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- Anticorrosive construction of acid pickling bath,material selection,anticorrosive design,preparation of grass roots,match of material,construction of FRP under mix acid condition are introduced. 本文介绍了酸洗槽的防腐蚀施工,在混酸介质条件下的材料选择、防腐蚀设计、基层处理、配料和玻璃钢施工,针对防腐蚀施工中出现的技术问题进行了分析和解决。
- Co coordinating with Service Centers for Acid Pickling, Slitting, Transporting &Cold Rolling. 共同协调酸洗、分条、运输及冷轧服务中心。
- Complete removal of rust and mill scale by acid pickling, duplex pickling or electrolytic pickling. 通过酸液或电解质的浸洗除去所有的锈迹和氧化皮。
- The acid pickling wastewater in small and medium size enterprises contains Fe 2+ ,PO 3- 4,Zn 2+ and inorganic acid. 中、小企业的酸洗废水流量不大 ,其中主要含有Fe2 + 、PO3 -4、Zn2 + 和无机酸。
- The control characteristics of PLC and technology process of acid pickling are presented. 介绍了酸洗线的工艺过程以及PLC的控制特点。
- There is no longitu-dinal surface caracking in the course of acid pickling after the stress reliving annealing. 对冲压后的磁屏采用消除应力退火,随后再酸洗,未发生表面轴向开裂。
- The outside after the acid pickling and the bonderizing, uses the static electricity epoxy powder spray coating. 外部经酸洗和磷化处理后,采用静电环氧粉末喷涂。
- Pickling solution for acid pickling of stainless steel is a mixture of various acids which possess strong corrosiveness and oxidization. 不锈钢酸洗用酸洗液是多种酸的混合物,腐蚀性强且具有氧化性,腐蚀介质温度较高。
- A kind of acid pickling accelerant for descaling of the silicon steel sheet has been developed. 研制出了一种硅钢氧化皮SXC-B酸洗促进剂。
- Mixed acid should be allowed to flow for 1 minute in order to flush the pipesand cooling system. 应让混酸流一分钟,以便冲洗管道和冷却系统。
- The research progress of green natural hydrochloric acid pickling corrosion inhibitors has been expatiated. 摘要文章综述了国内外天然绿色盐酸酸洗缓蚀剂的研究进展。
- Mixed acid should be allowed to flow for 1 minute in order to flush the pipes and cooling system. 应让混酸流一分钟,以便冲洗管道和冷却系统。
- In the water phase, benzotrichloride was condensed with resorcin by th e catalysis of mix acid to form intermediate 2,4-dihydroxybenzophenone. 用混和酸作催化剂,三氯甲基苯和间苯二酚在水相中缩合成中间体2,4-二羟基二苯基甲酮。
- Theresults show: Acid pickling process of low pollution and without specified equipment is satisfied withthe demand of removing impurity. 结果表明:本文设计的少污染、无需专用设备的酸洗工艺能满足除杂的要求。
- This paper derives a terminal point error formula of mixed acids (bases) respective titration by algebraic method,and discusses the formula. 本文用代数法推导了混合酸(碱)分步滴定的终点误差公式,并对该公式进行了讨论。
- The optimum concentration of Changcheng 3# or Lan-826 was 0.3%, acid pickling temperature was 60? and its holding time was less than 5 hours. 长城3%23或兰-826的最佳添加量为0.;3%25,最佳酸洗温度为60℃,酸洗时间小于5h。
- Determination of sulfuric acid from mixed acids of s ulfuric acid,phosphoric acid and nitric acid,with barium sulfate weight method w as described. 提出了用硫酸钡重量法测定硫酸、磷酸、硝酸混合酸溶液中硫酸含量,对测定条件进行了试验研究。
- A high efficient and low cost inhibitor for HCl acid pickling of steel has been prepared by using unsaturated rough alcohol and organic amine. 利用粗品不饱和醇和有机胺的协同作用,制得缓蚀效率高而成本低的盐酸酸洗缓蚀抑雾剂。
- In the paper,the influencing on the stability of mixed acid milk were studied and the orthog onal experiment were made. 对影响调配酸乳饮料稳定性的因素进行了研究,通过正交试验确定稳定剂的最佳复配配比以及最佳的生产工艺。
- The presence of the greater resid-ual tensile stress induces the stress corrosion cracking in the course of the acid pickling. 其原因是磁屏表面存在较大的切向拉应力,从而在酸洗过程中产生了应力腐蚀开裂。