The analyses of composition of urinary calculi can provide significant on the clinical diagnosis and treatment reference to the cause of lithiasis and the prevention of recurrence.
对泌尿系结石的组成进行结构分析，为分析结石病的产生原因及预防复发提供参考，在临床诊断和治疗上具有重要意义。
The improvement plan of the sulfur evaporating tube in chemical composition was proposed through the failure cause analysis of the old sulfur evaporating tube, the plan was efficient in practice.
通过对原高温硫磺汽化管失效原因的分析，提出了改进管子化学成分的方案，实践证明这一方案是有效的。
This paper discusses the process of changes in brine composition of Yuncheng Saline Lade and possible cause. Advice is made on balanced exploitation of Yuncheng Saline Lake.
介绍了运城盐湖卤水组成的变迁过程以及产生这些变迁的原因，并对运城盐湖的平衡开采提出了建议。
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