protons的例句（protons在句子中的用法）

• Electrons are negatively charged with electricity,protons are positively charged. 电子是带负电荷的,质子是带正电荷的。
• A substance donates protons to some other substance. 一物质向其他物质提供质子.
• Electrons are negatively charged with electricity, protons are positively charged. 电子是带负电荷的, 质子是带正电荷的.
• The nucleus of an atom consists of neutrons, protons and other particles. 原子核由中子 、 质子和其他粒子构成.
• 30 years ago, scientists came up with the theory that protons and neutrons are composed of three smaller particles. 30年前，科学家们提出了质子和中子是由三种更小的粒子组成的理论。
• The neutrons and protons form the core of the atom. 中子和质子构成了原子核.
• Each atomic cluster is made up of neutrons and protons. 原子簇是由中子和质子构成的。
• Neutrons and protons are bound together in the nucleus of an atom. 在原子核里，中子和质子是结合在一起的。
• An atom itself is a complete whole, with its electrons, protons and neutrons and other elements... 一个原子本身就是一个完整的整体，包括电子、质子、中子及其他元素。
• Protons are nearly 2000 times as heavy as electrons. 质子的质量几乎是电子的2,000倍。
• ...protons and electrons trapped by magnetic forces in the Van Allen belts. 范艾伦辐射带的磁力俘获的质子和电子