double integral 中文意思是什麼

double integral 解釋
二重插值
  • double : adj 1 兩倍的，加倍的。2 雙的，二重的，雙重的；對，雙，兩，復。3 雙人用的；折疊式的。4 （意義）雙...
  • integral : adj 1 完全的；缺一不可的，主要的。2 【數學】整的，積分的。n 全體，整體；【數學】積分。 definite i...
  1. The main purpose of this paper is to study crack growth rate of a class of nonlinear viscoelastic materials under the condition of constant load and small - strain. in this paper : the new test program is raised by referencing the existing test programs and by our trial and error ; in the new test program, facilities involved in the nonlinear viscoelastic crack tests are relatively few, the test process is relatively simple and the data obtained from the experiments are credible. on this basic, the calculation of j integral of nonlinear viscoelastic double cantilever beams specimens and the parameter of fracture work of corresponding nonlinear viscoelasticity are derived

    具體成果包括： 1 、證實了雙懸臂梁試件用於非線性粘彈性裂紋擴展實驗研究的優點：雙懸臂梁試件在實驗中能觀測到的擴展過程持續時間比較長，在計算j積分時，計算方法簡單； 2 、得到了改性聚丙烯材料用於非線性粘彈性裂紋擴展實驗的兩種有效的試件構形和相應的試件尺寸；採用不斷改善夾具的方法使得加載穩定； 3 、經過連續四個多月的時間得到了一組有用的實驗數據； 4 、得到了裂紋長度與時間的關系、裂紋擴展速度與時間的關系、裂紋擴展速度與裂紋長度的關系。
  2. Our company is specialized in supplying all kinds of terminal block, switch test double block, ground block, fuse block, three - level sensor block with light, double block, universal block, integral block, nylon cable ties, cable ties, releasable cablle ties, self - locking cable tie, marker calbe ties, flexible pipe, cable marker, expansion nail / plug, wire joint, cable clamp, nail clip, screw on wire connector, self - adhesive tie mount, spiral wrapping band, wire connectors, cable tie mounts, nylon fasteners, cable gland, nylon ties, cable terminal, terminals, terminal connector, wiring duct, pre - insulated terminals, cable markers, electrician tools, cabling accessories, plastic cable ties, wire tie, tie wrap, beaded tie wraps, tie wrap adhesive, tie wrap tool, cable, wires, terminal connector, terminal block, nail, nylon cable glands, pe tubing and quick screw connector, circle nail cable clips, self - adhesive tie mounts, expand nails, spiral wrapping bands, screw on wire connectors, copper connecting terminals, pre - insulated electrician tools, wire connectors, cable tie mounts, nylon fasteners, nylon ties, cable terminal, pre - insulated terminals, cabling accessories, plastic cable ties, wire tie, tie wrap, beaded tie wraps, tie wrap adhesive, tie wrap tool, cable, wires, terminal connector, terminal block, nail, nylon cable glands, cable accessories, wiring accessories etc. we offer superior product and best service with competitive price

    我們公司是專門供應各種終端塊，交換機測試雙重座，地面座，保險絲座，三層傳感器座輕型雙座通用塊，積分塊，尼龍電纜聯系，電纜聯系，松解錨索關系自鎖式電纜接頭，光纜標記關系，軟管，電纜標記，膨脹釘/插頭，電線接頭，電纜鉗，夾釘，螺絲電線連接，自粘配合摩，螺旋帶包，導線連接器，線纜配合固定座，尼龍緊固件，電纜壓蓋，尼龍關系，電纜終端，終端，終端連接器，電線導管，預終端絕緣，電纜料，電工工具，電纜配件，塑料電纜聯系，配合鋼絲，為配合劇情，串珠配合纏上搭膠包裹，包裹配合工具，電纜，電線，終端連接器，終端塊，釘，尼龍索腺體，聚乙烯管材及快速接頭螺絲，圓釘電纜夾，自粘配合固定座，擴大釘，螺旋帶包螺桿導線連接器，銅接線端子，預絕緣電工工具，電線接頭，電纜接頭固定座，尼龍拉鏈，尼龍關系，電纜終端，預終端絕緣，電纜配件，塑料電纜聯系，配合鋼絲，為配合劇情，配合串珠包，搭包膠，配合工具包，電纜，電線，終端連接器，終端塊，釘，尼龍腺體電纜，電纜配件，線路配件等，我們提供卓越的產品和最好的服務，具有競爭力的價格
  3. Finally, niutoushan double - curvature arch dam was modeled and 3 - d fem simulation analysis was performed, so as to find out the integral safety factor and the stress and displacement patterns of dam and its foundation under different load combination

