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14:02
MSN
Factory Wonders
MSN
Have you ever wondered why magnets become magnetic? In this video, we dive into the fascinating physics of magnetization—the process that gives magnets their magnetic power. At the heart of magnetism are tiny particles called electrons, whose spins create tiny magnetic fields. In magnetic materials like iron, cobalt, and nickel, these ...
7 months ago
磁化强度的定义
磁铁密度是多少?根据磁铁成型方式不同,磁铁分很多种类,其密度差别也很大,现在比较常见的几种磁性材料的密度分别是:1、烧结钕铁硼磁铁密度约7.5克/立方厘米;2、粘结钕铁硼磁铁密度约6克/立方厘米;3、烧结铁氧体磁铁密度约4.9克/立方厘米;4、注塑铁氧体磁铁密度约3.8克/立方厘米。#磁铁 #磁铁密度 #磁铁密度是多少 #烧结钕铁硼磁铁 #粘结钕铁硼磁铁 #烧结铁氧体磁铁 #注塑铁氧体
douyin.com
钕铁硼磁铁
Jan 15, 2023
av732284903
bilibili
Nov 30, 2023
磁感应强度
YOUKU
Aug 20, 2024
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