The use of isobutanol etherified melamine has widened the source of raw material and reduced the cost.

采用异丁醇醚化三聚氰胺树脂，可开辟原料来源和降低产品成本。

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It also forecasted future application of rice hulls as for the source of raw material hard degree of the treatment process, sorts of obtained products its applied area and economical effect and so on.

并从原料来源、加工过程的难易程度、可制得的产品种类及其应用范围、经济效益等方面展望了稻壳综合利用的前景。

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At the same time, China has become a most important source of demand for raw material producers.

与此同时，中国已成为原材料生产者最重要的需求来源之一。

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It passed a resolution telling buyers of tin not to source their raw material from mines controlled by Congolese militia leaders.

ECONOMIST: Failed states

In the Middle Ages it was discovered to be a rich source of aluminium sulphate - a crucial raw material used as a fixing agent in dyeing cloth.

BBC: Time team battles tide