نتایج جستجو برای: water vapour
تعداد نتایج: 556568 فیلتر نتایج به سال:
Comfort properties of clothing are one the main indicators quality and have been widely investigated in past decades. This research concentrates on water vapour permeability nylon pantyhose, by examining behaviours relaxed state, as well under extension knits 100 %, comparative to wear conditions above %. Permetest apparatus was used measure according standard ISO 11092. The results indicate th...
New laboratory measurements and theoretical calculations of integrated line intensities for water vapour bands in the near-infrared and visible (8500-15800 cm) are summarised. Band intensities derived from the new measured data show a systematic 6 to 26% increase compared to calculations using the HITRAN-96 database. The recent corrections to the HITRAN database [Giver et al., J. Quant. Spectro...
Atmospheric pressure non-equilibrium water vapour plasma technology was developed, tested and partly employed for fuel conversion and production of hydrogen-rich gas. The results of experimental investigation on plasma source characteristics dependent on the anode material and prevailing external factors are presented. The effect of plasma source anode material on the elemental composition of e...
rapid screening of apple genotypes for drought tolerance by a simplified model of canopy conductance
expansion of apple growing to dry areas requires reliable approaches to select genotypes tolerant to water stress. we have simulated apple tree transpiration (ec) from different commercial orchards and compared it with actual transpiration (ea) derived from sap flow measurements. the modelling approach lies in rearranging a parameterized p–m equation and incorporating in it a stomatal conductan...
The breath alcohol concentration (BrAC) standardized to the alveolar water vapour concentration has been shown to closely predict the arterial blood alcohol (ethanol) concentration (ABAC). However, a transient increase in the ABAC/BrAC ratio has been noted, when alcohol is absorbed from the gastrointestinal tract (absorption phase) and the ABAC rapidly rises. We analysed the plot of simultaneou...
In a previous paper Hey and Maurice (1968) have reported the effect of changes of relative humidity on the heat production and heat loss in normal naked babies in a specially constructed metabolic chamber under controlled environmental conditions. In order to evaluate the clinical relevance of these observations we have studied the control of relative humidity that could be achieved in three co...
For fiber reinforced resin matrix composites, void is a common defect which can seriously deteriorate the properties of composite parts. Voids form and grow during composite fabrication, so the processing parameters must be carefully controlled to avoid this defect. In hot melt prepreg/autoclave process, hygroscopic water absorbed by prepreg is believed to be the main source of voids, especiall...
In this work we explore the effect of the contribution of the solar spectrum to the recorded signal in wavelengths outside the typical 940-nm filter’s bandwidth. We employ gaussian-shaped filters as well as actual filter transmission curves, mainly AERONET data, to study the implications imposed by the non-zero out-of-band contribution to the coefficients used to derive precipitable water from ...
Evaporation is ubiquitous in nature. This process influences the climate, the formation of clouds, transpiration in plants, the survival of arctic organisms, the efficiency of car engines, the structure of dried materials and many other phenomena. Recent experiments discovered two novel mechanisms accompanying evaporation: temperature discontinuity at the liquid–vapour interface during evaporat...
A workshop was held in the framework of the ACCENT (Atmospheric Composition Change – a European Network) Joint Research Programme on “Aerosols” and the Programme on “Access to Laboratory Data”. The aim of the workshop was to hold “Gordon Conference” type discussion covering accommodation and reactive uptake of water vapour and trace pollutant gases on condensed phase atmospheric materials. The ...
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