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The preparation of ADC foaming agent from biurea by dioxygen catalytic oxidation was investigated and discussed.

对用分子氧催化氧化制取ADC发泡剂进行了探讨。

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The best foaming condition is happened by adding 7% PYA resin and 4% foaming agent.

实验结果显示聚七烯醇树脂浓度为7%及发泡剂添加比例为4%具有最佳发泡结构。

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The purpose of this paper is to study the radar absorbing effect of foamglass with graphite as vesicant.

本文的目的是研究石墨作发泡剂的泡沫玻璃的微波吸收特性。

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A foamable phenolic resin was prepared,through addition,condensation,in the presence of alkali.The resin was foamed with surfactant, foamer,solidifying agent , then the foam phenolplast was given .

甲醛在碱性条件下经加成、缩合制得可发性醛树脂,该树脂和表面活性剂、发泡剂、固化剂一起发泡即得醛泡沫塑料。

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Cheshire, Cheshire cat, Cheshire Cheese, Cheshvan, cheskey, chess, chess game, chess piece, chess player, chessboard,

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3G, 401(K), a,

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双语版 TED-Ed 演

They also made great propellants, foaming agents, and fire-retardants.

用它还可以制造很好的推进剂,和阻燃剂。

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跟马修学英语

Label CFC-11, the chemical in question used to be used in refrigerants, foam blowing agents, and aerosol sprays but it was supposed to be completely phased out in 2010.

标签 CFC- 11, 该化学品曾用于制冷剂、和气溶胶喷雾剂, 但本应在 2010 年完全淘汰。

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SciShow - Chemistry

That’s because the carbon dioxide in the beer forms bubbles that fluff up the batter, and foaming agents, which are certain proteins found in beer, keep those bubbles from bursting as fast as they normally would.

这是因为啤酒中的二氧化碳会形成气,使得蓬松,而(啤酒中的某些蛋白质)可以防止这些气像往常一样快速破裂。

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Cheviot Hills, Chevisol, chevkinite, chevon, chevreaux, chevres, chevret, chevrette, Chevroler, Chevrolet,

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3G, 401(K), a,
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