梯度變化 的英文怎麼說

中文拼音 [tīdùbiànhuà]
梯度變化 英文
change of gradient
  • 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
  1. There is a period of soil contents range from ten to twenty five days over the humid discussed area in summer, and the period is not obvious at the discussed zone of close oasis desert area in summer and winter. ( 2 ) soil temperature exits several periodic variations of different depths ranging from six to twenty four days in heihe region, and nine to thirty days in gaize and shiquanhe region. it also shows that gradient of soil temperature affects on the soil content movement more greatly in summer. ( 3 ) the land surface temperature of yangtze river lower region is retrieved from noaa - ahvrr data

    （ 2 ）根據土壤溫濕資料，採用功率譜分析、 pca分析等方法，分析了兩種典型下墊面土壤溫度的時空分佈特徵及其對土壤水分運動的影響，發現研究區土壤溫度除日和年變化周期外還存在6 30天的不同周期；下墊面的非均勻性及其季節變化及溫度梯度變化對土壤水分運動有很大影響，冬季溫度梯度變化對土壤含水量影響大於夏季溫度梯度對上壤含水量變化的影響，且溫度梯度與水分運動方向相反。
  2. For this reason, to analyze the spatial and temporal dynamic of ground water table and water quality beneath the typical phytocommunity in particular areas, will be helpful to probe into the dynamic formation of soil moisture and salinity, and to understand the spatial variation of vegetation

    因此，分析區域內典型植物群落的地下水水位、水質在時空上的動態變化，有助於探討土壤水鹽動態變化的形成條件，揭示植被在空間上梯度變化的原因。
  3. The result of dca ordination shows that diffirent plant communities and their distributing area vary with the environmental grads in the ordination graph when the first axis of dca denotes altitude change and the sencond axis of dca denotes change of water equivalent in the soil

    Dca排序結果表明， dca第一軸反映海拔變化， dca第二軸表示土壤含水量的變化，隨著環境梯度變化，不同的植物群落在排序圖上也有各自的分佈范圍。
  4. The verification of the algorithm is performed using a gauss - distributed concentration ball and a stock wave at steady flow in an open channel. the comparison with an analytical problem solution shows that the precision and the stability of quasi - consistence hexahedral element method is as good as that of consistence hexahedral element method, better than that of the linear interpolating function method

    6 、比較分析了網格布置形式對圓管流動和臺階突擴流動計算結果的影響后表明，應在物理量梯度變化較大的區域適當加密網格，才能較好地模擬這些區域的流動特性以及壁面對整個流動的影響。
  5. Surrounding these special problems met in gas hydrates exploration and through study of high - precision magnetic survey, the sea test by r / v haiyang 1y that is owned by guangzhou marine geological survey in dongsha area of the south china sea, systematical analysis of the test result and combination interpretation of magnetic survey with seismic profile, the authors successfully employ the method to recognize the truth or false of the diapir in seismic profile by integrating total field of high - precision marine magnetic measurement with its gradient change

    本文就目前天然氣水合物調查中存在的這些特殊技術問題，通過對海上高精度磁力測量技術方法研究、廣州海洋地質調查局「海洋四號」船在南海北部東沙海域的海上試驗、對試驗結果的系統研究分析以及磁測和地震剖面兩種手段的綜合解釋，成功地嘗試了用高精度海洋磁測成果中的磁力總場和梯度變化特徵來識別水合物勘探中高解析度地震剖面上的泥底辟構造真偽的技術方法。
  6. 5 the dynamic of soil water content and salinity is significantly different among communities in ecotone. the soil moisture and salinity are two main factors that influence the distribution and succession of plant communities

    5 、過渡帶各類型群落間土壤水鹽動態存在顯著差異，土壤水鹽的梯度變化是群落分佈和演替的根本原因。
  7. Flier - plate with graded wave impedance, which can be regarded as a new type of functionally graded material ( fgm ) since its wave impedance changes gradually along the thickness direction and thus can be used to generate quasi - isentropic compression energy waves in targets or drive projectiles to hypervelocities, has come to show great potential for the application in dynamic high - pressure technique

    波阻抗梯度飛片作為一類新型的功能梯度材料（ fgm ） ，因其波阻抗值沿厚度方向呈梯度變化而具有準等熵壓縮特性並能進一步用於超高速發射中，可以看作是fgm的優異特性在動高壓物理領域中的應用新拓展。
  8. With the consideration of the vertical wave effect of soil and soil - pile interaction, an approximate analytical solution to vertical vibration of pile system with variable impedance in visco - elastic layered soil is developed. a simplified and practical mathematical model for interaction between soil layers is proposed, and its applicability is theoretically investigated. based on this model and by using laplace transforms and the transmit property of impedance function, the analytical expression of the impedance function and solutions of the displacement and velocity response function in frequency domain and in time domain at the pile head are derived

    4 、從三維軸對稱土模型出發，對考慮樁土耦合作用、土層層間聯系以及樁周土豎向應力梯度變化條件下的成層粘彈性土中完整樁及變阻抗樁系統縱向振動問題進行了研究，提出了成層土中變阻抗樁系統縱向振動問題的近似解析解法和樁周土層層間相互作用的簡化而實用的數學模型，並利用拉氏變換和阻抗函數的傳遞性，獲得了成層土中任意段變阻抗樁樁頂阻抗函數的解析表達式，以及樁頂速度導納和時域速度響應解析解和半解析解。
  9. This gradient in orbital periods causes shear : bits of material at slightly different distances from the center of the disk slide past one another [ see box on page 54 ]

