During the installation of ribbon heater, when one end of cable was connected to power, another end of bus bar should be sealed with matching head so that two bus bars will not have a short circuit. 电热带安装时,当电缆一端接入电源前应将母线另一端用配套的封头套封好,两条母线不得短路。
On the basis of successfully forming a chemically stable interface with the h'quid to be sealed, the life of sealing liquid is considerable extended by properly arranging the magnetic field and circuit of the sealing facility. 在成功合成与被密封液体不相溶的磁流体的基础上,通过合理布置密封装置的磁场和磁路,可以大大延长磁流体用于旋转轴液体密封的寿命。
In mass production of sealed lead acid battery, partial products fail because of serious open circuit voltage ( OCV) loss during storage. 在某型号密封铅酸蓄电池的批量生产中,出现贮存期间部分电池因开路电压显著下降而失效的现象。
The single cell sealed with the above sealing materials could keep good open circuit voltage of 1.0-1.2 V when operating in 600-1000 ℃ for 8 cycles. 当用于单电池密封时,在600-1000℃工作温度下,经8次循环工作,开路电压稳定在1.0-1.2V。
We choose xenon flash lamp as the illuminant, miniature fiber spectrometer served as the detector of transmission spectrum for water sample. Then, we design the measuring optical system, waterproof and sealed mechanical structure and measurement control circuit. 选用闪烁氙灯作为测量光源、微型光纤光谱仪作为水样透射光谱的探测器件,在此基础上进行了光学系统光机结构、防水密封机械结构和测量控制电路的设计。