Compared with the existing production process, amine extraction process has the advantage of higher use ratio of potassium, simpler process flow, less energy need, and lower cost.
与现有生产工艺相比，具有钾利用率高、工艺流程简单、能耗少及成本低等优点。
The technology and test results for the preparation of non-iron aluminium sulfate by primary amine extraction method are introduced. The technical and economical status of the process are also stated.
介绍了用伯胺直接从铝土矿的硫酸浸取液中萃取分离铁生产无铁硫酸铝的工艺研究内容和结果，并介绍了工艺技术经济状况。
The investigation and industrial application on direct extraction of uranium from coal ash by trinity amine are introduce.
介绍了用三脂肪胺从煤灰酸浸矿浆中直接萃取铀的试验与工厂应用结果。
The lipstick sample was coated on glass slide, then the glass was put in the extraction vessel and aromatic amine compounds in the sample were extracted by microwave radiation.
先将口红涂于玻璃片上，然后用微波萃取和高效液相色谱法测定萃取液中的芳香胺类化合物。
The extraction properties and mechanism of niobium thiocyanate complex with secondary amine 7203 are studied.
研究了仲胺7203(简写为7203)萃取铌硫氰酸盐络合物的性能及其机理。
From equilibria of HC1 extraction with several solvents, an amine mixture has been considered very effective and selected for detailed study by using feeds with and without L-cystine in solution.
从几种有效溶剂对盐酸的萃取平衡关系，选择叔胺进行详细试验研究，取得有关的萃取数据。
The number of active hydrogen atoms attached to nitrogen atom of different classes of amine determine their effectiveness in extraction of metals by solvation.
根据与氮相连结的活性氢原子的多寡与有无，讨论了伯、仲、叔胺类溶剂化能力的强弱。
Recent progress of primary amine N1923 research is summarized . Extraction mechanism is analyzed and influence on primary amine N 1923 extraction are discussed from various aspects.
本文总结了近年来伯胺N1923的研究进展，分析了萃取机理，从不同角度讨论了影响伯胺N1923萃取因素。
The research work has investigated the orderly aggregation phenomena of amine extractant molecules as well as their forming conditions in extraction system.
本课题研究了胺类萃取体系中的分子有序现象及各因素的影响。
Using paraffin amine as dissolvent and kerosene as diluent for the purification and defluorination of wet process phosphoric acid by solvent extraction was studied.
为对湿法磷酸进行净化脱氟 ，用胺类溶剂作萃取剂 ，煤油作稀释剂 ，对湿法磷酸进行了溶剂萃取脱氟的工艺研究。
Using paraffin amine as dissolvent and kerosene as diluent for the purification and defluorination of wet process phosphoric acid by solvent extraction was studied.
为对湿法磷酸进行净化脱氟 ，用胺类溶剂作萃取剂 ，煤油作稀释剂 ，对湿法磷酸进行了溶剂萃取脱氟的工艺研究。
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