酸洗

During the Great Proletarian Cultural Revolution, a "three-in-one" combination research group was organized from the workers, which formed the main-force, cadres and technical staffs of Silicen-Steel Sheet Works, Metallurgical Designing Institute and a research institute, for the recovery of sulphuric acid from the waste acid liquor of the steel works.

在无产阶级文化大革命中，由上海矽钢片厂、上海冶金设计院及中国科学院上海有机化学研究所组成的以工人为主体的工人、干部、科技人员三结合试验小组，对硅钢片酸洗废液通过用S-203强碱性阴离子交换膜扩散渗析法进行硫酸的回收，既节约物资，又改善环境，获得了较为满意的结果。

The influence of water content,molar ratio of methanol to oil,concentration of alkaline catalyst,reaction temperature and time different reaction factors to transesterification ,and methods such as water washing,acid washing,extraction and pressure reduced etc.

考察了原料油水分含量、醇油物质的量比、催化剂浓度、反应温度、反应时间等对转酯化反应的影响，以及水洗、酸洗、萃取、减压蒸馏等不同后处理方法对产品品质的影响。

In the system wax coating, casting, Shotblast, sandblasting, pickling, vibration grinding, polishing electrochemical, polished and bright colored surface treatment technology has unique technology, in many new areas of the province through the identification of scientific and technological achievements , Known as "the most potential of the enterprise."

在制蜡、涂料、浇铸、抛丸、喷砂、酸洗、振动研磨、电化学抛光、光亮抛光以及表面着色处理等工艺上有独到的技术，在许多新工艺方面通过了省科学技术成果鉴定，被誉为&最具有潜力的企业&。

Analyze many kinds of defect of cold-drawing seamless steel pipe, and take measures to solve it.

负责指导和监督包括穿孔、轧管、酸洗、拔制、退火、矫直、精整等工序上工人的操作。

With the purpose of improving the strip quality monitoring methods of 1676mm 4-stand tandem cold rolling mills of Benstell cold rolling plant.the monitoring tactic for plate thickness and crown was preliminarily studied here.

中文摘要：本文以改善本钢冷轧厂1676mm酸洗—冷连轧联合机组的板带质量监测手段为目的，对冷轧带材厚度和板凸度的在线监测策略做了初步的研究与探讨，提出了采用虚拟仪器技术构成监测系统的方法。

Which also includes water treatment agent to agent, corrosion inhibitor, scale inhibitor, Bactericide and Algicide Pickling Inhibitor, flocculants, and defoamers, such as Series 7 GN dozens of varieties, productivity for the year 2000 tons, the quality has reached the national standard, corrosion and scale inhibitors have reached the international advanced level.

其中水处理药剂又包括予膜剂、缓蚀剂、阻垢剂、杀菌灭藻剂、酸洗缓蚀剂、絮凝剂、和消泡剂等7大GN系列数十个品种，年生产力为2000多吨，质量均已达到国家标准，缓蚀阻垢剂已达到国际先进水平。

Not only is vinegar good for descaling kettles, cleaning windows and pickling onions, but it seems that it could help you to keep the weight off, too.

醋不仅是良好的鳞水壶，清洁窗户和酸洗洋葱，但似乎它也可以帮助你保持体重。

Feasibility of high-pressure water jet-sand blasting descaling instead of pickling descaling is discussed.

讨论了采用高压水喷砂除鳞技术替代酸洗除鳞的可行性。

Studies on the effect of eluting time,temperature and ultrasonic on elution rate are carried out and X-ray fluorescence are used in analysis.

针对硫酸溶液可以有效洗脱树脂上的氰化物和锌，但不能洗脱铜的工艺问题，选择氨水溶液对酸洗后201×7树脂上的铜进行解吸；试验研究了解吸过程的时间、温度以及超声波作用等条件对解吸率的影响，并进行了X射线荧光分析。

A starch-dicyandiamide-formaldehyde flocculant was synthesized with starch, dicyandiamide and formaldehyde as main raw materials, iron and steel pickling waste liquor as catalyst and by adding some additive.

以淀粉、双氰胺、甲醛为主要原料，以钢铁酸洗废液为催化剂，引入添加剂合成了淀粉-双氰胺-甲醛絮凝剂。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。