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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
A method of preparing sodium nitrate crystals suitable for profile angle measurement is described and the values of those angles was determined as 102° 38' for the obtuse angle of the rhomb and 77° 36' for the acute angle of this parallelogram.
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| | This essay introduces a way of preparing sodium nitrate from brine by ion ex-change technology. It makes up for the insufficiency that sodinm nitrate is prepared by nitrateend gas, and also develops a new product for the comprehensive utilization of salt field brine. | | 本文介绍了用离子交换从卤水中制取硝酸钠的方法。它弥补了硝酸尾气吸收法制取硝酸钠的不足,又为盐场卤水的综合利用开发了一种新产品。 | | 文摘来源 | | The method of preparing sodium nitrate from sodium sulfate (anhydrous or hydrous), ammonium nitrate and guick lime is presented, and the optimum reaction conditions, technological parameters and starting materials ratio are given by the authors in this paper. purity of sodium nitrate produced by the method is more 99.0%,utilization factor of starting materials is not lower 90.0%. | | 本文介绍了以芒硝、硝酸铵、生石灰为原料制备硝酸钠的方法,给出了最佳反应条件以及原料配比。由此所得硝酸钠纯度高,原料利用率在90%以上。 | | 文摘来源 | |   |
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