| 1. | Pyroxenes and amphiboles also contain calcium .
辉石与闪石也含有钙。
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| 2. | Strongly acid peat soils are often low in calcium .
强酸性泥炭土常呈现低钙。
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| 3. | Limestone is rock composed of calcium carbonate .
石灰石是由碳酸钙所构成的岩石。
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| 4. | They are alumino-silicates of sodium, potassium and calcium .
它们都是钾和钙的铝硅酸盐类。
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| 5. | Additions of organic matter to soil hasten calcium losses .
土壤增施有机质会促进钙的损失。
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| 6. | They may be exacerbated by a simultaneous deficiency of calcium .
由于同时缺乏钙而使之恶化。
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| 7. | At high calcium concentration they fuse without lysis .
在钙离子浓度高时，他们融合而不解体。
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| 8. | Thus there is a greater calcium need to immobilize the oxalate .
因而需要较大量钙去固定草酸。
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| 9. | Calcium cyanamide is poisonous and irritating to the skin .
氰氨化钙是毒性物质，对皮肤有刺激性。
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| 10. | It was found that calcium reduced elongation of cucumber hypocotyls .
有人发现，钙能抑制黄瓜胚轴的伸长。
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