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- It is shown that calcium carbonate can be decomposed in aqueous sodium dichromate solution and transformed to calcium chromate at ambient pressure and boiling temperature. 介绍了一种制取铬酸钙的新方法,利用重铬酸钠溶液分解碳酸钙,可以得到高纯度的铬酸钙。
- Dissolution kinetics of calcium chromate and its solubilities measurement 铬酸钙溶解动力学研究及溶解度测定
- PREPARATION OF CALCIUM DICHROMATE FROM CALCIUM CHROMATE BY CARBONATION 铬酸钙碳化制备重铬酸钙
- Manufacture of Calcium Chromate from Decomposition of Calcium Carbonate in Aqueous Sodium Dichromate Solution 重铬酸钠溶液分解碳酸钙制取铬酸钙
- Keywords calcium chromate;calcium carbonate;sodium dichromate;decomposition;preparation; 铬酸钙;碳酸钙;重铬酸钠;分解;制备;
- I have a slight calcium deficiency. 我有点缺钙。
- Calcium is beneficial to our bones. 钙对我们的骨骼有益。
- The child has a calcium deficiency. 那孩子缺钙。
- strontium calcium chromate 铬酸锶钙
- calcium chromate 铬酸钙
- anhydrous calcium chromate 无水铬酸钙
- The boilers will have to be scoured out to remove the calcium deposits. 锅炉内壁要洗刷一下，除去钙质沉淀物。
- Limestone is rock composed of calcium carbonate. 石灰石是由碳酸钙所构成的岩石。
- Strongly acid peat soils are often low in calcium. 强酸性泥炭土常呈现低钙。
- Pyroxenes and amphiboles also contain calcium. 辉石与闪石也含有钙。
- Two-stage chromate reduction has been used at several plants. 一些厂已采用两段铬酸盐还原法。
- Calcium is good to the growth of your bones. 钙有助于你的骨骼生长。
- Calcium is absent from his diet. 他的饮食中缺乏钙质。
- To lose calcium or calcium compounds. 脱去钙，脱去钙化合物
- Calcium is found most abundantly in milk. 奶含钙最丰富。
