遺傳率 的英文怎麼說

中文拼音 [yízhuànlǜ]
遺傳率 英文
inheritability ratio
  • 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）...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 遺傳 : [生物學] heredity; hereditary; inheritance; inherit
  1. This dissertation uses genetic algorithm to choose optimum parameters for the widely used pid controllers. in the optimization calculation process, mutation rate, cross rate and parameter range are adaptively changed to accelerate optimization process

    本文用遺傳演算法優化工程中廣泛使用的pid控制器的參數，採用變參數區間、變交叉變異概率等方法提高計算速度，並對適應值函數進行了改進。
  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。
  3. If the characteristic is governed by simple mendelian genes, the typical monohybrid and dihybrid ratios become apparent in the f2 generation

    如果其特徵取決于單一孟德爾基因，那麼典型的單基因雜種和和雙基因雜種的遺傳比率將在子二代呈現。
  4. Background : in - vitro maturation ( ivm ) of human oocytes would be an attractive alternative to gonadotrophin stimulation for in - vitro fertilization ( ivf ). it could avoid the complications of gonadotrophin stimulation and reduce the cost of drugs. however, the efficiency of existing ivm technique is suboptimal because embryos resulting from ivm oocytes exhibit frequent cleavage blocks and low implantation rate

    研究背景：近20年來，輔助生育技術有了突飛猛進的發展，體外受精、卵漿內單精子注射技術（ intracytoplasmicsperminjection ， icsl ）和種植前遺傳學診斷技術的成熟標志著人類生殖醫學進入了嶄新的領域，但同時也不能否認，在這一領域中還存在諸如妊娠率低、藥物副作用和多胎率高等問題。
  5. 2. a frequency extrapolation scheme is developed to effectively predict radar cross section using floating genetic algorithm based on the geometrical theory of diffraction ( gtd ) model. the threshold discrete fourier transform ( tdft ) is introduced for the data compression in angle domain

    在目標散射中心建模方面，我們將浮點型遺傳演算法（ fga ）應用於實際人工目標的gtd模型參數的抽取，利用所抽取的模型參數完成了雷達散射截面rcs的頻率擴展以及數據壓縮，並利用擴展的數據提高了距離解析度。
  6. For example, in genetics, if a heterozygous plant is selfed, the probability of finding the double recessive is 1 in 4, or 25 %

    例如在遺傳學上，一個雜合的植物體為自花受精，發現雙隱性性狀的概率為1 / 4或25 % 。
  7. As analyzed, ( 1 ) the rapd technique is highly sensitive to investigating genetic diversity in t. lepturus and e. muticus. t. lepturus exhibits lower polymorphism and genetic diversity than e. muticus ; ( 2 ) according to the analysis of the partial mitochondrial 16s rrna gene sequences, a very low intraspecific variation and considerably high divergence among species were found, which reveals a dual nature of conservatism and variability in mitochondrial 16s rrna gene ; ( 3 ) five primers generate the species - speeific rapd sites and these sites can be served as the molecular markers for species identification and ( 4 ) it can be proved at dna variation level that t. lepturus and e. muticus are of two species respectively pertainiag to different genera, which supported the nelson taxonomic conclusion

    分析結果表明: （ 1 ） rapd技術研究黃海帶魚和小帶魚的遺傳多樣性具有較高的靈敏度和檢出率，帶魚的多態比例和遺傳多態度均較小帶魚的低; （ 2 ）線粒體165出兇a基因序列在分析兩物種遺傳變異時表現出保守和變異的雙重特性，種內變異極小而種間較大: （ 3 ） 5個隨機引物擴增出種特異的ra衛d帶，可作為種間分子鑒定標記; （ 4 ）研究證實帶魚和小帶魚是不同屬的兩個種，從而在分子水平上支持了nelson分類系統的觀點。
  8. For the general heritability, maternal and cytoplasm heritabilities were the main components for palmitic, oleic and linolenic acids contents

    棕櫚酸含量和油酸含量是以普通狹義遺傳率為主。
  9. The main selection response components were from embryo general response and / or interaction response for linolenic acid content

    在互作狹義遺傳率中，油酸含量和亞麻酸含量以胚互作狹義遺傳率為主，亞油酸含量以母體植株互作遺傳率為主。
  10. Among selection response components, maternal and cytoplasm general responses and / or interaction responses were more important for palmitic, stearic, oleic and linoleic acids contents

    在普通狹義遺傳率中，棕櫚酸含量、油酸含量和亞麻酸含量以細胞質普通遺傳率和母體普通遺傳率為主。
  11. Penetrance can be influenced by mutation - specific phenotypes and the potential modifying effects of the patient ' s own genetic and environmental background

