遺傳變化力 的英文怎麼說
中文拼音 [yízhuànbiànhuàlì]
遺傳變化力
英文
competence competency- 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)...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 遺傳 : [生物學] heredity; hereditary; inheritance; inherit
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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細胞表位合理組合,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 )混合后免疫不同遺傳背景的雌性小鼠,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重要臟器的組織病理學改變: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。The stochastic optimization method is brought forward, which makes a great amount of simulation of other bidder ' s biding in electrical market, as for every simulation, genetic algorithm is applied to solve the optimization problem, in consideration of the restraint of direct current network, one optimal bid is got, then using the average optimal bids in a great number of simulations as the last optimal bids. the program using c + + language of this method is programmed and examples are discussed for simulation, examples prove the bidding method ' s validity
最後基於第五章的分析,提出了一種採用隨機優化和遺傳演算法相結合的競價方法,即對電力市場中各個競爭對手的報價作為隨機變量進行大量模擬,針對每一次模擬,在考慮直流潮流網路約束的情況下,用遺傳演算法求出一次模擬對應的最優報價,然後把大量模擬樣本求得的最優報價的均值,作為最優報價。The morphological, physiological, biochemical and genetic diversities between bacillus thuringiensis wild - type strain ybt - 1463 and its plasmid - free mutant bmb171 was comparatively studied. it showed that the plasmid - free mutant strain bmb171 lost the ability to form the parasporal crystal, but there was on obvious diversities were observed on the sensitivity to 10 antibiotics, the utilization of 19 carbon sources and 12 nitrogen sources, as well as the growth properties between ybt - 1463 and bmb171, whereas the electro - transformation frequencies of bmb171 were much higher than those of ybt - 1463, respectively with 5 exogenous plasmids as the donor dnas
對出發菌株ybt - 1463和其無質粒突變株bmb171的部分形態、生理生化和遺傳學特性進行的比較研究的結果表明,突變株bmb171不形成伴胞晶體,但在個體形態與菌落特徵、對紅黴素等10種抗生素的敏感性、對葡萄糖等19種碳源和谷氨酸等12種氮源的利用能力及生長性能與出發菌株ybt - 1463無明顯差異。In this genetic algorithm, each member in a supply chain alliance has a self - adaptive ability to changes in environment in the genetic process through designing crossover probability and mutation probability
該演算法設計了自適應交叉概率和變異概率,使每個個體在遺傳過程中對環境變化具有自適應調節能力。In this paper, the power transformer interior fault diagnosis technique based on the dissolved gas in oil analysis and the principles of genetic algorithm are analyzed. the forecasting models for power transformer interior fault are proposed based on the grey prediction model. the genetic algorithm is applied to estimating optimum coefficients of this forecasting model
本文對基於變壓器油中溶解氣體分析( dissolvedgasesanalysis ,簡稱dga )技術的大型電力變壓器內部故障診斷技術和遺傳演算法原理進行了深入的分析,首次將灰色預測理論引入到大型電力變壓器內部故障預測工作中,運用遺傳演算法實現預測模型的優化,建立了基於遺傳演算法的變壓器內部故障改進灰色預測模型。At first, in order to prevent the premature convergence of genetic algorithm effectively, the author brings forward a novel dyadic floating - point supplementary mutation operator. then, simulating the natural evolution, the author presents a novel topology, unoriented - connected topology, for parallel genetic algorithm. in the end, an interval decomposed optimization method is brought forward for ipga, which can improve the optimization performance of the algorithm
