顯性方差作用 的英文怎麼說

中文拼音 [xiǎnxìngfāngchāzuòyòng]
顯性方差作用 英文
dominance variance contribution
  • 顯 : Ⅰ形容詞1 （明顯） apparent; obvious; noticeable; evident 2 （有名聲有權勢的） illustrious and inf...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 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...
  • 用 : Ⅰ動詞1 （使用） use; employ; apply 2 （多用於否定: 需要） need 3 （敬辭: 吃; 喝） eat; drink Ⅱ名...
  • 顯性 : [生物學] dominance顯性性狀 dominant character; 顯性修飾因子 dominigene; 顯性遺傳 dominant inheritance
  • 方差 : dispersion
  1. The expansion agents can only make up the shrinkage to some extent, and the compensation effects would be reduced when the retardener and fly - ash are used. the expansion agents are not panaceas to avoid the shrinkage cracking as expansion can also reduce the concrete soundness. under bad curing condition, the polypropylene fibrillated film fiber can improve concrete ' s anti - crarking property, while the nominal steels have very unobvious effects. to reduce the concrete shrinkage thus avoid the cracking, the former factors must all be taken into account in concrete proportion design to develop sound concrete

    研究結果表明，水泥的品種和用量是影響混凝土收縮值的主要因素之一，當混凝土中水泥用量超過470kg / m ~ 3時，混凝土的收縮值超過400 10 ~ （ - 6 ） ，在約束狀態下存在高開裂風險；採用細砂使混凝土單位用水量顯著提高，收縮值也大幅增加；優質粉煤灰總體上能抑制混凝土的收縮，以超量方式摻入其抑制作用更加明顯，但粉煤灰混凝土早期的粘聚性較差，應注意養護，以免失水產生龜裂；早強減水劑和緩凝減水劑都會使混凝土收縮值增加；膨脹劑只能補償混凝土部分收縮，同時受緩凝劑和粉煤灰的抑制，而且膨脹使混凝土的體積安定性增加了不確定因素，膨脹劑不是解決混凝土收縮裂縫的良方。
  2. Experiment results show : ? he theory and method of information content could play an important role in the case study on the accuracy and application of dem. ( 2 ) in the loess plateau area, there are much difference between 5m resolution dems of 1 : 10000 map scale and 25m resolution dems of 1 : 50000 map scale while gathering terrain characteristic information, and yet the spatial structure of dem error have discipline and measurability on statistics. ( ? the results could offer fundamentals and methods to people on their work to research the terrain information content of dems with different scale level

    研究結果顯示： 1 、地形信息容量的理論與方法對于dem精度與應用適宜性的研究具有重要的作用； 2 、在黃土丘陵溝壑區，同1 ： 1萬比例尺5米解析度的dem相比， 1 ： 5萬比例尺25米解析度dem在提取地形特徵方面具有較大的差異，但誤差的量值與空間分佈具有統計上的規律性與可估算性； 3 、以上研究結果可望為其它各級比例尺dem地形信息容量的研究提供新的理論基礎與技術方法，也可為有關規范、標準的制定提供依據。
  3. 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
  4. The md simulation data were analyzed in terms of average atomic positions, root mean square ( rms ) fluctuations, monomer - monomer interactions, hydrogen bond ( h - bond ) network, secondary structure, and so on. through the comparison, we found that when the system includes zn2 + ions and phenol, the stability of insulin hexamer is enhanced, but the conformational flexibility related to its biological activity is decreased. in addition, the insulin hexamer tends to dissociate in the absence of zn2 + and phenol

    通過對這兩個模擬所得到的軌跡在原子的平均位置、方均根漲落、方均根偏差、單體之間相互作用、氫鍵網路、二級結構等方面進行的比較分析發現，對于包含鋅離子和苯酚的體系，胰島素六聚體的穩定性得到了增強，但其構象柔性卻受到了削弱；對不含鋅離子和苯酚的體系，胰島素六聚體的穩定性明顯減弱，構象柔性卻表現得較為突出，在這種情況下，胰島素六聚體還表現出解聚的傾向。
  5. The effects of cooh + implantation on cells ( murine macrophages, 3t3 mouse fibroblasts and human endothelial cells ) were studied in vitro. properties of hemocompatibility, including coagulation time, recalcification time, were also investigated. the results showed that the modified surface of pp displayed good hemocompatibility and caused no adverse effects on cells in vitro

