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- Keywords Spherical nickel hydroxide;Soft-embedded powder electrode;Ni-MH battery;Tetravalent nickel species;Yttrium hydroxide; 球形氢氧化镍;软嵌式粉末电极;金属氢化物镍电池;四价镍;氢氧化钇;
- Tetravalent nickel species 四价镍
- Results showed that modification with MgO and CeO_2 was favor to disperse nickel species and suppress coke deposition. 结果表明;MgO、CeO2修饰SiO2后有助于镍的分散;载体表面的酸性降低有助于减少积炭.
- The presence of rare earth oxides could promote reduction of nickel species in nickel-magnesia solid solution, especially CeO2. Therefore, NLM and NCM both showed higher activity and selectivity than the Ni/MgO catalyst NM. 所得催化剂NLM、NCM具有较大比表面和较小镍晶粒度，以NCM中镍物种的还原性能改善尤为明显。
- Rick found a sure-enough nickel. 里克发现一个纯正的镍币。
- Eddy try to nickel and dime his way through life. 埃迪想脚踏实地慢慢地取得成功。
- No man will squabble over a nickel. 没有人会为了五分钱而吵架。
- Do wolves belong to the canine species? 狼是犬科动物吗？
- We should do our best to save endangered species. 我们应该竭尽全力挽救濒于灭绝的生物。
- This rare bird has become an endangered species. 这种珍禽已成为濒临灭绝的物种。
- He was wearing a strange species of hat. 他戴着一种奇怪的帽子。
- There are many species of chrysanthemum. 菊花品种很多。
- Having a valence of four;tetravalent. 四价的；四个原子价的
- Today the survival of our species is threatened. 今天人类的生存受到了威胁。
- Having a valence of four; tetravalent. 四价的；四个原子价的
- The giant panda has become an endangered species. 大熊猫已成了一种濒临灭绝的动物。
- Unlike most other bats, this species is diurnal. 这种蝙蝠与大多数蝙蝠不同，是在日间活动的。
- America's best buy for a nickel is a telephone call to the right man. 在美国以一枚镍币可购得的最划算的东西，是打电话找到要找的人。
- This species of flower flourishes in a warm climate. 这种花在温暖的气候中长得茂盛。
- An endangered species; an endangered culture. 濒临绝种的生物种类; 濒临绝传的文化
