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相关概念视频

Testing Water Quality01:14

Testing Water Quality

423
When the quality of water for concrete preparation is uncertain, its impact on the setting time of cement and compressive strength of mortar is assessed by comparison with de-ionized or distilled water benchmarks. American Society for Testing and Materials (ASTM) C1602 requires the setting times to be within 90 minutes of the control, British Standard (BS) 3146:1980 allows a 30-minute variance in the initial setting, while British Standards European Norm (BS EN) 1008 specifies initial setting...
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Quality of Water01:19

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In concrete preparation, the quality of water is paramount as it affects the strength and durability of the concrete. Potable water is usually preferred; however, it must not have excessive sodium or potassium to prevent compromising the concrete's integrity. Water quality is typically evaluated based on impurities such as dissolved solids, chlorides, and sulfates, and its pH value is ideally between 6 and 8. Even slightly acidic natural water may be acceptable unless it contains harmful...
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GPS surveying methods vary in application, accuracy, and data collection techniques, catering to diverse surveying and mapping needs. Static GPS, kinematic GPS, and real-time kinematic (RTK) surveying are widely used. Each technique offers distinct advantages.Static GPS involves placing one receiver at a known reference point and another at the target point. It collects exact positional data by observing multiple satellite ranges over an extended period, achieving centimeter-level accuracy for...
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A Geographic Information System (GIS) combines specialized software and hardware to effectively manage, analyze, and present spatial and related data. GIS software includes critical functionalities such as a user interface for easy navigation, database management tools for handling spatial and attribute data, and data retrieval features for efficient access. Analytical tools transform raw data into insights, while display functions produce maps and reports in various formats for effective...
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无人机可部署的开源传感器节点,用于空间和时间的现场水质监测和绘制地图.

Matthew Burnett1, Mohamed Abdelwahab1, Joud N Satme1

  • 1Department of Mechanical Engineering, University of South Carolina, Columbia, SC 29208, USA.

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概括
此摘要是机器生成的。

由无人机 (UAV) 部署的低成本,开源的传感器节点可以实时,空间解析的水质监测. 该系统提供了一个可访问的工具,用于评估地表水的状况和绘制污染的地图.

关键词:
无人机部署部署无人机部署数据驱动的水质绘制水质地图.在现场传感器.开源硬件是开源的硬件空间插值 (Kriging) 的方法评估地表水质量的评估.水质监测 监测水质的水质.

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科学领域:

  • 环境科学 环境科学
  • 传感器技术 传感器技术
  • 水生生态系统 水生生态系统

背景情况:

  • 有效的水质管理需要具有成本效益的,空间分辨的监测.
  • 现有的方法可能很昂贵,缺乏实时,高分辨率的数据.
  • 保护水生生态系统需要不断评估地表水的状况.

研究的目的:

  • 开发一个低成本的,开源的传感器节点,用于无人机部署.
  • 允许实时,现场评估主要地表水质量参数.
  • 为了证明系统对空间分辨率水质映射的能力.

主要方法:

  • 集成pH,度,温度和总溶解固体 (TDS) 的传感器.
  • 车载数据记录与实时时钟 (RTC) 同步.
  • 通过实验室测试和现场部署与普通Kriging插值进行验证.

主要成果:

  • 传感器节点的成本约为200美元,实现了较低的验证错误 (pH:1.34%,TDS:5.23%,温度:0.81%).
  • 实现了42小时的连续运行.
  • 现场部署成功地绘制了pH (6.0-6.7),度 (11-18 NTU),TDS (44-51 ppm) 和温度 (22.8-24.6 °C) 的空间梯度.

结论:

  • 这种开源的,可以部署在无人机上的传感器节点为实时水质监测提供了具有成本效益的解决方案.
  • 该系统有效地解决了空间水质变化,促进了详细的绘图.
  • 这个可访问的平台支持以社区为基础和以研究为导向的水生生态系统评估.