象丰田普锐斯和福特翼虎这样的混合动力车使用的镍金属氢化物电池比锂离子电池系统要大，后者能把更多的电能封存在一个更小的空间内。
Hybrids such as the Toyota Prius and Ford Escape use nickel-metal hydride batteries that are larger than lithium ion systems, the latter of which can pack more electric power into a smaller space.
用甲醇作为洗脱剂， 洗脱效果较好；研究了食品中6种常见的共存物、4种金属离子、 氧化剂、 温度及光等对爬山虎红色素稳定性的影响。
The effects of six common substances from food, 4 metal ions, oxidants, temperature, and light on the stability of the pigment in foods were studied.
[32]刘祥虎。金属离子与染料分子相互作用对染料分子催化降解的影响[d]。上海：同济大学，2008。
LIU Xiang-hu. Metal ions interact with dye molecules and its effect on the catalytic degradation of dye molecules [d]. Shanghai: Tongji University, 2008.
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