查询词典 radioactive element

In this paper, finite element method is used to analyze the sinusoidal buckling of drill-strings with connectors in straight well bore. Three kinds of beam elements, one of them is a newly established transition element, are adopted in the finite element model.

本文运用有限元法分析了直井中考虑接头与井壁接触时钻柱的正弦屈曲，有限元模型采用三种不同类型的梁单元，其中一种是新建立的过渡单元。

It is an object of the present invention to provide a method for producing a magnetostrictive element which can give an anisotropic magnetostrictive element from a starting material containing Sm and a transition metal element.

本发明提供一种使用含有Sm和过渡金属元素的材料，能够得到具有各向异性的磁致伸缩元件的磁致伸缩元件的制造方法。

In the finite element analysis, by adding individual beam elements to model the connector between top joints and chords in finite element model, based on the experimental model, the factors affecting the shape forming process of dome, such as the bending stiffness of duckbilled connector and the size of top joints, can be taken into account; A whole and continuous analysis method is put forward for solving the question of applying the member forces produced in the shape forming process to the finite element models of load analysis.

有限元分析中，采用节点增设独立梁单元的方法，研究了鸭嘴半刚性连接和上弦节点域大小对穹顶成形过程的影响；提出了统一连续的分析方法，很好的解决了成形初应力向穹顶承载力有限元分析模型中的施加问题。

For each element in orig, we push a copy of value in that element onto this Queue and advance pt to point to the next element in orig.

对于 orig 中的每个元素，将该元素值的副本 push 到这个 Queue，并推进 pt 以指向 orig 中的下一元素。

In third part, I discussed R0 algebra in two different aspect:(1) Defined Boole element in R0 algebra. Gave the properties of Boole element and distributive rules of Boole element about finite R0 algebra. Study the filter and the stone filter of L are filters of M.

元的分布规律：研究了民代数M的滤子和民代数M作为有界分配格（记这个有界分配格为L（MO 的滤子之间的关系，得出结论：L的极小素滤子以及 L的 Stone滤子都是 M的滤子，但 L的滤子一般不必是M的滤子。

It is widely attached importance to using it to solidify actinides which are separated form high level radioactive waste.

钙钛锆石是主要的人造岩石固化基材之一，在固化处理从高放废物中分离得到的锕系元素方面受到广泛重视。

A series from actinium to lawrencium of 15 radioactive ''.

15个从锕到铹的原子量递增的放射性元素。

A series of 15 radioactive elements with increasing atomic numbers from actinium to lawrencium.

15个从锕到铹的原子量递增的放射性元素。

Other radioactive elements have been discovered since: actinium, radiothorium and mesothorium, ionium , etc.

自那以后发现的其他放射性元素有：锄、放射性钍和新针、镍，等等。

All are radioactive heavy metals; and only the first four (actinium, thorium, protactinium, and uranium) occur in nature in appreciable quantities. The other 11 are unstable and are produced only artificially.

这些元素都是具有放射性的重金属；仅前四个元素是在自然界中存在的，其余十一个都不稳定且均为人造的。

When I started coding, I had problems with the ASF file writer.

当我开始编码，我曾与ASF文件作家的问题。

I know that in one of the schools the boys have risen up in the classroom and enlisted in a mass.

如果你们也和他们一样，是集体自愿的话，你们的老师将是多么地光荣啊。