梯度分析 的英文怎麼說

中文拼音 [tīdùfēnxī]
梯度分析 英文
gradient analysis
  • 梯 : Ⅰ名詞1 （梯子; 樓梯） ladder; stairs; steps; staircase 2 （姓氏） a surname Ⅱ形容詞（形狀像樓梯的...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 析 : Ⅰ動詞1. （分開; 散開） divide; separate 2. （分析） analyse; dissect; resolve Ⅱ名詞（姓氏） a surname
  1. On the basis of foreign documents, the dissertation firstly describes the morphology, taxonomy, and biological characters of cochineal insects. then, by using artificial climate cases in the lab, according to orthogonal design, 8 lands of combinations of temperature, humidity and light is set, while the temperature has four levels : 15, 20, 25 and 30, and the relative humidity has two levels : 60 % and 80 %, while the light also has two levels : 980 lux and 60 lux. through observations and analysis of hatching percentage, survival percentage of the first instar and during from the second instar to the adult, the population tendency index, generation life cycle, size and eggs of female adult, the development of the cochineal under different conditions is studied

    在收集、整理國外對胭脂蟲的研究資料基礎上，首先從胭脂蟲的形態學、分類學、生物學特性入手，進而在實驗室內利用人工氣候箱，應用正交設計方法，設計了4種溫度、 2種濕度、 2種光照梯度的不同組合，通過測定胭脂蟲的孵化率、 1齡若蟲的存活率、 2齡若蟲至成蟲期存活率、種群趨勢指數、世代歷期、雌成蟲的大小、懷卵量等生物學指標，深入研究胭脂蟲在這些組合下的生長發育狀況，應用數理統計方法，分析出溫度、濕度和光照對各項生物學指標的影響，找出胭脂蟲適宜的室內培育條件，並為野外胭脂蟲的培育提供一定的理論依據。
  2. Paleogeographic data suggest the first occurrence of the taihangshan gravity lineament was initially formed during the early cretaceous, which is coeval with the peak of mesozoic magmatism in this region

    巖相古地理分析說明太行山重力梯度帶的雛形形成於早白堊世，與華北中生代巖漿活動的高峰相吻合。
  3. Finite element method was used for the calculation of temperature field, temperature gradient and thermal stress of the coal water slurry ( cws ) ceramic nozzle

    摘要採用有限元法對陶瓷水煤漿噴嘴溫度場、溫度梯度及其熱應力進行了分析計算。
  4. In this paper, pan based metal gradient composites films ( pmgcf ) were prepared by electrochemical reduction. the effect of polymer matrix on pmgcf and preparation and its forming mechanism of pmgcf were invested, they are as follows : lacrylonitrile - methyl - methacrylate copolymer, acryonitrile - itaconic acid copolymer, acrylonitrile - methyl methacry late - sodium allyl sulfonate terpolymer have been synthesized seperately in order to analyze the effects of the mma monomer unites and the hydrophilic unites of acryonitrile terpolymer on the process of copper deposition in polyacrylonitrile - based metal gradient composite film ( pmgcf ) as well as the flexibility of the film

    其內容如下： 1通過合成的丙烯腈?甲基丙烯酸甲酯二元共聚物（ p （ an - mma ） ） ，丙烯腈?亞甲基丁二酸二元共聚物（ p （ an - ita ） ） ，丙烯腈-甲基丙烯酸甲酯?丙烯磺酸鈉三元共聚物（ p （ an - mma - as ） ）分別作為基體制備了聚合物基金屬梯度復合膜材料（ pmgcf ） ，以分析加入的mma基團和親水性基團對pmgcf沉積層中金屬銅的梯度分佈形態和膜的柔韌性的影響。
  5. Gradient analysis and environmental interpretation of woody plant communities in the middle section of the northern slopes of qilian mountain, gansu, china

