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- Fractionation mechanism, analytical method and its applications in environmental geochemistry of calcium isotopes are summarized in this paper. 概述了钙同位素分馏机理、分析测定以及在环境地球化学研究中的应用。
- 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。
- Calcium isotopes 钙同位素
- Isotopes that emit radioactive particles; a stove emitting heat. 发射出放射性粒子的同位素; 发出热量的炉子
- Later he named these separate forms isotopes. 后来他称这些不同的形式为同位素。
- 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。
- Tritium is one of the mildest radioactive isotopes. 氚是辐射最和缓的放射性同位素之一。
- Limestone is rock composed of calcium carbonate. 石灰石是由碳酸钙所构成的岩石。
- U235,U238,and U239 are three isotopes of uranium. 铀235、铀238和铀239是铀的三种同位素。
- Xenon possesses nine stable isotopes. 疝具有九种稳定的同位素。
- 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。
- 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。
- Isotopes which give off rays are known sa radioisotopes. 辐射出射线的同位素被为放射性同位素。
- 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。
- The breakdown of radioactive isotopes goes on at constant rates. 放射性同位素的衰变在恒定的速率下进行。