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Related Concept Videos

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A weir is a hydraulic structure designed to partially obstruct an open channel, enabling precise control and measurement of water flow. By forcing water to flow over or through it, a weir allows for accurate determination of discharge rates, making it an essential tool in water resource management. These structures are extensively used in regulating river flows, irrigation systems, and flood control channels.Types of Weirs and Their FeaturesWeirs are categorized primarily into sharp-crested and...
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A wedge is a simple machine that serves various purposes, such as adjusting the elevation of structural or mechanical parts, providing stability for heavy objects, and splitting a body into two parts. This versatile tool can amplify an applied force, making it easier to manipulate large or heavy objects.
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Light enters the eye through the cornea, a transparent, dome-shaped surface covering the surface of the eyeball that helps to direct and focus incoming light. This light is then channeled toward the pupil, an adjustable opening whose size is controlled by the iris. The iris, a pigmented muscle, regulates the amount of light entering the eye by contracting or dilating the pupil, thereby ensuring optimal light levels for clear vision.
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Water flow in open channels is often measured using hydraulic structures such as weirs, which allow precise calculation of discharge. In a rectangular channel, flow rates are measured using three types of weirs: rectangular sharp-crested, triangular sharp-crested, and broad-crested. The weir head is set at a fixed height above the channel bottom, simplifying calculations and enabling the relationship between depth and flow rate to be analyzed.For the rectangular sharp-crested weir, the flow...
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Updated: Mar 8, 2026

A Web Tool for Generating High Quality Machine-readable Biological Pathways
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WebWise.

Roger Evans1

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Nursing Standard (Royal College of Nursing (Great Britain) : 1987)
|January 13, 2017
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Summary
This summary is machine-generated.

The NHS Choices swine flu portal offers a comprehensive resource on influenza A(H1N1) for the public and healthcare professionals. It provides daily updates during the pandemic.

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Area of Science:

  • Public Health
  • Infectious Diseases

Background:

  • The 2009 H1N1 influenza pandemic necessitated accessible and reliable information.
  • Public health organizations play a crucial role in disseminating timely information during health crises.

Purpose of the Study:

  • To describe the establishment and function of the NHS Choices swine flu portal.
  • To highlight the portal as a key resource for influenza A(H1N1) information.

Main Methods:

  • Creation of a dedicated online portal by NHS Choices.
  • Daily updates to content regarding swine flu (influenza A(H1N1)).

Main Results:

  • The portal serves as a comprehensive resource for both the general public and healthcare professionals.
  • Information is continuously updated to reflect the evolving pandemic situation.

Conclusions:

  • The NHS Choices portal is an invaluable tool for managing public and professional understanding of swine flu.
  • Timely and centralized information is critical during a global influenza pandemic.