Such superheavy elements are usually very radioactive and decay away almost instantly.

这种超重元素通常是具有非常强的放射性，并且几乎立即会发生衰变。

Theory predicts, however, that superheavy isotopes with lifetimes of minutes can be made.

然而，理论预测生命周期仅有几分钟的超重同位素可以制造出来。

The safety the pole setting entirety is stabilized to superheavy form board of project plays arrive at decisive role.

竿的安全设置全部是稳定超重形式发挥董事会的项目达成决定性的作用。

In this paper, the possibility of producing superheavy fragments through composite system breaking up in massive nuclear reactions is investigated.

讨论了通过重核碰撞形成的复合体系破裂产生超重核的问题。

But many researchers think it is possible that even heavier elements may occupy an “island of stability” in which superheavy atoms stick around for a while.

但是，许多研究人员认为甚至更重的元素也可能占据一个可以让超重原子坚持了一段时间“稳定岛”。

Some aspects of quantum chaos in a finite system had been studied based on the analysis of statistical behaviors of quantum spectra in heavy and superheavy nuclei.

通过观察和分析重核和超重核中量子谱的统计性质，研究有限物理体系中量子混沌的一些问题。

The present invention is distilling and layered fractioning technology to obtain no-deuterium water with high energy, high purity, no heavy water and no superheavy water.

本发明是由蒸馏和分层分馏技术获得高能量、高纯度、不含重水和超重水的无氘水。

The theoretical models for investigating the fusion mechanism of heavy nucleus collisions and calculating the formation cross sections of superheavy nuclei have been introduced.

介绍并讨论了研究超重核合成的主要理论模型以及近年来在研究重核熔合机制和超重核合成理论模型方面的进展。

The four new elements, all of which are synthetic, were discovered by slamming lighter -nuclei into each other and tracking the following decay of the radioactive superheavy elements.

这四种新元素都是人造的，是由火花与原子核相互撞击并且循着放射性超重元素衰变的轨迹而发现的。

What's more, they would confirm the existence of the fabled "island of stability", an as-yet-hypothetical region of the periodic table where there should be stable superheavy elements.

此外，他们可以确定传说中的稳定岛—一个在周期表中目前为止假设的区域存在，那个区域应该是稳定的超重元素。

A high efficient complex viscosity reduction system XGD was developed for the crude oil in superheavy oil reservoir with high resin and asphaltene content and complicated layer structure.

针对特超稠油油藏原油胶质、沥青质含量高，层状结构复杂的特点，研制了高效复合降粘体系XGD并对其性能进行了评价。