所得固体悬浮液经酸化、过滤、洗涤、干燥和粉碎得到白炭黑产品。
The slurry of precipitated silica is treated by acidification, filtration, washing, drying and comminuting, the finished product is finally obtained.
它用刺槐花经洗涤、粉碎、浸泡、过滤、蒸馏、精滤等工艺而制成。
The locust flower is rinsed, pulverized, steeped, filtrated, distilled and fine filtrated.
用氢氧化钠中和反应混合物后，再用反应前馏分、水和甲醇先后洗涤，烘干后粉碎即得高性能产品。
More fine properties of products could be gained by adding sodium hydroxide as neutralization process, and using water and methanol in sequence to purify product.
用氢氧化钠中和反应混合物后，再用反应前馏分、水和甲醇先后洗涤，烘干后粉碎即得高性能产品。
More fine properties of products could be gained by adding sodium hydroxide as neutralization process, and using water and methanol in sequence to purify product.
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