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- metal macrocycle compound 金属大环化合物
- Electrocatalysts, such as metals, metal alloys, transition metal oxides, transition metal macrocycle etc, for oxygen reduction reaction (ORR) in fuel cells and metal-air batteries were reviewed . 主要综述了近几年燃料电池、金属-空气电池中氧还原反应(ORR)催化剂的发展状况,包括发展成熟的贵金属及合金;过渡金属复合氧化物、简单氧化物;过渡金属大环化合物以及双功能电催化剂研究现状。
- She knows why the metal is the good conductor. 她知道金属为什么是好的导体。
- Can I fasten these metal plates with rivets? 我可以用铆钉把这些金属板固定在一起吗?
- pyridine-containing macrocyclic compound 含吡啶大环化合物
- You need a strong adhesive to bond wood to metal. 需要强力胶才能把木料粘在金属上。
- The car was now just a pile of twisted metal. 那辆汽车已经成了一堆压缩的废铁了。
- The metal basin clattered down the stone stairs. 金属盆子沿着石阶滚了下去,发出咣啷声。
- Aluminum is a kind of light silvery metal. 铝是一种轻薄并呈银色的金属。
- The aeroplane wing showed signs of metal fatigue. 机翼显出有金属疲劳的现象。
- Calixarene is a new class of macrocyclic compounds, having unique structure and the ability to be easily derivatized, thus it has advantages in acting as catalysts. 摘要杯芳烃特殊的结构和易于衍生化的特点使其在用作催化剂方面具有独特的优势。
- The electronic structures of 20 of oxa , aza , thia macrocyclic compounds with side substitute of halogen and trihalomethyl have been calculated by use of AM1. 用AM1方法计算了20个卤素及三卤甲基侧取代氧、氮、硫杂大环化合物的电子结构。
- This paper reviewed the application of the template effect in thesynthesis of macrocyclic compounds and synthetic methods of macrocyclic compounds with different donors. 本文综述了模板反应在大环化合物合成中的应用,及含不同配位原子的大环化合物的合成方法。
- The metal frame tends to twist under pressure. 这种金属框受压後容易变形。
- The ship was broken up for scrap metal. 这艘船拆毁了当废铁用。
- Being heated, the metal is rapidly melting. 由于受热,金属在迅速熔化。
- The metal has corroded (away) because of rust. 该金属已锈蚀。
- A compound metal is more useful. 合金更加有用。
- You need a powerful saw to cut through metal. 切割金属需用强劲的锯。
- The hot metal contracts as it cools (down). 热的金属一冷(下来)就收缩。