遺傳型方差 的英文怎麼說

中文拼音 [yízhuànxíngfāngchā]
遺傳型方差 英文
genotypic variance
  • 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）...
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 遺傳 : [生物學] heredity; hereditary; inheritance; inherit
  • 方差 : dispersion
  1. 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
  2. Three genetic coefficients, including maximum phyllochron, elongation internode number and plant height, were used to describe the genetic differences in leaf blade and internode among different wheat varieties

    模型引入3個品種參數，即最大葉熱間距、伸長節間數和株高，分別反映了不同小麥品種在葉片和節間等方面的遺傳差異性。
  3. This investigation of the two species is mainly dealing with their morphological characters, population biology, pollination biology and molecular biology, based on the following methods such as section slides, sem, artificial pollination, rapd analysis and gravity glass slides. this study is intended to demonstrate the distribution patterns of the populations for the two species, the numerical and spatial characteristics of ecological difference, the biological characters of seeds, pollination mode and reproductive stratigies, and molecular genetics. in light of the results from this study, the reasons that resulted in the present dangerous situation for the two species were discussed, and the suggestions for protecting them were proposed

    本研究以種群為單位，採用石蠟切片、掃描電鏡、重力玻片、人工授粉、 rapd分析等方法，對兩種植物的形態生物學、種群生物學、繁殖生物學和分子生物學等方面進行了詳細研究，以揭示它們的種群分佈類型及成因、種群生態環境差異的數量特徵和空間特徵、種子生物學特徵、傳粉和生殖策略以及種群分子遺傳特徵，進而探討兩物種瀕危的成因和機制，並針對性地提出了科學合理的保護對策和建議。
  4. Twenty f1 combinations crossed among 5 varieties and strains different in fiber properties according to complete diallel crossing design were used to evaluate the heterosis and gene action of boll weight and lint percentage in high quality fiber property varieties in upland cotton in 1998 1999 for two year successively at nanjing. it was indicated that there existed small interactions with the environmental factors without maternal effects and the additive gene effect was in chief, attaining to 51. 2 % and 65. 4 % respectively for boll weight and lint percentage. the dominant effect was also in higher rate, 32. 6 % and 16. 8 % respectively. the population mean heterosis of boll weight and lint percentage over the mid - parental mean were relatively prominent 13. 3 % and 3. 5 % respectively in extreme significance. however, boll weight showed no significantly surpassing parental f1 heterosis over the better parent based on population mean ( 2. 0 % ) ; while the lint percentage expressed significant negative heterosis value ( - 2. 1 % ). the gene actions were in conformity with the heterosis expression. it was shown clearly that the f1 combinations crossed between parents with similar performances had relatively high dominant effects and significant positive f1 surpassing parental heterosis ( f1 heterosis over the better parent ) ; while no f1 combination crossed between the parents with prominent mutual difference surpassed the higher parent in yield components, which indicated that among those parents with less difference and close relationships, there still existed sufficient genetic variation or certain mechanism for creating variation and achieving greater advances in breeding. correlation analyses also indicated that there still existed severely undesirable negative correlation between yield and fiber properties as well as the difficulties for their simultaneous improvements

    利用5個具有不同纖維品質性狀的品種（系）配製完全雙列雜交組合20個，通過親本和f1的2年隨機區組試驗發現產量性狀的鈴重和衣分與環境的互作效應小，不存在母體效應，並以加性遺傳效應為主，分別占表型方差的51 . 2 %和65 . 4 % ;顯性遺傳效應所佔的比率也較高，分別為32 . 6 %和16 . 8 % .鈴重和衣分的群體平均優勢較大，分別為13 . 3 %和3 . 5 % ，達到了極顯著;鈴重的超親優勢為2 . 0 % ，不顯著;衣分為顯著的負值（ - 2 . 1 % ） .遺傳分析與雜種優勢結果一致.具體表現在產量性狀上，親本相當配製的組合雜合顯性較高，其超親優勢正向顯著，而極值親本（差異較大）所配組合沒有超過高親的.這表明親本差異小、親源關系較近的親本中仍然存在足夠的遺傳變異或某種機制以創造變異使育種取得更大的進展.相關分析表明了仍然存在嚴重的品質與產量的負相關，遺傳改良的難度較大
  5. Data processing is performed by pc ， which includes detecting rough error by quartile method base on first order differential, adopting three points algorithm to eliminate deviations of rack displacement and installation, applying minimum containing area method to evaluate the sectional plane radius of roller and realizing it by genetic algorithm, adopting akima method to fit curve of roll profile

