質量變異 的英文怎麼說

中文拼音 [zhíliángbiànyì]
質量變異 英文
qualitative variability
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 異 : 形容詞1 （有分別; 不相同） different 2 （奇異; 特別） strange; unusual; extraordinary 3 （另外的;...
  • 質量 : 1 [物理學] mass 2 （產品或工作的優劣程度） quality 3 economy （離子源的）; 質量標準 quality level...
  1. The ionosphere is a complex medium, which is aeolotropy, asymmetry, dispersive and changes randomly with time. in order to improve the communication quality of the shortwave that depends on the ionosphere, we should have aknowledge of the current condition of the ionosphere in real time. the backscatter sounding of high frequency can diagnose the real - time channel characters for shortwave communication or hf radar, which is great assistant to shortwave communication and hf radar

    電離層是隨機時變，各向異性，非均勻、色散的復雜介質。為了保證依賴于電離層進行的短波通信質量，必須了解電離層的實時狀態信息。高頻返回散射探測可以實時監測與短波通信或高頻天波雷達相關的天波傳播通道的狀態，對短波通信和天波雷達工作起了重要的輔助作用。
  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. High accuracy kdp crystal optics is now considered as one of optics that is the most difficult to be processed for its series of disadvantageous characteristics to optics processing such as anisotropy, soft nature, easy to deliquesce, high brittleness, sensitive to temperature change, easy to crack and so on. therefore the long machining period, low percent of pass and astaticism quality has become the bottleneck of icf technology, and the surface quality control of kdp crystal processing has become the key problem to be solved in the research of icf in our country

    Kdp晶體零件是目前公認的最難加工的光學零件之一，因為kdp晶體具有各向異性、質軟、易潮解、脆性高、對溫度變化敏感和易開裂等不利於光學加工的特點，所以加工周期長、合格率低、質量不穩定成為慣性約束聚變技術的瓶頸， kdp晶體超精密加工表面質量控制問題已經成為我國慣性約束聚變研究中亟待解決的關鍵問題。
  4. Fourth, the paper treats two kinds of hoisting projects of high alititude construction in bulk and member assembly, hositing machine and plan layout, setting up scaffold and joints, and installing trunks, branches and joints etc. then in detail discusses the method which applys total station to measure three - dimensional coordinate of dendriform structure, including selecting survey sign points, creating survey system and converting survey coordinate system etc. the paper also deep research on the welding performance, welding method, welding process, welding stress and control, welding strain and rectification, weld defects analysis and weld quality inspection, and so on complicated heterogeneity steel weld proplems

    接著系統的論述了高空散裝法和分單元安裝法兩種樹狀結構吊裝方案，樹狀結構吊裝機械及平面布置，樹狀結構胎架及節點的搭設，以及樹狀結構樹干、樹枝和節點的吊裝工藝等諸多工藝問題。詳細的論述了採用全站儀對樹狀結構進行空間三維坐標測量的方法，包括測量標志點的選取、測量系統的建立及測量坐標的轉換等問題。深入地研究了樹狀結構可焊性、焊接方法、焊接工藝、焊接應力及控制、焊接變形及矯正、焊接缺陷分析及焊接質量檢查等復雜的異種鋼焊接問題。
  5. Gathering fuzzy technique and model - identifying technique to processing research, fuzzy model - identifying technique, a intersecting science, has been come out, which has become hoto in this thesis, based on deeply researching the fuzzy unit - identifying and complete analysis on data of measuring well of the chandqing wushenqi district, the method of constructing self - adapting multi - dimension non - liner subjection degree function has been created without precedento based on the extraction of routine measuring well character parameters, and for adopting self - adapting method to carry through character compression, the model has been improved the performance and enhanced the convergence speed and sorted precision of the algorithm o the relation of measuring well information and the oiliness & gassiness of sandstones is fuzzy ? in the thesis, the law of max subjection degree has been studied and improved, and proved preferable effect in the practical application

    論文在提取一些常規測井特徵參數的基礎上，採用自適應方法對各變量多項式進行優選，減少了特徵參數間的相關性，突出了類別間的差異性，從而優化了模式的質量，提高了分類的精度。測井信息和砂體的儲集性之間的關系是帶有模糊性的，論文對模糊「最大隸屬原則」進行了研究和改進，並在實際應用中取得了較好的效果。論文成功研製了「自適應」的演算法和軟體? ?即通過對正確回判率的比較，然後對參數進行調節的辦法，可將模式「訓練」到最佳狀態。
  6. The results showed that the number of polyhedra obtained by the staining method was less than that by hemacytometer, but the coefficient of variation of the samples was lower than that of hemacytometer method, thus the staining method can be used in quality control test of virus insecticides