    祁連山北坡中段森林植被梯度分析及環境解釋
  6. 3 eight communities are identified by gradient analysis in desert - oasis ecotone, and species are divided into 5 ecological groups. dca ordination is superior to cca and dcca. variation of vegetation explained by environmental and spatial factors reaches 23. 4 % ; among these the species matrix explained by non - spatial soil factors account for up to 11. 5 % of variation, spatial variation that is not shared by soil factors explains up to 11. 6 %, their interaction explains up to 0. 3 %

    3 、通過梯度分析，阜康荒漠綠洲過渡帶群落可分為8個類型，物種可分成5個生態類型； dca排序效果優于cca和dcca ；土壤和空間因子解釋了植被分異的23 . 4 ，其中土壤因子佔11 . 5 ，空間因子佔11 . 6 ，二者交互作用佔0 . 3 。
  7. Cylindrical bending of functionally graded plates with arbitrary distributions of material properties under arbitrary loading are studied using hybrid differential quadrature method ( hdqm )

    摘要利用混合微分求積法，對任意荷載作用下不同材料梯度分佈的功能梯度材料平板柱形彎曲問題進行了分析。
  8. It is found that the mesoscale mountain has significant influence on the location and intensity of the heavy rain area, and the bell - mouthed area and the riverway area of xichang are favorable to the occurrence and development of mesoscale disturbance and heavy rain

    地形梯度分析表明，西昌地區所處的河谷地形和場區所處喇叭口小地形，有利於中小尺度氣壓擾動的發生、發展和暴雨的產生，當地形梯度減弱時，降水量相應減弱。
  9. The relationship between wave - front aberration and focal spot size was researched roundly, and the essential connection between focal spot energy shape and wave front gradient distribution was discovered, and a smarter parameter to evaluate wave front aberration was founded. based on this, the wave front aberration tolerance confined by focal spot size requirement was obtained through calculation and statistics method. 2

    比較全面地分析了系統內部波前誤差與光束焦斑尺寸之間的關系，找到了波前梯度分佈與焦斑能量分佈之間的本質聯系，提出了一個與焦斑尺寸關系最密切的波前誤差參數，並採用數值模擬和統計的方法得到了焦斑尺寸限制條件所要求的波前誤差限制條件； 2
  10. The result showed that the interpenetration network structure between polymeric and deposited metal has been observed under a scanning electronic microscope and optical microscope. the experiments showed that copper deposition gradient distribution and crystal structure were greatly influenced by the the ph value of electrochemical reduction medium solution and the size, number and distributing of microporous in swelling cathode film

    用掃描電鏡和體式顯微鏡對制備的pmgcf進行了分析，結果表明：制備的pmgcf樣品的金屬沉積層梯度分佈均勻，在一定的電化學條件下金屬銅和聚合物基體形成了互穿的立體網狀結構。
  11. Three - dimensional analysis to functionally graded plates with different graded distribution functions

    具有不同功能梯度分佈函數的板件的三維分析
  12. The theory of lift - mode scan capacitance microscope lm - scm is analyzed. under the hypothesis of small amplitude, it is found that the oscillation amplitude of the cantilever is directly proportional to the gradient of the surface capacitance

    對升高模式掃描電容顯微鏡lm - scm進行了理論分析，發現在小振幅近似下針尖的振幅直接正比于樣品表面電容的梯度分佈。
  13. In this paper, the concept of fgm is firstly applied in cement - based materials to study the effect of dispersion phase gradient distribution in cement - based materials on physicomechanical property and functions after the effect of dispersion phase and its mechanism in cement - based materials were analyzed

    本文首次運用水泥基梯度功能材料的概念，分析了分散相在水泥基材料中的作用及其作用機理，探討了分散相梯度分佈對水泥基復合材料物理力學性能以及功能特性的影響。
  14. The coupled turbulent flow field and temperature field are simulated by finite element method ; the influence of casting speed on the turbulent flow field and temperature field in the melting bath and the interaction between those two field are analyzed ; the variation tendency of the heat flux intensity between the melting bath and casting roll and law of variation with changes of casting speed in the process of solidification are given ; a comparison between the simulation results and experimental results demonstrates their good agreement ; and the mechanism of the heat flux variation is identified by analysis on the temporature gradient and development of solidification within the melting bath and its influence on the variation of the heat flux intensity

