限性遺傳 的英文怎麼說
中文拼音 [xiànxìngyízhuàn]
限性遺傳
英文
one sided inheritance- 限 : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 遺 : 遺動詞[書面語] (贈與) offer as a gift; make a present of sth : 遺之千金 present sb with a gener...
- 傳 : 傳名詞1 (解釋經文的著作) commentaries on classics 2 (傳記) biography 3 (敘述歷史故事的作品)...
- 遺傳 : [生物學] heredity; hereditary; inheritance; inherit
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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In chapter 3, we study the property of complete exceptional sequence. in chapter 4, we make research on the hochschild cohomology of endomorphism algebras of complete exceptional sequence over hereditary algebras
第三章,我們證明了有限維遺傳代數中,完備例外序列的維數向量的性質定理以及完備例外序列的誠實性。We improved the theorem of inverse limits of hereditarily - normal spaces, and gave a simple proof of this result
摘要討論了-正規空間的逆極限性質,改進了文[ 7 ]中關于遺傳-正規性逆極限保持定理,並給出一個簡單證明。Are there similar characterizations for the countable paracompact ( mesocompact, metacompact ) space and hereditarily mesocompact space ? in this paper, on the basis of the aboves, we obtain some results about them. and the product properties of mesocompact spaces and hereditarily mesocompact spaces have been paid attention. but there is no good result about them. in this paper we obtain a result about the limit of the inverse system of a normal mesocompact space and a hereditarily normal and hereditarily mesocompact space
那末,可數仿緊(中緊、亞緊)空間及遺傳中緊空間是否具有類似junnila的刻畫呢?本文圍繞這個問題在上述結果的基礎上證明了一些結果。另外,中緊空間和遺傳中緊空間的可乘性問題一直受到人們的關注,但還沒有好的結果,本文證明了一個關于正規中緊空間及遺傳正規且遺傳中緊空間的逆極限的結果。Another topic of this article is to try to find a proper overlay design method. by using elastic layer system ( els ), finite element method ( fem ), genetic arithmetic ( ga ) back calculation and efficacious thickness method, the paper puts forward four design methods. the results say that the position where the max stress appears is not the only one but varies with the thickness of overlay
根據陜西省高速公路瀝青路面病害以及使用性能的實際情況,提出了代表彎沉值的計算方法以及下臥層模量的反演方法,在此基礎上利用彈性層狀體系理論、有限單元理論、遺傳演算法以及有效厚度法等理論對加鋪層厚度設計方法進行了研究。Study limitations included the lack of recording for tumor grade and estrogen - receptor status, and the possibility of misclassification of some hereditary cases
本研究的局限性包括缺乏腫瘤分級和雌激素受體狀態的記錄,以及可能對某些遺傳性病例分類錯誤。The research an bamboo genetics and breeding were limited by bamboo ' s characteristics and progressed slowly
摘要竹子遺傳育種研究因為受到其生物學特性的限制,一直進展緩慢。Using the vaiety egg ' s color limition of siverworm from romania and the black egg qingsong and by the crossbreeding, the egg ' s color and the egg number of f1, f2, f3 generations, as well as female and male proportion in black or white egg wene nvtigated after the quantity statistical analysis the gene and the gene heredity rule of egg ' s color limition, wene deriked the new system of white egg was kfained
摘要利用羅馬尼亞引進的卵色限性品種與黑卵品種菁松,通過雜交育種,調查f1 , f2 , f3代的卵色及卵數,以及黑、白卵中的雌雄比例,經統計分析確定基因型,查明了卵色限性基因的遺傳規律,並獲得了新的白卵系。A combined neural network and genetic algorithm with solving stability safety of homogeneous slope was proposed and the finite element method is applied to analysis the progressive failure process of the slope and the maximum equilibrium theory, requests out stability safety of homogeneous slope with the smooth arc radius of difference with the difference below the level coordinate of arc peak, utilizing the neural network algorithm to establish slidng the nonlinear mapping relationship between level coordinate of arc radious and arc peak, being adapted the neural network algorithm to look for along the minimal stability safety of homogeneous slope and corresponding arc radious and arc peak
提出了求解邊坡穩定性安全系數的神經網路與遺傳演算法。該方法採用有限元分析和極限平衡理論,求出不同的滑弧半徑和不同的弧頂水平坐標下的邊坡穩定性安全系數,利用神經網路演算法建立滑弧半徑和弧頂水平坐標與安全系數之間的非線性映射關系,採用遺傳演算法搜索邊坡的最小穩定性安全系數及相應的滑弧半徑和滑弧中心坐標。Then, we establish the finite element analysis models of the antenna in different structure layout, and obtain the corresponding frequencies and model shapes. finally, according to the importance of each object, we set up the model of multiple objects that aims to maximize the first natural frequency and minimize the mass. combining orthogonal experiment and variant weighting coefficient method, we formed an effective multiple objects optimized algorithm basing on the neural network and genetic algorithm
