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equivalent layer
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  等效层
     2 Some theoretical methods for magneto-optical effect, especially, 4×4 matrix method and the theory of the equivalent layer, have been considered.
     在第二章中重点介绍了4×4矩阵法和界面等效层理论的基本思想。
短句来源
     Secondly, with the 4×4 matrix method and the theory of the equivalent layer, the Kerr effects for (TbFeCo)_(100-x)Pr_x magnetic multilayered-films, as a function of interfacial layer, the thickness of magnetic layer and the incident angle, have been simulated.
     2.其次,利用4×4矩阵法和界面等效层理论,引入界面效应,模拟了(TbFeCo)100-xPrx磁性多层膜系统的磁光特性随入射角和磁性层厚度的变化以及混合界面层界面结构变化的关系,发现界面结构对结果有重要的影响。
短句来源
     In comparison with the equivalent layer method currently used in our coun-try, this one has the advantages of higher accuracy and wider scope of appli-cation.
     这个方法与国内现有的等效层法比较,在一定范围内具有精度较高、适用范围较广的优点;
短句来源
     Gravity field can be preferentially continuated,with the log power spectrum of measured potential field being accurately simulated by some Green′s equivalent layer models based on the Wiener filter theory.
     从维纳滤波原理出发 ,应用多层格林等效层模型精确模拟实测重磁场的径向对数功率谱 ,实现了重磁场在频率域的优选延拓。
短句来源
     The reasons leading to polarization for optical coatings at oblique incidence were analyzed. Analysis was made for the equivalent admittance and phase of different polarization states,and the equivalent indices and phase thickness for both polarizations of a symmetrical structure at 45°incidence were computed. Then a non-polarizing broadband antireflection coating with good optical performance within 600~900 nm was designed by using equivalent layer method.
     分析了倾斜入射条件下导致光学薄膜产生偏振的原因,针对不同偏振态的等效导纳与等效相位进行了分析,并计算了对称膜层在45°入射条件下不同偏振态的等效折射率与等效相位厚度,采用等效层方法设计了光学性能良好的600~900 nm波段消偏振宽带减反膜。
短句来源
  “equivalent layer”译为未确定词的双语例句
     after that,the algorithm determines the resistivity and thickness of second layer from that of first and equivalent layer;
     之后再由第一层的电阻率及厚度和等效层的电阻率及厚度计算第二层的电阻率及厚度 ;
短句来源
     Design of Non-Polarizing Broadband Antireflection Coating Using Equivalent Layer
     利用等效层的消偏振宽带减反膜设计
短句来源
     Some measures, such as reasonable geological model, equivalent layer and equalization of Jacobi matrix elements,are taken to achieve less parameters, stable inversion j process and definite solution.
     本文采用了一些措施,如选用合理的地质模型及等效层的方法和平衡雅可比矩阵元素的方法等,力求减少反演的参数,稳定了求解过程和提高了求解的精度。
短句来源
     then determines the resistivity and thickness of equivalent layer parallel connecting both first and second layer;
     然后由高频的视电阻率确定相应的并联等效层的电阻率和厚度 ;
短句来源
  相似匹配句对
     The equivalent beam formula given by G.
     对于G.
短句来源
     The π-equivalent circuit is developed.
     提出了π型等效电路模型。
短句来源
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  equivalent layer
The uppermost layer was used to represent a roughness-equivalent layer, a second layer represented the thermal sprayed coating, and the third layer represented the substrate.
      
The validity of this technique is verified by comparing the reflection coefficient of the equivalent layer with that of the corresponding corrugated layer using the moment method.
      
An equivalent layer thickness (ELT) model is proposed to correct the matrix effects in PIXE.
      
TE is obtained as sum of products of pavement layer thicknesses and equivalent layer coefficients.
      


This paper presents a simplified method for calculating the displacementsand stresses in pavement of a multilayer elastic system. In the conversion of the layer equivalency, this method considers the loadspreading with the depth of pavement. For pavement design, a structural coef-ficient is introduced for the calculation of pavement thickness, thus makingthe results of this method more approaching to the exact solution of the multi-layer system. In comparison with the equivalent layer method currently...

