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相关概念视频

Electronic Distance Measuring Instruments01:30

Electronic Distance Measuring Instruments

Electronic Distance Measuring Instruments (EDMs) are essential tools in modern surveying, offering precise distance measurements by emitting electromagnetic signals and calculating the time required for these signals to travel to a target and return. Two primary types of signals are used in EDMs — light waves and microwaves — each suited to specific environmental and distance requirements. Light-wave-based EDMs utilize either infrared or laser light, providing high accuracy over short distances...

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相关实验视频

Updated: Jun 15, 2026

Author Spotlight: Non-Invasive Imaging of Complex Bio-Structures Using Polarization-Sensitive Two-Photon Microscopy
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使用光学传感器进行远程美洲检测:用于高效的基于PLS的建模的D-最佳策略.

Luke R Sadergaski1, Jeffrey D Einkauf1, Jennifer M Pyles2

  • 1Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA.

Sensors (Basel, Switzerland)
|November 27, 2025
PubMed
概括
此摘要是机器生成的。

一个新的光纤光谱系统可以实时监测核溶液中的美洲 (Am(III)) 和酸 (HNO3). 这种非侵入式传感器使用替代元素 (Nd(III) 进行有效的工艺控制和安全.

关键词:
亚丁化的行为化物.美国的.化学测量方法 化学测量方法实验设计 实验设计光学光谱学是指光学光谱学.

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科学领域:

  • 核化学与工程 核化学与工程
  • 分析化学 分析化学
  • 频谱学是一种光谱学.

背景情况:

  • 对核工艺安全和控制而言,精确监测活性化物溶液至关重要.
  • 分析乙化物度的传统方法可能具有侵入性和耗时性.
  • 开发非侵入性的实时监控技术对于先进的核应用是必不可少的.

研究的目的:

  • 展示一套光纤光谱系统,用于远程量化和HNO3.
  • 验证在工艺监测中使用 (Nd(III)) 作为Am(III) 的光学替代品.
  • 建立一个灵活的校准策略,使用多变量模型的D-最佳设计.

主要方法:

  • 在手套箱内开发光纤可见近红外吸收光谱系统.
  • 部分最小平方回归 (PLSR) 模型 (PLS1和PLS2) 的应用用于量化.
  • 采用D-最佳设计,最初是为Nd(III开发的,扩展到Am(III) 系统.

主要成果:

  • 该系统成功地用高精度量化了Am(III) (0-500μM) 和HNO3 (0.1-9M).
  • 三与三具有强烈的光谱相似性,证实其作为有效的光学替代品的作用.
  • 对于Am(III) 和HNO3的PLS1模型显示出比PLS2更好的性能,即使存在干扰性U(VI).

结论:

  • 展示的光纤光谱系统提供了一个非侵入性,实时的解决方案,用于监测actinide工艺解决方案.
  • D-最佳设计方法有效地将样本大小最小化,同时保持强大的模型性能.
  • 这项技术为核应用中的过程监控提供了一种灵活,可扩展和安全的方法.