نتایج جستجو برای: moisture absorbent materials
تعداد نتایج: 474373 فیلتر نتایج به سال:
All modern vapor anesthetics are capable of carbon monoxide (CO) production as a result of interaction with desiccated strong base containing carbon dioxide absorbents. In desiccated absorbents, desflurane produces the highest concentrations of CO. Sevoflurane is known to produce the nephrotoxic compound A (CA) independently from water content of the carbon dioxide absorbent. The purpose of thi...
Urinary incontinence is a multi-factorial condition that has a high impact on older persons living in nursing homes. While urinary incontinence is common, only a small percentage of nursing home residents have an official diagnosis. Factors influencing urinary incontinence in this population are poorly understood. The aim of this study was to evaluate the prevalence of urinary incontinence in N...
Abstract Heat and Moisture Transfer (HMT) simulations are used to evaluate moisture related damage risks in building envelopes. HMT commonly performed accepting the hypothesis of not considering hysteresis materials. The results simulation a timber wall with presented, compared three simplified models, showing effects on assessment risk decay. content is most influenced variable, while temperat...
Postsynthetic covalent modification of metal-organic frameworks (MOFs) with long alkyl substituents is shown to protect these materials against moisture. These MOFs, which normally display hydrophilic properties, are readily converted into hydrophobic or superhydrophobic materials. Overcoming the inherent sensitivity of MOFs to water represents a major step forward in their widespread use in te...
The simulation of heat and moisture transfer represents an essential resource in designing energy efficient buildings. In this paper a time-dependent wall model, consisting of several homogeneous domains, with third-type boundary conditions imposed on the surfaces, is implemented in the COMSOL Multiphysics environment. Temperature and moisture content is calculated inside the construction for d...
Leaks represent a very important hazard for the buildings and they can affect all sorts of building materials and specially wood due to its hygroscopic properties. Excessive moisture content can affect in a negative way building processes such as the installation of wooden floors or the use of wood as a structural material. Moisture meters can provide prompt and non-destructive determination of...
A description of ionic transport in unsaturated porous materials due to gradients in the electro–chemical potential and the moisture content is developed by averaging the relevant microscopic transport equations over a representative volume element. The complete set of equations consists of time-dependent equations for both the concentration of ionic species within the pore solution and the moi...
Photothermal methods constitute a convenient approach for the nondestructive quality control of industrial materials because they are rapid and noninvasive. One such application is the monitoring of moisture in unseasoned lumber for drying mill process control. This paper describes a photothermal method for the analysis of moisture in wood by measuring its surface temperature rise under laser r...
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