نتایج جستجو برای: fire resistant
تعداد نتایج: 234522 فیلتر نتایج به سال:
In petrochemical plant facilities handling highly inflammable and combustible substances, it is necessary to preferentially review the frame type (closed or open) of facility with consideration various fire conditions that may arise depending on substances being handled. Accordingly, a simulation was carried out in this study for different by assuming three types, spatial temperature distributi...
Large shifts in species ranges have been predicted under future climate scenarios based primarily on niche-based species distribution models. However, the mechanisms that would cause such shifts are uncertain. Natural and anthropogenic fires have shaped the distributions of many plant species, but their effects have seldom been included in future projections of species ranges. Here, we examine ...
There is a substantial amount of carbon stored in the permafrost soils of boreal forest ecosystems, where it is currently protected from decomposition. The surface organic horizons insulate the deeper soil from variations in atmospheric temperature. The removal of these insulating horizons through consumption by fire increases the vulnerability of permafrost to thaw, and the carbon stored in pe...
Due to the need of good thermal performance, external wall insulation (EWI) is usually made materials that are not fire resistant and sometimes flammable. That restricts its application a particular circumstance such as limited building height. Hence, material with resistance performance would allow EWI be more widely applied. This paper introduces novel material: silica-based aerogel porous bo...
Recent work suggests that hydraulic mechanisms, rather than cambium necrosis, may account for rapid post-fire tree mortality. We experimentally tested for xylem cavitation, as a result of exposure to high-vapour-deficit (D) heat plumes, and permanent xylem deformation, as a result of thermal softening of lignin, in two tree species differing in fire tolerance. We measured percentage loss of con...
Fire safety is a critical concern in various industries necessitating the development of sustainable and effective fire-resistant materials. Sustainable polysaccharide-based composite aerogels are regarded as an innovative solution fire applications, such, research this field has increased consistently over past few years. Despite plethora literature on important subject, only studies have atte...
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