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- In this paper,Raney copper catalysts were prepared from Cu-Al alloy precursors by sodium hydroxide leaching at 363K. 采用急冷技术制备铜-铝合金,然后用氢氧化钠溶液将合金展开制得骨架铜催化剂。
- Synthesis of Glycine by Catalytic Dehydrogenation of Monoethanolamine with Modified Raney Copper 催化一乙醇胺脱氢合成甘氨酸
- Keywords H_3PMo_(12)O_(40);Raney copper;crotonnaldehyde;selective hydrogenation;crotyl alcohol; 磷钼酸;骨架铜;巴豆醛;选择性加氢;巴豆醇;
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- What color is copper sulphate solution? 硫酸铜溶液是什么颜色?
- Copper and gold are both metals. 铜和金都是金属。
- Copper has less resistance than lead. 铜的电阻比铅的小。
- What color is copper sulfate solution? 硫酸铜溶液是什么颜色?
- A copper coin formerly used in India and Pakistan. 安那旧时在印度和巴基斯坦使用的铜币
- Ornamental copper pans hung on the wall. 墙上挂着装饰性的铜盘。
- This mountain road leads to the copper mine. 这条山路通向那个铜矿。
- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
- We fuse copper and tin to make bronze. 我们把铜和锡熔制成青铜。
- They will mine copper there in the valley. 他们将在那边的山谷开采铜矿。
- Brass is formed by the fusion of copper and zinc. 黄铜是由铜和锌熔合制成的。
- Copper conducts electricity better than iron does. 铜的导电性比铁强。
- Raney copper 骨架铜
- A large cooking pot made of copper or often of iron. 金属锅用铜或铁铸成的大煮锅。
- Raney-type alloy for the preparation of Raney Nickel catalyst. 要求是雷尼镍催化剂的前躯体,也就是雷尼镍的半成品。
- The fusion of copper and zinc makes the metal brass. 铜和锌的熔化制成黄铜。