相對變異 的英文怎麼說

中文拼音 [xiāngduìbiànyì]
相對變異 英文
relative variation
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 異 : 形容詞1 （有分別; 不相同） different 2 （奇異; 特別） strange; unusual; extraordinary 3 （另外的;...
  • 相對 : 1. （面對面） opposite; face to face 2. （非絕對的） relative 3. （比較的） relatively; comparatively
  1. While the fruits ripening process was delayed in leetrl antisense fruits. epinastic of leaves in leetrl antisense plants was only occasionally observed, which was not observed in leetr2 antisense plants ; ( 5 ) when treated by exogenous ethylene ( 25ul / l ), the abscission of antisense leetr2 petiole explants was delayed. moreover, leaf epinasty failed to be induced by ethylene treatment c, which suggested that these tissues were insensitive to ethylene

    （ 5 ）植株衰老和葉片脫落延遲，花瓣脫落也明顯的延遲，在轉反義leetr1基因番茄的果實成熟特性被明顯改變，表現在乙烯釋放高峰延遲，果實顏色出現變異，以及和成熟相關的酶活性的改變，然而，轉反義leetr2基因的果實的成熟特性與對照相比無明顯差別。
  2. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下：首先針對荒漠化地區的地物特徵，對高光譜數據不同波段的數據質量、波段組合進行了評價，提出了適用於荒漠化監測的基本波段選擇集；初步了解和掌握了研究地區的地物光譜特性及變異規律，進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎；發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象，對于譜形相似而整體反射率的值相差較大的兩類地物，通過引入均值和方差圖像參與分類得到解決；研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段，這些波段與植被生物量和蓋度都有密切的關系，是開展精細植被分類研究和植被定量反演的重要基礎；像元的導數光譜分析可以消除土壤背景的影響，是進行植被生物量和蓋度定量反演的有力工具；建立了荒漠化監測主要評價因子的定量反演模型，並分析了模型的適用性。
  3. Results show that the spatial distribution of the precipitation of the west is very uneven and obviously different in every quarter ; the characteristics of precipitation is droughty and less - rain in almost all part in winter. plentiful in summer, spring and autumn are transition phases, rainfall of autumn is more than that of spring in the most of region ; relative variability of each season rainfall is bigger than that of year, the variability is biggest in winter, but smallest in summer. alike between spring and autnmn and comprative in numerical value ; the area of least precipitation is in talimu basin and the northwest of chaidamubasin, not in the northwest of china

    研究發現：西部地區年降水量的空間分佈極不均勻，局地差異大；冬季絕大部分地區乾旱少雨，夏季雨量豐沛，春秋季是過渡階段，大部分地區秋雨多於春雨；各季降水量的相對變率大於年變率，夏季最小，冬季最大，春秋兩季相似，數值上與冬季相差無幾；我國雨量最少的地區位於柴達木盆地西北部和塔里木盆地，並不在我國的最西北角。
  4. Cluster analysis by upgma methods indicated that these five stocks might be divided into three clusters. results of rapd a nalysis suggested that extensive genetic diversity was detected in this species and the genetic divergence among stocks was relatively high ; upgma phylogenetic tree showed there existed three geographic populations of p. polyactis in the yellow sea and the east china sea, which supported the previous conclusion by morphological and ecological methods. part two : the genetic diversity between trichiurus lepturus and eupleurogrammus muticus random amplified polymorphic dna ( rapd ) technique was applied to 12 individuals from each species of the hairtail fishes trichiurus lepturus and eupleurogrammus muticus collected from the yellow sea

