您要查找的是不是:
- "Copper compounds, especially copper sulfate mixed with lime and water ( Bordeaux mixture), and sulfur have long been used for this purpose, but now synthetic organic compounds are commonly used. 铜化合物和硫可分别地使用在植物上,或者合在一起用。合成有机化合物现在应用更加普遍,因为它们能保护并控制多类真菌,并且特异性较高。许多抗真菌物质天然地存在于植物组织中。
- 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。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- 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。
- Air is a mixture, not a compound of gases. 空气是气体的混合物,不是化合物。
- This mountain road leads to the copper mine. 这条山路通向那个铜矿。
- Rose is a plant with compound leaves. 玫瑰是复叶植物。
- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
- "Broad-shouldered" is a compound word. "Broad-shouldered"是个复合字。
- We fuse copper and tin to make bronze. 我们把铜和锡熔制成青铜。
- Common salt is a compound of sodium and chlorine. 食盐是钠和氯的化合物。
- 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。
- My friend's family lives in the compound. 我朋友的家住在那个大院里。
- Copper conducts electricity better than iron does. 铜的导电性比铁强。