1) bar magnet
磁棒
1.
A compositive experiment is introduced which can make multianalysis to the same physical phe- nomenon by a simple device which is equipped with a digital oscilloscope,it can validate the law of Faraday elec- tromagnetic induction,measure the acceleration of gravity with the application of electromagnetic induction and analyze the distribution of magnetic density for a bar magnet qualitatively.
用数字示波器与一个简单的装置配套,通过对同一个物理现象的多角度分析,实现了对法拉第电磁感应定律的验证;应用电磁感应测定了重力加速度;同时对磁棒的磁感应强度分布做出了定性描述。
2.
This system adopts 16 bits MCU as the core control device to achieve a bar magnet exactitude measure of small range displacement.
系统采用十六位单片机作为核心控制器件,实现磁棒小范围位移的精确测量。
2) magnetic bar printing
磁棒刮印
3) welded bar magnet
焊接磁棒
1.
he principle of high frequency welding is briefly described and the technology devel-oped for a welded bar magnet is presented.
简述了高频焊接原理,并且详细地介绍了新焊接磁棒的研制技术。
4) magnet regula
磁棒调节
5) alnico-stick
磁钢棒
6) magnetic rod
永磁铁棒
补充资料:"修武库印"铜印
Image:11718062484648414.jpg
"修武库印"铜印
年代:秦朝
"修武库印"铜印,印面1.7×2.2cm,通高0.9cm。 印铜铸,长方形,鼻纽。印面有阳线十字界格及边栏。印文为秦篆字体,白文,右上起交叉读"修武库印"四字。 库为掌管武器及车的机构,其主管官吏称库啬夫。《秦律杂抄》即载" 卒兵,不完善(缮),丞、库啬夫、......"。此为秦王朝库啬夫所用之官印。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。