    50一2 . 44 ） ，群體內和群體間的遺傳變異比例分別為69 %和31 % ;群體間的平均遺傳相似度和遺傳距離分別為0 . 9139和o . q861 ;用非加權配對算數平均法（ unweightedpair - groupmethodofari山m七tiome即s ， upgma ）聚類分析的結果表明，所分析的5個群體可被分為3個地理群系，從分子水平上支持了過去有關學者把黃海和東海的小黃魚劃分為北中南3個地理群系的觀點。
  5. The characteristics of tm - 22 expression presented in transgenic tobacco : 1 ). virus specificity in either homozygote or heterozygote ; 2 ) tm - 22 gene integrated in tobacco genomic dna with single copy and in inheritance and segregation to progenies on the mendel role ; 3 ). transgenic line with tm - 22 promoter ( ptm47 ) showed infected symptoms with cell death distinguished to one with 35s promoter ( ptm49 ) after inoculation with tomv - 2a

    其次，通過氨基酸序列和結構的比較，確定tm - 2 ~ 2基因的編碼蛋白與tomv病毒在抗病反應中相互識別的特異氨基酸及其功能；然後，應用重組dna技術，互換tm - 2 ~ 2基因和tm - 2基因的對應結構域，構建嵌合基因，獲得嵌合蛋白表達的轉化體，驗證tm - 2 ~ 2編碼蛋白中變異氨基酸的作用。
  6. Additionally, protein bands were found in the range of 62 kd in microsomes from oryza sativa and 45 kd from arabidopsis thaliana -, 2 ) the ipar - like protein was mainly localized in the vacuolar membrane ( tonoplast ) and plasma membrane in the leaf and root tip of arabidopsis thaliana for confirming the biological role of the ip3r - like protein, we investigated the effects of methyl viologen ( stimulating ip3 produce ) and heparin ( a competitive inhibitor of inositol 1, 4, 5 - triphophate in animal ) on stomatal movement by epidermal strip bioassay. when the epidermal strips of arabidopsis thaliana were treated with methyl viologen, it stimulates the stomatal closure

    擬南芥表皮條用甲基紫精處理，可以引起氣孔的關閉，當處理90分鐘的時候，氣孔的相對開度由100降到58 ，統計學分析氣孔開度的變化有顯著差異；甲基紫精引起氣孔關閉的作用可以被肝素部分抑制，當甲基紫精和肝素同時處理90分鐘的時候，氣孔的相對開度由100降到92 ，統計學分析氣孔開度的變化沒有顯著差異，說明氣孔的相對開度基本上沒有變化。
  7. Through similar and supplementary action, polygenes can have important effects on total variability.

    通過相同的和添加的作用，多基因可以對總的變異起重大的影響。
  8. The results from x - ray diffraction demonstrated that pp / mmtome was a fully intercalated nanocomposite, pp / mmtom and pp / ommt were partly intercalated nanocomposites, but the intercalation effect of pp / mmtom nanocomposite was better ; the crystallization characteristics of pure pp and pp / mmt nanocomposites were investigated by dsc, waxd and pom. the result of these testing showed that mmt nano - layers acted as nucleating agents for the crystallization of pp, the addition of mmt had effect on the crystallization process, leading the increasing of crystallization temperature crystallization rate and crystallinity, but also the dimension of spherulite reduced. but the formation of pp crystal did n ' t change, the formation of pp crystal in three pp / mmt nanocomposites and pure pp were a - form on the whole ; influences of three sorts of mmt on mechanical properties of pp / mmt nanocomposites were studied, as a result, the addition of mmt comprehensively improved mechanical properties of pp : notched impact strength, tensile strength and flexural properties were all increasing, but the extent of increasing were n ' t large

    通過xrd分析比較這三種pp mmt納米復合材料微觀結構得到， pp mmt _ （ ome ）屬于完全插層， pp mmt _ （ om ）與pp ommt的插層程度相近，但是pp mmt _ （ om ）相對較好；通過對純pp和三種pp mmt納米復合材料的結晶性能研究發現，蒙脫土納米片層對pp結晶產生明顯的異相成核作用，結晶能力增強，使pp的結晶溫度和結晶速率提高，結晶度增加，球晶晶粒細化，但是沒有改變pp的結晶形態，三種pp mmt納米復合材料的結晶形態都屬于晶；通過對pp mmt納米復合材料的力學性能測試得知，蒙脫土的加入全面提高了pp的力學性能，缺口沖擊強度、拉伸強度和彎曲性能都有一定程度的提高，浙江{ _業大學碩十學位論文摘要但是提高幅度都不是很大，不過ommt 、 mmtom和mmtc ） me三種蒙脫土對pp力學性能有著不同的改性作用，其中pp / mmtom最好， pp月邊mto崛次之， pp / ommt最低，這種情況主要是由蒙脫土對pp結晶性能的影響和蒙脫土的納米改性作用造成的。
  9. During cantilever construction of large span cable - stayed bridge steel box girder, the local relative deformation of steel box girder is obviously different between girder to be suspended and girder supporting crane

