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- The preparation of nanometer active zinc oxide from crude zinc oxide by ammonium bicarbonate method was introduced. 采用碳酸氢铵法由粗氧化锌制备纳米活性氧化锌。
- A process on preparation of active zinc oxide from lixiviating the crude zinc oxide powder by sulfuric acid was studied in this paper. 研究了硫酸浸出初级氧化锌粉末制备活性氧化锌的工艺,讨论了浸出过程中液固质量比、硫酸质量分数对浸出率的影响。
- The technological process for the preparation of active zinc oxide from zinc oxide fume dusts or crude zinc oxide by ammonia complicating and oxidizing method was studied. 本研究以氧化锌烟灰或粗氧化锌为原料,用氨水-碳酸氢铵-双氧水作浸取液,将氧化锌烟灰或粗氧化锌浸取、除杂净化、蒸氨沉锌、洗涤干燥、煅烧即可制得高品位的活性氧化锌。
- Preparation of activated zinc oxide from arsenic-containing crude zinc oxide 利用含砷氧化锌尘制备活性氧化锌
- The plant converts crude oil into gasoline. 这家工厂将原油加工成汽油。
- China is a country rich in crude oil. 中国是一个原油丰富的国家。
- It was crude of him to say that. 他那样说太粗鲁了。
- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
- Brass is formed by the fusion of copper and zinc. 黄铜是由铜和锌熔合制成的。
- Determination of Pb, Zn, Fe and Cd in the Crude Zinc Produced from the Imperial Smelting Furnace by XRF XRF法在密闭鼓风炉粗锌分析中的应用
- The tanker took on 200,000 barrels of crude oil. 油轮装载了二十万桶原油。
- The country exports lots of crude oil. 这个国家出口大量原油。
- An alloy composed of lead, tin, and zinc. 铅锡锌化合物由铅、锡和锌组成的一种合金
- A crude or makeshift dwelling or shelter; a shack. 简陋小屋,茅屋粗糙的临时住房或隐蔽处; 棚屋
- Not refined; indelicate and crude. 粗俗的不优雅的; 无教养的和粗鲁的
- You should first put a small piece of zinc plate into the cup. 首先,要向杯子里放一小片锌板。
- Crude and simple, this place had to serve as the meeting hall. 这地方虽然简陋,却是我们的会议厅。
- The fusion of copper and zinc makes the metal brass. 铜和锌的熔化制成黄铜。
- A crude figure or dummy representing a hated person or group. 雕像代表可憎的人或一群人的粗糙的图象或木偶
- 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