quadrupole

简明释义

英[ˈkwɒdrəpəʊl]美[ˈkwɑːˈdruːpoʊl]

n. [电磁] 四极

adj. 四极的

英英释义

单词用法

同义词

反义词

例句

1.Quadrupole splittings of the imperfections and the double-resonance process are analyzed in this paper.

缺陷的四极能级劈裂和双共振的过程在文中进行了分析。

2.Quadrupole mass spectrometer can be used in measuring pressure of dividing and analysis composition of material.

四极质谱计在真空技术中可用来测量分压强，从事物质成分的分析。

3.The designing principle is that the E-field longitudinal distribution and the local quadrupole cut-off frequency should be kept as constant as possible.

其设计原则是尽可能地保持电场的纵向分布和四极截止频率保持不变。

4.Quadrupole mass spectrometer was used to analyze the plasma environment of RF magnetron sputtering PTFE target with pulsed bias.

采用四极质谱仪测量了试验参数对高压脉冲增强射频磁控溅射ptfe靶等离子体气氛的影响规律。

5.It was quadrupole since abolished-Kyushu, Nu Wa Sky after the rare good day.

那是自四极废，九州裂，女娲补天之后出现的难得的好日子。

6.The system can be used to measure the offset of the beam position monitor (BPM) with respect to the magnetic center of a quadrupole.

利用该系统可以测量束流位置检测器的电中心相对相邻四极铁磁中心的位置偏移。

7.This data system possesses advantages of being simple, low-cost, stable and convenient to be with quadrupole spectrometer.

该系统配置简单、工作稳定、成本低、与质谱计连结方便。

8.Calculated results indicate that the quadrupole radiation expression can be derived out naturally as a specific conclusion of this paper.

计算结果表明，通常的引力四极辐射的表达式可作为本文的特殊情况而自然得出。

9.These results are valuable reference for the experiment of parametric excitation in a quadrupole trap.

这些结果对四极阱参变激发的实验有较好的参考价值。

10.The physicist explained how the quadrupole 四极子 field can be used to manipulate charged particles in a collider.

物理学家解释了如何利用四极子 quadrupole场来操控对撞机中的带电粒子。

11.In the design of accelerators, engineers often rely on quadrupole 四极子 magnets to focus beams of particles.

在加速器的设计中，工程师们常常依赖四极子 quadrupole磁铁来聚焦粒子束。

12.The quadrupole 四极子 configuration is critical for achieving high precision in mass spectrometry.

在质谱分析中，四极子 quadrupole配置对于实现高精度至关重要。

13.Researchers are developing new quadrupole 四极子 systems to improve the sensitivity of their measurements.

研究人员正在开发新的四极子 quadrupole系统，以提高其测量的灵敏度。

14.The stability of the quadrupole 四极子 trap allows for longer observation times of ionized particles.

