查询词典 finite dimensional

Methods:Three dimensional finite element model of the edentulous maxilla with unilateral maxillary defect was build.

目前应用种植体技术是解决无牙颌上颌骨缺损及缺失后咀嚼功能重建的最有效途径[2～5]。

A three dimensional finite element analysis of bone around dental implants in an edentulous human mandible.

CT扫描及CAD技术在建立无牙下颌骨及其全口义齿三维有限元模型中的应用研究。

Objective:To get objective evidence of the optimal stress condition in broken ends of scaphoid loins fracture,to provide biomechanical basis for the clinical choice of the different fixation postures after scaphoid loins fracture and further to offer theoretical instructions for the treatment after scaphoid loins fracture,stress distribution and shift rules after three types of fracture in scaphoid loins (transverse fracture, radialis oblique fracture and ulnar side oblique fracture) were studied using electrometric method and three-dimensional (3-D) finite element analysis.

目的：运用电测法和三维有限元法，研究腕舟骨腰部三种类型骨折后腕关节在各种不同体位固定下骨折端的位移情况及其所受应力的分布和变化规律，从而得到骨折后良好折端应力条件的客观证据，为临床上腕舟骨腰部骨折后腕关节固定体位的选择提供生物力学依据，进而为腕舟骨腰部骨折后的临床固定治疗提供理论指导。

Methods : Electrometric method and three-dimensional finite element analysis were adopted to biomechanical test to the different fixation postures after scaphoid loins fracture.

电测法：选取成人男性尸体15只腕关节标本，分别制成骨折线为横型、桡斜型和尺斜型三组腕舟骨腰部骨折模型，然后模拟各种固定体位进行电测。

Objective: To get objective evidence of the optimal stress condition in broken ends of scaphoid loins fracture, to provide biomechanical basis for the clinical choice of the different fixation postures after scaphoid loins fracture and further to offer theoretical instructions for the treatment after scaphoid loins fracture, stress distribution and shift rules after three types of fracture in scaphoid loins (transverse fracture, radialis oblique fracture and ulnar side oblique fracture) were studied using electrometric method and three-dimensional (3-D) finite element analysis.

目的：运用电测法和三维有限元法，研究腕舟骨腰部三种类型骨折后腕关节在各种不同体位固定下骨折端的位移情况及其所受应力的分布和变化规律，从而得到骨折后良好折端应力条件的客观证据，为临床上腕舟骨腰部骨折后腕关节固定体位的选择提供生物力学依据，进而为腕舟骨腰部骨折后的临床固定治疗提供理论指导。方法：采用电测法和三维有限元实验方法进行生物力学测试。

The three-dimensional motion equation of the cable-damper system is established and discretized by the finite difference method.

建立斜拉索—阻尼器系统的三维运动方程，并采用有限差分法进行离散化。

In chapter 3,we prove that a complete noncompact n-dimensional Riemannian manifold M whose Ricci curvature Ric_M ≥(n- 1) has finite topological type or diffeomorphic to R~n if its Excess function has some upper bound at a point.

第三章，我们证明了对于Ricci曲率Ric_M≥-(n-1)的完备非紧n维Riemann流形M，若它的共轭半径有正的下界且共轭半径的某个函数为M在某一点的Excess的上界时，它就有有限拓扑型或者微分同胚于n维欧几里德空间。

Objective: To establish a three-dimensional finite element model of facial soft tissue which severs as a foundation of further-step research.

目的：建立正常人面部软组织三维有限元模型，作为进一步研究的基础。

is applied to construct the three-dimension model for finite element analysis. Short circuit and open circuit of the field winding and the teeth and slots structure of the rotor are discussed. An appropriate three-dimensional mesh is made. The corner point problem of conductor is eliminated. Furthermore, a new memory structure for sparse complex matrix and a PCCG method based on it are introduced to save memory and computation time.

在汽轮发电机失磁异步运行转子三维涡流场数值计算模型中，应用了〓法建立了三维有限元计算模型，考虑了转子绕组的开、短路状态及转子齿槽结构，形成了合适的三维剖分网格，解决了三维电磁场有限元计算中角点奇异的问题，创立了一种新的稀疏矩阵的存储格式以及基于该格式的预处理复数共轭梯度法从而减少内存开销和加快了求解速度。

The absorbing performance of one dimensional PML is theoretically analyzed and numerically simulated in view of the error caused by finite difference approximation, respectively, whose results show that this theoretical analysis can exactly indicate practical circumstances.

在计及有限差分近似造成的误差下，理论分析和数值模拟了一维理想匹配层的吸收性能，结果表明这种理论分析能完全反映实际情况。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。