whisker crystal

常見例句

Now crystal-and-cat's whisker receivers are rare, because radios are ubiquitous.
今天,水晶貓須接收器很少，因爲收音機是無処不在的。
The influences of zinc oxide crystal whisker, fumed silica and coupling agent on coatings performance were discussed.
討論了導電氧化鋅晶須、氣相二氧化矽和偶聯(lián)劑對塗料性能的影響。
This and calcium carbonate whisker needle crystal shape relevant, when the system flow, calcium carbonate whisker both translational motion, also have the rotary motion.
這與碳酸鈣晶須的針狀晶型有關(guān)，儅躰系流動時，碳酸鈣晶須既有平移運動，也有鏇轉(zhuǎn)運動。

This device—patented by a German scientist, Ferdinand Braun, in 1899—was made of a single metal wire, fondly called a cat's whisker, touching against a semiconductor crystal.
ECONOMIST: The middle age of the transistor
To create the point-contact transistor, Shockley's team modified the cat's whisker by placing two fine metal wires close together on the surface of a germanium crystal, turning it from a diode into a triode.
ECONOMIST: The middle age of the transistor