    主要的數據處理工作在上位機進行，採用基於差分法的分位數演算法剔除粗大誤差；採用三點式測量原理消除探頭的安裝及運動所產生的誤差；採用最小包容區域法評定軋輥半徑，並應用遺傳演算法實現最小包容區域法的尋優計算；採用阿克瑪插值方法進行輥型的曲線擬合。
  6. Chromosome karyotypintg. the classical method in the technology of chromosome genetic analysis, is one of the important means in genetic research and supplementary clinical diagnosis. and it is then key index to analyze chromosome translocation or deficiency, and diagnosis of a variety of genetic diseases. the goal of chromosome analysis is to relate deviations from normal structure to biological or clinical effects

    染色體核型分析，染色體遺傳分析技術的經典方法，是遺傳學科學研究和輔助臨床診斷的重要手段之一，是分析染色體易位，缺失，診斷各種遺傳病變的關鍵指標，染色體分析的目的就是要確定細胞或個體的染色體組成，尤其是要將其與正常結構間的偏差和生理的或臨床疾病關聯起來。
  7. Based on the isozymogram of esterase of polyacrylamide electrophoresis, the heredity difference of the anhui native varieties of mulberry could be classified into four categories which had the same origin and the similar characters

    依據桑樹冬芽的酯酶同工酶聚丙烯酰胺凝膠電泳技術得到的譜帶圖對安徽省17個地方桑品種進行聚類分析比較其遺傳差異，並把這些品種分為4類，各類型具有來源相近且具有某些形態特徵相近的特點。
  8. Traditional approaches for genetic mapping of these so called dynamic traits have been to associate markers with phenotypes for different ages or stages of development and to compare the differences across these stages, or to use multiple trait mapping where the same character is repeatedly measured at different times

    針對這些動態性狀，傳統的遺傳作圖方法是通過在不同的年齡或發育階段利用遺傳標記與表型性狀進行關聯分析，並比較這些性狀在不同發育階段的差異，或者通過進行不同階段的多位點作圖進行分析。
  9. First, the ceratoides. l seed belongs to low nutrition seed and it " s nature longetivity was short ; second, because of the harsh environment during seed developing, seeds were short of nutrition and the development were uncomplete ; third, because of the unsuitable storage condition, especially because the water contens was higher, the seed deteriorated rapidly

    對駝絨藜屬植物種子短命和劣變原因的初步分析，認為是由遺傳和環境兩方面的原因所至：一是由於駝絨藜植物屬于高數量低營養種子類型，種子自然壽命較短。二是由於種子發育過程中自然環境惡劣，造成種子營養不良，發育程度較差。
  10. By means of the state space model of variations propagation, the objective function was built and genetic algorithm was applied for the optimization of sensors ' coordinates

    該方法利用薄板裝配偏差流傳遞的狀態空間模型確定優化設計的目標函數，採用遺傳演算法實現測點在多工位間坐標位置的優化設計。
  11. Methods and results ? we genotyped crp genetic ariants in 7159 indiiduals from the third national health and nutrition examination surey ( nhanes iii )

    方法和結果：在第三次全國健康與營養調查研究中我們檢測了7159名個體的crp遺傳差異性基因的基因型。
  12. The dual standard quantity ( the work piece and the discrete standard quantity ) mutual measuring and model verification methods are also proposed, which perfects the whole modifying process from data measuring, error separation, model establishment to real correction. after researching the discrete standard quantity system dynamic error separation technique, two error correction methods based on genetic algorithm and neural network mixed modeling technique are established. the two methods are the discrete standard quantity dynamic error direct / synchronous correction and prediction model correction ; the model ' s parameters and model ' s exercising method are also confirmed

