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1·There are four major steps in ammonia synthesis.

氨的合成主要经过四道工序。

2·There are four major steps in ammonia synthesis .

氨的合成主要经过四道工序。

3·He invented ammonia synthesis with catalysis by iron.

它发现了铁催化合成氨的催化反应。

4·Horizontal converter is a new type of ammonia synthesis converter.

卧式塔是一种新型氨合成塔。

5·Modification of ammonia synthesis section in the company is introduced.

介绍该公司氨合成工序的改造情况。

6·Various types of ammonia synthesis reactors were evaluated by means of the proposed model.

本文还运用所提出的方法，评价了不同类型的氨合成反应器。

7·A new method for manufacture of spherical ammonia synthesis catalyst was described in this paper.

作者发明了一种高效制造球形氨合成催化剂的新方法。

8·Carbon dioxide removal system of ammonia synthesis process is a high energy consumption unit operation.

合成氨过程的脱碳系统一个高能耗的化工单元操作。

9·The installation, reduction and commercial operation of A201 type ammonia synthesis catalyst are reported.

本文介绍了A201型氨合成催化剂的装填、还原以及使用情况。

10·In revamping of the Ammonia Synthesis Section, newly developed 1000 tube-baffle internal component was applied.

该厂在小合成氨合成工段的技改中，采用1000单管折流式新型内件。