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- He postulated that the carbon reacts initially with the sulfate to form calcium sulfide. 他认为碳最初和硫酸盐反应生成硫化钙。
- Then,calcium sulfide was acidulated and decomposed by carbon dioxide to produce hydrogen sulfide. 通过单因素分析和正交实验设计，确定硫化钙碳酸化制备硫化氢的最佳工艺参数。
- The Production of Hydrogen Sulfide by Carbonation of Crude Calcium Sulfide 粗硫化钙碳化生产硫化氢气体小试
- Calcium treatment changes the shape of sulfide. 采用钙处理改变了硫化物的形态;
- I have a slight calcium deficiency. 我有点缺钙。
- He postulated that the carbon reacts initially with the sulfate to form calcium sulfide 他认为碳最初和硫酸盐反应生成硫化钙。
- 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。
- calcium sulfide 硫化钙
- A bright red mercuric sulfide used as a pigment. 银朱，朱砂用作颜料的一种鲜红色的硫化汞
- 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。
- These effects are antagonizeed by sodium sulfide. 这些效果被硫化钠中和了。
- Any of various natural metallic sulfide minerals, especially of iron. 硫化矿类一种自然金属硫化矿，尤指铁矿
- A sulfide compound containing at least two sulfur atoms per molecule. 多硫化物每个分子中至少含有两个硫原子的一种硫化物
- Red mercuric sulfide used as a pigment. 朱红色用作颜料的红色硫化汞
- Strongly acid peat soils are often low in calcium. 强酸性泥炭土常呈现低钙。
- The removal rate of sulfide is high. 硫化物的去除率很高。
- Pyroxenes and amphiboles also contain calcium. 辉石与闪石也含有钙。
- Calcium is good to the growth of your bones. 钙有助于你的骨骼生长。