    摘要大跨度斜拉橋主梁懸臂拼裝匹配過程中，吊機作用梁段和被起吊梁段由於受力不同，相對變形存在較大差異。
  10. Analysis of the sequence variation of cytochrome b gene indicated that there is no evidence of insertions or deletions, i. e., they are all of identical length of 1143 bp in all the sequences of cytochrome b gene. further, the sequences can be fully translated into amino acid using chicken mitochondrial codon without nonsense mutations or intervening stop codons. the 1143 bp cytochrome b alignment contained 416 variable sites, of which 306 were parsimony informative sites with the strongest variable in third codon positions and less variable in first and second codon positions

    細胞色素b基因序列變異分析表明： 1 ）雁形目鳥類細胞色素b基因全序列長度一致，無插入和缺失：對照雞線粒體密碼子系統全序列能全部翻譯成氨基酸序列，無無義突變，全序列內部無終止密碼子； 2 ）序列比對后1143加，含416個核著酸變異位點， 306個簡約信息位點，其中處於密碼子第三位的變異最大，第一位和第二位堿基的變異相對較小。
  11. This process reflects the deviating behaviors make impact to culture deviation. meanwhile, the culture deviation combined with individual characters and other related factors also direct the deviating behaviors of temporary migrants. it ' s the process of cultural influence

    這種變異的文化，與個體特徵及其他相關因素結合，又成為了流動人口產生高危行為（如賣淫、嫖娼、靜脈吸毒等）的主要誘因，體現出文化對行為的指導，支配作用。
  12. Based on natural selection, it executes three same and simple genetic operators : selection, crossover and mutation. under the leading of fitness value, it makes an efficient searching in complex spaces until acquiring the best result

    它基於自然選擇的原理，通過循環執行相同的、簡單的選擇、雜交和變異三種遺傳操作，並在適應度函數值的引導下對復雜的解空間進行有效地搜索，直到獲得最優的解。
  13. In this algorithm, the unfitness function is chosen as a merit at the beginning of iterative and a new cross operation is designed. in addition, we use a hybrid mutation operation, and make immune operation on individual after mutation operation

    該演算法在迭代初期引入不適應度函數作為評價標準，結合啟發式交叉和邊重組交叉運算元設計了一種新的交叉運算元，採用了模式變異和啟發式變異相結合的混合變異運算元，並對變異后個體進行免疫操作。
  14. Both absolute difference and relative difference among per capita gdps of 14 cities ( prefectures ) increased year by year since 1990 - the absolute difference increased linearly - - and this increased tendency would n ' t change in short period. by counting the discrete and ratio between per capita gdp of every city ( prefectures ) and that of the total province, the relative development speed of every region and the industrial structure of every region, i think that the characteristic of the spatial structure of regional economic difference in hunan is that the area along the beijing - guangzhou railway line in the east of hunan developed fast, while the vast area in the west of hunan developed slowly, so the regional difference increased constantly. on the difference background between the east and the west of hunan, there is the difference between central region and fringe region, for one thing it shows ring difference, namely chang - zhu - tan internal ring, surrounding chang - zhu - tan medium ring, the outermost external ring, the most underdeveloped counties lie on the fringe and mountain regions in the west, south and east of hunan, for another it displays that the peripheral regions of 13 prefectural cities are more developed than the other

