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- The TEM photographs showed that the modified calcium carbonate had better disperse ability in cyclohexane. TEM照片显示改性的碳酸钙在环己烷中有更好的分散性能;
- Measurement of sediment volume and contact angle of modified calcium carbonate indicates that the wetability in nonpolar media had been improved. 沉降体积和接触角的测定结果说明改性碳酸钙在非极性介质中的润湿性得到了提高。
- Modified calcium carbonate was characterized by several analytic methods(TEM、DTATG、BET and particles size distribution),and the theory of preventing hard agglomeration by azeotropic distill... 结果表明,共沸蒸馏后可制得分散性好的纳米碳酸钙;
- Results show that the optimal amount of modifying reagent is 3% in mass, the absorption oil value of per 100 g modified calcium carbonate is 49.4 g, active ratio is up to 99.9%, and specific surface area is 30.32 m~(2)/g. 每100g改性纳米碳酸钙的吸油值为49.;4g;活化度高达99
- Compared with titanate coupling agent,the amount of stearic acid used for modifying calcium carbonate was higher than the former. 与钛酸酯偶联剂相比,硬脂酸改性碳酸钙的用量高于前者。
- Application of Modified Calcium Carbonate to Fire Hose of PVC 改性碳酸钙在聚氯乙烯(PVC)消防管中的应用研究
- The preparation and application of the various crystal form modified calcium carbonate with nanometer particle size 多种晶型纳米级改性碳酸钙的研制及应用
- Keywords phosphate acyloxy isooctanol aluminate;coupling agent;modified calcium carbonate; 磷酸酯酰氧基铝酸酯;偶联剂;改性碳酸钙;
- Limestone is rock composed of calcium carbonate. 石灰石是由碳酸钙所构成的岩石。
- modified calcium carbonate 改性碳酸钙
- Of, forming, or containing calcium or calcium carbonate. 含碳酸钙的属于、形成于或包含钙或碳酸钙的
- Algerian plant formerly burned to obtain calcium carbonate. 阿尔及利亚的一种植物，原来用于燃烧掉来获取碳酸钙。
- The surface of nanometer calcium carbonate powder was modified with resin and stearic acid. 用树脂和硬脂酸改性纳米碳酸钙。
- The annually production is10,000 t ultra calcium carbonate. 生产规模为年产1万吨超细纳米碳酸钙。经济效益：年销售收入5120万元，利润2440万元，投资回收期2年。
- Calcium carbonate in the form of stalactites or stalagmites. 钟乳石形成乳石或石笋的碳酸钙
- A soil of semiarid and arid regions that is rich in calcium carbonate and lime. 钙层土半干燥和干燥地区含丰富碳酸钙和氧化钙的土壤
- The main component of limestone is calcium carbonate. 石灰岩的主要成分是碳酸钙。
- They extracted some calcium carbonate ores in the mine. 他们在矿上开采出了一些石灰质矿石。
- Remove the ethyl alcohol use calcium carbonate impurity method? 用碳酸钙除去乙醇中的乙酸杂质的方法？？？
- The calcium carbonate also provides necessary turgor pressure. 若能将萤光和钙化作用之间的关系做一个深入的理解，便可以方便地确定钙化藻的健康。
