The invention relates to a floating and collecting agent of bertrandite beryllium ores and application thereof.

本发明涉及一种羟硅铍石类铍矿浮选捕收剂及其应用。

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The water resistant low formaldehyde content urea-formaldehyde resin was prepared by adding hydrophobic resin and formaldehyde collecting agent.

采用加入疏水性树脂和甲醛捕捉剂的方法对脲醛树脂进行了改性。

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According to the properties of sulfide ore and current situation of production, additional collecting agent of new type is used for improving various technical parameters and economic benefit.

根据大姚铜矿硫化矿的矿石性质及生产现状，寻找新的辅助捕收剂来提高选别的各项指标，作为指导选厂生产及提高效益的理论依据。

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And the security forces, often under-funded, get things wrong: in February, the Philippines announced with great fanfare the detention of a terrorist holding no fewer than 104 passports, only to discover that he was a travel agent collecting visas for Muslim pilgrims.

ECONOMIST: Terror in the shadows | The

If they collect the taxes and fail to remit, they can go to jail because in collecting the sales tax they are an agent of the State and failure to remit is something like embezzlement.

FORBES: Is Super Bowl Monday Holiday More Important Than Tax Reform ?

After collecting intelligence in Poland, she was parachuted into France where an agent's life expectancy was just six weeks.

BBC: Polish spy Krystyna Skarbek remembered