    動態凝血時間試驗顯示cn和dlc鍍層材料具有良好的血液相容性和細胞相容性， cn膜在這些方面的性能決不比dlc膜差，說明其作為人工假體表面塗層材料是可行的，進一步研究它們在生物醫用材料表面改性中的應用是有意義的。
  6. All the data were analyzed by analysis of variance of spss, and it turned out some surprising and unexpected findings, which deviated from the original hypothesis : ( 1 ) chinese non - english - majored efl learners showed multiple perceptual learning modalities, which was the similar tendency with those in traditional classroom ; ( 2 ) although there was a slight decrease of the means of six instructional learning styles, there was no statistically change of the visual, tactile, kinesthetic, individual and group learning ; ( 3 ) however, there was a significant negative shift on auditory learning style of chinese non - english - majored efl learners, which was contrary to the originally hypothesis ; ( 4 ) after being analyzed as a moderator variable, gender played a significant part in the choice of instructional learning styles among chinese non - english - majored efl learners ; ( 5 ) within the group of female or male learners, it produced significant change in auditory, kinesthetic and group learning in female students while there was no significant change of all the six learning styles in male students

    而長期以來，研究者都是從理論的角度，對學習方式和計算機輔助教學進行研究，從實證角度的研究乏善可陳，基於此，本文運用定量研究的方法，著眼于調查研究計算機輔助教學對大學英語學生學習方式影響.本文以重慶大學來自8個專業的353名學生為研究對象，根據他們接受計算機輔助教學的時間長短分為三個組，進行問卷調查，對數據進行整理和分析，得出以下結論：大學英語學生傾向于多種學習方式；在六種學習方式中，有五種學習方式並沒有隨著在計算機輔助教學的環境而呈現顯著的變化；但在聽覺型學習方式上，出現了下降；從對性別的比較中，男生和女生在幾種學習方式上具有顯著的差別;而計算機輔助教學環境對男生學習方式沒有明顯的作用，卻對女生的聽覺型，體驗型和小組型學習方式有顯著影響。
  7. As to the work about experiment study, at first, the paper makes certain the prominent affecting factors to the automating and humidifying property of this kind of nozzle by orthogonal experiment. by jicha analysis method and fangcha analysis method, the paper got that the nozzle aperture, the initial water temperature and the spraying pressure have prominent effect to the humidifying property while the effect of the original air state is small

    試驗工作方面，首先通過正交試驗確定對撞針型高壓小孔徑離心式噴嘴霧化加濕性能影響顯著的因素，運用極差分析法和方差分析法，得到噴嘴孔徑、噴水初溫和噴水壓力對噴嘴的加濕性能影響顯著，而待加濕空氣初狀態的影響相對較小。
  8. Efficiency of permeable pile dike is closely related to water - sand ratio in upstream flow, direction of the coming flow and seepage rate. this paper investigates mechanism and effect of flow control and aggradation using hydraulic modeling and theoretical analysis. it is shown that suitable seepage rate can help aggradation and suitable coming flow direction can help to govern the flow trend

    研究結果顯示，來流和來沙一定的條件下，透水率在適當的范圍內有利於壩后緩流落淤，入流角在一定范圍內對控導河勢有明顯作用，不同方案組合所對應的緩流落淤效果和控導河勢作用具有一定的差異性。
  9. The main work and conclusion for this paper is as following : according to the flashover test results of several kinds of iced insulators under positive voltage and negative voltage, this paper obtained : for the single porcelain insulator, the single glass insulator and the composite insulator bridged completely by icicle, the metal cathode ' s strong ability of emission electron is the primary reason that results in the lower negative flashover voltage ; the position difference of the high resistance district in method anode side results in that porcelain insulator cluster and glass insulator cluster have an evident effect of polarity ; when less ice and no icicle at the brim of the sheds, due to numerous non - polar arcs on the composite surface, the effects of polarity of composite insulator was lost using the test method of the average flashover voltage in the freezing period, dc flashover performances were investigated of several insulators with some typical structures and different material