    文章還建立了反映基礎設施水平、經濟發展水平、社會發展水平的23個主要指標構成的湖南省區域差異衡量指標體系，在此基礎上，藉助spss統計分析軟體，運用主成分分析法，對湖南省14個市州經濟發展綜合水平的差異狀況進行了研究，結果表明：長沙市的經濟發展綜合水平在14個市州中遙遙領先，反映了湖南省經濟發展空間結構的「單極主導」特徵；通過計算人均gdp的標準差和標準差系數，研究區域經濟差異的總體水平及區域經濟不平衡發展的演變趨勢，發現90年代以來湖南省各市州人均gdp的絕對差異和相對差異都在逐年擴大，其中絕對差異隨年份直線上升，且這種差異擴大的趨勢在短期內難以改變；通過計算各市州人均gdp與全省人均gdp的離差和比率、各市州發展速度的差異及產業結構的差異，認為湖南省區域經濟差異的空間特徵是：湘東京廣沿線地區基礎較好，發展較快，湘西地區發展緩慢，地區差異不斷擴大；通過以縣為對象的差異研究發現在湘東湘西差異的大背景上還有核心區與邊緣區的差異，它一方面表現為長株潭內層、圍繞長株潭的中層、更遠的外層的圈層差異特徵，最落後的縣分佈於湘西、湘南、湘
  15. But in this situation, some conflicts and problems such as the imbalance of economic development emerged and wait to be solved

    第三，利用theil熵和變異系數等綜合性相對差異指標測度區域經濟發展差距的變動格局。
  16. This paper is based on rs and gis, analyses the characteristics of luc of three periods in daqing city, discusses the traits of lucc of different periods, and discusses the driving forces from two aspects - nature factor and social factor, and forecasts the future land use pattern, points out the focus of land use continuable development. this research includes three significant problems, they are : the gaining of the lucc data in daqing area, the translation of land use pattern and its driving forces research, forecasts of the future land use pattern research. in the process of the study, we obtain the data that we need through manpower estimation and interpretation based on gis, then put the results into software envi, reclassify land use types using masking technology and decision tree

    本次論文以黑龍江省大慶市為研究對象，基於遙感和gis平臺，提取了1979年、 1990年、 2001年區域土地利用/土地覆蓋數據，分析了研究區三個時期的土地利用/土地覆蓋特徵，利用單一土地利用動態度、綜合土地利用動態度、土地利用相對變化率等參數模型從土地資源數量、土地利用程度及土地利用區域差異等方面，探討了不同時期區域土地利用/覆蓋演化的特點，並從自然因素和人文因素兩個角度探討了區域lucc驅動力，最後利用馬爾科夫鏈模型對區域土地利用格局的發展趨勢進行了預測研究，提出了區域土地利用可持續發展的重點，為轉型時期的大慶市土地利用決策提供參考。
  17. The relative change rate of land use type is an index reflecting regional difference of change of land use

    土地利用類型的相對變化率是一種反映土地利用變化地區差異性的指標。
  18. By calculating the relative change ratio of the cultivated land, the author analyzes the difference of the cultivated land changes in the different sections of zhangye oasis

    通過引入耕地面積相對變化率計算分析了張掖綠洲各區縣耕地資源變化的區域差異。
  19. Based on the investigation data of land use change of yangzhou city between 1996 and 2004, this paper describes the process of land use structure change and its regional differences with the index of relative change rate

    摘要以揚州市1996 - 2004年土地利用變更調查數據為基礎，對其土地利用結構變化過程進行了描述，並選取相對變化率指標，分析了變化的區域差異。
  20. Based on the theory of regional economic discrepancy, the paper will give a numerical discription of the conditions of discrepancy by per capita gdp and appraise the absolute discrepancy by range at the some time, and appraise the relative discrepancy by extreme value relative range > coefficient of variation > weighted coefficient of variation

    論文以區域經濟發展差異理論為基礎，使用人均gdp等指標來量化地區經濟發展水平差異狀況，用極差來衡量區域經濟絕對差異，用極值相對差、變異系數、加權變異系數來衡量區域經濟相對差異。
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