Performance characteristics of - prepared acid free non - ironing finishing agent PC was investigated.

探讨 自制 聚羧酸型无甲醛免烫整理剂PC的 应用性能.

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Acid - free, contains 50 % recycled fiber.

无酸, 包含50%可回收纤维.

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Printed on acid - free paper.

可浏览文摘.

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White acid free tissue paper inside the box.

盒内装有无酸的白色纸巾.

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I placed it in acid free paper and set it aside for later restoration.

俺把它在酸性纸并搁置以后恢复.

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Why is it important for paper or board to be acid - free and lignin - free?

为什么无酸和无木质素的包装纸张或纸板是重要的?

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A series of industrial catalysts for hydrogenation of acid - free benzaldehyde were prepared by co - precipitation method.

运用共沉淀法制备了系列锌锰复合纳米催化剂,并用于气相催化加氢苯甲酸合成无氯苯甲醛.

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Active carbon filter in card mode , purified oil , delicacy removal , de - acid free bacterial.

卡式活性碳过滤器,净油 、 去味 、 脱酸、杀菌.

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