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- Cryolite is produced from low-concentration fluorosilicic acid and ammonium bicarbonate,aluminum sulphate,sodium sulfate as feedstock,with ammonium sulphate and carbon white as by-products. 介绍了利用中小磷肥厂副产的氟硅酸制冰晶石的新工艺,以低浓度的氟硅酸和碳酸氢铵、硫酸铝、硫酸钠为原料制取冰晶石,并副产硫酸铵和白炭黑。
- Keywords cryolite;carbon white;silicofluoric acid; 冰晶石;白炭黑;氟硅酸;
- Character of Sodium carbonate white powder crystal; When it dissolves in water, the liquid will have alkalinity, and emit heat; Sodium carbonate and acid react to salt. 性状白色粉状结晶;易溶于水,水溶液显碱性,并放出热量,易潮解;与酸发生反应生成盐。
- I heard John was the republican's great white hope. 我听说约翰是共和党人寄予巨大希望的人。
- The land is laid down with red or white clover. 这块土地种上了红花和白花苜蓿。
- This cloth has a pattern of blue and white squares. 这种布有蓝白格子的图案。
- England are playing in the blue and white strip. 英格兰队穿著蓝白色运动衣进行比赛。
- 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。
- Black and white show a striking contrast. 黑和白形成明显的对比。
- White lines divide the playing area into sections. 这些白线把赛区分成各个部分。
- I have some carbon paper somewhere or other. 我记得我在什么地方放有复写纸。
- Do you know the man wearing a white shirt? 你认识那个穿白衬衣的人吗？
- I lost a white handkerchief with a blue border. 我丢了一块带蓝色花边的白手绢。
- Her white face and her dark dress contrast sharply. 她洁白的脸和她黑色的衣服形成强烈的对比。
- She's a carbon copy of her sister. 她跟她姐姐一模一样。
- The country was bled white by her foreign rulers. 这个国家在异族的统治下民穷财尽。
- Poor Mr White dropped dead in the street yesterday. 可怜的怀特先生昨天突然死在大街上。
- Red and white predominate in these flowers. 这些花中大部分是红色和白色的。
- Mrs White always talks a blue streak. 怀特太太总是一开口就滔滔不绝。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