    外顯率則受突變特異表型和病人自身的遺傳和環境背景潛在的修復效應所影響。
  12. Although many genetic mutations have been suggested as causes or risk factors for parkinson ' s disease, the low penetrance of some mutations and the low disease concordance in relatives suggests that there must be interactions between multiple factors

    雖然許多遺傳突變已經被認為是帕金森氏病的危險因素，但是一些突變基因的外顯率低，家族相關的發病率也低，這說明一定有多因素的交互作用。
  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. The results of issr analysis is ppb = 66. 67 %, h = 0. 2089, i = 0. 3172. genetic diversity of issr is higher than that of allozymes. genetic diversity of d. pleiantha is higher than d. versipelis

    六角蓮的遺傳多樣性高於於八角蓮，等位酶的多態位點比率p為55 . 6 ， issr的多態位點百分率均為70 . 83 ，基因多樣性為0 . 2383 ， shannon多樣性指數為0 . 3576 。
  15. This paper proposed a new genetic algorithm called quasi - genetic algorithm ( qga ) to improve the efficiency of search and avoid precocity

    本文從提高演算法搜索效率和避免過早收斂的角度，提出了一種新型的遺傳演算法? ?類遺傳演算法（ qga ， quasigeneticalgorithm ） 。
  16. The engineering bacterium which carried bcih i - chi and i - glu cdna was pcg - ii. two methods of agrobacterium - mediated and gene gun were used to transformate long ya lillium. the results of pcr analysis and southern dot blotting hybridization demonstrated that the chi a nd glu cdna have been intergrated into host genome. at the same time ; compared agrabactenum - mediated method with gene gun method, the transformation frequency of the former was 16. 7 %, while the latter was 50 %, so gene gun transformation method was suitable for long ya liiliwn

    用攜帶有幾丁質酶基因和- 1 、 3葡聚糖酶基因的工程菌，通過農桿菌介導法和基因槍轉化法轉化龍牙百合，經pcr和點雜交檢測證明外源基因已經整合到植物染色體中。同時對農桿菌介導法和基因槍法進行比較，發現農桿菌介導法的轉化率為16 . 7 ，基因槍法的轉化率為50 ，因此可能基因槍轉化法更適于龍牙百合的遺傳轉化。
  17. Bmd is a quantitative trait determined by genetic and environmental factors, with heritability estimates ranging from 50 % to 90 %

    骨密度是一種由多基因和環境因素共同決定的復雜性狀，它有很強的遺傳決定，其遺傳率高達50 ? 90 。
  18. The obtained results do not support a major gene for body mass index in chinese, the discrepancies between our study and previous studies may result from ethnic difference between chinese and other populations ; the general model provides the best fit to the data, while the environmental model is the second parsimonious model, perhaps due to complex mode of body mass index inheritance ; a moderate heritability estimate is found for body mass index ( h2 = 0. 313 ), lower than that of other populations, this is presumably due to the fact that aside from the influence of genetic bases, body mass index is strongly influenced by environmental factors and that there is a low proportion of obese individuals in samples ( only 4. 1 % individuals have body mass index > 30 )

    分離分析的結果表明， （ 1 ）體重指數不存在主基因分離，不同於在其他非中國人群中檢測的結果，說明存在種群差異性； （ 2 ）一般模型提供了最合適模型，環境模型是次之的嚴格模型，可能由於體重指數遺傳模式的復雜性所致； （ 3 ）中國人群中體重指數具有適中的遺傳率（ h ~ 2 = 0 . 313 ） ，低於其他人群中的結果，這是由於體重指數除了受遺傳因素影響外還受環境因素影響及樣本中低比例的肥胖個體（ 4 . 1的個體bmi 30 ）的原因。
  19. The narrow heritability of the growth period and the period from sowing to budding were higher, separately reaching 66. 1 % and 49. 1 %, and interacted weakly, while the positions f the first fruiting shoots and the period from sowing to budding had the lowest narrow heritability, separately equal to 19. 8 % and 18. 8 %, and their interactions with the environments reached a significant level ; the heritability of the periods from budding to flowering and flowering to boll opening, and the stem heights, as well as their interactions with environments took the second place

    生育期、播種開花的狹義遺傳率均較高，分別為66 . 1 %和49 . 1 % ，且與環境互作效應較小，而果枝始節和播種現蕾的遺傳率最低，分別為19 . 8 %和18 . 8 % ，且與環境互作達到極顯著水平，現蕾開花、開花吐絮和株高這3個性狀的遺傳率及其與環境互作居中。
  20. We performed familial correlation and complex segregation analyses ( class d regressive model ) for body mass index in a chinese sample composed of 401 nuclear families, with 1, 260 total individuals

    本文通過對中國人群中體重指數的家系關聯分析和復雜分離分析（ d回歸模型）來決定中國人群中體重指數的遺傳率以及遺傳模式。樣本由401個核心家庭共1 ， 260個個體組成。
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