该四极子 quadrupole陷阱的稳定性允许对离子化粒子进行更长时间的观察。

作文

In the realm of physics and engineering, the term quadrupole refers to a specific type of multipole, which is characterized by its four poles. This concept is crucial in various applications, particularly in fields such as electromagnetism and particle physics. Understanding the nature and function of a quadrupole can provide insights into how complex systems operate and interact with one another. A quadrupole can be visualized as a configuration of charges or magnetic poles that produce a field with a distinct pattern. Unlike dipoles, which have two poles, or monopoles, which have one, quadrupoles create a more intricate field due to their four poles. This complexity allows for a variety of applications, including in mass spectrometry and ion trapping, where precise control over charged particles is essential. One of the most common examples of a quadrupole in action is the quadrupole mass filter, which is used extensively in analytical chemistry. This device utilizes the electric fields generated by the four poles to selectively filter ions based on their mass-to-charge ratio. By adjusting the voltages applied to the poles, scientists can manipulate the trajectories of ions, allowing only those with specific characteristics to pass through. This ability to isolate particular ions makes the quadrupole mass filter an invaluable tool in both research and industry. Moreover, quadrupoles are not limited to just mass spectrometry; they are also utilized in particle accelerators. In these high-energy environments, quadrupole magnets are employed to focus and steer beams of charged particles. The magnetic fields created by these quadrupoles help maintain the stability of the particle beams, ensuring that they remain tightly focused as they travel at near-light speeds. This application highlights the importance of quadrupoles in advancing our understanding of fundamental particles and forces in the universe. In addition to practical applications, the theoretical study of quadrupoles also plays a significant role in modern physics. Researchers explore the mathematical models that describe how quadrupoles behave under various conditions, leading to a deeper understanding of electromagnetic fields and interactions. These studies often involve complex equations and simulations, reflecting the sophisticated nature of quadrupoles and their impact on physical phenomena. Furthermore, the design and construction of quadrupole devices require a meticulous approach. Engineers must consider factors such as the alignment of the poles, the materials used, and the precision of the electrical components involved. Any slight deviation can lead to significant errors in the performance of the quadrupole, underscoring the need for careful calibration and testing. In conclusion, the term quadrupole encompasses a rich array of concepts and applications within physics and engineering. From its role in mass spectrometry to its use in particle accelerators, the quadrupole serves as a critical component in our toolkit for exploring and understanding the natural world. As technology continues to advance, the significance of quadrupoles will likely grow, paving the way for new discoveries and innovations that rely on the intricate behaviors of these fascinating structures.

在物理和工程领域，术语quadrupole指的是一种特定类型的多极体，其特点是具有四个极。这一概念在各种应用中至关重要，特别是在电磁学和粒子物理学等领域。理解quadrupole的性质和功能可以为我们提供关于复杂系统如何运作和相互作用的深入见解。 quadrupole可以被视为一种电荷或磁极的配置，它产生具有独特模式的场。与只有两个极的偶极子不同，或者只有一个极的单极子，quadrupole由于其四个极而产生更复杂的场。这种复杂性使得它在包括质谱分析和离子捕获等多种应用中变得重要，在这些领域中，对带电粒子的精确控制至关重要。 quadrupole在实际应用中的一个常见例子是quadrupole质谱滤波器，这在分析化学中被广泛使用。该设备利用四个极产生的电场根据质量-电荷比选择性地过滤离子。通过调整施加在极上的电压，科学家们可以操纵离子的轨迹，从而允许只有具有特定特征的离子通过。这种隔离特定离子的能力使得quadrupole质谱滤波器成为研究和工业中不可或缺的工具。 此外，quadrupoles不仅限于质谱分析；它们还被用于粒子加速器。在这些高能环境中，quadrupole磁铁被用来聚焦和引导带电粒子束。这些quadrupole产生的磁场有助于保持粒子束的稳定性，确保它们在接近光速的情况下保持紧密聚焦。这一应用突显了quadrupoles在推动我们理解宇宙中基本粒子和力方面的重要性。 除了实际应用外，quadrupoles的理论研究也在现代物理学中发挥着重要作用。研究人员探讨描述quadrupoles在各种条件下行为的数学模型，从而加深对电磁场和相互作用的理解。这些研究通常涉及复杂的方程和模拟，反映出quadrupoles的复杂性质及其对物理现象的影响。 此外，quadrupole设备的设计和构造需要细致入微的方法。工程师必须考虑极的对齐、所使用的材料以及相关电气组件的精确度。任何微小的偏差都可能导致quadrupole性能的重大误差，强调了仔细校准和测试的必要性。 总之，术语quadrupole涵盖了物理和工程领域内丰富的概念和应用。从其在质谱分析中的作用到在粒子加速器中的使用，quadrupole作为我们探索和理解自然世界的工具箱中的关键组成部分。随着技术的不断进步，quadrupoles的重要性可能会进一步增长，为依赖这些迷人结构复杂行为的新发现和创新铺平道路。