    最後，對牛頭山水電站雙曲拱壩進行了有限元建模和三維非線性有限元模擬分析，計算分析了各種情況下壩體和基巖的應力位移規律，對大壩的整體安全度進行了綜合評判。
  4. An integral property and its physical significance of difinite integral, double & triple integral, curve and curved surface integral of generalized odd and even functions are demonstrated, which are symmetrical about plane, line and point in the domain

    論述了關于面、線、點對稱的區域上的廣義奇、偶函數的定積分、二重、三重積分、曲線、曲面積分的一個性質及其物理意義。
  5. In this paper, the metal explosive working technique and the fabrication characteristics of metal vessels with double layers were introduced. based on the comparison between new and traditional techniques, the reliability of the technique for mould - less high energy integral forming of spheroidal vessels with double layers was stated, and the prospective application of this techniques to the fabrication of the low temperature pressure vessels was presented

    本文將從前言、金屬爆炸加工技術介紹、雙層金屬容器加工製造要點、新技術與傳統技術的對比、無模高能整體分步成形雙層球型容器技術的可靠性和本技術在低溫壓力容器製造領域里應用的前景等六方面進行闡述。
  6. Partially prestressed concrete structure has been widely used in the field of civil engineering. the deformation is very important for prestressed concrete members, for they are thinner than those of reinforced concret owe to the adoption of hign - intension material and developed technic of design and construction. at present, there are some formulae for deformation in the criterion of many countries. mostly there are 3 methods in use : double linearity method, method of valid inertia and curvature integral calculus method. this article will discuss the influence of material, spa, construction form, and adjust the formula for stiffness of gb50010 - 2002 to a new uniform formula for deformation

    在土木工程領域，部分預應力混凝土結構因其良好的跨越能力和經濟性而得到了廣泛的應用，並發揮了巨大的作用。由於採用了高強度材料並進一步改善了設計和施工技術，預應力混凝土構件一般比普通鋼筋混凝土構件更為細巧，因此，撓曲變形問題顯得尤為重要起來。目前，各國規范對于部分預應力混凝土構件的變形計算均有相應的公式，變形計算的關鍵是剛度的計算。
  7. Side impact intrusion is minimised by the double - skinned floor construction, strong side sills and integral side impact bars in each door

    側面的撞擊經雙層底板、高強度的側面門框和每個車門內部的防側撞桿防護而降至最低。
  8. The interpolate technology just like a " ruler ", the resolving power of the " ruler " affect that the sampling points are arrayed correctly on time axis, and is determined by the multiple of the double slope integral amplifier. so it is core in the whole project. the project apply the complicated program logical device ( cpld )

    內插技術的應用使得隨機采樣理論能夠得以實現，內插技術相當于測量用的「尺子」 ， 「尺子」最小分辨能力決定了最後采樣點重新在時間軸上位置排列的真實可靠程度，這里尺子的最小分辨能力是由雙斜率積分時間擴展器放大倍數決定的，所以說該模擬充放電放大電路在整個方案中是個很關鍵的部分。
  9. In the first chapter, we obtained weighted norm inequality on the commutators, by proving a variant of sharp function estimates ; j. orobitg and c. perez introduced ap weights for nondoubing measures and proved weighted norm inequality of c - z singular integrals. in the second chapter, we obtained weighted inequalities of fractional integral and its maximal function with ap ( u ) weights for nondoubing measure ; e. sawyer obtained a weak type double weights inequality for fractional integrals in [ 13 ]. in the third chapter, we generalized the sawyer ' s result for non - doubling measures