    採用有限元法模擬了雙輥鑄軋不銹鋼過程的流熱耦合問題;分析了鑄軋速度對熔池內流場、溫度場的影響以及流場與溫度場之間的相互影響;給出了凝固過程中熔池與鑄軋輥之間的熱流密度變化趨勢及隨鑄軋速度的變化規律，並把此模擬的結果與試驗的結果相比較，吻合較好;通過熔池內溫度場及溫度梯度分析了熔池內凝固的發展及其對熱流密度變化的影響。
  15. Building up the model of seawater solar pond, then the approximate calculation about available solar radiation, the theory calculation of temperature and salt gradient distribution in the solar pond, and the analysis of the thermal stability, energy balance and efficiency have been emphasized. 2

    建立了海水太陽池的物理模型，重點進行可用太陽輻射能近似計算、太陽池內溫度分佈和鹽梯度分佈的理論計算、以及太陽池的熱穩定性和能量平衡及效率的分析等； 2
  16. In order to study the regeneration mechanism of dpf in detail, we still need a mathematical model of the channel unit, which present temperature field and the soot reaction rate of the channel. finally, it points out the influences of various factors to the regeneration process by computing the numerical solution of model under different boundary conditions and geometry parameters, such as the initial temperature, the gas flow rate, the oxygen concentration, the sediment quantity and the wall thickness of the filters, and so on. in this way, the paper provides theoretical guidance for optimization design of the dpf

    首先研究了干凈壁流式過濾體的加熱特性，然後在加熱和燃燒理論的基礎上建立了微粒捕集器再生過程的數學模型，並對模型進行了數值計算，得到了捕集器內部的三維溫度場分佈以及溫度梯度分佈，結果與實驗值吻合較好，驗證了模型的正確性;為了詳細的研究微粒捕集器的再生機理，建立了孔道單元數學模型，得到了孔道內的溫度場分佈和微粒反應速率分佈;最後，通過求解模型在不同邊界條件和不同幾何參數下的數值解，分析了各種因素對再生過程的影響，如過濾體初始溫度、過濾體內氣流的流動速率、氧濃度、微粒沉積量以及過濾體壁面厚度，為微粒捕集器的優化設計提供理論指導。
  17. So if dca combines with classified methods, the ordination effect on samples and species is better than that of dcca and cca. 2. fso study on plant communities : we applly fuzzy set ordination ( fso ) to analyze the environmental factors and vegetation data

    植物群落的模糊數學排序研究：運用模糊數學排序對樣地的環境因子和植被數據進行了直接梯度分析，結合twinspan分類結果，與dcca比較，模糊數學排序直觀的得出了環境因子和植物群落間的關系，解析度較高。
  18. Then based on the gradient projection method, the gradient projection direction is deduced. the gradient direction is the base for sensitivity analysis

    接著，根據投影梯度法，推導出了投影梯度方向，該梯度方向是靈敏度分析的基礎。
  19. To realize the auto - operation and high efficiency of the parameter optimization, apdl language is used to work out the design procedure of parameter optimization model, and the sensitivity analysis of design parameter based on the gradient tool is carried out, improving the currency and reliability of

    為了實現參數優化過程的自動運行和高效率，運用apdl語言編制了參數優化模型的設計程序，並且基於梯度工具進行了設計參數的靈敏度分析，提高了參數優化設計過程的通用性和可靠性。
  20. The scheme has a novel feature that the extraction location of the tracer is not fixed at the center location of the grid, but first optimized at the location where the gradient is maximum in the grid domain, and then by cumulonimbus and uniformity test, the final tracers can be decided

    該演算法的特色是反演風的位置並不固定在反演網格的中心位置，而是通過梯度分析的方法使反演風的位置得到優化，再經過積雨雲檢測和灰度分佈均勻程度檢驗，剔除不適合用來反演的目標物。
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