    設計了雙標準量值（工件和離散標準量）互比測量的模型驗證方法，完善了從數據測量、誤差分離、模型建立到實際修正的整個修正過程；研究了離散標準量系統動態誤差分離技術，建立了基於遺傳進化演算法與神經網路混合建模技術的兩種誤差修正方法? ?離散標準量動態誤差直接（同步）修正方法和預報模型修正方法，並確定了模型結構參數和模型訓練方法；分析了預報模型的多次預報性質，並得出了多次預報與多步預報的等效關系，確定了測量系統的有效預報范圍以及模型參數對泛化誤差的影響；進行了模型的對比實驗驗證和被測工件動態誤差修正試驗，成功地實現了任意二面角和圓分度的實時誤差修正。
  13. All groups of microtus fortis showed polymorphism at most of the ten loci investigated. the electrophoretic mobilities of the small voles from heilongjiang revealed great divergence with the other three groups : the small voles from heilongjiang had their particular alleles at six loci ( es - 1, hbb, gpi, akp - 1, trf - 1, ce - 2 ) and the phenotypes of them were completely different at three ( es - 1, hbb, gpi - 1 ) of these loci. the genetic distances among the voles from hunan, ningxia and the big voles from heilongjiang were ranged from 0. 0633 to 0. 2107 while that between the small voles from heilongjiang and the other three groups were ranged from 0. 7068 to 0. 8953

    結果表明：四類東方田鼠在所觀察的10個生化位點上，大部分都存在著多態性現象；黑龍江小體型東方田鼠與其它三類東方田鼠的電泳結果差異較大，在es - 1 、 hbb 、 gpi - 1 、 akp - 1 、 trf 、 ce - 2六個位點土都存在其所特有的等位基因，其中es - 1 、 hbb和gpi - 1三位點上它的基因型與其它三類鼠完全不同；湖南、寧夏和黑龍江大體型東方田鼠三者間的遺傳距離在0 . 0633 0 . 2107之間，而黑龍江小體型東方田鼠與其它三類鼠的遺傳距離在0 . 7068 0 . 8953之間。
  14. Through compare the simulink results of ga - bp interpolation modeling with tradition methods, and compare the interpolation results with tradition method, the method that can improve the precision of numerical control interpolation and can diminish the quantity of calculate and interpolation cycle is been proofed

    通過把遺傳-神經網路插補模型的模擬結果與傳統方法的訓練結果比較，並且把此種模型用於數控插補的誤差結果與傳統的插補演算法進行比較，得出此插補演算法可以使數控插補精度得以提高，計算量和插補周期變小。
  15. Firstly, fuzzy comprehe nsive evaluation is used to evaluate manufacturing difficulties of each part of assembly, then the mathematical model is built by combining its function sensit ivity factor, finally, the genetic algorithms is used to solve the problem

    首先利用模糊綜合評判的方法確定特定製造環境下裝配體中各零件公差的加工難易程度，然後結合零件公差對裝配功能要求的敏感度因子，建立了公差分配的數學模型，最後利用遺傳演算法求解最優的公差值。
  16. On the base of brief introduction simple theory of genetic algorithms, we discuss the value of each genetic operator and the means of genetic operation. correct scheme of genetic algorithms is given out according to the special bolted sphere node. the genetic algorithms optimal program is compiled in the environment of matlab using the method of transferring parameters among the main function and the sub - function

    為此，首先分析了螺栓節點球的球心誤差，並通過矩陣變換理論給出計算球心誤差的公式，進一步討論了自動分度角度的計算方法；在簡介遺傳演算法的基本原理的基礎上，對各遺傳運算元的取值及遺傳操作方法進行了討論，針對典型的螺栓節點球零件給出了具體的遺傳演算法執行方案；通過matlab軟體編程環境進行程序的編制，利用主函數和子函數之間參數傳遞的方法實現了遺傳演算法優化，並且編制了圖形用戶界面，對優化結果採用圖文結合的形式輸出。
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