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- carbonate barium 碳酸钡
- I make a carbon copy of my documents. 我用复写纸复写文件。
- Soft drinks contain carbon dioxide. 软饮料中含有二氧化碳。
- I have some carbon paper somewhere or other. 我记得我在什么地方放有复写纸。
- She's a carbon copy of her sister. 她跟她姐姐一模一样。
- The crude sodium carbonate ash obtained from these plants. 苏打灰从这些植物中获得的粗碳酸钠灰
- A copy made by using carbon paper. 复写本，副本用复写纸复印的一份
- Plants can absorb carbon dioxide and release oxygen. 植物可以吸收二氧化碳释放氧气。
- The structural features and crystalform of the barium carbonate crystal were characterized by SEM and XRD. 用sem和XRD其形貌和晶型进行了表征,结果表明:体系中的丙二酸控制了碳酸钡晶体的生长方向,在纤维状碳酸钡晶体形成过程中起着软模板的作用。
- Limestone is rock composed of calcium carbonate. 石灰石是由碳酸钙所构成的岩石。
- You receive the top copy of the receipt, and we keep the carbon. 你把这收据上面的原件收下，我们保留下面的复写件。
- The stick of carbon is often used in an electric arc lamp. 碳精棒常用于电弧灯。
- Having a ring composed exclusively of carbon atoms, as benzene. 碳环的有一个仅由碳原子组成的环的，如苯
- A radioactive isotope of carbon, especially carbon 14. 放射性碳碳的一种放射性同位素，尤指碳14。
- The process quality and using result of high purity barium carbonate prepared with barium hydroxide have been introduced. 介绍八水氢氧化钡制取高纯碳酸钡的工艺、产品质量及用户使用结果。
- Corundum grinding media was successfully synthesized with waste aluminum slag, small amount of clay, talc and barium carbonate in this paper. 采用铝型材厂废渣为主要原料,通过添加少量粘土,滑石及碳酸钡复合助烧剂研制刚玉耐磨瓷。
- Using barium hydroxide octahydrate and urea as raw material,barium carbonate is prepared by homogeneous precipitation method. 以八水氢氧化钡和尿素为原料,采用均相沉淀法制备了碳酸钡粉体。
- The acidproof bricks with high performances were produced by using kaolin,quartz sand,refractory waste,K-feldspar and barium carbonate. 本文利用高岭土、石英砂、耐火材料废料、钾长石和碳酸钡为原料制备出了一种性能良好的耐酸砖。
- The results showed that adding barium carbonate to the raw materials could enhance the acid resistance of the acidproof bricks effectively. 通过试验证明,碳酸钡的加入可以有效地提高耐酸砖的耐酸性能。
- Packing of sodium carbonate for industrial use II. 工业用碳酸钠包装2。