    本文的主要工作和結論如下：在人工氣候室內，根據不同覆冰絕緣子正、負極性下的閃絡試驗結果，得出負極性電弧金屬陰極的強電子發射能力造成了單片瓷、玻璃絕緣子及被冰凌橋接的合成絕緣子有較低負極性冰閃電壓；正極性電弧金屬陽極側產生高電阻區所處位置的差異使得瓷和玻璃絕緣子串具有明顯的極性效應；覆冰較少時，合成絕緣子表面出現數量較多的非極性電弧使合成絕緣子無極性效應。利用覆冰期內平均閃絡電壓的試驗方法，對不同材質和結構的絕緣子在覆冰、低氣壓和污穢共存環境中的直流閃絡特性進行了研究。試驗結果表明，直流平均閃絡電壓隨著海拔的升高、覆冰量的增加以及污穢度的增加而降低，且其特徵指數與絕緣子結構、覆冰量、覆冰狀態、污穢度等有關。
  10. Second, the thesis dicuss the discrepancy of the factor structure of the different sample attribute including identity 、 age 、 degree 、 working years 、 position years 、 department with t test and one - way anova, moreover the staff job satisfaction model is builded with confirmatory factor analysis according to the different identity, and it is obviously different of the factor structure, which loyalty is the most influential to the fomal employee and the less is perfomance examination, salary is the most influential to the informal employee and the less is working press

    第二，本文使用t檢驗和方差分析，分別考察員工工作滿意度在身份以及年齡、學歷、工齡、崗齡、部門等統計特徵上的差異，並在此基礎上進一步採用驗證性因素分析方法建立不同的員工身份的工作滿意度模型。在模型中樣本的因素結構存在顯著差異:對正式職工的工作滿意度影響最大的因素是忠誠度，影響程度最小的是績效考核;對招聘職工工作滿意度影響最大的是薪酬，影響程度最小的是工作壓力。
  11. The study shows the characteristics of goodwill are that : ( 1 ) it is the present value of extra - profit of corporation ( 2 ) it is an intangible assets ( 3 ) it is uncertain and risky ( 4 ) the usage is limit and the formation and variance of value is special compared to other assets. as to the recognition and measurement : ( 1 ) we should conceal combined variance item in combined statement when the goodwill is formed in the mode of controlling combination in order to conform to the international principle ( 2 ) the recognition of self - constructed goodwill is necessary ( 3 ) we should make impairment evaluation to revise amortization when we start to amortize after its first recognition ( 4 ) we attach more importance to un - direct measurement approach on present stage ( 5 ) direct measurement approach can be adopted to self - constructed goodwill, while for goodwill - purchased, it may be reference only, we should adopted un - direct approach to recognize. the accounting process of positive and negative goodwill are that the former should conform to the systematic amortization method.,

    2商譽的確認、再確認與計量： u ）對我國而言，以控股合併方式下形成的外購商譽在合併報表中的處理應遵循國際慣例，取消合併價差項目； （ 2 ）從資產的確認標準以及會計原則等多個角度來看，確認自創商譽非常必要； （ ）商譽在初始確認后，應對購買商譽進行攤銷的同時，並進行商譽的減損評價，使減損評價起到「修正」攤銷的作用： （ 4 ）直接計量法與間接計量法是計量商譽的兩種方法，現階段只能是計量的科學性讓位於計量的難易程度，採用間接法計量商譽； （ 5 ）隨著近年來自創商譽入賬的呼聲日益高漲，若要將自創商譽入賬，顯然只能採用直接計量法計量其價值，而對外購商譽，可以先以直接計量法的計算結果作為重要參考，然後再用間接計量法計算的結果對商譽登記入賬。
  12. After expounding vr concept and its characters, the necessity and rationality of vr existence and its application in cad / cam, several other aspects are studied : first, the three kinds of stereoscopic display theory are set forth and the research is focused on the theory which is based on parallax and discussed from the aspects such as the physical basis of the third dimension production, the influencing factors of third dimension, the theory and arithmetic of drawing stereoscopic figures etc ; second, the difference among vr, other interaction methods and vr ' s status are studied from the perspective of human computer interaction development, the cognitive psychology model of vr interaction is analyzed and a classification study on vr is done according to different operation missions and metaphors ; third, the concept of virtual design is given out based on the research on its other concepts, then the difference among vr, cad and the realization of virtual design are studied

