genetic method 中文意思是什麼

genetic method 解釋
成因法
  • genetic : adj. 1. 遺傳(學)上的。2. 發生的,發展的;創始的。adv. -ically
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. In the present study, aflp ( amplified fragment length polymorphism ) markers was used to examine population of abies yuanbaoshanensis in order to understand the level of population genetic variation and genetic structure. the result would help to evaluate its evolutionary potentiality and the degree of being endangered and could provide scientific basis for making right protection strategy. high - quality dna was extracted using ctab method from those tender leaves of forty - three fully - developed trees in population abies yuanbaoshanensis

    本研究選用一種高效的檢測遺傳變異的分子標記? ? aflp技術來分析元寶山冷杉種群的遺傳多樣性,旨在了解該種群在分佈區內的遺傳變異水平和遺傳結構情況;研究結果將有助於更清楚地認識這一瀕危類群的生存潛力和瀕危程度,而且可以為制定何種挽救和保護措施提供科學的依據。
  2. The main contributions are as follows : ( 1 ) de ( differential evolution ) algorithm is proposed to invert the ocean acoustic parameters in shallow water in order to get faster and more accurate results than ga ( genetic algorithm ) and sa ( simulated annealing algorithm ). also a posteriori probability analysis method is applied to evaluate the uncertainty of inversion results. ( 2 ) maximum likelihood objective functions for broadband mfi are derived according to different conditions

    ( 2 )根據不同的前提條件,採用似然比的方法推導了寬帶匹配場反演的最大似然目標函數;深入地研究了寬帶匹配場處理中的相干與非相干問題;在分析參數反演的敏感性之後,提出了淺海環境參數寬帶匹配場反演的多步優化策略,並與全參數反演方法進行了性能上的模擬比較。
  3. A genetic transformation model for the brown seaweed undaria pinnatifida has been primarily set up by using micro - particle bombardment as the method, female or male gametophytes as the gene recipients, hybridization as the regeneration route and chloramphenicol, hygromycin or basta as selective reagents

    本文從轉化受體、轉化方法、報告基因、再生途徑、篩選方法等方面對裙帶菜的遺傳轉化進行了研究。首先,分離並建立了裙帶菜雌雄配子體的無性繁殖系,進行了裙帶菜的不同再生途徑的研究。
  4. 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組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傳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;在遺傳演算法中,交叉概率和變異概率是影響收斂速度的重要參數,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。
  5. Hybrid genetic algorithm method for identical parallel machine earliness tardiness scheduling problem

    拖后調度問題的混合遺傳演算法方法
  6. A data fitness method based on genetic algorithm

    基於遺傳演算法的一種數據擬合方法
  7. Hilbert called the above approach the genetic method.

    希爾伯特稱以上的處理為原生法。
  8. With the improved method of ctab, the genomic dna extracted form plum and other species close to p. mume in genetic relationship could be directly used in pcr amplification, with good results obtained

    選用改良ctab法提取的梅及其近緣種的基因組dna可直接用於pcr擴增分析,且效果良好。
  9. ( 3 ) a minutiae matching method combining genetic algorithm and fuzzy logic is proposed

    ( 3 )提出了綜合利用遺傳演算法和模糊邏輯的細節點匹配方法。
  10. The miscellany appeared in strains of myrica, casuarina and alnus were also partly coincident with what normand et al. ( 1996 ) and li zhizhen ( 2002 ) obtained : the clusters devided by the isolates from the myrica and casuarinahave grest genetic diversities. besides the analysis of the strains, we also tried to extract the dna of frankia from the nodules directly and analyse them also with the method of pcr - rflp

    這些結果與baker ( 1987 )通過交叉感染試驗將來自不同宿主的50株frankia菌株分成4個類群的結果部分一致,但也暗示其可能具有局限性;此外,分析楊梅和木麻黃菌株所得到的結論支持了normand等( 1996 )與華中農業大學碩十研究生學位論文李志真( 2002 )所得的結論,即木麻黃和楊梅的菌株比較混雜,兩者都不能成為獨立的類群。
  11. " the hair turned black. " for alexeev, the experiment was exciting because it presented a new method that doctors could use to treat painful genetic skin disorders, such as epidermolysis bullosa, a condition that creates open sores and blisters on the skin ' s surface

    對于阿萊克謝耶夫來說,這次實驗是令人振奮的,因為它提出了一種新方法,醫生們可以用這種新方法來治療棘手的遺傳性皮膚疾病,比如表皮分解性水皰癥,這種病會使皮膚表面產生暴露的傷口和水皰。
  12. " the mutation was corrected, " said alexeev. " the hair turned black. " for alexeev, the experiment was exciting because it presented a new method that doctors could use to treat painful genetic skin disorders, such as epidermolysis bullosa, a condition that creates open sores and blisters on the skin ' s surface

