴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;鈴的超親優勢為2 . 0 % ,不顯著;衣分為顯著的負值( - 2 . 1 % ) .分析與雜種優勢結果一致.具體表現在產量性狀上,親本相當配製的合雜合顯性較高,其超親優勢正向顯著,而極值親本(差異較大)所配合沒有超過高親的.這表明親本差異小、親源關系較近的親本中仍然存在足夠的變異或某種機制以創造變異使育種取得更大的進展.相關分析表明了仍然存在嚴的品質與產量的負相關,改良的難度較大
  15. 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合農藝性狀的相關性進行了研究,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相關.進一步的分析表明,性狀之間的相關大多歸因於顯性效應,而粒與穗長、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
  16. Citrus cybrids and their cytoplasmic genetic recombination

    柑桔胞質雜種及其胞質遺傳重組
  17. Approaches to teaching genetic recombination

    遺傳重組教學探討
  18. Degradation and survival of genetic recombination microorganisms in anthracene - contaminated soil and water

    降解蒽遺傳重組菌在蒽污染環境中的降解和存活能力研究
  19. Selection of genetic recombinant marker for nitzschia closterium

    新月菱形藻遺傳重組標記的選擇
  20. To confirm that the histamine receptor connects the drug, ampk activity and appetite, the team gave clozapine to mice genetically engineered without a histamine receptor

    為證實胺受體和藥物、 ampk活性、和食慾相關,研究給經遺傳重組后缺失去胺受體的小鼠氯氮平藥物。
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