1) acid concentration
酸浓
1.
Monitor and control of sulphuric acid concentration and liquid level in sulphuric acid production;
硫酸生产中硫酸浓度和液位的检测与控制
2) concentrated acid
浓酸
3) sulfuric acid
浓硫酸
1.
The synthesis of 9,9-bis(4-hydroxyphenyl)-fluorene from phenol and fluorenone catalyzed by sulfuric acid was studied.
以98%的浓硫酸作为催化剂合成双酚芴进行研究,分别对催化剂用量、助催化剂用量、反应时间、反应温度、酚酮摩尔比等主要因素对反应的影响,进行了试验,试验结果表明,使用浓硫酸催化合成双酚芴,最优条件下双酚芴的反应收率98。
2.
With the sulfuric acid as the catalysts,bagasse,bagasse hollocellulose and bagasse cellulose were liquefied in ethylene glycol at 130(190 ℃.
在浓硫酸催化下,将甘蔗渣、甘蔗渣综纤维和甘蔗渣纤维素在乙二醇中130~190℃液化。
3.
N-Benzylacryl amide (N-BAA) was synthesized using acrylonitrile and benzyl alcohol as raw materials and sulfuric acid as catalyst.
以丙烯腈和苯甲醇为原料,浓硫酸作催化剂,合成了N-苄基丙烯酰胺(N-BAA)。
4) concentrated sulfuric acid
浓硫酸
1.
Design & operation of anodic protection cooler for concentrated sulfuric acid;
阳极保护浓硫酸冷却器的设计与运行
2.
Synthesis of 1-bromohexane using hydrobromic acid-concentrated sulfuric acid method;
氢溴酸-浓硫酸法合成1-溴己烷
3.
Bromocyclohexane was synthesized from potassium bromide and cyclohexanol in the prensence of concentrated sulfuric acid in water.
以溴化钾和环己醇为原料,在浓硫酸存在条件下,以水为溶剂合成溴代环己烷。
5) concentrated sulphuric acid
浓硫酸
1.
Design practice and application of large-sized JHB high-temperature concentrated sulphuric acid submerged pump;
大型JHB型高温浓硫酸液下泵设计实践与应用
2.
Research of XDS stainless steel sheet for high-temperature concentrated sulphuric acid;
高温浓硫酸用XDS不锈钢板材的研究
3.
Research of DS-1 high-silicon stainless steel sheet used in high-temperature concentrated sulphuric acid;
高温浓硫酸用DS-1高硅不锈钢板材的研制
6) acid concentration
酸浓度
1.
This paper discusses the acid rinsing process in flax tow pre-treatment technology,and compares the influence degree among the three factors which are acid concentration、processing temperature and time in acid rinsing process by means of the unifactor experiment and orthogonal exper-iment,finally decides the optimized process.
对亚麻短纤前处理工艺中的预酸处理工序进行了研究,采用单因子实验及正交实验,比较酸浓度、处理温度、处理时间对预酸处理效果的影响程度,并得出最佳处理工艺。
2.
The acid concentration measure principle,the calculation and control method are introduced.
以涟钢酸洗连轧生产线为背景,介绍了酸浓度的检测原理、计算和控制方法,分析了此控制系统的原理和特点,并提出了在生产过程中的注意事项,实践证明该系统有效地提高了酸浓度的控制精度。
3.
This article introduces examining principle and methods checking strong acid concentration with electromagnetism induction method and analyses check-ing experiment data and researches its stability.
介绍了用电磁感应法检测强酸浓度的测量原理与方法,并对测量实验数据进行了分析,对该方法的稳定性进行了研究。
补充资料：浓稠酸
分子式：
CAS号：
性质：又称浓稠酸。是指在酸中(如盐酸)加入增稠剂(或称胶凝剂)，使酸液黏度增加。常用的酸液增稠剂有天然高分子聚合物，如瓜胶、田菁胶、刺梧桐树胶等以及工业合成的高聚物，如聚丙烯酰胺、纤维素醚类衍生物等。
CAS号：
性质：又称浓稠酸。是指在酸中(如盐酸)加入增稠剂(或称胶凝剂)，使酸液黏度增加。常用的酸液增稠剂有天然高分子聚合物，如瓜胶、田菁胶、刺梧桐树胶等以及工业合成的高聚物，如聚丙烯酰胺、纤维素醚类衍生物等。
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