為提高演算法的性能,作者對遺傳演算法進行三種改進:首先,為克服遺傳演算法早熟收斂,作者提出一種新的二元浮點補碼變異運算元;其次,模擬生物自然進化模式,為并行遺傳演算法提出了一個新的并行拓撲結構- - - -無定向拓撲連接;最後,作者提出一種區間分解優化思想,來提高對最優解的搜索能力。The stress is basing coal - fired boiler inflammation system feature and control demand to design a kind of fuzzy - pi controller on based of genetic algorithm to control it. the controller refers the error and its variety rate as its inputs. and, in order to make the control qualities much better, concerns them as the performance index to optimize the membership function of the fuzzy variables and the pi ' s controller parameter by means of online adjujsting the genetic algorithm, inflammation system steam pressure loop and economic inflammation loop
重點是針對燃煤鍋爐燃燒系統的特點和控制要求,設計了一種基於遺傳演算法的模糊- pi復合控制器對其進行控制,該控制器以偏差、偏差變化率作為輸入量,通過遺傳演算法在線調整模糊控制器的模糊變量隸屬度函數和pi控制器的參數,從而達到優化模糊控制規則和pi控制器參數的目的,實現燃燒系統的蒸汽壓力迴路和經濟燃燒迴路的控制要求。The direct optimal model of multi - objective mixed discrete variables for lager - scale water supply system was established, by replacing complicated network hydraulic equation with nodal pressures macroscopic model and relationship model between pump stations flow and head in water supply systems without tanks or towers, genetic algorithm was developed to solve the direct optimal model
以測壓點壓力宏觀模型、水源供水量和水源供水水頭之間的關系模型替代復雜的管網水力平衡方程,建立了大型供水系統的多目標混合離散變量的直接優化調度模型。在沒有水池和水塔的供水系統中,利用遺傳演算法對直接優化調度模型進行求解。Based on optimization theories of genetic algorithms and the linear programming, a series of optimal design mathematics models and methods of water transmission conduits and water distribution networks have been presented, in the light of their characteristics. the results are as follows : 1 the linear programming models and calculations of the pressure gravity conduit, the gravity pressure conduit and channel, the pressure conduit with pump station and the pressure conduit in considering pump station flow variations are presented respectively
本文針對不同類型的輸水管線和配水管網系統的特點,應用遺傳演算法和線性規劃等優化設計理論和方法,對其優化設計問題進行了較為系統的研究,成果如下: 1分別建立了重力輸水管道系統、重力輸水管渠系統、泵站加壓輸水管道系統以及考慮流量變化的泵站加壓輸水管道系統優化設計的線性規劃數學模型,並提出了計算方法。The tong - term tune bests of pinus yunnanensis management lead to bio - diversity decrease, diseases and insect pests damage, genetic degradation, and productivity decline
摘要長期以來,雲南松的純林經營使得生物多樣性降低、林分穩定性變差、遺傳品質退化、林分生產力下降,從而導致生態系統功能衰退。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。The discoery of the genetic mutation ' s role in contributing to atrial fibrillation may ultimately improe physicians ' ability to identify patients who hae a hereditary predisposition to atrial fibrillation, which is often complicated by increased risk for stroke and heart failure
這個對房顫有影響的基因突變的發現將可能最終提高內科醫生辨別易患房顫的遺傳體質病人的能力,房顫常因不斷增加的中風和心衰風險而復雜化。Rather, such variables as genetic predisposition, parental predilection, sibling influence, peer pressure, educational experience and life impressions all shape the personality preferences that, in conjunction with numerous social and cultural influences, lead us to our beliefs
其實各類變因例如遺傳傾向、父母的偏好、手足的影響、同儕壓力、教育過程與人生閱歷,都在在塑造我們的性格偏好,再配合上無數社會與文化的影響,才產生我們所懷抱的信念。Based on this point, penman combines the good approximation capacity of fuzzy system and the merits of internal model control, such as simple design, good regulation capacity, high robustness and elimination of the unknown disturbance etc. to construct the fuzzy internal model control system based on ga, which is characterized by high robustness and quick response speed, furthermore, it can bring good control performance when the controlled objects vary in a big range. at last, it is triumphantly used in simulation of the 1st superheated steam temperature reduction control system
