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- The preparation of high purity calcium carbonate and magnesia by ammonium salt extracting method from dolomite 铵浸法由白云石制备高纯度碳酸钙和氧化镁
- This study uses phosphogypsum without impurity removal, sodium carbonate and hydrochloric acid to produce special calcium carbonate of high purity over 99%, and the whiteness reaches up to 95%. 摘要利用未经除杂的磷石膏、碳酸钠以及盐酸在一定条件下制备纯度高达99%25以上,白度达95%25的特殊碳酸钙。
- Standard Specification for High Purity Calcium Sulfate Hemihydrate or Dihydrate for Surgical Implants 医用高纯水合硫酸钙或二水硫酸钙规范
- DETERMINATION OF CHLORINE IN HIGH PURITY MANGANESE CARBONATE BY ISE METHOD. 离子选择电极法测定高纯碳酸锰中的氯。
- Limestone is rock composed of calcium carbonate. 石灰石是由碳酸钙所构成的岩石。
- Supply High Purity Germanium Bracelet. 供应高纯锗手链。
- This glittering green emerald is of high purity. 这个翡翠绿莹莹的,成色极好!
- A new method about the preparation of Zinc Chloride of high purity from marmatite and calcium chloride is introduced. 介绍了利用锌精矿制备高纯度氯化锌的理论探索和新的工艺条件研究。
- FAAS method was applied to the determination of metal impurities(in eluding Zn,Na,Pb,K, Fe,Ca and Mg)in high purity lithium carbonate. 采用火焰原子吸收光谱法测定了高纯碳酸锂中多种杂质元素(包括锌、钠、铅、钾、铁、钙及镁)的含量。
- 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
- The process quality and using result of high purity barium carbonate prepared with barium hydroxide have been introduced. 介绍八水氢氧化钡制取高纯碳酸钡的工艺、产品质量及用户使用结果。
- 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 process,using strontium nitrate and ammonium bicarbonate as raw materials to develop and produce high purity strontium carbonate is introduced. 介绍了以硝酸锶和碳酸氢铵为原料,研制生产高纯碳酸锶的工艺过程。
- The principle and process conditions for the production of high purity strontium carbonate from celestite by catalytic converting method are studied. 采用湿法由天青石制备粗碳酸锶,粗碳酸锶经过过滤、酸溶、净化等过程制得高纯碳酸锶。
- 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。
- Why do we need High Purity Water for cleaning and rinsing? 为什么要用超纯水作清洗和冲洗?
- Lampshade is in extrusion forming with high purity aluminum. 灯罩采用高纯度铝材挤压成型,反光效率高,不会脱色;
- Calcium carbonate in the form of stalactites or stalagmites. 钟乳石形成乳石或石笋的碳酸钙
- The EDX spectrum shows that the nano-zinc sulfide has high purity. EDX能谱表明该法制备的纳米硫化锌具有较高的纯度。
- 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