查询词典 element

When using this equation it will be assumed for consistency that represents the phase lead given to each element with respect to its adjacent element in the direction of the chosen reference element.

使用这个公式时，假设每个单元相对于其相邻单元的相位超前在选定的参考单元方向上是一致的。

Therefore, the author takes account the constructive features of the Reinforced Concrete structures to raise the concepts of identical and un-identical displacement field, and to establish new elements for plane and space RC structures, including plane quadrangle element with several tendons, plane triangle element with one tendon or several tendons, block element with several tendons and so on.

在深入研究已有钢筋混凝土组合与均匀二类单元，发现普遍存在没有充分考虑到钢筋实际作用的问题，从而导致了计算结果过于保守后，本文首先针对钢筋混凝土的构造特征，提出了同一位移场与非同一位移场的概念。

The main problem of building the finite element model have been studied, including predigestion of structure、choice of element type、controlling of element quantity、simulation of loading and constraining and so on.

研究了有限元模型建立过程中所应考虑的主要问题，包括结构的简化、单元类型的选取、单元数量的控制、单元质量的检查、网格的布局、载荷和约束的模拟等。

In this paper, some problems that have to be faced with in the application of SPLL to static synchronous compensator are analyzed, and two improvements of SPLL are proposed. The first one is removing the filtering function of lead-leg element into the prepositive delayed signal cancellation element to remedy the difficulty in deciding its parameters; the second one is directly taking the post-PI regulation output of q-axis voltage as error signal of phase to call off the forward integrating element.

分析了软锁相环应用于静止同步补偿器时面临的若干问题，并提出了2方面的改进方案：一是针对超前/滞后环节参数选取困难的问题，将其滤波功能转移到前置延时信号消除环节中；二是q轴电压经PI调节的输出直接作为相位的误差信号，减少了前向积分环节。

Element approach is employed, and the amount of each component holdup is calculated element by element with a proper void fraction model.

将换热器分解成若干微元，选用恰当的空泡数学模型，计算各组分在换热器中的滞留量。

This paper discusses the displacement counter-calculated method, the in-out boundary element method, the combination boundary punition element with finite element, the time series analyzing and the Grey system theory on pressure and displacement of soft rock tunnel support.

论述了软岩巷道围岩及支护压力与位移计算和预报的位移反算方法、内外边界元方法、边界罚单元与有限元结合方法以及时间序列分析方法和灰色系统理论方法并结合该5种方法在岩土工程中的应用，探讨了它们的可行性和实用价值，为地下工程软岩巷道的支护和设计提供了重要的参考

According to research into the regional geochemical characteristics of the northern Xinjiang (they consist of abundance valve and vary coefficient of element, distribution of element among stratum and magmatite, regional anomalous geochemical characteristics), the author discuss vary regular pattern of element and geochemical anomalies among different stage of stratum and magmatite in the northern Xinjiang.

摘要对新疆北部区域地球化学基本特征―元素的丰度值、变化系数、元素在地层及侵入岩中的分布规律、元素共生组合、区域地球化学异常特征的研究，阐明了新疆北部区域上、不同时代地层及岩浆岩中元素及地球化学异常的变化规律。

This paper focuses on four important aspects as follows. The first one is the establishment of variational quations which provides the mathematics theories for the finite element method of HMT; the second one is for the study of scalar/node and vector/edge finite element method; the third one is about how to solve faster for the large-sacled matrix system of scalar/node and vector/edge finite element; and the last one is achieving the forward modeling with high precision of HMT method.

主要包括四部分：建立与高频大地电磁法边值问题相等价的变分问题，为有限元数值计算奠定数理基础；标量/矢量有限元方法的研究；加速标量/矢量有限元矩阵系统方程迭代求解技术的研究；实现高频大地电磁参数精确快速正演模拟的研究。

A 3-D finite element system of lumbar L4-5 was sectionally constructed with Mimics software system by lumbar CT images. The system was turned into a finite element system of degenerative lumbar by modified it's material parameter. The lumbar rotatory manipulation was decomposed by principium of manipulation. The parameter of mechanics was analyzed with the finite element system.

使用腰椎CT片，以Mimics软件系统逐层重建L4-5三维有限元模型，通过设定结构的参数完成退变腰椎间盘模型将向右侧旋转的坐位腰椎旋转于法进行分解，把各项力学参数代人模型进行计算分析即时显示于法作用时退变腰椎间盘的内在应力和位移的变化。

The finite element analysis models of linear elastic fracture with 20-nodes substance element and cracking singular element were established.

提出采用20节点等参单元、裂缝奇异单元，建立了铺装层线弹性断裂力学有限元模型，通过裂缝尖端应力强度因子的计算，研究了钢桥面沥青铺装层破坏情况对裂缝扩展的影响。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。