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- Undissolved in water or ethanol,easily dissolves in inorganic acid(nitric acid,hydrochloric acid),acetic acid and ammonium chloride solution,slightly dissolves in alkali metal carbonate solution. 不溶于水、乙醇,易溶于无机酸(硝酸、盐酸)和浓醋酸。也溶于氯化铵溶液中,微溶于碱金属碳酸盐溶液。
- To sum up, the material of pantograph slide mainly experienced the process of metal carbon powder metallurgy metal-dipped composite.Now , the material of the wire are Copper or cupreous alloy. 从其发展历史来看,在受电弓滑板的研究和应用方面,其材料主要经历了金属滑板、纯碳滑板、粉末冶金滑板、浸金属碳滑板、复合材料滑板的发展过程。
- React with metal oxides, metal hydroxides, and metal carbonates to make salts;when this happens the acid is neutralized. 跟金属氧化物反应,碱和金属碳酸盐反应生成盐,反应时酸变成中性。
- Considering the geometrical figure of tube and tip,we calculated the surface charge density relative distribution curve of metallic carbon nanotube. 考虑碳纳米管尺寸及端帽形状,计算得到了比较精确的金属型纳米管表面电荷密度相对分布曲线。
- During soldering, the flux removes metal oxides as well as other surface tarnishes such as grease or metal carbonates, allowing the coalescence of solder powder and parts wetting by the molten solder. 焊接过程中,焊剂有助于去除金属氧化物以及油脂、金属碳化物等表面锈蚀,从而便于焊料粉末和其他成分被熔化的焊膏所润湿。
- 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?
- 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。
- 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。
- 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。
- One of several metal strips forming a leaf spring. 簧片构成片簧的几个金属片中的一个
- Conductance Property of Undoping Metallic Carbon Nanotubes 非掺杂金属型碳纳米管的电导特性