active acidity
英 [ˈæktɪv əˈsɪdəti]
美 [ˈæktɪv əˈsɪdəti]
活性酸度；有效酸性
双语例句
- The results showed that: the active compositions are of water-soluble protein, and susceptible to acidity, heat, and can be restricted by ethanol.
结果表明，这种物质能溶于水，不耐酸，不耐加热，可被乙醇钝化，属蛋白质类物质。 - It has the advantages of high active oxygen content, weak acidity of the aqueous solution and good solubility in organic solvent in comparison with other solid peroxides.
同其它过氧化物相比，它具有活性氧含量高，水溶液呈弱酸性及能溶于有机溶剂的特点。 - The active ingredient content in film-forming solution and the film thickness were tested by spectrophotography, and the total acidity of the solution was detected by Lung's indicator.
采用分光光度法测定了涂膜液中活性成分的含量、膜层厚度，采用指示剂法测定了涂膜液的总酸度。 - The active SiO_2 which was deposited on zeolite could increase the crystallinity of HAY zeolite and adjust the acidity to extent.
加入适量的活性SiO2可提高分子筛的结晶度，并可调变分子筛的酸量分布。 - Two better ones out of seven supported catalysts were selected for carbonylation of ethyl alcohol. Factors effecting the conversion and selectivity for the reaction have been studied and the valence state of active species and the acidity of carrier have also been examined.
本文由七种负载型催化剂中选出两种比较好的乙醇羰化催化剂，研究了影响反应转化率和选择性的因素，考察了活性组份的价态和载体的酸性。 - Water and KCl solution extraction and different ratioes of liquid/ soil were used to detect the active and latent acidity in soils.
本实验对土壤用水浸提和KCl浸提两种方法测定其活性酸和潜在酸，并用不同的液土比测定其pH值。 - 1.1 soil active acidity
1对土壤活性酸的影响 - Active alumina is playing an important part in the field of hydrogenation process due to its perfect surface area as well as its pore structure and surface acidity.
活性氧化铝由于其优良的比表面积，适宜的孔结构，表面具有酸性等特征，使得其在加氢反应过程中发挥着重要作用，由于目前重油加氢技术逐渐受到人们的重视。