group variation 中文意思是什麼

group variation 解釋
群變化
  • group : n 1 群;批,簇。2 集團,團體,小組。3 【化學】基,團,組;(周期表的)屬,族。4 (雕塑等的)群像...
  • variation : n 1 變化,變動。2 變量,變度,偏差。3 【語言】語尾變化;變體,異體;【數學】變分,協變;順列;【...
  1. The mold cavity number is used to group plastic cuvettes at production time ; this helps to ensure the lowest cuvette - to - cuvette variation in extinction coefficient

    在生產過程中,通過鑄模型腔的數量用來對塑料試管進行分類。這對于確定試管間的最低消光系數很有幫助。
  2. The studies of plane heterogeneity are as follows : the text counts the parameters of the sandlayers " geometric shape of different sedimentous microfacies ; speculates the conditions of lateral communication by sandstone density according to the method brought forward by j. r. l. allen ; gets a group of parameters including the reservoir thickness, porosity and coefficient of permeability by using kriging method according to the data of logging results ; makes certain the direction of coefficient of permeability with variation function by modeling globosity function ; divides the sandlayers into five types by using the method of flowing cell based on three parameters, that is x h, kxh and h / h, and accounts the favorable region. on the base of above - mentioned studies, the text evaluates the heterogeneity of sandlayers and gives the resolutions to these problems to serve the development of the field

    Allen )等人提出的統計方法,用垂向上砂體密度的界限來推測砂體側向連通情況;根據每口井的測井解釋資料,利用克里金插值法對外間進行插值,得到了一組反映儲層特徵在平面上變化的參數,包括儲層厚度分佈、孔隙度以及滲透率,並且成圖;利用變差函數法,通過球狀函數模擬,確定儲層優勢滲透率方向:根據流動單元法,以儲能系數、容積系數以及凈毛厚度比三個參數為依據,通過聚類分析方法進行流動單元劃分,並且按照參數特徵將其分為五類,統計各砂層有利流動單元區塊。
  3. It is just the difficulty that the strongly correlated electron systems can not be studied by analytical methods, a variety of simulative numerical methods come out sequentially. there are a few typical methods such as the exact diagonalization ( ed ), the qutum monte carlo ( qmc ), the variation monte carlo ( qmc ), the renormalization group ( rg ), and the density matrix renormalization group ( dmrg ) and so on

    正是強關聯系統遇到了解析研究的困難,各種數值模擬方法才相繼出現,最典型的數值方法有:嚴格對角化( ed ) ,量子蒙特卡洛( qmc )模擬、變分蒙特卡洛模擬( vmc ) 、數值重整化群( rg )以及密度矩陣重整化群( dmrg )等。
  4. Then, time - variant load characteristic is decomposed and the tva load model structure is proposed to reduce the effects on the time - variation of the amplitudes of the load. finally, the group algorithm and hypothesis testing strategies are applied to solve the problem of the time - variation of the load components

    進一步對負荷特性的時變性進行分解,提出了tva負荷模型結構以消除負荷幅值大小時變性的影響,最後,採用分組演算法和假設檢驗的工程應用策略,解決了負荷組成成分的時變性問題,從而最終從一定程度上解決了負荷的時變性問題。
  5. Among avian orders, the anseriformes ( screamers and waterfowls ) are a morphologically and biologically diverse group containing ca. 150 species distributed worldwide except antarctica. this paper will review the phylogeny of anseriformes firstly and then discuss the molecular phylogeny of anseriformes based on the genetic variation of mitochondrial 12s rrna gene and cytochrome b gene respectively

    本文首先對雁形目鳥類的系統發生研究進行了綜述,然後分別基於雁形目鳥類線粒體dna12srrna基因和細胞色素b基因全序列的遺傳變異分析,探討了雁形目鳥類分子系統發生。
  6. New genetic changes has appeared in the selected shrimp generation, at the same time, no generation - specific bands were found. in addition, genetic variation among g2, g3 w1, hg were estimated by aflp and sampl, as shown in the umpga dendrogram, g2, g3, g4 were clustered into one group, and then g3, g4 were clustered. whether the data from aflp and sampl were calculated together or respectively, the results were similar with only a little difference from aflp

    另外,應用aflp和sampl對g2 、 g3 、 g4 、 w1及一個日照養殖群體hg進行了比較,將aflp 、 sampl條帶統計到一起聚類分析顯示g2 、 g3 、 g4聚為一支與w1與hg的聚合支首先分開, g3 、 g4再聚為一支與g1分開,顯然g2 、 g3 、 g4聚合趨勢與上述sampl分析結果相似;除aflp 、 sampl條帶統計到一起計算外,對上述g2 、 g3 、 g4 、 w1 、 hg相同樣本的aflp 、 sampl條帶分別進行了運算,可以看出兩種方法結果相似,單一技術計算結果與兩者聯合處理結果相似,但aflp條帶經popgene軟體處理所得umpga系統樹卻有所差別。
  7. It shows that the increasing of microwave power can result in increasing of deposition rate, but decreasing of f / c ratios and abundance of cf and cf3 groups in cl - c : f films, and keeping that of cf2 group variation around a constant

