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- How many electrons has a magnesium atom in its outer layer? 镁原子的最外层有多少个电子?
- The chief differences between chlorophyll and heme are the presence of a magnesium atom in the center of the porphyrin ring. 叶绿素和血红素之间的主要的差别为在卟啉环中心存在一个镁原子。
- With acid treatment leaves, H + easy access to the chloroplast, the replacement of magnesium atom to form magnesium chlorophyll, the leaves were brown. 用酸处理叶片，H+易进入叶绿体，置换镁原子形成去镁叶绿素，使叶片呈褐色。
- These hydrogen atoms bonded with the magnesium atoms that were supposed to promote hole mobility, preventing them from doing their jobs properly. 这些由镁原子环绕的氢原子应该是提升正电穴的动能的，但却阻碍了他们正常工作。
- Calculation of the Energy Level of the Ground State of Magnesium Atom 镁原子基态能量的计算
- The atom bomb is of catholic concern. 原子弹受到普遍的关注。
- That cannot get up an atom of sympathy for them. 那并不能激发起人们对他们的丝毫同情。
- Scientists have unlocked the secret of the atom. 科学家已经揭开了原子的秘密。
- The particles in an atom are infinitely small. 原子里的粒子极小。
- There isn't an atom of truth in the rumour. 谣言中没有丝毫的真实性。
- An atom bomb would destroy a city. 一颗原子弹能摧毁一座城市。
- The chief differences between chlorophyll and heme are the presence of a magnesium atom in the center of the porphyrin ring 叶绿素和血红素之间的主要的差别为在卟啉环中心存在一个镁原子。
- No matter what substance it may be, it is made up of atom. 不管这是什么物质，都由原子构成。
- There was not an atom of evidence to convince him. 没有一点能使他信服的证据。
- The atom bomb is the offspring of the 20th century physics. 原子弹是20世纪物理学的产物。
- Magnesium is the nutrient element in plant growth. 镁是植物生长的营养要素。
- Ignite the magnesium ribbon using a micro burner. 用微型灯点着镁带。
- The first atom bomb was set off over Hiroshima. 第一颗原子弹是在广岛上空爆炸的。
- A magnesium mine is also being developed. 一个镁矿也正在开发。
- No one has ever seen the inside of an atom. 没有人曾经看见过原子的内部。
