十字石晶体

This variety is called "Chiastolite"(named after the Greek word for cross) and sometimes referred to in ancient texts as "Lapis Crucifer", meaning "Cross Stone" or "Macle".

这类晶体被称之为"空晶石"，在古籍中也称之为"十字石"，意为有十字图案的石头或有斑点的石头。

The experimental results show that the unit-cell parameter β is continuously increasing with increasing pressure, suggesting the decrease of structural symmetry of staurolite. An unknown phase transition in staurolite structure was also observed in the pressure range of 1.5~2.7 GPa.

实验表明，在实验压力范围内，随着压力的增加晶胞参数β值逐渐增大，表明了十字石的结构对称性随压力增加而有所降低；同时，在1.5~2.7GPa压力范围内，十字石的晶体结构也发生了改变。

The in-situ high-pressure structure of natural staurolite collected from the progressive metamorphic belt in Chonghuer of Altay area in Xinjiang was studied at room temperature using synchrotron radiation energy dispersive X-ray diffraction and diamond anvil cell under the pressure up to 3.9 GPa.

利用原位高压同步辐射能量色散X射线衍射技术，在室温下对采自新疆阿尔泰地区冲乎尔递增变质带的天然十字石进行高压晶体结构测定，测量的压力范围为0.0001~3.9GPa，共11组有效数据。

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。