chromosome mutation 中文意思是什麼

chromosome mutation 解釋
染色體突變
  • chromosome : n. 【生物學】染色體。
  • mutation : n. 1. 變化,變異,更換；【生物學】突變；突變種；【語言學】母音變化；【音樂】（提琴的）變換把位；變聲；【法律】讓受。2. （人世的）浮沉,盛衰。
  1. In this paper, a genetic algorithm was presented to solve the problem of the searching of the optimal coalition structure. we designd one - dimension chromosome coding structure and the corresponding improved uniformity crossover operator and the heuristic mutation operator

    我們給出了一種求解最佳聯盟結構的gas演算法，設計出了一種簡單的一維自然數染色體編碼結構和改進的均勻交叉運算元以及啟發式變異運算元。
  2. Crossover is implemented using arithmetic crossover operator. then unsymmetrical mutation is conducted using the new mutation operator which can expand the scope of chromosome gene value, at the same time, the chromosome with the highest fitness values are retained for each iteration. a lot of experiments are implemented to obtain the optimized initial weighs and bias

    生成了三維矩陣表示的染色體，進行了聯賽選擇，利用算術交叉運算元進行了交叉運算，利用構造的新的變異運算元，進行了非均勻變異，同時保留了每次進化運算后最優的適應值，通過大量實驗，實現了遺傳演算法優化bp網路的初始權值和閾值的目的。
  3. The author expatiated on the basic structure, coding manners, decoding rules, fitness function selection, self - adapted mutation and crossover operator, the judging flow of chromosome feasibility of the algorithm, finally, put forward the computing result with pattern of data table and gantt graph

    詳細地闡述了演算法的基本結構、編碼方式、解碼規則、適值函數的選取、自適應變異和交叉運算元的設計、染色體可行性的判斷流程，最後以數據表和甘特圖的方式給出了計算結果。
  4. Studies on karyotypes wihin clones indicated that all the karyotypes belonged to stebbins ' 3b type. there are different karyotype formulas, polymorphsim of satellite chromosome, variations of chromosomal structure and b - chromosome in clones. chromosomal mutation is important factor of chromosomal structure variations within clones

    無性系內核型研究表明：各無性系的核型類型都屬于st吮七us的m型、核型公式不完全川同、隨體染色體具多忐性，染色體存在結構變異，研究認為造成無性系內核型變異的重要原因是染色體突變。
  5. In this study, systems of rapid propagation of the cultivars such as d. zingiberensis, d. panthaica and d. composite were setup to find the best way to meet the need of producing, and to establish the base of introduction, breeding and cultivar improvement of foreign dioscorea with high diosgenin ; in addition, there are two strategies to obtain polyploids combining with chromosome engineering : screeding natural mutations and mutation breeding were carred out on d. zmgiberensis. exploratively studies were done on rapid propagation of the three dioscorea plants. the result showed : explants of d. pathaica obtained the appreciate propagation efficency on ms + ba1. 0mg / l + naa0. 1mg / l, ms basic medium containing 6. 0mg - 1 ba, l. 0mg - 1 kt and sucrose at 30gl - 1 or 60g1 - 1 was the appreciate medium for microtuberization

    三種薯蕷屬植物離體再生體系培養條件的探索試驗結果表明：黃山藥外植體適宜的增殖培養基為ms + ba1 . 0mg / l + naa0 . 1mg / l ，微型塊莖誘導為ms + ba6 . 0mg / l + kt1 . 0mg / l + 3蔗糖，高濃度的蔗糖含量（ 6 ）能提高微型薯蕷的誘導率，但對其誘導起關鍵作用的還是ba的濃度；菊葉薯蕷增殖效果較好的培養基為ms + ba1 . 0mg / l ，以ms培養基為誘導微型薯蕷的最佳選擇，誘導率可達50 ；盾葉薯蕷最適宜的增殖培養基為ms + ba2 . 0mg / l ，在誘導微型薯蕷的實驗中發現，當ba濃度為6 . 0mg / l和8 . 0mg / l時， 15d左右節間處膨大形成綠色圓球狀小塊，但繼續培養其上則開始分化芽。
  6. This model is simple and easy to be implemented. the refined genetic algorithm is also set up, in which some improvements are made on chromosome coding, fitness fuction, stopping rule, crossover and mutation pattern

    對遺傳演算法的染色體編碼、群體規模的確定、收斂準則、交叉、變異等環節進行了改進，提高了演算法的全局尋優概率和收斂速度。
  7. 3 ) the results of studying on the chromosomal mutation and mitosis of the wheat irradiated by uv - b indicated that the rate of mitosis was inhabited by uv - b radiation ( 10. 08 kj ? m " 2 ? d " 1 ) in wheat cells, and some types of chromosome aberration were induced