    對于阿萊克謝耶夫來說,這次實驗是令人振奮的,因為它提出了一種新方法,醫生們可以用這種新方法來治療棘手的遺傳性皮膚疾病,比如表皮分解性水皰癥,這種病會使皮膚表面產生暴露的傷口和水皰。
  13. 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

    採用群體遺傳學分析、家系組合分析法、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項特徵的遺傳方式;通過雙生子一致率的比較,對上述特徵的遺傳與環境效應的相對重要性進行了評價;計算了呼和浩特市漢族群體5對遺傳性狀的基因頻率,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遺傳差異性。
  14. 2. a method combining some of the composite space structural simulation, wavelet analysis, fuzzy mathematical, genetic algorithm, artificial intelligence, expert system, vibration diagnosis, acoustic sounding, supersonic flaw detection, radioscopy, infra - red detection and so on to diagnose the composite structure damage is discussed

    本文對把復合材料大跨建築結構模擬、小波技術、模糊數學、遺傳演算法、人工智慧、專家知識、振動診斷、聲發射技術、超聲波檢測、射線探傷、激光全息檢測、紅外線檢測等方法中的幾種融合在一起對復合材料大跨建築結構進行損傷診斷的方法進行了探討。
  15. According to the least twin multiplication to calculating the sensitivity index in several water production functions. thus, the writer obtains the fitted the value of the sensitivity index and the varied rule. at the same time, the writer puts forward a new method named rag a ( real coding based accelerating genetic algorithm ) and combines raga with dpsa to calculating the best irrigation system under the non - sufficient irrigation of well irrigation rice in sanjiang plain

    根據《隨機水文學》理論中的時間序列分析法,建立了適合三江平原井灌水稻需水量預報的非平穩時序隨機模型;通過分析降雨隨機特性,選定季節性時序隨機模型,建立了適合三江平原井灌水稻降雨預報的月平均降雨模型;根據最小二乘法,計算出幾種常用水分生產函數中的敏感指數及敏感系數,進而得到三江平原適宜採用的水分生產函數漠型及模型中敏感指數的變化規律;本文提出遺傳動態規劃法( raga ? dp ) ,即採用改進的基於實數編碼的加速遺傳演算法( realcodingbasedacceleratinggeneticalgorithm ,簡稱raga )與動態規劃法( dpsa )相結合,推求非充分灌溉條件下三江平原井灌水稻的最優灌溉制度。
  16. After that, the thesis proposes a algorithm to seek the degree of the texture of a digital image. 3rd. it gives a new model for data clustering, " village - town " model and a clustering globally best algorithm based on genetic method

    以待聚類數據集為對象從尋求全局最優配置入手,首次提出了基於遺傳演算法的聚類變精度搜索方案和基於點分佈密度的類合併準則。
  17. How to handle these attributes affects the mining results and the efficiency. the dissertation proposes the methods of changing the quantitative attributes into bool attributes, so that many algorithms can be used, based on enhanced fcm and the genetic method

    ( 2 )在分散式挖掘過程中,分散式數據庫中存在著大量的數量屬性,這些數量屬性的處理好壞,直接影響著關聯規則的挖掘效果和效率。
  18. To alleviate this difficulty, we developed a hybrid approach that combines ga with simplex method in function optimization. in the same way, the hybrid simplex - genetic method is applied to solve the continuous minimax optimization

    力學優化演算法解決了增廣ragange法的子優化命題,最後給出了一種新的增廣lagrangc乘子演算法,它可有效地解決目標和約束條件函數可微的單目標優化命題。
  19. A review with 37 references is given on the recent progress of selenium species analysis with emphases to the methods of separation and examination technology, e. g, chromatography, the hydride genetic method, inductive coupling plasma mass spectrum, the atomic spectrum

    摘要對近年來有關硒的形態分析的發展作了綜述,對新的分離方法如色譜法、氫化物發生法、毛細管電泳和新的檢測技術如電感藕合等離子體質譜、原子光譜給予較多的關注。
  20. By theoretical analysis and numerical experimentation, the genetic method for large scaling multi - apex and no smooth mixed integer nonlinear programming can get a good global solution, and it is better than other algorithms used to resolve in the feasibility, stabilization and convergent speed of the solution

    理論分析及數值試驗表明:該演算法對大范圍、多峰、非光滑混合整數規劃問題有較好的全局求解能力,在解的精度、穩定性和收斂速度等方面優於一般的求解混合整數非線性規劃的演算法。
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