acid-free

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.

The standard enthalpy, standard entropy and standard Gibbs free energy change of xylose and glucose in fatty acid, mixed fatty acids, and mixed solvents of fatty acids+ water were calculated.

由溶解度数据计算出木糖、葡萄糖在脂肪酸、混合脂肪酸、脂肪酸+水混合溶剂中的标准溶解焓△solH°、标准溶解熵△solS°和标准溶解吉布斯自由能变△solG°。

Under the experimental conditions, the fish whole fish, muscle amino acid composition and feed amino acids have a stronger correlation; different feed groups carp organs and tissues of the same pattern of free amino acids was no difference in relative stability.

本试验条件下，鲫鱼全鱼、肌肉氨基酸组成与饲料氨基酸组成有较强的相关性；不同饲料组鲫鱼同一器官组织游离氨基酸组成模式无显著差异，相对稳定。

With the data of crystal lattice, entropy change, enthalpy change and free energy in thermodynamics, this essay makes analysis on the solubility of hydronium compound and the acidity of hydrosulphuric acid.

用热力学中的晶格能、焓变、熵变及自由能的数据对离子化合物的溶解度和氢卤酸的酸性进行了分析。

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.

Acid-free, contains 50 % recycled fiber.

无酸, 包含50%可回收纤维.

The adsorption enthalpy change, free energy change, entropy change for the phenylacetic acid adsorbed by 3 resins were calculated, and the reasonable explanation was made to the adsorption behavior.

对苯乙酸被3种树脂吸附的吸附焓变、自由能变、吸附熵变也作了计算，并对吸附行为作了合理的解释。

I still think ink on acid-free paper is gonna win out.

我还以为墨水在无酸纸最显色

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?

The mainland has sent medical teams to assist Hong Kong in carrying out free nucleic acid testing for all residents, and in building temporary hospitals to treat infected people.

中国大陆已派出医疗队协助香港特区对所有居民进行免费核酸检测，并搭建临时医院治疗感染者。

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.

White acid free tissue paper inside the box.

盒内装有无酸的白色纸巾.

Printed on acid-free paper.

可浏览文摘.

Rising Artist Bristol Board is a fine quality, acid-free sulphite bristol for a variety of uses. It's available in two finishes& Vellum and Plate.

这是一个优良品质，无酸，亚硫酸盐板纸，多用途。两种面，滑面和仿羊皮纸面。

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.