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- Contrast Study of the Occupational Hazards in Metallic Acid Pickling before and after Technical Reform in a Steal Company 某钢铁厂工艺改进前后金属酸洗岗位职业危害的对比
- Metallic acid pickling 金属酸洗
- A process of alkaline hard chromium plating on aluminum alloy was presented, including oil removal, dipping in heavy metal solution, acid pickling, dipping in zinc solution, hard chromium plating. 提出了一种铝合金碱性直接镀硬铬工艺,包括除油、重金属、侵蚀、锌、硬铬。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- There are particular requires for antifog and corrosion inhibitor in large-scale hydrochloric acid pickling line with regenerating system of waste acid removing silicon. 带有废酸脱硅再生系统的酸洗机组对于所用抑雾缓蚀剂有特殊的要求。
- Acid pickling surface of profiled bar component can cleanup oxidation and realize gentle acid erode to increase binding power between zincification and matrices. 通过对型钢构件表面酸洗,可清除其表面氧化层,并实现对其表面的轻度刻蚀,以增加后续锌镀层与基体的结合力。
- As a result,acid pickling is beneficial to lower the velocity of cationic grafting to ramie and resulting more even distribution of cationic group on ramie fiber. 试验结果表明,酸洗可以减缓碱改性苎麻阳离子接枝改性的速度,使在苎麻上接枝的阳离子基团分布均匀;
- A newly developed synergist (model SE) for the sulfuric acid pickling is introducd.The synergist showed significant inhibiting effect during pickling of steel in sulfuric acid. 研制了一种新型硫酸酸浸增效剂,对钢铁酸浸缓蚀效果明显。
- The emery is a hard metallic substance. 金刚砂是非常坚硬的金属物质。