    該染色計數法測得的多角體數量要低於血球計數板的計數結果，但變異系數較血球計數板計數法顯著較小，結果穩定，適用於病毒殺蟲劑的質量檢測。
  7. The result showed that non - enzymatic browning of greengage juice could be inhibited and natural primrose yellow could be kept in the plasming of greengage by adding 0. 2 % ( mass fraction ) sodium erythorbate ; non - enzymatic browning of greengage juice was restrained more remarkably by vacuum concentration than by normal pressure concentration ; the non - enzymatic browning of greengage juice increased and the color darkened with the increase of concentration and processing temperature ; non - enzymatic browning of greengage juice in the storage could be inhibited under the condition of low temperature, and frozen storage was the best store method of greengage concentrated juice

    摘要結果表明：在青梅果打漿時加入質量分數為0 . 2 %的異抗壞血酸鈉，可防止果汁氧化褐變而保持天然淡黃色澤；減壓濃縮較常壓濃縮明顯抑制了非酶褐變的發生；隨著果汁含量和加工溫度的提高，非酶褐變加快，色澤加深；低溫有利於青梅濃縮汁的貯藏，冷凍貯藏是最佳的貯藏條件。
  8. According to the characteristic of cnc plasma cutting machine it could improve the process quality of cutting piece in effect for choosing proper technics, for example, cutting section point, aspect, sequence, speed etal during the period of processing, and elaborating towards the distortion control of single side piece, slightness piece, profiled piece and particularity piece at the same time

    根據數控等離子切割機的特點，在加工過程中正確選擇切割的起點、切割方向、切割順序、切割速度等工藝，可以有效提高切割件的加工質量，同時對單邊工件、細長件、異型件以及特殊件的變形控制進行了詳細地闡述。
  9. So must use information theory method depict and abundant the genetic diversity index system. in addition to, the introduce of molecule biology technology and the research of nucleotide sequence evolutive give a new method for population genetic, so must do deeply research about the analysis method of dna sequence data = the research main about the follows : there are three parts about the information model of population genetic : one about the shannon information entropy property of equilibrium population and the entropy change in the process of establish equilibrium ; another research is about the diversity measure - ment of genetic variation ; lastly, research the shannon information measurement about the disequilibrium gene variation. the result is : 1 to a definite gene distribution, the genotype entropy reach the maximum at the equilibrium population, the process of population from disequilibrium to equilibrium, the entropy get large and large

    此外，分子生物技術的介入及核苷酸序列進化的研究都為群體遺傳學的深入研究提供了新的途徑，但關于dna序列數據的分析方法需要作進一步的研究。本研究主要體現在以下幾個方面： （一）關于群體遺傳學的信息論模型研究，主要分為三部分內容：一是群體平衡的shannon信息熵的性質和群體平衡建立的熵變性質；二是群體遺傳多樣性測度的研究；三是非平衡群體的基因變異測量shannon信息量的方法研究。得到了如下結論： 1 、平衡群體的shannon信息熵最大，群體平衡的過程是熵的增大過程。
  10. By analyzing the differentiae of the total cross sections ( tcs ), the differential cross sections ( dcs ), the partial wave cross sections ( pcs ), the change patterns of the cross sections and the influence on the cross sections because of the var iations in the mass of systems and the relative kinetic energy of incoming atoms for symmetric isotopically substituted systems he, ne, ar, kr, xe - h2, d2, t2 have been obtained. in this paper, we use the tang - toennies potential model for the inertia gas atoms - h2 systems, the murrell - sorbie potential surface with five parameters for the molecules h2, d2, t2. for the inertia gas atoms - d2, t2 systems, we use the same potential surface with the inertia gas atoms - h2 systems

    通過分析he 、 ne 、 ar 、 kr 、 xe ? h _ 2 、 d _ 2 、 t _ 2各碰撞體系在總截面、微分截面和分波截面等方面的差異，總結出在h _ 2分子的對稱同位素替代情形下惰性氣體原子與h _ 2分子體系碰撞截面的變化規律；通過比較he 、 ne 、 ar 、 kr 、 xe ? h _ 2 、 d _ 2 、 t _ 2各體系在碰撞總截面、微分截面、分波截面等方面的不同，詳細討論了同位素替代碰撞體系中體系約化質量及入射原子的相對碰撞能量的變化對碰撞截面的影響，得出了這種影響的規律性。
  11. 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
  12. In order to provide the scientific basis for the good agricultural practice ( gap ) of sichuan bai zhi, rapd was firstly used to analyze the genetic polymorphism of different type from sichuan bai zhi and hangzhou bai zhi. the result showed that different color of petiole has not obvious relationship to whether to bolt or not and different localities have more influences on genetic diversity than different color of petiole

