双语例句
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The invention relates to a meteorological balloon sulfating method and a device thereof.
本发明涉及一种气象气球的硫化方法及装置。
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The carrier is calcined after loading the sulfating agent and the chromium on the carrier.
在将硫酸化剂和铬装载在载体之后煅烧载体。
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The effect of sulfating agents and preparation methods on the structure and properties of zirconium-based solid acid catalysts;
指出了采用固体酸催化剂一步法合成乙酸松油酯应是今后研究工作的重点。
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