Productivity, production technique and purification methods of nitrogen trifluoride are introduced at home and abroad, while the domestic and foreign market of it is analyzed and forecasted.
介绍了国内外三氟化氮的产能、制备技术及纯化方法，同时对国内外三氟化氮市场进行了分析和预测。
The fourth best use of refinery gas is purification and sale as natural gas, if the market value of the gas (on an energy basis) is near that of low sulfur fuel oil.
炼厂气的第四种最好应用是，如果天然气市场价格(从能源角度计算)接近低硫燃料油的价格，可将炼厂气通过净化作为天然气销售。
R & D team developed a series of water purification products for China to introduce the Chinese market, and strive for China's high-end consumer groups to bring the highest quality of pure water life.
研发队伍所开发的一系列适合中国水质的净水产品引入中国市场，力求为中国的高端消费群体带来最高品质的纯净净水生活。
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