不稳定带

介绍了δScuti型变星脉动不稳定带的蓝端最重要的激发机制，氢和氦的电离效应所导致的κ机制。

It is introduced about mechanism caused by ionization of H and He which is dominant excitation mechanism near blue edge of instability strip .

在本文中我们对两种不同的βCephei变星的理论脉动不稳定带作了比较。

A comparison between two different theoretical approaches to the β Cephei instability strip is given in this paper .

不同层序岩相中的不稳定带和岩石的特征变化

The instable zones in different lithofacies of sequence and property changes of the rocks

在色星等图上，处于造父不稳定带的左外侧而温度较高，故简称热造父变星。

On the colour-magnitude diagram they are situated near and more left than the hotter edge of the Cepheid instability stripe , so their temperature is higher than other types of pulsating variables .

分裂的流体可以形成液滴，或者形成不稳定的液带，随后破裂成液滴。

The severed fluid may form a drop or may form an unstable ligament which will later break up into drops .

清以前，少数民族语名称的汉语音译多有不准确、不稳定、带附会歧视色彩等缺失。

Before the Qing dynasty , there was so much disadvantages as inaccurate , instable and discrimination in the transliterated course of names from minorities'language .

分析发现，铸嘴尺寸和结构不合理，前箱液面高度不稳定，带坯上下板面凝固结晶差异等是形成带坯上表面夹渣的主要原因。

The main factors of slag is related to size and irrational structure of nozzle , unstable liquid height of tundish and crystalline differences between surfaces of cast-rolling strip .