The coercive force gradually decreased with the MnO2 content increase.
而矫顽力则随掺杂量的增多持续下降。
The technical difficulty of mercury-free for alkaline Zn-MnO2 butt on cells was introduced.
介绍了实施无汞扣式碱性锌锰电池的技术难度；
However, doping in the zirconium couldn't improve MnO2 sample's electrochemistry performance.
但掺杂二氧化锆不能提高二氧化锰样品电化学性能。
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