    這種軌道周期的梯度變化會引起切變：距離圓盤中心遠近稍有差異的物質，會彼此超前或落後（參見第67頁圓盤如何旋轉與輻射） 。
  10. One of them, grafting copolymerization of polydimethylsiloxane oligomer with acrylate, was used to make a polyacrylate elastomer with improved compatibility to poly dimethyl siloxane ( pdms )

    採用tg呈梯度變化的聚丙烯酸酯單體共聚合的特殊分子設計，制得阻尼值均等的聚丙烯酸酯彈性體。
  11. The results show that thermoluminescent anomalies, whose two edges are higher and the middle is lower, indicate the uranium deposit, the rapidity step of natural voltage indicates the transitive section of oxidation - reduction

    自然電位陡梯度變化帶反映了氧化還原過渡帶的位置。鈾、鉬、釩的地氣異常在礦體上方或礦體邊緣位置有不同程度的顯示。
  12. Furthermore, the compositons of the fe / mo fgms are gradually varied and conformed the law of the gradient materials

    兩相組成，成分連續梯度變化，符合功能梯度材料的變化規律。 fe從。
  13. For instance, numerical simulations show that in discrete models made of interacting blocks carrying a continuous scalar stress variable, the average stress is about two thirds of the stress threshold for rupture

    例如，數字化模擬顯示，由相互作用的承載著連續梯度變化應力的地塊構成的離散模型中，平均應力大約為導致破裂應力極限的三分之二。
  14. Without special forming equipment, the gradient distribution of components and the designed properties of the material can be achieved by the component graded change, layering formation and mechanical vibration. and the study shows that more layers of the structure, smoother transition from one layer to another

    在沒有專門的水泥基梯度材料成型設備的情況下，採用組分梯度變化，通過分層布料和機械振動成型的方法，通過合理的控制，基本上保證了組分的相對梯度變化，分層越多，梯度分佈連續性越好。
  15. Accordingly, the change trend of each functional feeding groups from 1st to 6th order streams is congruent with rcc, but the degree of the gradient changes of shredder, collector and scraper groups are much smaller than those predicted by the theory because of the influence of non - point pollution

    一至六級支流取食功能團變化趨勢符合河流連續性理論，但撕食者、集食者及刮食者的梯度變化沒有理論上的梯度變化明顯，這是由於閶江河存在一定程度的非點源污染導致的。
  16. The different ratio and dosage of composite surfactants were researched about the polymer latex ' s stabilization and structure. these copolymers and homo - polymer blend to prepare self - structure gradient film. to prepare the functionally gradient materials ( fgm ) of polysilane - polyacrylate, the method of emulsion mixture was performed

    各種均聚物、共聚物膜的水滴接觸角顯示，單體tris的含量越高，膜的水滴接觸角越大，這也表明共聚物的表面能隨tris的含量呈梯度變化。
  17. It interprets image editing as a variational problem concerning the adaptive adjustments to the zero - and first - derivatives of the images which correspond to the color and gradient items

    模型將圖像編輯問題理解為同時考慮圖像的零階圖像的顏色和一階圖像的梯度變化的自適應調整問題。
  18. Measuring the differences emphasizes anomalies from shallow sources having steep gradients at the expense of low-gradient variation of the type.

    測定兩點之間臨近的差只需以犧牲低梯度變化為代價而突出淺層源引起的具有陡梯的異常。
  19. Important missing aspects are : turbulent flow, numerical discretization techniques specially the relevant and difficult topic of numerical treatment of advection and related numerical methods of solution, variable property fluids, boundary layers, stability, etc. rather, it focuses on more primitive and fundamental issues of numerical treatment of advective equation and proper formulation of initial boundary value ( ib vp ). numerical problems associated with advective dominated transport include spurious oscillation, numerical dispersion, peak clipping, and grid oriention. however, the key of numerical solution of three - dimensional advective problem is searching for a high - precision interpolating function, which can keep the computational stability and low damping

    3 、針對三維純對流方程提出了實用的擬協調單元模式，並與線性插值模式和協調單元模式比較后表明，在物理量大梯度變化的情況下，線性插值模式會產生較大的數值阻尼，導致解的失真；協調單元模式具有極高的計算精度和良好的計算穩定性，還可較好地克服數值阻尼，但由於計及物理量的二階導數項，計算工作量大，邊界條件給定尚存在一定的困難；而擬協調單元模式不僅具有協調單元模式計算精度高的優點，還避免了物理量的二階導數項，可大大地減少計算工作量。
  20. It is brought forward for the first time that in summertime the pco2 of the surface water near the changjiang estuary, whose salinity is less than 20, decreases dramatically from upwards of 800uatm to downwards of 300uatm within the range of less than half one latitude, suggesting a transformation of a strong co2 source to a co2 sink in a finite space

    首次調查得到，夏季長江口附近鹽度20區域的水體極高的pco _ 2 （最高測得800 atm以上）在不到半個緯度的范圍內遞減到300 atm以下，即由一個很強的大氣co _ 2源，有限的空間尺度范圍內變成為匯區，有著極大的梯度變化。
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