It could not pass through material impervious to water such as mica . 它不能通过云母这样的不透水的物质。
2.
Pitchblende and chalcolite are much more radioactive than uranium itself . 沥清铀矿和铜铀云母比纯铀的放射性强得多。
3.
To this class of substance belong mica , porcelain , quartz , glass , wood , etc . 属于这类物质的有云母、瓷器、石英、玻璃、木材等等。
4.
The mica test pieces were prepared by cleavage so as to be atomically smooth . 云母试样是用劈裂的方法制备的，因此可以达到原子级的平滑程度。
5.
The surface energy of mica cleaved in vacuum is about ten times that of mica cleaved in air . 在真空中剖开的云母的表面能比在空气中剖开的云母的表面能大十倍左右。
6.
He looked instead at the brown rocks of the park, speckled with mica, and at the optimistic, leaping green of june . 他没有看到公园里那些嵌有云母片的褐色石块，而是看到了一片欢天喜地、欣欣向荣的六月新绿。
7.
The banded gneisses underlying the mine field are, as a rule, micaceous, the amount of biotite determining mainly the shades of the bands . 本矿区的带状片麻岩照例富含云母，黑云母的多少决定片麻岩条带的色调。
8.
Advances in the research of mica pearlescent pigment 国内外云母珠光颜料研究进展
9.
Specification for glass mica boards for electrical purposes 电工用玻璃云母板规范
10.
Fixed mica capacitors for use in electronic equipment 电子设备用固定云母电容器
