Results 71 to 80 of about 333,618 (331)

Assessing ventilation through ambient carbon dioxide concentrations across multiple healthcare levels in Ghana.

open access: yesPLOS Global Public Health
Infection prevention and control (IPC) measures safeguard primary healthcare systems, especially as the infectious disease landscape evolves due to climate and environmental change, increased global mobility, and vaccine hesitancy and inequity, which can
Cecilia Crews   +6 more
doaj   +1 more source

Indoor air quality in multifamily buildings

open access: yesBudownictwo i Architektura, 2013
The applicable legislation connected with the natural ventilation are ambiguous and sometimes contradictory. This leads to serious problems with natural ventilation.
Marek Telejko   +2 more
doaj   +1 more source

Natural ventilation in underground wine cellars [PDF]

open access: yes, 2012
The main objective of this research is to promote passive thermal design techniques in the construction of wineries. Natural ventilation in underground cellars is analyzed, focusing on the entrance tunnel, the ventilation chimney and the cave.
Cañas Guerrero, Ignacio   +3 more
core  

The Space Within: How Architected Voids Promote Tissue Formation

open access: yesAdvanced Materials, EarlyView.
This review explores the role of void spaces in tissue engineering scaffolds and examines four key methods for introducing porosity into hydrogels at different scales. It discusses sacrificial templating, microgels, phase separation, and 3D printing, highlighting principles, advantages, and limitations. It also addresses emerging strategies integrating
Anna Puiggalí‐Jou   +3 more
wiley   +1 more source

Evaluating the Ventilation Performance of Single-Span Plastic Greenhouses with Continuous Screened Side Openings

open access: yesAgronomy
Natural ventilation is the most cost-effective environmental control method for protected horticulture. To overcome the issues associated with high temperatures in greenhouses, analyzing their ventilation characteristics and maximizing their natural ...
Hyung-Kweon Kim
doaj   +1 more source

A Novel Method of Cooperating with Natural Ventilation and Heat Pump to Control the Thermal Noise of Super High-rise Elevator Shaft

open access: yesZhileng xuebao, 2021
The chimney effect in a super high-rise elevator shaft is significant in winter, which may cause difficulty in opening and closing the elevator doors and can produce obvious aerodynamic noise.
Chun Liang   +4 more
doaj  

Performance of natural, exhaust, demand controlled exhaust and heat recovery residential ventilation systems as prescribed by the standards in 5 European countries [PDF]

open access: yes, 2013
Over the last decades, residential ventilation standards have been integrated in most of the buildings codes of European countries. Contrarily to the consolidation effort in the development of the nonresidential ventilation standard EN 13779, most of the
Janssens, Arnold   +3 more
core   +1 more source

The natural ventilation of unheated ‘closed rooms’ [PDF]

open access: yesEpidemiology and Infection, 1946
The experimental method for, and analysis of, more than 300 determinations of air influx rates into two unheated ‘closed rooms’ of opposite aspects each fitted (a) with wall grating, or (b) with flue, are described. The average relative efficacy for all observed wind velocities of (a) of 50 sq.in.
openaire   +3 more sources

Application of Natural Ventilation in Metal Mine Ventilation System [PDF]

open access: yesProceedings of the 2015 International Conference on Mechanical Science and Engineering, 2016
With the increase of mining depth, heat harm is becoming more and more serious, paper established series of fan operating parameters model, designed energy-saving system of use natural ventilation to solve mine thermal harm, combined ventilation remote monitoring and natural ventilation, and innovated the mechanical-natural ventilation system ...
Qinglei Qinglei Tan   +1 more
openaire   +1 more source

RAMUS: Printable, Mechanically‐Tunable and Biodegradable Cellulose‐Mediated Composites

open access: yesAdvanced Materials Interfaces, EarlyView.
Ramus, a Latin term meaning “branch,” develops large‐scale, ambient conditions additively manufactured, and biodegradable cellulose‐based biomaterial composites able to mediate their structural capacity from micro to macroscale. Abstract Ramus develops large‐scale, ambient conditions additively manufactured, and biodegradable cellulose‐based ...
Laia Mogas‐Soldevila   +5 more
wiley   +1 more source

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