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Related Concept Videos

Quality of Water01:19

Quality of Water

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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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Quality Control01:05

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Quality control is one of the three cyclical quality assurance activities that help keep a system under statistical control. Typical quality control activities include creating quality control charts, conducting proficiency testing, and documenting and archiving results.
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Quality Assurance01:19

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Quality assurance is the overarching term used to describe the activities employed to ensure the proper performance of a system. These activities can be classified into three categories: quality control, quality assessment, and internal corrective measures. Typically, these activities work cyclically: quality control is performed before and during the analysis, while quality assessment occurs during and after the investigation. Internal corrective measures are implemented based on the findings...
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Pulse amplitude and quality01:17

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Pulse amplitude is a crucial indicator of cardiac health because it provides valuable insights into the strength of left ventricular contractions and the overall uniformity of blood circulation within the vasculature. The strength of the pulse is directly related to the force with which the heart contracts and the volume of blood being pumped.
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Testing Water Quality01:14

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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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As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a pathway to maintain and improve human life now while also ensuring that future generations will have the resources that they need. The long-term success of sustainability efforts rests on understanding the interplay between human actions and ecological systems.
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Portable Intermodal Preferential Looking IPL: Investigating Language Comprehension in Typically Developing Toddlers and Young Children with Autism
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How to develop a comprehensive Mangrove Quality Index?

Faridah-Hanum Ibrahim1, Fatimah Mohd Yusoff2,3, Anwar Fitrianto4

  • 1Faculty of Forestry, Universiti Putra Malaysia, 43400, UPM Serdang, Selangor, Malaysia.

Methodsx
|July 20, 2019
PubMed
Summary
This summary is machine-generated.

A new comprehensive mangrove quality index (MQI) was developed using ecological and socio-economic factors. This index provides a better assessment of mangrove ecosystem health for improved management strategies.

Keywords:
FormulationHow to develop a comprehensive mangrove quality index?IndicatorMangrove healthPCA

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Area of Science:

  • Ecology
  • Environmental Science
  • Socio-economics

Background:

  • Existing mangrove health indices lack comprehensiveness.
  • An integrated ecological-socio-economic approach is needed for a holistic assessment.
  • Mangrove ecosystems provide critical ecological and economic services.

Purpose of the Study:

  • To develop a comprehensive index for assessing mangrove ecosystem health.
  • To integrate biological, hydrological, ecological, and socio-economic variables.
  • To create a classification system for mangrove quality.

Main Methods:

  • Explored key ecological and socio-economic variables.
  • Utilized Principal Component Analysis (PCA) to select 10 significant metrics.
  • Developed a Mangrove Quality Index (MQI) and category-specific indices (MQIS).

Main Results:

  • Selected variables include biomass, crab abundance, soil carbon/nitrogen, phytoplankton/diatom diversity, dissolved oxygen, turbidity, education, and fishing time.
  • Two indices, MQIS and MQI, were successfully developed.
  • Mangrove quality was classified on a scale of 1 (worst) to 5 (excellent).

Conclusions:

  • The developed MQI offers a comprehensive method for classifying mangrove ecosystem health.
  • This index can guide management decisions for improving mangrove quality.
  • The integration of ecological and socio-economic factors provides a more robust assessment.