介绍了一种苛化工段直接生产沉淀碳酸钙的新技术。
A new technology for producing PCC directly in the causticizing stage is reported in this paper.
它是经历了上千年前的热水流动并冷却和沉淀碳酸钙形成的一系列的台地。
A series of terraces that were formed thousands of years from hot water flowing and being cooled by cold water and depositing calcium carbonate.
介绍了国内外在制备沉淀碳酸钙过程中，已经使用以及正在研究的各种晶型控制剂。
The various chemical additives being used or studied in the preparation of PCC at home and abroad are introduced.
对用原淀粉复合脂肪酸、原淀粉包埋沉淀碳酸钙(PCC)作为纸张表面施胶剂进行了研究。
Surface sizing using raw starch with fatty acid and raw starch coated PCC was studied.
其次介绍了世界轻质沉淀碳酸钙(PCC)的市场概况及国外大型PCC生产公司的基本情况。
Secondly, the world market profile of the precipitated calcium carbonate (PCC) and b.
轮藻形成碳酸钙沉淀，这些沉淀可形成湖泊钙质泥灰岩的主要成分。
Stoneworts contain calcium carbonate deposits so extensive that they may form the major part of lake bottoms.
多孔状凝灰岩石灰质的凝灰岩，碳酸钙多孔或有吸收性的沉淀物，出现在。
Calcareous tufa, a porous or spongy deposit of calcium carbonate found in calcareous mineral springs.
多孔状凝灰岩石灰质的凝灰岩，碳酸钙多孔或有吸收性的沉淀物，出现在石灰性矿物泉中。
Calcareous tufa, a porous or spongy deposit of calcium carbonate found in calcareous mineral springs.
民众抱怨水壶产生结垢，系硬水煮沸时其溶解性钙及镁形成碳酸钙及碳酸镁沉淀物所造成。
When people complain about scaling inside their water kettles, this is caused by dissolved calcium and magnesium ions forming calcium and magnesium carbonate deposits when hard water is boiled.
在沉淀法制备超细碳酸钙过程中，通过加入表面活性剂抑制晶核成长。
The crystalloid growth of precipitated calcium carbonate is inhibited by adding surfactants during the precipitation process.
向溶液中通入二氧化碳即沉淀出碳酸钙，循环利用。
Carbon dioxide was led into the solution and the calcium carbonate was deposited which could be cyclically used.
上海碳酸钙厂始建于1932年，是国内最早用于沉淀法生产轻质碳酸钙的专业厂。
Shanghai calcium carbonate factory, the first factory for precipitated calcium carbonate was established at 1932.
上海碳酸钙厂始建于1932年，是国内最早用于沉淀法生产轻质碳酸钙的专业厂。
Shanghai calcium carbonate factory, the first factory for precipitated calcium carbonate was established at 1932.
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