    為配合川白芷生產質量管理規范化（ gap ）研究，本文首次採用rapd技術對川白芷生長過程中不同形態的四個類群及杭白芷進行基因組dna多態性分析，認為川白芷葉柄顏色的不同與是否抽薹無明顯的相關性，而產地的差異對遺傳變異的影響大於因其葉柄顏色不同所造成的影響。
  13. " although the simplest model for a cn affecting gene actiity is where the ariant is a deletion of a gene or part of a gene, we found examples where actiity is affected from a distance, " commented barbara stranger, first author and post - doctoral fellow at the wellcome trust sanger institute. " this may occur when the cn reduces the effectieness of a region that works to switch the genes on or off

    變異拷貝數機制能通過改變特定基因的「劑量」 （即復制后的拷貝數量） ，藉助于裂解某個包含后續可翻譯成蛋白質密碼的基因的活性片斷或藉助于降解控制基因活性即類似開/關及在我們基因組中的調整開關的基因組中具有調控作用的基因片斷來影響基因活性。
  14. Therefore, based on the key project ? esearch on some basic problems on quality control and source tracing in modern manufacture ? ( no. 59735120 ) sponsored by national natural science foundation, a deep research is made in this dissertation its branch subject ? the theory and technology of zero - waste control. the main work and achievements are as follows : 1. on the basis of the introduction of common quality control methods, some key problems about statistical quality control are elaborately discussed ; a method to decide the quality control line is developed ; a mathematical model based on the sampling plan of multi - variation of product quality is set up ; the process manufacturing condition of quality control chart is discriminated using the theory of fuzzy diagnosis

    為此，本文基於國家自然科學基金重點資助項目「現代製造質量控制、溯源若干基礎問題的研究」 （項目編號： 59375254 ） ，重點對其中的子課題? ?零廢品控制理論和技術進行了深入的研究。論文的主要工作和取得的成果如下： 1在介紹了常用質量控制方法的基礎上，對統計質量控制的幾個關鍵問題進行了詳盡的討論，提出了質量控制界限的確定方法，建立了基於產品質量多變異的抽樣方案的數學模型，利用模糊識別理論對質量控制圖工序加工狀況進行了判別。
  15. And secondly target and methods about quality control to construction project, have the affect factor " 4m1e " to quality variation under analysis and control, that quality to be influenced, seven kinds of means and tools of mathematical statistics to control quality and basic work need to do

    接著對施工項目質量控制的依據、目標和方法，影響質量變異的「 4m1e 」因素的分析和控制、數理統計控制質量的七種工具和方法、需做的質量基礎工作等作了全面的論述。
  16. On the other hand, the hydraulic performance of the hole, including flow rate coefficient and uniformity of flow rate, have been tested as standards to evaluate the quality of holes punched by laser drilling machine with much better results than that punched by mechanical drilling machine. the shape of holes taken by a microscope photograph can also give detail and well explanations for this test results

    對噴孔水力學性能的試驗研究表明，本文提出的用噴孔水力學性能指標（流量系數和流量變異系數）來評價微噴帶激光打孔機質量的方法是可行的，並證明微噴帶激光打孔機的質量明顯優于機械打孔的質量，用顯微鏡觀察噴孔的形狀的照片也同樣證明了這一點。
  17. Using historical data from the family, statistic samples were amplified. the approach not only is effective in quality control of the process out, but also convenience and simple

    這種方法既能有效的監控過程質量變異，又能方便簡捷的在現場操作的質量控制方法。
  18. Aiming to realize the automation of quality control activity and quality data processing, a new closed loop quality system model is proposed in this paper

    在質量異常情況時，除報警外也可根據質量模型診斷並定位產生質量變異的工序，針對該工序調整已經預估的工序質量水平，反饋給在線質量計劃部分調整檢驗計劃將重。
  19. Study on variation and inheritance of phenolic compound concentrations in magnolia officinalis of different seed sources

    不同種源厚樸酚類物質含量變異與遺傳的初步研究
  20. From the result of the practice, this structure enhances the brightness of led effectively, improves the quality of the crystal and improves the performance of the device

    並且從實驗結果看，雙層突變異質結有效提高發光亮度，改善了器件參數，晶體質量變好。
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