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Related Concept Videos

Curing of Concrete01:20

Curing of Concrete

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The hydration of cement takes place within the water-filled capillary pores. However, environmental elements can disrupt this process by evaporating water from the concrete surfaces. Sealed concrete with a water-cement ratio below 0.5 experiences self-desiccation, leading to water loss. The water loss in concrete is mitigated by curing. This technique involves keeping the concrete saturated to maintain the necessary temperature and moisture conditions, to optimally fill the spaces in the cement...
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Curing Methods01:26

Curing Methods

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Concrete members with a small surface-to-volume ratio are cured by oiling and moistening the forms before casting the concrete member. These forms can be left in place for a prolonged period to prevent moisture loss, and can be wetted if made of a material suitable for wetting. If the forms are removed early, the concrete member is moistened and covered with polythene sheets to maintain moisture. For large horizontal concrete surfaces exposed to dry weather, a temporary covering is suspended...
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Bioequivalence Experimental Study Designs: Completely Randomized and Randomized Block Designs01:20

Bioequivalence Experimental Study Designs: Completely Randomized and Randomized Block Designs

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Body:Bioequivalence experimental study designs are crucial methodologies used in evaluating and comparing the bioavailability of different drug products. These designs are categorized into various types: completely randomized, randomized block, repeated measures, cross and carry-over, and Latin square designs.Completely randomized designs involve randomly allocating treatments to all subjects participating in the experiment. This allocation is achieved by assigning unique random numbers to...
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Accelerated Curing of Concrete01:25

Accelerated Curing of Concrete

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Accelerating concrete curing is achieved by applying heat and additional moisture. This process accelerates the hydration of the cement, resulting in an earlier strength gain in the concrete. Steam curing is a method wherein the concrete products are either transported through a chamber on a conveyor belt or encased in plastic, allowing steam at atmospheric pressure to circulate freely around them. This process begins with a phase of moist curing that typically lasts between 3 to 5 hours, after...
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Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

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This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
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Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
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Related Experiment Video

Updated: Feb 6, 2026

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0Phobia - towards a virtual cure for acrophobia: study protocol for a randomized controlled trial.

T Donker1,2, S Van Esveld3, N Fischer4,5

  • 1Department of Clinical, Neuro and Developmental Psychology, Faculty of Movement- and Behavioral Sciences, Section Clinical Psychology, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands. t.donker@vu.nl.

Trials
|August 11, 2018
PubMed
Summary

This study evaluates 0Phobia, a smartphone app using virtual reality exposure therapy (VRET) for acrophobia. The gamified VRET aims to provide an affordable and accessible treatment option for fear of heights.

Keywords:
AcrophobiaApp-basedGamificationSerious gamesSpecific phobiaVirtual reality

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Area of Science:

  • Digital health interventions
  • Virtual reality in psychology
  • Phobia treatment

Background:

  • Virtual Reality Exposure Therapy (VRET) is effective for specific phobias but costly and inaccessible.
  • Smartphone applications (apps) offer potential for scalable VRET delivery.
  • Acrophobia (fear of heights) affects a significant portion of the population.

Purpose of the Study:

  • To evaluate 0Phobia, a gamified, self-guided VRET smartphone app for acrophobia.
  • To assess the efficacy and user-friendliness of this novel treatment modality.
  • To determine if 0Phobia improves symptoms of anxiety, depression, and mastery.

Main Methods:

  • 180 participants with acrophobia randomized to 0Phobia app or waitlist control.
  • 3-week intervention including psychoeducation, VR exposure, and cognitive techniques.
  • Online assessments at baseline, post-intervention, and 3-month follow-up.

Main Results:

  • Primary outcome: Acrophobia Questionnaire scores.
  • Secondary outcomes: user-friendliness, anxiety, depression, and mastery.
  • Study aims to demonstrate effectiveness of app-based VRET.

Conclusions:

  • 0Phobia leverages technology for an affordable and scalable acrophobia treatment.
  • This approach may significantly improve access to mental health interventions.
  • Novel digital tools can enhance the reach of evidence-based therapies.