求翻译：在实习期间本人合成了农药的中间体，并对其最后的产品进行提纯，对其产品中的副产品及其杂质进行了详细分析，改进其成产工艺。是什么意思？

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during the internship I synthetic the pesticide intermediate, and for their final products in respect to its products and refining by-products and impurities of conducted a detailed analysis, to improve its production processes.

In practice period myself synthesized the agricultural chemicals intermediate, and carries on the depuration to its final product, has carried on the multianalysis to in its product sideline product and the impurity, improves it to become produces the craft.

Practicum period I was a synthesis of pesticide intermediates, and for its final products purified, their by-products and impurities in the products carried out a detailed analysis, to improve its production process.

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