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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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Responses to Drought and Flooding02:41

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Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
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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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Responses to Salt Stress02:02

Responses to Salt Stress

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Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.
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Adaptations that Reduce Water Loss01:57

Adaptations that Reduce Water Loss

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Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.
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Regulation of Water Output01:26

Regulation of Water Output

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The human body predominantly expels water through the urinary system. On average, an individual generates around 1.5 liters of urine each day. This amount can fluctuate based on how well a person is hydrated, but a critical minimum quantity of urine must be produced to ensure the body's proper functioning. Daily, the kidneys remove 600 to 1200 milliosmoles of dissolved substances, effectively excreting excess minerals and water-soluble toxins such as creatinine, urea, and uric acid from the...
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Concentration of Virus Particles from Environmental Water and Wastewater Samples Using Skimmed Milk Flocculation and Ultrafiltration
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Water Professionals Reflect on Pandemic Response.

John Alston, Jesse Burch, Joe Duncan

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    Summary
    This summary is machine-generated.

    The COVID-19 pandemic severely challenged the water sector. Water professionals shared strategies for maintaining essential operations during this unprecedented global health crisis.

    Keywords:
    AWWAEmergency PlanningRevenuesUtility Management

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    Area of Science:

    • Environmental science
    • Public health
    • Water resource management

    Background:

    • The COVID-19 pandemic presented unique and significant challenges to the global water sector.
    • Maintaining consistent water and wastewater services is critical for public health and economic stability.

    Purpose of the Study:

    • To document the challenges faced by water professionals during the COVID-19 pandemic.
    • To identify and share effective strategies employed by the water sector to ensure operational continuity.

    Main Methods:

    • A roundtable discussion was convened with various water sector professionals.
    • Qualitative insights were gathered on operational challenges and adaptive strategies.

    Main Results:

    • Professionals reported difficulties in workforce management, supply chain disruptions, and implementing new health protocols.
    • Key strategies included enhanced communication, flexible work arrangements, and prioritizing critical infrastructure maintenance.

    Conclusions:

    • The water sector demonstrated resilience and adaptability in response to the pandemic.
    • Sharing best practices is crucial for strengthening the sector's preparedness for future crises.