    在闡述虛擬現實的基本概念與特性、存在的必要性與合理性，以及在cad / cam方面的應用的基礎上，本文深入研究了: 1 .虛擬現實的三種立體顯示原理，著重於基於視差方式的立體顯示，從以下幾個方面進行了多角度的探討:產生立體感的生理基礎，立體感影響因素，立體圖繪制原理與演算法等。 2 .虛擬現實的交互原理，從人機交互的發展角度研究了虛擬現實與其它交互方式的異同以及它所處的地位，分析了虛擬現實交互的認知心理學模型，並按作用於對象的任務不同和交互隱喻方式的不同對虛擬現實的交互方式進行了分類研究。 3 .虛擬設計，在研究虛擬設計的各種定義方式的基礎上定義了本文中虛擬設計的概念，研究了它相對于傳統cad的不同之處，以及虛擬設計的實現規劃。
  13. In the light of its special property being not easy to gain strength, through mechanics researches on different methods to stabilize this kind of low _ liquid _ limit silty soil as subbase material, evaluated both technically and economically, we have got a cement lime stabilization plan to meet the index requirements for non _ side _ limit strength of compression of subbase of class2 road stipulated in the specification ; by means of improving the workmanship, thickening the loose layer of soil, adding soil on covering weave fabric before compaction, such problems can be solved as very poor compaction, loose surface during compaction, roughness and unevenness, coats of layer and shear damages

    本文針對黃河沖積而成的低液限粉土其粘粒含量極低、土的不均勻系數很小、膠體活性差的工程特性，通過採用不同方法穩定該類土作底基層材料的力學性能研究，從技術、經濟角度綜合評價，得到滿足規范抗壓強度指標要求的水泥石灰穩定方案。通過對原材料、試驗配合比設計、施工、等方面進行優化，從而顯著減輕了基層的早期及長期縮裂程度，從而提高了路面的耐久性。
  14. 5. compred with control group, the serum mda, la has similar alterative tend in experiment group after hyperoxia intake. such results indicated that how to apply this method effectively after exercise maybe determined by intake time, which should be studied further. 6

    吸氧組和對照組血乳酸的變化並沒有顯著性差異，提示，吸氧的恢復作用與吸氧濃度和吸氧時間密切相關，積極發揮吸氧在運動后的恢復效用可能存在某種有效方案，有待于進一步研究。
  15. Results indicated that the teacher in vocational school and high school only differed in their perspectives of environment ; no gender and professional title differences were found in educational perspectives of vocational school teachers, but there were remarkable professional title differences in high school teachers " personal teaching efficacy and their perspectives of personality and cognitive ability ; male teachers and teachers with lower professional title were more likely to educate their students in negative way ; both the vocational school and high school teachers " educational perspectives were strongly related to their teaching styles ; to the teacher in high school, their personal teaching efficacy and perspectives of heredity had better predictive function for teaching style. to the teacher in vocational school, their perspectives of personality and sense of teaching efficacy had better predictive function for teaching style. meanwhile gender and professional title were also significant predictors of the two types of teachers " teaching style

    本研究結果表明：兩類教師的總體差異較小，只在環境觀上存在顯著差異；在教育觀念上，職校教師的性別和職稱差異均不顯著，而普中教師的個人效能感和對學生的個性、認知能力的發展期望隨職稱上升明顯增加，在教育方式上，男教師和低職稱教師都有更多地採用消極教育方式的趨向；兩類教師的教育觀念與教育方式之間的關系均很顯著；普中教師的個人效能感、遺傳觀和對學生的認知發展期望是影響其教育方式的主要指標，職校教師的教學效能感和對學生的個性發展期望是影響其教育方式的主要指標，同時，性別和職稱對兩類教師的教育方式也具有影響作用。
  16. Compared with farmland, the spatial distribution of orchard expressed very different characteristics. under continuous scale, distribution of orchard showed a regular pattern such as unevenness small scale : side length of the box was shorter than 8 cells - evenness small and moderate scale : the length was among 8 and 50 cells - unevenness moderate scale : the length was among 50 and 200 cells - evenness moderate and large scale : the length was longer than 200 cells ; human landscape transformation was the major impact factor of landscape changing, and a kind of moderate scale impact factor. the terrain was only a background impact factor ; during domestic landscape transforming in the working area, because the ecological maintenance value of two agricultural elements were not considered, their structural and functional equilibrium decreased gradually

