ash-free,ashless是什么意思

用法例句

An ashless fuel antistatic additive was synthesized through photochemical reaction.

利用光化学反应合成了无灰型燃料抗静电剂,考察了α-烯烃与溶剂的物料配比、反应温度、紫外光照射方式等条件对合成反应的影响,分析了合成产品的理化性质与结构,还考察了燃料中添加抗静电剂后对其电导率的影响。

The development and application of ashless antiwear hydraulic fluid with high pressure are described.

介绍了无灰高压抗磨液压油的研制过程及在实际应用中的情况。

A liquid amine ashless antioxidant HAO without phosphorus and zinc was prepared by alkylation of diphenylamine and 12 carbon iso olefin mixture, which can be applied at high temperature.

以二苯胺和含C12 的混合异构烯烃为原料 ,通过烷基化工艺 ,研制出了适于高温条件下应用的不含磷、锌元素的液态胺型无灰抗氧剂双十二烷基二苯胺 (HAO)。

And some researches in the low-line and lime-free liming process also were summarized.

通过23篇文献资料,综述了国内外少灰、无灰浸灰现状,总结了一些自20世纪中后期以来制革者对少灰、无灰浸灰所进行的研究。

The synthesis process of mono polyisobutylene succinimide ashless dispersant by using accelerating agent was described in this paper.

介绍了加促进剂的单挂无灰剂的合成工艺 ,并考察了配料比、反应时间、热储存等因素对产品质量及使用性能的影响 ,进而分析了该工艺对原料多烯多五胺及烯酐的适应性 ,并与原无溶剂无促进剂工艺进行比较 ,结果证明加促进剂工艺较原工艺稳定可靠 ,所得小试产品质量好 ,其理化指标及低温分散性与国外同类剂 OL OA- 1 2 0 0相当。