本文首先詳細的敘述了天線結構的各組成單元,闡明了天線反射拋物面的形成原理;然後在ansys軟體環境中建立了不同結構布局下天線的有限元分析模型,分析計算了各種情況下天線的的固有頻率與振型;最後依據天線各指標的重要性,建立了以一階固有頻率最大、質量最小為目標的天線結構多目標優化設計模型,並基於神經網路和遺傳演算法,結合正交實驗和變加權系數技術,形成了一種有效的多目標優化演算法,在matlab平臺下實現了天線的結構多目標優化設計計算程序,求得了天線的最佳結構參數。On the other hand the information cryptogram technology and card identification of 1c appl ication system are also introduced. a novel fingerprint image preprocessing method is studied based on the trend of fingerprint veins, and some feature extraction and fingerprint matching methods based on fingerprint minutia based on a novel multi - fitness genetic algorithm ( mfga ) are also studied
在分析了國內外指紋識別理論研究的基礎上,研究了一種基於指紋紋線趨勢的指紋圖象預處理方法並取得了較好的模擬效果;研究了遺傳演算法在指紋模式匹配中的應用,針對遺傳演算法在模式匹配的局限性,提出了一種多適應度遺傳演算法( mfga ) ,並在此基礎上對原遺傳匹配演算法做了進一步的改進。These achievements will enrich the relationship between pair - network and network, and further understand the internal connection between hereditarily closure - preserving families and point countable families or locally finite families, and better certain topological non - variability of the space with pair - networks, and enrich the theory of generalized metric space. this paper reached some principal conclusions about the space with - hereditarily closure - preserving pair - networks
弱遺傳閉包保持雙網路空間的類似結構,這些結果將更加充實雙網路與網路之間的關系,進一步明確遺傳閉包保持集族與點可數集族或局部有限集族之間的內在聯系,完善由雙網路確定的空間關于拓撲運算下的某種不變性,豐富了廣義度量空間理論The theory and the implementation of the genetic algorithms are discussed in detail. the question on how to choose the crossover probability, the mutation probability, the scale of population and the numbers of the generation is discussed. then, the mathematics model of the optimal design is established
詳細介紹了遺傳演算法的理論和實現技術,探討了交叉概率、變異概率、群體規模、進化代數等變量的選取問題,建立起了基於遺傳演算法的深基坑支護結構設計的優化模型,結合彈性地基梁有限元法,利用fortran語言編制了gafortran優化程序,程序中包括普通遺傳演算法和改進遺傳演算法。3. aiming at the limitation of simulated anneal genetic algorithm on a high computation while applied to flow shop scheduling problems, the paper presented selected simulated anneal genetic algorithm
三、針對模擬退火遺傳演算法解決流水車間調度問題存在收斂速度慢的局限性,提出了選擇性退火的遺傳演算法。A new genetic algorithm based on diffluent mechanism ( dmga ) is put forward. its strategy is that excellent seeds are set limit to reproduce, certified seeds are crossed and bad seeds are mutated. the crossover probability and mutation probability is adjusted by the evolutionary equality
提出一種基於分流機制的新型遺傳演算法( dmga ) ,該方法採用優種限量繁殖,達標種交叉和劣種變異的策略,交叉和變異概率根據進化質量自適應地調整,使種群具有很強的可進化性。Maize transformation is limited by the receipant materials. only a few inbreds, such as a188, b73 and their derived inbreds, can regenerate well, while those elite ones that are widely used are not easy to transform successfully
目前,玉米轉化僅限於少數培養性能好的自交系材料,如a188 、 b73及其衍生系,而對農藝性狀優良的自交系應用較少,本研究旨在建立一套穩定、高效的遺傳轉化體系,包括優良受體材料的選擇和培養基配方的改良,同時獲得抗除草劑的優良玉米育種材料。In addition, base on the certain level of genetic differentiation of among the 4 possible natural populations, it is advised that adult plants or seedlings of ginkgo be transplanted mutually in order to enhance the gene flow among them and preserve the genetic diversity of ginkgo furthest
因銀杏群體間已出現了一定程度的遺傳分化,建議在可能的自然群體間進行植株和種子幼苗相互移栽,以增強群體間的基因流,最大限度地保護銀杏的遺傳多樣性。And about a given property p which satisfies some conditions, we give a condition for the open sets in the tychnoff product of two spaces which have a open refinement having the property p. the last chapter obtains a result about the limit of the inverse system of a normal mesocompact space and a hereditar ily normal and hereditarily mesocompact space
而且給出了,對滿足一定條件的某種性質p ,兩個空間的乘積中的每個開集族有p性質的開加細的一個充分條件。第四章詳細證明了關于正規中緊空間及遺傳正規且遺傳中緊空間的逆極限的一個結果。Aimed at conquering the local - searching shortcoming in ga, after establishing fuzzy regulation scale of normal voltage, a socalled on - site regulation expert anowledge based on the plantrstation concept in power systemis implemented to eliminate voltage / reactive power overlimit, to amer decrease investinentand to minimiting active power loss. 2
在給出合格電壓的模糊調整裕度的基礎上,提出採用基於廠、站概念的就地調整的專家規則進行輔助變異決策,以增強遺傳演算法的局部收斂性;所採用的專家規則主要包括越限校正、進一步減少無功設備投資和降低網損三個方面。It is necessary for a species " adaptation and evolutionary potential to keep genetic variety at a relative level. genetic diversity in the population must not be lost furthermore and gene exchange among individuals should be enhanced as much as possible to avoid extinction of crested ibis
一定程度的遺傳變異性是維持種群的適應力與進化潛力的必要條件,為使朱?免於滅絕的厄運,必須避免其種群遺傳多樣性的進一步喪失,並盡可能增加個體間的基因交流,最大限度地避免近親繁殖。分享友人