    果園在中尺度區間的空間分佈與農田相比表現出顯著的差異，連續尺度的空間分佈表現出不均勻小尺度：滑箱邊長小於8個像元均勻中小尺度：邊長在850個像元之間不均勻中尺度：邊長在50200個像元之間均勻中大尺度：邊長大於200個像元的變化規律4人為改造作用是景觀動態變化的主要驅動力來源，並且表現為一種中尺度影響過程，地形因子則為背景性影響因素5景觀改造活動由於未能兼顧農業組分在區域生態穩定性維護方面的價值，兩種組分的整體結構和功能穩定性有所降低。
  17. This paper analyzed the noniinear, non - - equilibrium, fractai and chaos characteristics of chinese stock market, identified, estimated and tested three fractionaliy integrated time series models the first chapter " introduction to the evoiution of stock market investment theory " summarized the nine important representative theories of different stage, summed up the trend of the development that the stock market investment theory is evotving from static portfplio theory to dynamic time series modei, from univariate modei to muitivariate modei, from linear modei to nonlinear complicated model and from traditional modei to fractai modei, paved the way for following discussion

    實際情況卻是股票市場影響因素以及各因素之間相互作用關系復雜，受投資者個人及群體心理因素影響明顯，股票的波動以及收益與風險的關系常常是非線性的，非均衡的，收益的方差和均值是自相關的、不穩定的，收益的波動符合分形布朗運動，表現出分形和混沌的特徵。本文分析了股票市場的波動的非線性、非均衡、分形和混沌特徵，建立並檢驗了幾種股票的分形差分異方差時間序列模型。
  18. Authors used auto - correlation method and took longhua area, shenzhen city, as working area to study the spatial structure characteristics of landscape pattern and their contributing factors. the results indicated that all the landscape structure variables, which were used in the analysis process, expressed good structure features. it means that the landscape pattern of working area was formed by some kinds of driving forces which could not only cover the whole area, but also had good continuity. detailed analysis resulted that the elevation differences were only the background impact factor of the landscape spatial pattern, but the intensive artificial landscape reforming of the fast urbanization process was the main contributing factor, which made the significant differences of landscape structure between 1988 and 1996. since 1990, the landscape of working area has gradually changed to a landscape dominated by human impact

    利用空間自相關分析方法，以深圳市華地區為例，對快速城市化景觀的空間結構特徵及其成因進行了研究。參與分析的景觀結構變量均表現出較好的結構性，表明該地區景觀是在一種既可以覆蓋全區，又具有良好連續性的驅動機製作用下形成的。進一步詳細分析結果表明，工作區內的地形條件差異是景觀空間分佈格局成因的背景性因素，而快速城市化過程中人類活動的強烈改造作用，是導致1988年和1996年景觀結構特徵發生顯著差異的根本性影響因素。
  19. Abstract : in surface oil and gas geochemical exploration, the physiographic environments of the geochemical surveying points, especially the variation of the soil media, will exert obviously different interferences on different technical indices. a comparison of anti - interference capacities between such techniques as adsorbed filaments, acid - dissociated hydrocarbon and phase state hydrocarbon reveals that the adsorbed filament index has evident anti - interference capacity

    文摘:地表油氣化探中，測點所處的自然地理環境，特別是樣品介質條件的變化，對不同方法指標所產生的干擾作用有明顯的差異，通過對吸附絲、酸解烴和相態烴方法的抗干擾性比較，發現吸附絲指標具有明顯的抗干擾能力。
  20. This author chooses 156 rural elementary students in grade two as research objects and use egma minnen av bardndos nauppforstran ( embu ), and eysenck personality questionnaire ( epq ) to study their parental rearing patterns and their personality characteristics. the relationship between parental rearing patterns and their personalities is also studied. the results are as follows : 1

    因此，本文選取農村初二學生156人作為被試，運用父母教養方式評價量表（ embu ）和艾森克人格問卷（ epq ）考查了初中生的父母教養方式和人格特點，以及父母教養方式與其人格的關系，具體結果如下： 1 、農村初中生父母教養方式存在顯著的性別差異。
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