نتایج جستجو برای: water vapour
تعداد نتایج: 556568 فیلتر نتایج به سال:
The SCanning Imaging Absorption spectroMeter for Atmospheric CHartographY (SCIAMACHY) aboard the Envisat satellite provided measurements from August 2002 until April 2012. SCIAMACHY measured the scattered or direct sunlight using different observation geometries. The limb viewing geometry allows the retrieval of water vapour at about 10-25 km height from the near-infrared spectral range (1353-1...
I have spoken of a knowledge of the strength of the vapour as being essential to a correct determination of the state of the patient at all times: and this brings us to the apparatus for the administration of the vapour, as, without a suitable one, the proportions of air and of vapour cannot be determined. I had the honour of shewing that these proportions could be easily and precisely controll...
Where there is sucient water storage in the soil the water potential Wx in shoots of Norway spruce [Picea abies (L.) Karst.] is strongly governed by the vapour pressure de®cit of the atmosphere, while the mean minimum values of Wx usually do not drop below ÿ1:5 MPa under meteorological conditions in Estonia. If the base water potential Wb is above ÿ0:62 MPa, the principal factor causing wa...
Changes in the 2H and 18O of atmospheric water vapour provide information for integrating aspects of gas exchange within forest canopies. In this study, we show that diurnal fluctuations in the oxygen isotope ratio (delta 18O) as high as 4% per hundred were observed for water vapour (delta (18)Ovp) above and within an old-growth coniferous forest in the Pacific Northwest region of the United St...
A Monte Carlo simulation study of water and hydrocarbons aiming at understanding the degradation of polyethylene cable insulation is presented. Atomistic simulations of water, hydrocarbons and ions are presented. The SPC/E and TraPPE potential functions are used. The equilibrium distributions and clustering of water in vapour and in hydrocarbons was investigated using Gibbs-ensemble Monte-Carlo...
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