The K-T process of urea-based compound fertilizer is presented.

介绍尿基复合肥K T技术工艺流程；

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Polymer modified cement - based compound and its application in construction exterior paint are described.

介绍了聚合物改性水泥基复合材料及其在建筑外墙涂装中的施工应用情况。

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At last, the appliance of Reconciliation oil and the research of the coal-based compound fuel oil are reviewed.

最后，对合成燃料油的应用及生产的情况以及煤基合成燃料油的研究情况进行说明。

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U.K.-based Compound Security Systems Ltd. sells a device to repel loitering teens with a frequency adults can't hear.

WSJ: A California City Is Into Tweeting��Chirping, Actually��in a Big Way

Yes that's right, the base metal element lead, Pb, or more exactly the lead-based chemical compound Pb(CH2CH3)4 added to petrol to make car engines run more smoothly.

BBC: Does lead poisoning make you violent?

The American soldier accused of carrying out the shooting was based at a small compound in Kandahar province.

BBC: Afghanistan's Taliban suspend peace talks with US