N an instrument for detecting and measuring the intensity of high-energy radiation, in which particles collide with a crystal and momentarily increase its conductivity 晶体探测器
The utility model relates to a multifunctional ring, comprising a ring with an internal step counter whose liquid crystal screen is provided at the upper surface of the ring.
本实用新型涉及一种多功能戒指，包括指环，在指环的内部设有计步器，且计步器的液晶显示屏位于指环的上表面。
The frequency counter has ben applied successfully to a piezoelectric crystal chemical sensor for determining SO_2 and organic vapours.
该仪器性能稳定、操作简便、价格低廉，已成功地用于二氧化硫和有机物蒸汽测定的压电石英晶体传感器的研制。
Slow light can be generated by counter-directional coupling between a silica wire and a two-dimensional (2D) silicon photonic crystal slab waveguide.
在二氧化硅线和二维硅光子晶体条形波导间的反向耦合可产生慢光。
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