atom

简明释义

英[ˈætəm]美[ˈætəm]

n. 原子；微量，极小量

复 数 a t o m s

英英释义

单词用法

同义词

反义词

例句

1.That is to say in a given atom.

也就是说对于一个给定的原子。

2.Such united atom approximations have been used in simulations of biological membranes.

这种联合原子近似已被用于生物膜的模拟。

3.I don't believe there's an atom of meaning in it.

我不相信这里面有任何意义。

4.He patented the idea that the atom could be split.

他得到了原子可以分裂的这个见解的专利。

5.Well, I could put atom one here.

好，我可以在这里放一个原子。

6.They take an atom of lead, accelerate it, and have it collide with an atom of nickel.

他们选取一个铅原子，将其加速，让它与镍的原子碰撞。

7.The smallest unit of matter is an atom.原子

物质的最小单位是一个原子。

8.Every element on the periodic table is made up of atoms.原子

元素周期表上的每个元素都是由原子组成的。

9.In chemistry, we study how atoms combine to form molecules.原子

在化学中，我们研究原子如何结合形成分子。

10.An atom consists of protons, neutrons, and electrons.原子

一个原子由质子、中子和电子组成。

11.The nucleus of an atom contains most of its mass.原子

一个原子的原子核包含了大部分质量。

作文

The concept of the atom (原子) is fundamental to our understanding of matter and the universe. An atom (原子) is the smallest unit of an element that retains the properties of that element. Every material substance in the universe is composed of atoms (原子), making them the building blocks of all matter. The study of atoms (原子) is essential in fields such as chemistry, physics, and even biology. Historically, the idea of the atom (原子) dates back to ancient Greece, where philosophers like Democritus proposed that everything is made up of tiny indivisible particles called atoms (原子). However, it wasn't until the 19th century that scientists began to provide experimental evidence for the existence of atoms (原子). John Dalton's atomic theory, which suggested that each element is made up of its own unique atom (原子), laid the groundwork for modern chemistry. In the early 20th century, advancements in technology allowed scientists to explore the structure of the atom (原子) in greater detail. Ernest Rutherford’s gold foil experiment revealed that atoms (原子) consist of a dense nucleus surrounded by a cloud of electrons. This discovery was pivotal as it showed that atoms (原子) are not indivisible but rather composed of smaller particles: protons, neutrons, and electrons. The nucleus of an atom (原子) contains positively charged protons and uncharged neutrons, while negatively charged electrons orbit around the nucleus. The arrangement of these subatomic particles determines the chemical properties of an atom (原子) and how it interacts with other atoms (原子). For example, the number of protons in the nucleus defines the element itself; hydrogen has one proton, while carbon has six. Understanding atoms (原子) also leads us to the concept of isotopes, which are variants of elements that have the same number of protons but different numbers of neutrons. This is significant in various applications, including medicine and archaeology. Carbon-14 dating, for instance, uses the radioactive isotope of carbon to determine the age of ancient organic materials. In addition to their role in chemistry, atoms (原子) play a crucial part in the physical sciences. Quantum mechanics, a branch of physics that deals with the behavior of atoms (原子) and subatomic particles, has revolutionized our understanding of the microscopic world. It explains phenomena such as electron orbitals and the dual particle-wave nature of atoms (原子). Moreover, the study of atoms (原子) has practical applications in technology. The development of semiconductors, lasers, and even nuclear energy relies on our understanding of atoms (原子) and their interactions. As we continue to explore the quantum realm, we uncover new possibilities for innovation and discovery. In conclusion, the atom (原子) is a vital concept that bridges multiple scientific disciplines. From ancient philosophy to modern science, our understanding of atoms (原子) has evolved dramatically, yet their significance remains unchanged. They are not just the building blocks of matter; they are the key to unlocking the mysteries of the universe. As we delve deeper into the world of atoms (原子), we continue to expand our knowledge and capabilities, shaping the future of science and technology.

对物质和宇宙的理解，atom（原子）这一概念是基础。atom（原子）是保留该元素特性的最小单位。宇宙中的每种物质都是由atom（原子）组成的，使其成为所有物质的构建块。研究atom（原子）在化学、物理甚至生物学等领域至关重要。 历史上，atom（原子）的概念可以追溯到古希腊，当时的哲学家如德谟克利特提出万物由微小的不可分割的粒子组成，即atom（原子）。然而，直到19世纪，科学家们才开始为atom（原子）的存在提供实验证据。约翰·道尔顿的原子理论提出每种元素由其独特的atom（原子）组成，为现代化学奠定了基础。 在20世纪初，科技的进步使科学家能够更详细地探讨atom（原子）的结构。欧内斯特·卢瑟福的金箔实验揭示了atom（原子）由一个致密的原子核和环绕其周围的电子云组成。这一发现至关重要，因为它表明atom（原子）并非不可分割，而是由更小的粒子组成：质子、中子和电子。 atom（原子）的核包含带正电的质子和不带电的中子，而带负电的电子则围绕核旋转。这些亚原子粒子的排列决定了atom（原子）的化学性质以及它与其他atom（原子）的相互作用。例如，核中质子的数量定义了元素本身；氢有一个质子，而碳有六个。 了解atom（原子）还引出了同位素的概念，同位素是指具有相同质子数但中子数不同的元素变体。这在医学和考古学等多个应用中具有重要意义。例如，碳-14测年法使用碳的放射性同位素来确定古代有机材料的年龄。 除了在化学中的作用外，atom（原子）在物理科学中也扮演着至关重要的角色。量子力学是研究atom（原子）和亚原子粒子行为的物理学分支，已经彻底改变了我们对微观世界的理解。它解释了电子轨道和atom（原子）的波粒二象性等现象。 此外，atom（原子）的研究在技术中也有实际应用。半导体、激光甚至核能的发展都依赖于我们对atom（原子）及其相互作用的理解。随着我们继续探索量子领域，我们揭示了创新和发现的新可能性。 总之，atom（原子）是连接多个科学学科的重要概念。从古代哲学到现代科学，我们对atom（原子）的理解发生了巨大变化，但它们的重要性始终未变。它们不仅是物质的构建块；它们是解锁宇宙奥秘的关键。随着我们深入探讨atom（原子）的世界，我们不断扩展我们的知识和能力，塑造科学和技术的未来。