1) High acidity
高酸度
1.
After the sample was dissolved with a mixed acid of sulphuric acid,phosphonic acid and nitric acid,at a given condition of high acidity,with ammonium-persulfate-oxidized vanadium as pentavalent vanadium and N-phenylated anthranilatic acid as an indicator,the standard solution of ammonium ferrous sulfate was used to titrate vanadium,showing good results.
试样以硫磷硝混合酸溶解试样后,在特定的高酸度条件下,用过硫酸铵氧化钒为五价钒,以N-苯基代邻氨基苯甲酸为指示剂,用硫酸亚铁铵标准溶液滴定钒,取得了较好的效果。
2.
After the sample was dissolved with a mixed acid of sulphuric acid, phosphonic acid and nitric acid, at a given condition of high acidity, with ammonium-persulfate-oxidized vanadium as pentavalent vanadium and N-phenylated anthranilatic acid as an indicator, the standard solution of ammonium ferrous sulfate was used to titrating vanadium.
试样以硫磷硝混合酸溶解试样后,在特定的高酸度条件下,用过硫酸铵直接氧化钒为五价钒,以N-苯基代邻氨基苯甲酸为指示剂,用硫酸亚铁铵标准溶液滴定钒。
2) high density acid
高密度酸
1.
This paper presents aggravating acidification technology of high density acid,which can depress the pumping pres.
通过高密度酸加重酸化技术在CG 561井的应用证实能够有效降低施工泵压,提高酸化工作液密度,增加井筒液柱压力,适应特殊地层,对于该井须二气藏采用高密度酸液(含15%~20%盐酸的常规酸液)加重酸化技术,可降低井口施工泵压13M Pa~17 M Pa,经过对CG 561井的酸化后压力恢复试井测试结果证实增产94%,达到安全、优质、快捷的增产施工效果。
3) the highest acidity
最高酸度
1.
Calculation of the highest acidity in complexometric titration using Matlab is presented.
介绍了数学软件Matlab的基本操作及多项式求根的指令,并探讨了利用Matlab计算络合滴定金属离子最高酸度的方法。
4) high sour vinegar
高酸度醋
1.
A new method,extraction-distillation,was attempted to be used during the process of high sour vinegar.
探索采用萃取-蒸馏生产高酸度醋的可行性。
5) high viscosity acid
高粘度酸
6) highly acidic diesel
高酸度柴油
1.
Shortcomings of current intermittent process which include alkaline wash and electric refining of highly acidic diesel, and recycling naphthenate by sulphuric acid neutralization were analyzed.
在分析现行高酸度柴油碱洗电精制和硫酸中和法回收环烷酸间歇工艺缺点基础上,提出用TJ-1试剂或TJ-2试剂的溶液抽提精制高酸度柴油、回收环烷酸的联合工艺流程。
补充资料：代换性酸度
分子式：
CAS号：
性质：土壤潜在酸度的一种类型。中性盐中的金属离子代换土壤中的氢和铝离子而表现出来的酸度。用于估算土壤对酸性或碱性排放物的缓冲能力及土壤对某些化学元素的吸持能力时，需测定代换酸度。
CAS号：
性质：土壤潜在酸度的一种类型。中性盐中的金属离子代换土壤中的氢和铝离子而表现出来的酸度。用于估算土壤对酸性或碱性排放物的缓冲能力及土壤对某些化学元素的吸持能力时，需测定代换酸度。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条