Results 41 to 50 of about 10,339,308 (200)

How green is my operation theater?

open access: yesSaudi Journal of Anaesthesia, 2014
Objective: To ascertain the awareness regarding global warming and the anesthesia practices contributing to it in the city of Delhi. Materials and Methods: A questionnaire was circulated amongst the qualified anesthesiologists (consultants and senior ...
Nishant Kumar   +3 more
doaj   +1 more source

Time Effects of Global Change on Forest Productivity in China from 2001 to 2017

open access: yesPlants, 2023
With global warming, the concentrations of fine particulate matter (PM2.5) and greenhouse gases, such as CO2, are increasing. However, it is still unknown whether these increases will affect vegetation productivity.
Jiangfeng Wang, Yanhong Li, Jie Gao
doaj   +1 more source

Approaches for mitigating the environmental impact of greenhouse horticulture [PDF]

open access: yes, 2010
Greenhouse horticulture creates environmental issues of different kinds. Use of energy for heating and lighting and pollution by pesticides and nutrients are major known problems, but impacts on the landscape and light emissions from supplementary ...
Bergstrand, Karl-Johan
core   +1 more source

The greenhouse effect

open access: yesSurveys in Geophysics, 1992
The greenhouse effect on the Earth is identified by the difference between the effective radiating temperature of the planet and its surface temperature. The difference between the energy emitted by the surface and that emitted upward to space by the upper atmosphere quantifies it; it can therefore be defined as the long wave energy trapped in the ...
A. Berger, Ch. Tricot
openaire   +3 more sources

DIRIGINDO O OLHAR PARA O EFEITO ESTUFA NOS LIVROS DIDÁTICOS DE ENSINO MÉDIO: É SIMPLES ENTENDER ESSE FENÔMENO?

open access: yesEnsaio Pesquisa em Educação em Ciências
Os livros didáticos, pela disponibilidade e acesso, são uma fonte importante de pesquisa para o professor de Ensino Médio, ao selecionar conteúdos e preparar suas aulas.
Anderson Cezar Lobato   +4 more
doaj   +1 more source

Hydrological controls on the tropospheric ozone greenhouse gas effect

open access: yesElementa: Science of the Anthropocene, 2017
The influence of the hydrological cycle in the greenhouse gas (GHG) effect of tropospheric ozone (O3) is quantified in terms of the O3longwave radiative effect (LWRE), which is defined as the net reduction of top-of-atmosphere flux due to total ...
Le Kuai   +4 more
doaj   +1 more source

Shading screens for the improvement of the night time climate of unheated greenhouses

open access: yesSpanish Journal of Agricultural Research, 2013
The objective of this work was to study the effect of shading screens, normally used during the day for cooling purposes, on the night-time climate of unheated greenhouses.
J. I. Montero   +5 more
doaj   +1 more source

Untersuchung einiger langer deutscher Temperaturreihen

open access: yesMeteorologische Zeitschrift, 1992
Während globale Temperaturreihen, die zur Verifizierung des von numerischen Modellen prognostizierten anthropogenen Treibhauseffekts benötigt werden, nur 100 bis 120 Jahre zurückreichen, liegen aus Mitteleuropa einige Temperaturmeßreihen vor, die vor ...
G. Müller-Westermeier
doaj   +1 more source

Greenhouse effect [PDF]

open access: yes, 1982
A fiberglass greenhouse was built on the roof of a mobile home in Central Florida. It was learned that direct sunlight is essential for proper winter operation and ventilation is required during hot months to prevent overheating. (LEW)
openaire   +2 more sources

Optimal greenhouse cultivation control: survey and perspectives [PDF]

open access: yes, 2010
: A survey is presented of the literature on greenhouse climate control, positioning the various solutions and paradigms in the framework of optimal control.
Straten, G., van   +3 more
core   +1 more source

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