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A spray tank system is engineered to uniformly distribute a pest-control liquid across plants by using a pressurized mechanism. The tank, pressurized to 150 kPa, holds the pesticide at a height of 0.80 meters. Liquid flows from the tank through a 1.9 meter pipe with a diameter of 0.015 meters, angled at 0.698 radians, ultimately reaching a 0.007 meter nozzle that sprays the pesticide. Accurate calculation of the system's flow rate is crucial to ensure uniform application, and this is...
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通过使用机器人模拟来估计喷雾产品的暴露.

Mi K Shin1, Hua Qian1, Jee-Eun Lee2

  • 1ExxonMobil Biomedical Sciences Inc., 1545 Route 22 East, Annandale, NJ 08801, United States.

Annals of work exposures and health
|September 5, 2023
PubMed
概括

一个机器人手臂模仿了人类使用喷雾产品来测量吸入挥发性有机化合物 (VOC) 的暴露. 这种方法为公共卫生风险评估提供了关键数据,尤其是面料防护喷雾剂.

关键词:
空气采样采样空气采样曝光数据曝光数据的数据.面料保护器 面料保护器玻璃清洁器 玻璃清洁器挥发性有机化合物 挥发性有机化合物

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科学领域:

  • 环境健康 环境健康
  • 职业安全 在职业安全.
  • 毒理学 毒理学 毒理学

背景情况:

  • 准确的暴露数据对于准确的风险估计和公共卫生保护至关重要.
  • 用于个人监控的人类研究是资源密集型的,并且具有挑战性.
  • 机器人模拟为收集暴露数据提供了一个可行的替代方案.

研究的目的:

  • 开发和验证一种机器人方法,用于评估吸入挥发性有机化合物 (VOC) 的暴露.
  • 在使用面料工艺保护剂 (FCP) 和玻璃清洁剂 (GC) 时测量VOC.
  • 为改善健康和安全风险评估提供暴露数据.

主要方法:

  • 一个机器人手臂被编程来模拟人类喷FCP和喷/擦拭GC.
  • 在机器人使用产品时进行空气采样,以测量VOC度.
  • 收集的数据与类似产品的现有文献值进行了比较.

主要成果:

  • 平均VOC度:FCP喷时为1.57 ppm,GC喷/擦拭时为0.17 ppm.
  • 测量了特定的VOCs:在使用FCP时测量了乙 (0.88 ppm) 和异醇 (0.26 ppm);在使用GC时测量了2-butoxyethanol (0.15 ppm).
  • GC数据与人类使用的文献值保持一致;FCP数据提供了新的见解.

结论:

  • 机器人模拟是一种有效和系统的方法,用于生成可靠的吸入暴露数据.
  • 这种方法提高了从喷雾产品中暴露于VOC的特征.
  • 该研究支持通过更好的风险评估方法来改善公共卫生保护.