In this paper, the strong acid ion exchange resins have been studied as the solid-acid catalyst for the esterification of 4-hydroxybenzoic acid.

本文研究了一种固体酸催化剂—阳离子交换树脂催化剂，用于对羟基苯甲酸的酯化反应。

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In this study trimethyl amine was reclaimed from amination wastewater by using 001 hydrogenous strong-acid ion exchange resin. The recovery ratio is more than 90%.

本文采用001氢型强酸性阳离子交换树脂从胺化废水中回收三甲胺，回收率大于90%。

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The catalyst system consists of solid strong acid ion exchange resin, organic solvent and copper powder in certain proportion, and the reacted catalyst system may be recovered for reuse.

该催化系统由固体强酸离子交换树脂、有机溶剂和铜粉以一定比例组成，该催化系统在反应后可再回收循环利用。

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"Based on our analysis, the performance of A123's new Nanophosphate EXT at high temperatures is unlike anything we've ever seen from lead acid, lithium ion or any other battery technology, " said Dr. Yann Guezennec, senior fellow at CAR and professor of mechanical engineering at the Ohio State University.

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So right now we're looking to move from lead-acid to lithium-ion batteries and we're working with the US Navy on a test programme that would allow us to do that.

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A123 develops lithium-ion batteries, which can hold a lot more energy than the lead-acid batteries found in most cars today.

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