    在560w以上的高微波功率下沉積的薄膜是主要由cf _ 2基團和c = c結構組成的- c : f薄膜。
  8. According to the archaeological investigation and research, the ruins group distribution of hongshan culture changed with variation of horqin sandy land affected by climate - temperature decrease, rainfall amount and so on

    根據考古調查研究,紅山文化遺址群的分佈多伴隨氣候環境(降溫事件、降雨量等)下的科爾沁沙地變化而發生變化。
  9. Due to the penetration of outside culture and the extensive use of modern textile, the dressing culture of the hong yao group is confronted with variation and assimilation

    外來文化的滲入和現代染織衣飾的廣泛使用,使紅瑤的服飾文化面臨變異和同化的問題。
  10. Methods : the blood flow parameters of 113 patients with vertebral artery course variation among 1161 patients with cervical spondylopathy were statistically analyzed and compared to the control group

    方法:用彩色多普勒對頸椎病患者進行檢測,從1161例頸椎病中篩選出113例椎動脈走行變異患者,對變異側內徑和血流參數與對照組進行統計學比較。
  11. The analysis of variation in han group revealed geographic difference. the genetic distances based on the sequence of mtdna haplotype have been obtained and the phylogenetic trees were constructed

    在測定的無關個體mtdna單倍型序列的基礎上做進化距離分析,並構建了各民族內部和民族間的系統發育樹。
  12. Abstract : wind tunnel experiments were carried out to investigate the influence of wind direction on the wind pressure of proximite buildings. mean and fluctuating pressure coefficients on a high building, at sixteen different wind incidences and with one and two interfering buildings, were measured in the tests. this paper presents the characteristics of wind pressure on the building, which varies with the incident wind angle and with the numbers of adjacent buildins. due to the variation of wind angle and the interference effects, the complex feature of pressure distributions can be found on the downstream building surfaces for building group arrangement at certain angle of wind attack. some area of the interfered building for such configuration, in comparison with one single building ' s, may undergo very strong positive or negative pressures

    文摘:通過風洞實驗研究了風向對兩個和三個鄰近建築風壓分佈的影響特性.實驗結果給出了在不同風向角下,作用於受擾建築上的平均和脈動風壓系數.當受擾建築處于下游位置時,建築之間的干擾效應主要表現為遮擋影響,建築物上的總體風壓系數不是很大,但在建築物表面上有時會產生局部較大的負壓系數.另外,在某些風向角下由於受到上游分離氣流的影響,在下游建築的局部表面又會出現較大正壓.這些結果可供建築布置和結構設計時參考
  13. Methods of measurement for waveguides - part 3 : variation of group delay iec 61580 - 3 : 1997 ; german version en 61580 - 3 : 1997

    電子成像辦公文件黑白掃描用測試標板第2部分:使用方法
  14. Methods of measurement for waveguides - part 3 : variation of group delay

    波導管的測量方法.第3部分:群時延的變化
  15. Yet there is a wide variation in just how green different companies are, according to greenpeace, an environmental lobby group that launches a new e - waste campaign on august 25th

    「綠色和平組織」 8月25日開始一項新的針對電子廢棄物的運動。根據這個環境游說組織的統計,不同公司的環保程度差異很大。
  16. Group 2 - deals with accident environment for 2003 including detailed tables on accident type, variation of accident in the hour, day of week, etc

    第二組有關二零零三年交通意外時的環境資料,包括意外的種類發生時間周日等。
  17. Group 2 - deals with accident environment for 2000 including detailed tables on accident type, variation of accident in the hour, day of week, etc

    第二組有關二零零零年交通意外時的環境資料,包括意外的種類、發生時間、周日等。
  18. Group 2 - deals with accident environment for 2005 including detailed tables on accident type, variation of accident in the hour, day of week, etc

    第二組有關二零零五年交通意外時的環境資料,包括意外的種類、發生時間、周日等。
  19. Group 2 - deals with accident environment for 2006 including detailed tables on accident type, variation of accident in the hour, day of week, etc

    第二組有關二零零六年交通意外時的環境資料,包括意外的種類、發生時間、周日等。
  20. Group 2 - deals with accident environment for 2004 including detailed tables on accident type, variation of accident in the hour, day of week, etc

    第二組有關二零零四年交通意外時的環境資料,包括意外的種類、發生時間、周日等。
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