laser diagnostics

简明释义

激光诊断

英英释义

例句

1.In the lab, laser diagnostics are essential for measuring gas concentrations accurately.

在实验室中，激光诊断对于准确测量气体浓度至关重要。

2.The research team used laser diagnostics to analyze the combustion process in the engine.

研究小组使用激光诊断分析发动机中的燃烧过程。

3.The aerospace industry benefits greatly from laser diagnostics for testing new materials.

航空航天行业在测试新材料时极大受益于激光诊断。

4.Using laser diagnostics, the scientists were able to study the flow patterns of the fluid.

通过使用激光诊断，科学家们能够研究流体的流动模式。

5.The laser diagnostics technique helped identify the source of the leak in the pipeline.

该激光诊断技术帮助识别了管道泄漏的来源。

作文

In recent years, the field of science and technology has witnessed remarkable advancements, particularly in the area of measurement and analysis. One such advancement that stands out is the use of laser diagnostics. This innovative technique involves the application of laser technology to analyze various physical and chemical properties of materials and environments. By employing lasers, scientists and engineers can obtain precise measurements that were previously difficult or impossible to achieve.The principle of laser diagnostics is based on the interaction of laser light with matter. When a laser beam is directed at a target, it can be scattered, absorbed, or emitted by the material. By analyzing these interactions, researchers can deduce valuable information about the sample's composition, structure, and dynamics. For example, in combustion research, laser diagnostics is used to measure temperature, velocity, and concentration of species in flames, providing insights into the efficiency of fuel combustion and pollutant formation.One of the significant advantages of laser diagnostics is its non-intrusive nature. Traditional measurement techniques often require physical contact with the sample, which can alter its properties or disturb the system being studied. In contrast, laser-based methods allow for remote sensing, enabling scientists to gather data without interfering with the natural state of the sample. This feature is particularly useful in applications such as environmental monitoring, where maintaining the integrity of the ecosystem is crucial.Moreover, laser diagnostics offers high spatial and temporal resolution. The ability to capture rapid changes in physical phenomena makes it an invaluable tool in dynamic studies. For instance, in fluid mechanics, researchers can utilize laser diagnostics to visualize flow patterns and measure velocities at incredibly fast time scales. This capability enhances our understanding of complex systems, such as turbulence and mixing processes.Applications of laser diagnostics span across various fields, including aerospace, automotive, and biomedical engineering. In the aerospace industry, laser diagnostics is employed to optimize engine performance and reduce emissions by providing real-time data on combustion processes. Similarly, in the automotive sector, it aids in the development of cleaner and more efficient engines by analyzing exhaust emissions and improving fuel injection systems.In the biomedical field, laser diagnostics plays a critical role in medical imaging and diagnostics. Techniques such as laser-induced fluorescence and Raman spectroscopy enable healthcare professionals to detect diseases at early stages by analyzing biological samples. These methods offer high sensitivity and specificity, making them essential tools in modern medicine.Despite its numerous advantages, the implementation of laser diagnostics is not without challenges. The complexity of laser systems and the need for specialized training can limit their widespread adoption. Additionally, the cost of laser equipment can be prohibitive for some research institutions. However, ongoing advancements in technology are gradually making laser diagnostics more accessible and affordable.In conclusion, laser diagnostics represents a significant leap forward in measurement and analysis techniques. Its ability to provide accurate, non-intrusive, and high-resolution data has transformed various scientific and engineering disciplines. As technology continues to evolve, we can expect to see even broader applications of laser diagnostics, paving the way for new discoveries and innovations that will benefit society as a whole.

近年来，科学和技术领域见证了显著的进步，特别是在测量和分析方面。其中一个突出进展是使用激光诊断。这一创新技术涉及激光技术在分析材料和环境的各种物理和化学特性中的应用。通过采用激光，科学家和工程师可以获得以前难以或不可能实现的精确测量。激光诊断的原理基于激光光与物质的相互作用。当激光束指向目标时，它可能被材料散射、吸收或发射。通过分析这些相互作用，研究人员可以推断出关于样品组成、结构和动态的重要信息。例如，在燃烧研究中，激光诊断用于测量火焰中的温度、速度和物质浓度，从而提供对燃料燃烧效率和污染物形成的深入了解。激光诊断的一大显著优势是其非侵入性。传统测量技术通常需要与样品接触，这可能会改变其属性或干扰被研究的系统。相比之下，基于激光的方法允许远程传感，使科学家能够在不干扰样品自然状态的情况下收集数据。这一特性在环境监测等应用中尤为重要，因为保持生态系统的完整性至关重要。此外，激光诊断还提供高空间和时间分辨率。捕捉物理现象快速变化的能力使其成为动态研究中的宝贵工具。例如，在流体力学中，研究人员可以利用激光诊断可视化流动模式并在极快的时间尺度上测量速度。这种能力增强了我们对复杂系统（如湍流和混合过程）的理解。激光诊断的应用跨越多个领域，包括航空航天、汽车和生物医学工程。在航空航天工业中，激光诊断用于优化发动机性能和减少排放，通过提供燃烧过程的实时数据。类似地，在汽车行业，它通过分析废气排放和改善燃油喷射系统来帮助开发更清洁、更高效的发动机。在生物医学领域，激光诊断在医学成像和诊断中发挥着关键作用。诸如激光诱导荧光和拉曼光谱等技术使医疗专业人员能够通过分析生物样本在早期阶段检测疾病。这些方法具有高灵敏度和特异性，使其成为现代医学的基本工具。尽管有众多优点，激光诊断的实施并非没有挑战。激光系统的复杂性和对专业培训的需求可能限制其广泛采用。此外，激光设备的成本对于一些研究机构来说可能过高。然而，技术的持续进步正在逐渐使激光诊断变得更加可及和经济。总之，激光诊断代表了测量和分析技术的重大飞跃。它提供准确、非侵入性和高分辨率数据的能力已改变了各个科学和工程学科。随着技术的不断发展，我们可以期待激光诊断的更广泛应用，为新的发现和创新铺平道路，从而使整个社会受益。