acid-free-paper的意思|示意

In this paper the polyaniline free standing film with better electric conductivity and mechanical properties was prepared by electrochemical method and doping with perchloric acid.

采用电化学方法，以高氯酸为掺杂剂，合成了具有较好导电性能和机械性能的聚苯胺自支撑膜。

Rosin sizes is a common sizing agent of paper, the content of free rosin acid is low in common rosin sizes, so the sizing effect is bad.

松香胶是造纸常用的施胶剂，普通松香胶的游离松香含量低，因此，施胶效果不好。而分散松香胶中游离松香含量高，分散越好，施胶的效果越佳。

In general, the higher the content of free fatty acid is, the lower the smoking point is. This paper establishes their relationship model by means of return analysis.

一般情况下，精制大豆油游离脂肪酸含量高，则烟点低，本文利用回归分析法建立了两者的关系模型。

This paper explored and built the best technology of a hawkthorn acetic acid drink with sugar-free and high dietary fiber, and studied the flavor and stability of final product.

本文主要研究了以发酵型山楂原醋、麦芽糖醇、复合膳食纤维等原材料进行调配生产无糖高纤维山楂醋饮料的最佳配方及工艺，并对成品进行风味和稳定性检测实验。

Wrap them right: Protect your ornaments before boxing them by wrapping them individually in acid-free tissue paper or 100 percent cotton cloth.

正确的包裹饰品：用防酸的绵纸或100％纯棉的布料单独包裹每件饰品，可防止饰品互相磕碰。

Glossy monthly magazines will not degrade as quickly, but storing them in an acid-free box will not hurt, and neither will putting tissue paper between pages.

十只以上为16.10美元蜡光纸月刊退化不会那么快，但是，保存不论放在无酸盒中还是在页间夹纸都不会产生伤害。