This paper presents a simplified method for calculating the displacementsand stresses in pavement of a multilayer elastic system. In the conversion of the layer equivalency, this method considers the loadspreading with the depth of pavement. For pavement design, a structural coef-ficient is introduced for the calculation of pavement thickness, thus makingthe results of this method more approaching to the exact solution of the multi-layer system. In comparison with the equivalent layer method currently used in our coun-try, this one has the advantages of higher accuracy and wider scope of appli-cation. Furthermore, it may be considered that the new method is clearer inconception, requires simpler calculation than the similar ones adopted abroad(such as the modified Odemack's Method),hence it is easier to be mastered.

本文提出了一个多层弹性体系路面位移和应力的简化计算方法,这个方法在进行层次当量换算时,考虑了荷载随深度的扩散影响;为了路面结构设计的需要,在计算厚度时引进了一个结构系数。如此,使得简化法的计算结果与多层体系精确解十分接近。 这个方法与国内现有的等效层法比较,在一定范围内具有精度较高、适用范围较广的优点;与国外类似方法比较(如修正Odemack法),具有概念清楚、计算简便、容易掌握的优点。

Early Cambrian conodonts and small phosphatic carapaced bradoriids were recently found from the lower part of the Hotang Formation at Wujialing, Jiangshan County, Zhejiang, Southeast China (Fig. 1).The lower part (Bed 3) of the Hotang Formation is characterized by black carbonaceous shale with limestone lenticles ( Fig. 2 ). The fauna includes the conodonts Jiangshanodus carinatus gen. et Sp. nov., Jiangshanodus triangulus (Mambetov et Missarzhevsky), Protohertzinna cultrata Missarzhevsky, Kijacus kijanicus...

Early Cambrian conodonts and small phosphatic carapaced bradoriids were recently found from the lower part of the Hotang Formation at Wujialing, Jiangshan County, Zhejiang, Southeast China (Fig. 1).The lower part (Bed 3) of the Hotang Formation is characterized by black carbonaceous shale with limestone lenticles ( Fig. 2 ). The fauna includes the conodonts Jiangshanodus carinatus gen. et Sp. nov., Jiangshanodus triangulus (Mambetov et Missarzhevsky), Protohertzinna cultrata Missarzhevsky, Kijacus kijanicus (Missarzhevsky); and the bradoriids Liangshanella aff. lubrica Qian et Zhang with some indeterminate genera and species. Earlier, the trilobite Hunanocephalus was reported from the same horizon, at Yangliugang, 5km west of Wujialing, which was thought to be of the Tsanglangpu age (Zhou & Yuan, 1980).In the Wujialing section, the Tongying Formation disconformably underlies the Hotang Formation, and is dominated by stromatolitic dolomite (Bed 1) with a phosphatic layer (Bed 2) at the top of the formation (Fig. 2). In Bed 2, small shelly fossils such as Olivooides, and conodonts such as Kijacus kianicus have been found. At Dachenling, which is about 6km southwest of the studied section, Anabarites trisulcatus Missarzhevsky, Protohertzina anabarica Missarzhevsky have been found in the phosphatic layer at the top of the Tongying Formation. In Fuyang, Zhejiang, Anabarites trisulcatus and Olivooides have been found in the equivalent layer (Zhao & Yue, 1987). This indicates that the phosphatic layer at the top of the Tongying Formation should be the deposition of the Meishucunian.The conodonts found in the lower part of the Hotang Formation show great similarity to those from the Rhombocornicullum cancellatum zone (Cambroclavusbearing bed) of Maly Karatau, Kazakhstan which were thought to be of the late Atdabanian age (Missarzhevsky and Mambetov, 1981). Both of the faunas contain Jiangshanodus triangulus and Protohertzina cultrata, indicating that they should be of similar age.According to the conodonts, bradoriids and trilobites found from the lower part of the Hotang Formation, the fauna should belong to late Chiungchussu to early—middle Tsanglangpu age; its correlations with those of other related regions are shown in Table 1.Description of the fossilsJiangshanodus yue gen. nov.Etymology Jiangshan——a county in Zhejiang Province. the type localityType species Jiangshanodus carinatus Yue gen. et sp. nov.Diagnosis Small (less than 2mm) coniform elements which are long, slender and gently curved. The elements are bilaterally symmetrical or slightly asymmetrical. The anterior side of the element has a long longitudinal carina and the posterior side is nearly flat. Longitudinally there are also two postero-lateral carinae on each side of the posterior surface. In cross section the element is triangular or subtriangular due to the presence of the three carinae. The basal cavity is very deep. It extends nearly all the way to the tip of the element. The wall of the element is very thin, which is 10—20μm in thickness. Arch-shaped growth lines may be present on the posterior side of the element. The convex side of the arch is towards the apex.Age and occurrence Early Cambrian, Zhejiang, China; Early Cambrian, Siberia, Kuznets-Alatau, Kazakhstan, USSR.Jiangshanodus carinatus Yue gen. et sp. nov. (P1. Ⅰ, figs. 5, 8, 9—11, 13, 14; text-fig. 3)Etymology carinatus——Latin, meaning with carina.Holotype 31086/Wu-9(4), Paratype, 31085/Wu-9(5), lower part of Hotang Formation, upper Chiungchussu to lower—middle Tsanglangpu stage, Lower Cambrian, from Wujialing, Jiangshan county, Zhejiang. province.Description More than 10 comparatively well-presearved specimens have been found. The tip of the element is pointed. From the tip to the base, the element expands smoothly and gently. There is no obvious enlargement at the basal part. The anterior carina and the two postero-lateral carinae are comparatively sharp, with the three surfaces between the carinae flat or a little concave. In certain specimens, one of the lateral surfaces may be a

