石英的

Agate is the banded form of Chalcedony (also spelt Calcedony, it is the catch all term for cryptocrystalline Quartz) and its name was derived from the site of its discovery, the river Achates in southwest Sicily.

玛瑙是一种纤维状玉髓晶体（英语也拼写为 Calcedony ，为隐晶石英的统称）。英文名源于发现地-西西里西南部埃格特兹河。

Example, granite has a low fire resistance because of the high coefficient of expansion of its

理。例如，花岗岩由于其石英的高膨胀系数使其耐

The whiteness of cristobalite is up to above 95%, when using in coating and paint, a part of titanium dioxide can be substituted to lower the production cost.

方石英的白度达95%以上，在涂料、油漆中使用，可取代部分钛白粉，降低配方成本。

So the formation of the coesite needn't the plate of the earth subduction.

柯石英的形成并不一定要在地球板块俯冲后才能形成。

The paper studies the chemical and mineralogical compositions, the technological and physical properties of tripoli by means of chemical analysis.

借助于化学分析、X射线衍射分析、工艺性能试验等方法，对粉石英的化学成分、矿物成分、工艺物理性质进行了研究。

Powered by digital quartz, the Pathfinder is also water resistant to 330 feet.

通过数字石英的驱动下，探路者也是防水330英尺。

Results showed that SiW(11) heteropolyanion had some suppressive effect on the silicotie toxicity of quartz.

结果表明：SiW（11）杂多阴离子对石英的致硅肺作用有一定抑制效果。

The host rocks mainly are meta andesitic dacitic volcanic rocks.

谱线特征为马鞍型，其底坪年龄为石英的结晶年龄。

Case-study from Silurian sandstones in the Central Tarim show that quartz has kept overgrowing secondarily when oil saturation was decreased by meteoric water flushing subsequently to hydrocarbon emplacement.

塔中地区志留系实例研究显示：烃类侵位后，因淡水影响可降低含油饱和度，这使得石英的次生加大可持续发生，而未能阻滞。

Based on these location structures,and infrared spectroscopic parameters of quartz in quartz vein,the prospective ...

以定位构造和石英的红外光谱参数为主要依据提出了预测靶区。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。