    （ 3 ）對染色體及細胞分裂的研究結果表明，增強uv - b輻射能抑制小麥細胞的有絲分裂率，產生落後染色體、染色體橋、游離染色體、核變形等畸變。
  8. This paper proposes the array chain chromosome coding and the adaptive ga ( aga ) that combines the self - adaptive mutation probability and simulation anneal punishment function

    提出了數組鏈染色體編碼方式，以及基於自適應性變異概率和模擬退火懲罰函數法的適應性遺傳演算法（ aga ） 。
  9. Sos induced pol iv increases untargeted mutagenesis not only in a phage, but also in chromosome of e. coli, characterized as - 1 frameshift mutation

    它可能直接與dna復制叉相聯系而參與了dna合成，產生? 1移碼為主的非定標性突變。
  10. The clpg mutation is a a g substitution 32. 8 kb upstream of gtl2, which was later shown to be the only difference between the callipyge and wild - type chromosome in what is probably a long - range control element ( lrce )

    2002年， freking等人發現了一個位於gtl2基因上游32 . 8kb的a g的突變，這一突變位於一個新發現的轉錄本clpg1內部，它是callipyge羊和正常羊的唯一不同之處。
  11. Aiming at the limitation of basic evolution strategies, a kind of growth mechanism - based evolution strategies and its realization are introduced. chapter three presents the evolution strategies - based optimizing of seaport container logistics system, firstly the structure of chromosome is introduced, then a kind of hybrid mutation operation is used, the detail process of the optimizing method is also described, finally the traveling sequence optimization of the containers is introduced as an example to testify the feasibility of the new optimizing method

    在以往的港口物流系統規劃研究中，遺傳演算法和模擬退火法是經常採用的數學方法，第三章首次研究了基於生物進化策略的港口集裝箱物流系統優化方法，提出了一種基於混合變異的自然數編碼進化策略演算法和染色體的構造模式，並以集裝箱運送順序優化問題為例，實現了基於生物進化策略的港口集裝箱物流子系統的優化。
  12. Chromosome mutation a change in the number or arrangement of genes in a chromosome

    染色體突變：生物細胞中染色體數目的增減和結構的改變。
  13. The subject focus on the issues about how to optimize the usage of material for manufacturing, especially on wood plate, the core arithmetic of the system is algorism genetic algorithms using the computer technology, the system is developed to realize the algorithms, which can optimize layout of two - dimensional cutting stock automatically the genetic algorithms overcome shortcomings of some traditional optimization, which can only get the local optimal solutions. the algorithms step out from local optimization to get the global optimization through the gene mutation of chromosome

    本課題對目前製造業生產工藝中存在的下料問題，尤其是板式傢具的優化排料問題，進行了深入地分析和研究，將實數型遺傳演算法作為核心演算法，引入到系統設計中，提出了解決板材下料的一套實用演算法，結合計算機編程，實現了二維板材傢具優化下料的自動優化排料系統。
  14. The article related research achievenment on the molecular genetics of mental disease and spirits obstruction, expounds the molecular genetics basis and the mechanism of result in mental disease from chromosome aberration, gene mutation, dynamic mutation and genetic heterogeneity, etc

    文章綜述了當前對精神病和精神障礙的分子遺傳學研究成果，從染色體畸變、基因突變、遺傳的異質性等方面闡明精神病發生的復雜的遺傳背景和機制。
  15. He reconstructed chromosome mutation on a human subject

    他們在人身上實驗基因突變
  16. An optimizing method based on biological evolution - genetic algorithm is proposed to the problem of the construction process planning analysis. adapting the successful experience of path optimization problem, improved genetic operators are adopted : the sequence of numbers, which is arranged by the removal order of members, is assumed to represent a chromosome by natural code ; transforming baseline information of this problem into immune operators ; combining rank - based model with elitist model ; designing special crossover and mutation operators. the mathematical model for computer and special programs are provided in this paper

    借鑒遺傳演算法在求解路徑優化問題上的成功經驗，應用了改進的遺傳運算元：採用自然數對結構去除構件進行編碼，將所求問題的基本信息轉換成免疫運算元，採用穩態最優保存策略和排序選擇方法相結合進行選擇，採用適用於本問題研究的特殊的交叉運算元和變異運算元，從而來討論在桁架結構施工路徑優化問題中使用遺傳演算法的可能性。
  17. Abstract : a problem resolution can be represented by a series of chromosomes in genetic algorithm ( ga ). in the evolving process of reproduction, crossoves and mutation to chromosomes, a chromosome which is fitter to the enviroment can be obtained as the resolution of the problem. the membership functions and control rules are optimized by using ga, the design and adjustment of fuzzy controller are also improved

    文摘:遺傳演算法是將問題的求解用染色體的形式表示，在其復制、交叉、變異的進化過程中收斂為一個最適應環境的染色體，即為問題的解.用遺傳演算法對模糊控制中的隸屬度函數進行編碼，確定適應度函數，作遺傳運算與微量調整，可實現對隸屬度函數及控制規則的優化，改善模糊控制器的性能
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