    本文第一章通過證明一個變形的sharp估計，從而得到奇異積分交換子的加權有界性； j . orobitg和c . p rez在文[ 10 ]中引入了非倍測度的a _ p權理論並證明了c - z奇異積分的加權有界性，本文第二章得到了分數次積分運算元和分數次極大函數在非倍測度下a _ p （ ）權的加權估計； e . sawyer在文[ 13 ]中得到了分數次積分的一個雙權弱型不等式，本文第三章把e . sawyer的結果推廣到非倍測度的情形。
  10. The integral method is adopted caculate and analyze to amf three - dimension distruction which is the structure of coil type four - pole and the structure of coil type double - pole and study the size of two kind of electrode structure axial magnetic flux density distribution and its fielduniformity. the finite - element method is used simulate that eddy current has effect on amf when contact tray of douple - pole amf structure is slotted or no

    本文採用積分方法對本文設計的線圈式兩極縱向磁場觸頭結構和線圈式四級縱向磁場觸頭結構的縱向磁場三維分佈進行了計算分析。研究了電弧燃燒期間兩種觸頭結構縱向磁場強度的大小、均勻性，利用有限元法模擬線圈式兩極縱向磁場觸頭結構的觸頭盤開槽和不開槽時渦流對縱向磁場的影響。
  11. Generalize the integral characters of the odd and even functions of the unary definite integral in the symmetrical interval about the origin are generalized to the double integral of binary symmetrical functions in the symmetrical region, where similar characters are obtained

    摘要導出了把一元定積分中奇、偶函數在關于原點的對稱區間上的積分性質推廣到在對稱區域上的二元對稱函數的二重積分的情形。
  12. The symmetry of double integral and its application

    重積分的對稱性及其應用
  13. Use double integral to deal with definite integral problem

    構造二重積分解決定積分問題
  14. Double integrals in integral inequality proof application

    二重積分在積分不等式證明中的應用
  15. Solving the problem of definite integral by means of double integral

    利用二重積分解決有關定積分的問題
  16. Thirdly, the method to calculate the 3 - d dynamic responding of layered transversely isotropic saturated soils to an arbitrary buried source in cylindrical coordinate as well as to an arbitrary harmonious source in rectangular coordinate is presented respectively. based on biot ' s wave theory, the 3 - d wave equations in cylindrical coordinate for transversely isotropic saturated poroelastic media are transformed into a group of governing different equations with 1 - order by the fourier expanding with respect to azimuth and hankel integral transform method or by the double fourier transform method with respect to horizontal coordinates in rectangular coordinate. then, transfer matrixes within layered media are derived under the continuous conditions, drainage conditions and the boundary conditions

    基於飽和土的biot波動理論，通過fouricr變換，將橫觀各向同性飽和土三維非軸對稱波動方程轉化為一組一階常微分方程組，再經har止el變換，建立問題的狀態方程，求解狀態方程得到傳遞矩陣;利用傳遞矩陣，結合飽和層狀地基的邊界條件、排水條件及層間接觸和連續條件，首次給出層狀橫觀各向同性飽和地基在任意地展力作用下的三維非軸對稱動力響應的解析解。
  17. Time best control of double integral models

    雙積分模型的時間最優控制
  18. In this context, the nlo properties of three kinds of essa ultrathin films are investigated systematically in terms of experiment and theory. the main contents are list in the following : based on the traditional z - scan theory and the huygens - fresnel ( h - f ) diffraction integral principle, we present a double - sided film z - scan theory that is suitable to characterize the nlo properties of the double - sided nonlinear mediums

    本論文從實驗和理論上系統地研究了三類靜電自組裝超薄膜的光學非線性，主要研究內容如下:在已有的z - scan理論基礎之上，基於惠更斯-菲涅耳衍射積分原理推導出了適合於表徵雙面非線性介質光學非線性的雙面膜z - scan理論。
  19. The relationship between j integral of nonlinear elastic double cantilever beam specimens and crack growth rate of nonlinear viscoelastic double cantilever beam specimens is derived. 7. predictions of theory and results of experiments are compared, and what cause error is discussed

    5 、計算了改性聚丙烯雙梁對應的回復彈性j積分；得到裂紋擴展速度實驗數據與j積分的關系圖； 6 、推導了非線性回復彈性雙梁j積分與非線性粘彈性雙梁裂紋擴展速度的關系式；用理論公式預測了裂紋擴展速度理論值與j積分的關系圖； 7 、最後把理論預測和實驗結果做了比較。
  20. A model of double objective mixed integral programming for settling production planning problems without the cost of adjustment was established

    摘要為解決實際生產中一種無調整費用的生產計劃問題，給出了一個雙目標混合整數規劃模型。
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