The improved freeze thaw experiment indicates that this additive can improve the long term anti water ability of acid aggregate asphalt mixture markedly.
强化冻融劈裂试验表明，开发研制的含铬外加剂能够显著提高酸性集料沥青混合料长期抗水损害能力。
2
A new type of boron containing anti wear additive has been synthesized from boride, propanetriol and long carbon chain fatty acid.
使用硼化物、丙三醇和长链脂肪酸合成了一种油溶性含硼抗磨添加剂，测试了它的抗磨及防锈性能。
3
The novel high temperature fluid loss additive named KCS-53 with functions of anti-caving and salt resistance is produced from humic acid by synthesis.