正是基於這種思想,筆者結合內模控制設計簡單、調節性能好、魯棒性強並能消除不可測干擾的影響的特點和模糊系統的良好的函數逼近能力提出基於遺傳演算法的模糊內模控制,其特點是系統的魯棒性強、快速性好,且當被控對象在較大范圍內變化時,控制系統仍然具有良好的調節特性,並將此控制方案成功地應用於500mw機組一級減溫控制系統的模擬中。According to the rules and considerations which are based and taken into account in the practical work, this paper proposes a new model for distribution maintenance scheduling which intends to find the most economical maintenance schedule without violating any restrictions and also the paper makes a deep research of ga, sa and ts. by constructing two effective instructive rules which derive from the feature of distribution maintenance schedule and introducing ts into mutation operation of ga in the earlier generations, the proposed method improves the convergence of optimization and shortens the calculation time. the proposed model and method are applied to a practical system, and numerical results verify ' the correctness and validity of them
本文結合實際電力調度計劃工作中檢修計劃的制定原則和所要考慮的各種因素,抽象出適合配電網檢修計劃優化的數學模型:對遺傳演算法、模擬退火演算法以及禁忌搜索演算法等多種演算法進行了研究和分析比較,針對遺傳演算法的不足提出了通過對實際問題的分析抽象出一定規則指導演算法在解空間進行搜索和兩階段變異運算元兩項改進措施,並應用於配電網檢修計劃優化,編制了相應的應用軟體;應用該軟體對我國南方某地區供電局某月的檢修計劃進行優化的結果表明,本文所提出的模型和改進的優化方法是正確和有效的。Combining the design of portal crane luffing mechanism, this paper set up the math model independently and synthetically of the single boom system with compensating pulley and level - balancing weight. use genetic algorithms to optimize the model, the calculated results show as follows the genetic algorithms is effective and manipulable, the synthetically optimize is best than independently optimize. the optimization program of luffing mechanism was build, and this will be a useful tool in the design of crane
結合門座起重機變幅機構的設計,建立了導向滑輪補償系統和杠桿? ?活對重臂架自重平衡系統獨立模型和綜合模型的未平衡力矩最小的優化問題,結合遺傳演算法對它進行了優化,結果證實了該演算法的有效性和可行性,表明了綜合優化比獨立優化更能提高優化的準確性。At the same time, the soluble salt in soil of the oasis desert transitional zone might play a role in maintaining the genetic diversity of p. sibiri
綜合上述研究,可得出以下結論:叉毛蓬居群的遺傳多樣性水平較高,可以適應不斷變化的環境壓力。Then it reviews the research results of the distribution management globally and analyses the questions and research state of the distribution management information system, the distribution planning investment project, the distribution network reconfiguration, the same trade comparing of the distribution. however, due to the wide - range, fuzziness and risk character of the distribution management, based on fuzzy set and genetic algorithm theory, the major contents and research results are as follows : 1. the multi - object group decision integration model research and application based on fuzzy set theory
本文介紹了我國配電管理所面臨的電力企業改革和用電環境的變化,回顧了國內外在配電管理系統方面取得的研究成果,具體分析了配電管理信息系統,配電規劃投資方案,配電網路重構,配電同業比較存在問題和研究現狀,針對配電管理的模糊性,風險性和全局性,採用模糊集分析和遺傳演算法理論,提出了本文的研究內容。In order to assure that the stress and strain state of structure is secure, the author analyses respectively the objective functions of the reasonable finished state and buckle - cable adjusted phase ; thus, the optimized model based on fga is framed. finally according to the example, the computation datum are compared with the iterative forward analysis method and the optimal control theory. the result shows that this method can be used conveniently and meet the construction and design precision
為了滿足大跨度鋼管混凝土拱橋施工的安全性與成橋預期的內力狀態和拱肋線形,本文結合工程實例,分別對合理成橋狀態和扣索索長調整的目標函數的確定進行了分析,將一組多變量、多約束的最小化問題無約束化,從而建立起適合於該問題的遺傳演算法優化模型,將其計算結果分別與迭代前進法和隨機最優控制理論進行了比較;結果表明,採用該方法編制的基於結構計算的遺傳優化程序操作靈活,能很好的滿足施工和設計要求。Without genetic variability a species lacks the capacity to evolve and cannot adapt to changes in its environment or to new predators and new diseases
沒有遺傳變異,一個物種就缺乏進化的能力並且無法適應它環境的改變或新的掠食者或是新的疾病。分享友人