查询词典 non-metallic element

Therefore an entire geometrical non-linear finite element theory for the structure made of beam, truss and cable elements is established.

磁流变阻尼器克服了现有减震设施存在的橡胶老化、金属锈蚀等问题，具有结构简单、能耗少、出力大、响应速度快等优良特性。

The theory of geometrical non-linear finite element method is researched, which includes equilibrium equation, Lagrange formulation, assembled equations and tangent stiflhess matrix.

中文摘要：本文从大变形的基本理论出发，对几何非线性有限单元法的平衡方程、Lagrange格式、求解方程以及切线刚度矩阵进行了研究。

Based on the Hamilton Principle and the Finite Element Method, a non-linear discrete dynamic equation is worked out.

本文在已建立的动力学方程基础上，通过算例仿真说明了该方法对带端部质量的旋转刚-柔耦合耦合智能结构控制是有效的。

From elastic piezoelectric theory and Hamilton Principle, theory of non-conform piezoelectric finite element method is derived.

根据弹性压电理论与Hamilton原理导出了机电耦合有限单元动力学方程的一般形式，然后引入了非协调元的概念，并应用于压电结构，对压电层合梁进行了较为详尽的分析，还介绍了程序中使用的动力学计算方法。

In conventional numerical analyses the macro non-linearity of the materials is simulated through assigning the nonlinear constitutive relation of homogeneous material to each element.

通常的数值分析通过将非线性本构关系赋给每个单元来模拟材料的宏观非线性。

This paper studies the stress of gravity dam heel with careful numerical simulation, and analyses the effect of the variety of the elastic modulus of homogeneous or non-homogeneous foundations on the principal tensile stresses of gravity dam heel. The conclusions are as follows:① When the elastic modulus of homogeneous dam base and variated element in the critical place is changed with the same the fluctuation, the effect on the dam heel stresses caused by the latter is much more prominent than the former one.

本文通过精细网格模拟研究了重力坝坝踵应力情况，就均质坝基和非均质坝基弹模变化对坝踵主拉应力的影响，得出了如下结论：①均质坝基弹模与非均质坝基敏感区域的变异单元弹模变化相同的幅度，非均质情况引起的坝踵应力的变化远大于均质情况。

Functions: Containing meadowsweet extract, BICACH and NESTDRY ST-2000, it touches tender, fine and light like velvet. Under the non-greasy and waterproof nano-formula, it keeps refreshing the skin and prevents environmental pollution and UV damage on the skin. The powerful lactobacillus element can add to the evenness, pliant, naturalness and immaculacy of the complexion.

功效：纳米无油清爽防水配方，内含 Meadowsweet Extract 绣线菊萃取、 BICACH、 NESTDRY ST-2000等，柔细轻盈如羽绒般的触感，粉质平滑持久清透、附着力强，能均匀排列的附着在肌肤表层上，达到薄而透明感的修饰，在肌肤形成薄薄的保护层，有效阻隔紫外线及外界环境污染侵害；高效乳酸菌亲肤成份，更让肌肤呈现自然、有光泽之透明感，做妆前粉底使用，令妆容更贴合持久。

Having considered material non-linear, this dissertation adopts space isoperimetric element and calculates the ultimate load of this skew hollow slab in several kinds of behaviours. From the computational results, the curve of load and deflection can be drawn and the stress, deformation and destruction characteristic can also be known.

本文采用等参体单元，考虑混凝土材料非线性，对预应力混凝土斜交空心板在多种工况下的极限承载力进行了分析，得出了相应的荷载～挠度曲线和受力、变形及破坏特点。

Its physical model is put forth:"Out of an element of the isothermal surface of non-penetrate material covered airtightly by a perfect reflector, the emission is the one of blackbody at the temperature of the isothermal surface."

第二类黑体辐射源概念和物理模型的提出是在他人早期实践及初步模型的基础上抽象而成。

A non metal lic element,such as arsenic,that has some of the chemical properties of a metal .

准金属，类金属具有一些金属化学特性的非金属元素，例如砷

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。