查询词典 acid pickling

Using pickling liquid wastewater of hydrochloric acid,iron scurf and aluminiferous mine as raw materials,a series of poly-aluminum-ferric-silicate-chloride which has different molar ratio of Si:Al:Fe was prepared.

在钢铁制品的制备加工过程中，经常要用到盐酸或硫酸对其表面进行酸洗除锈处理，因此产生大量的酸洗废液，其中含有大量的亚铁离子。

Using pickling liquid wastewater of hydrochloric acid,iron scurf and aluminiferous mine as raw materials,a series of poly-aluminum-ferric-silicate-chloride which has different molar ratio of Si:Al:Fe was prepared.

利用天津某钢厂的工业废料——盐酸酸洗废液、铁屑和含铝矿等为原料，合成了具有不同摩尔比的无机高分子絮凝剂聚硅酸氯化铝铁，采用Zeta电位测定法分析了产品在其水解溶液中的带电情况，并通过絮凝实验对絮凝剂的絮凝机理作了初步分析。

A new production process is proposed, in which the acid sludge is removed and the pickling liquor is neutralized once with lime milk after defluorination.

对我国化工企业现行的盐酸法饲料级磷酸氢钙生产工艺的现状进行了介绍与分析，指出了存在的问题，提出了一种新的生产工艺，即去渣一段中和法。

A new production process is proposed,in which the acid sludge is removed and the pickling liquor is neutralized once with lime milk after defluorination .

工业试验结果表明，新工艺能使磷矿石中磷的利用率由现有工艺的近60%提高到85%以上，脱氟液中磷氟质量比由240左右提高到300以上，产品收率提高20%以上，产品质量也大大提升，并显著降低了原料消耗及生产成本。

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。