neutrons

简明释义

英[ˈnjuːtrɒnz]美[ˈnuːtrɑnz]

n. [核]中子（neutron 的复数）

英英释义

单词用法

同义词

反义词

例句

1.It has 125 assistants to the neutron, it has 75 vice neutrons and 111 assistants to the vice neutrons.

周围有125个辅助中子，有75个副中子和，111个辅助副中子。

2.So, this has got protons and neutrons.

这里面有质子和中子。

3.An atom itself is a complete whole, with its electrons, protons and neutrons and other elements.

原子本身是个整体，含电子、质子、中子以及其他组成部分。

4.The upper plate absorbs neutrons, and the lower plate reflects them.

上平板用于吸收中子，下板可以反弹它们。

5.The fission process would be controlled using neutrons produced by a linear accelerator's proton beam.

该裂变过程会利用直线加速器质子束产生的中子加以控制。

6.This basic equation is used to describe how neutrons accumulate.

这个基本的等式是用来描述中子如何积累的过程。

7.Now, because we're only interested in those neutrons that end up with this energy going in our direction.

现在，因为我们不只对那些最后，是在这个方向上得到能量的，中子感兴趣。

8.The stability of an atomic nucleus depends on the balance between protons and neutrons (中子).

原子核的稳定性取决于质子和neutrons（中子）之间的平衡。

9.Scientists use neutrons (中子) to probe the structure of materials in neutron scattering experiments.

科学家在中子散射实验中使用neutrons（中子）来探测材料的结构。

10.In nuclear reactors, the fission of uranium atoms releases energy by splitting them and emitting neutrons (中子).

在核反应堆中，铀原子的裂变通过分裂它们并释放neutrons（中子）来释放能量。

11.The discovery of neutrons (中子) by James Chadwick was a significant milestone in nuclear physics.

詹姆斯·查德威克发现neutrons（中子）是核物理学的重要里程碑。

12.When neutrons (中子) collide with nuclei, they can cause further reactions in a chain reaction.

当neutrons（中子）与原子核碰撞时，它们可以引发链反应中的进一步反应。

作文

In the study of atomic structure, understanding the role of neutrons is crucial. Neutrons, which are subatomic particles found in the nucleus of an atom, play a significant role in determining the stability of an atom. Unlike protons, which carry a positive charge, neutrons are electrically neutral. This neutrality allows them to contribute to the mass of an atom without affecting its charge. The presence of neutrons helps to balance the repulsive forces between positively charged protons within the nucleus, thus maintaining the integrity of the atom.The discovery of neutrons was a pivotal moment in the field of physics. James Chadwick, a British physicist, discovered neutrons in 1932, which led to a deeper understanding of atomic structure. Prior to this discovery, scientists only recognized protons and electrons as the fundamental components of atoms. The identification of neutrons allowed for the development of more advanced theories about atomic behavior and interactions.One of the most important aspects of neutrons is their role in nuclear reactions. In nuclear fission, for example, when a heavy nucleus splits into smaller nuclei, it releases a significant amount of energy. This process often involves neutrons being emitted, which can then collide with other nuclei, causing them to undergo fission as well. This chain reaction is the principle behind nuclear power and atomic bombs. Understanding how neutrons behave in these reactions is essential for both harnessing nuclear energy and ensuring safety in nuclear facilities.Furthermore, neutrons are also used in various applications beyond energy production. In medicine, neutron therapy is a form of cancer treatment that utilizes neutrons to target tumors more effectively than traditional radiation therapies. The unique properties of neutrons allow them to penetrate tissues differently, making them valuable in treating certain types of cancers.In materials science, neutrons are utilized in neutron scattering experiments. These experiments help scientists understand the structure and dynamics of materials at the atomic level. By bombarding a material with neutrons, researchers can gather information about the arrangement of atoms and the interactions between them. This knowledge is vital for developing new materials with specific properties for various industries, including electronics, aerospace, and nanotechnology.In conclusion, neutrons are not just passive components of atomic structure; they are active participants in numerous scientific fields. Their unique characteristics enable them to play a vital role in nuclear physics, medicine, and materials science. As research continues to advance, our understanding of neutrons will undoubtedly lead to new discoveries and innovations that can benefit society as a whole. Emphasizing the importance of neutrons in various applications highlights the interconnectedness of scientific disciplines and the ongoing quest for knowledge in the atomic world.

在原子结构的研究中，理解中子的作用至关重要。中子是存在于原子核中的亚原子粒子，在决定原子的稳定性方面发挥了重要作用。与带正电荷的质子不同，中子是电中性的。这种中性使它们能够在不影响电荷的情况下贡献原子的质量。中子的存在有助于平衡原子核内带正电的质子之间的排斥力，从而维持原子的完整性。中子的发现是物理学领域的一个重要时刻。英国物理学家詹姆斯·查德威克于1932年发现了中子，这导致对原子结构的更深理解。在此发现之前，科学家只认识到质子和电子是原子的基本组成部分。中子的识别为关于原子行为和相互作用的更高级理论的发展奠定了基础。中子最重要的方面之一是它们在核反应中的作用。例如，在核裂变中，当一个重核分裂成较小的核时，它释放出大量能量。这个过程通常涉及中子的释放，这些中子随后可以与其他核碰撞，导致它们也发生裂变。这个链式反应是核能和原子弹背后的原理。理解中子在这些反应中的行为对于利用核能和确保核设施的安全至关重要。此外，中子在能源生产之外还用于各种应用。在医学中，中子治疗是一种利用中子更有效地针对肿瘤的癌症治疗方法。中子的独特性质使其能够以不同的方式穿透组织，使其在治疗某些类型的癌症时具有价值。在材料科学中，中子用于中子散射实验。这些实验帮助科学家了解材料在原子水平上的结构和动态。通过用中子轰击材料，研究人员可以收集有关原子排列及其相互作用的信息。这一知识对于开发具有特定属性的新材料在各个行业（包括电子、航空航天和纳米技术）中至关重要。总之，中子不仅仅是原子结构的被动组成部分；它们还是众多科学领域的积极参与者。它们的独特特性使它们在核物理学、医学和材料科学中发挥至关重要的作用。随着研究的不断进展，我们对中子的理解无疑将导致新的发现和创新，造福整个社会。强调中子在各种应用中的重要性突显了科学学科之间的相互联系，以及在原子世界中对知识的持续追求。