浙江江山荷塘组下部发现原牙形类Protohertzina cultrata Missarzhevsky,Jiangshanodus carinatus gen.et sp.nov.,J.triangulus(Mambetov et Missarzhevsky)等及具磷质壳的高肌虫化石。在平行不整合于荷塘组之下的灯影组顶部发现Olivooides等化石。荷塘组底部的动物群可与哈萨克斯坦小卡拉套下寒武统阿特达班阶上部的第4化石带(Rhombocornicullum cancellatum带,含Cambroclavus层)对比。在时代上它应属早寒武世筇竹寺晚期至沧浪铺早期。荷塘组中所含三叶虫Hunanocephalus ovalis Lee也可证实这一结论。灯影组顶部的Olivooides等化石则应属早寒武世梅树村早、中期。在荷塘组与灯影组之间缺失梅树村晚期至筇竹寺早期沉积。

Lateral interval-velocity variation in a target stratum can be determined by performing travel time inversion of prestack common-shot gathers (or common-midpoint gathers). Interval velocities are evaluated by minimizing the difference between observed travel time and travel time derived from forward modeling. Ideally, this method is identical with seismio reflection tomography, which, however, involves more parameters, so that inversion process is unstable,and solution multiple. Some measures, such as reasonable...

Lateral interval-velocity variation in a target stratum can be determined by performing travel time inversion of prestack common-shot gathers (or common-midpoint gathers). Interval velocities are evaluated by minimizing the difference between observed travel time and travel time derived from forward modeling. Ideally, this method is identical with seismio reflection tomography, which, however, involves more parameters, so that inversion process is unstable,and solution multiple. Some measures, such as reasonable geological model, equivalent layer and equalization of Jacobi matrix elements,are taken to achieve less parameters, stable inversion j process and definite solution. Good results have been obtained in the practice. Travel time inversion principle and relevant technical problems. are discussed, and work steps given. The example is given of applying this method to Daqing seismic data inversion.

本文用叠前共炮点或共中心点道集记录的反射波旅行时反演来确定目的层层速度的横向变化。采用正演模型的旅行时与实测旅行时最佳拟合的方法求取层速度参量,这种方法与地震反射波层析技术是一致的。但常规的地震反射波层析技术求解的参数多,使得计算结果不稳定,且具有多解性。本文采用了一些措施,如选用合理的地质模型及等效层的方法和平衡雅可比矩阵元素的方法等,力求减少反演的参数,稳定了求解过程和提高了求解的精度。在实际应用上取得了良好的效果。另外,文中还论述了旅行时反演原理和有关的技术问题,并给出了工作流程。最后介绍了该方法在大庆地区对地震资料进行反演的实际例子。

 
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