• We suggest the measurement of wedge field depth dose for the accurate dosimetry.

    精确治疗,我们建议测量楔形剂量数据。

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  • Methods: The depth doses and peripheral doses were measurement for open field and Enhanced Dynamic wedge field as well as physical wedge.

    方法:利用电离室法测量平野、动态楔形物理楔形野的深度剂量野外周边剂量。

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  • The PDD comfarmation between virtual field and open field simplifies radiation treatment planning and increases the accuracy of wedge field therapy.

    虚拟楔形平野深度剂量曲线一致性简化了治疗计划或者提高了楔形野实际治疗剂量精度

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  • Flow field of shock wave passing by right Angle and wedge is analyzed using numerical method and numerical interference technique combining with experimental interferograms.

    使用数值计算方法数值干涉技术结合实验干涉图片,分析了激波过拐角绕楔形物体运动

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  • A sort of electrostatics problem that using electric image method to solve the electric field in the wedge area between two infinite earthing metal boards are discussed using group theory.

    静电学中用电求解无穷大接地金属楔形区域内的电场的题目,利用群论方法加以讨论,给出了可求解条件及一般的象电荷分布。

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  • The exact formula set for the midplane of the uniform-field wedge magnet is derived.

    本文推导了均匀场楔形磁铁在中心平面精确光学公式

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  • Objective to study the relation between the field size and depth of Fw (wedge factor) and its effect on the clinical usage.

    目的研究楔形因子与照射大小测量深度相关性,为临床准确使用该因子提供依据。

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  • Objective:The effects of depth and field size on wedge factors were studied.

    目的:探讨楔形深度射野大小楔形因子影响

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  • The theoretical and calculating models of field emission properties of metal cone and wedge are established.

    建立了金属圆锥楔形发射体性能理论计算模型

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  • ObjectiveThe effects of field size and asymmetric field on wedge factors are studied.

    目的探讨楔形因子大小不规则射野之间关系。

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  • A field emission theory of metal wedge emitters was proposed.

    提出楔形发射体的电子发射理论并给出计算实例。

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  • The stability analysis and evaluation of wedge rock mass is a difficult problem in engineering field, and there are defects in the traditional evaluation method.

    楔形岩体稳定性分析评价一直工程界难点,而传统评价方法存在种种缺陷

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  • This paper examines the steady-state temperature field in a wedge-shaped honeycomb sandwich panel under the condition of assymetrical heating.

    本文研究对称加热情况楔形蜂窝稳定温度

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  • By means of finite element method, a numerical simulation of water impact is proceeded for a three-dimensional wedge-shaped structure impacting on the fluid field with a free-surface.

    本文采用有限元,就三维楔形体结构带自由表面过程进行数值模拟

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  • The radiation angle and the given dose for each field were derived from this equation. The wedge angles of each field were got.

    利用靶区剂量分布均匀时每个的照射的剂量,由此求出楔形滤板应取楔形

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  • Elastic wedge model is used for analysis of excavation of homogeneous slope. On the basis of elastic plane-strain theory and the line folds to add theory, stress field of the excavation is got.

    本文采用弹性理论中的楔形体理论,对边坡开挖过程进行分析平面应变问题基础上结合线性叠加原理得到开挖坡体的应力场

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  • A novel dual field of view optical system with dual image was presented, the design methods of this system, the operational principle of beamsplitter and the optical wedge are discussed respectively.

    介绍像双视场红外光学系统,对设计方法分光原理分光元件进行了深入讨论

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  • Patterns of the diffracted field around a wedge are given and their physical meanings are discussed in depth, based upon some existing solutions to edge-diffraction problems.

    本文现有尖劈衍射解的基础给出尖劈边缘附近声场的清晰图象,深入讨论它们的物理意义

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  • Patterns of the diffracted field around a wedge are given and their physical meanings are discussed in depth, based upon some existing solutions to edge-diffraction problems.

    本文现有尖劈衍射解的基础给出尖劈边缘附近声场的清晰图象,深入讨论它们的物理意义

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