1)  switching field distribution
开关场分布
2)  SFD
开关场分布
3)  on-off
“开-关”
4)  switch
开关
1.
Role of metal ionic compounds in fluorescent molecule switches;
金属离子络合物在荧光分子开关中的作用
2.
Research on driven system of switch magnetic resistance motor in mine electric locomotive;
矿用电机车开关磁阻电动机驱动系统的研究
3.
Research of model KZS-115 hydraulic reciprocating controlling switch;
KZS-115型液压往复式控制开关的研制
5)  switches
开关
1.
General-utility testing path model of switches for ATE and application;
通用ATE开关资源测试路径模型及应用
2.
The working principle and the functions of the monostability multivibrator composed of 555 timer are introduced in the paper,and the time switches are designed.
介绍了用555定时器构成的单稳态触发器的工作原理,对其功能作了进一步探讨,在此基础上设计了一种具有实用价值的定时-非定时两用开关。
3.
Three dimensional visualization is applied to low voltage switches that involve pre processing, calculation and analysis, and post processing.
从前处理、计算分析和后处理３个方面，介绍了低压开关操作机构三维可视化仿真技术。
6)  circuit breaker
开关
1.
5033 circuit breaker acting abnormally in the annual overhaul of Doushuang power line in Douli substation.
针对斗笠变电站500kV斗双线年检中5033开关动作异常情况进行了分析,找到了5033开关动作异常并导致开关保护屏中操作箱手合插件烧毁的原因,提出了应对措施。
2.
Several 500 kV circuit breaker failures and abnormal conditions since 500 kV Wanquan Substation was put into operation are listed and analyzed in this paper,and some measures to ensure safe and healthy operation of equipment is also proposed in view of equipment selection,installation& commissioning,acceptance,operation and maintenance.
列举了5 0 0 k V万全变电站自投运以来所发生的几起5 0 0 k V开关事故及异常,对事故及异常发生的原因进行了分析,并从设备的选型、安装调试、验收、运行、检修等方面提出了确保设备安全健康运行的措施。
3.
In this paper,the authors analyzes the main reason of the insulated pin fault,propose some suggestions and the key overhaul item about type LW6-220 circuit breakers.
通过对一起绝缘拉杆脱落故障的主要原因分析,提出了针对LW6型开关的重点检修改造项目,对防止高压开关发生非全相故障,保证电网的安全稳定运行具有积极的意义。
参考词条
补充资料：开关场分布
分子式：
CAS号：

性质：在饱和磁滞回线的微分曲线上，峰值一半处两点之间的宽度称半峰宽ΔH(见图)，半峰宽与内禀矫顽力之比称为开关场分布，其表达式为SFD=ΔH/MHc。该值描述磁滞回线在矫顽力附近的陡峭程度。对磁记录材料而言，其值越小，磁滞回线在Hc附近越陡峭，录放信号的灵敏度越高。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。