نتایج جستجو برای: fire resistance

تعداد نتایج: 416364  

2014
M. C. Yew N. H. Ramli Sulong M. K. Yew M. A. Amalina M. R. Johan

This paper aims to synthesize and characterize an effective intumescent fire protective coating that incorporates eggshell powder as a novel biofiller. The performances of thermal stability, char formation, fire propagation, water resistance, and adhesion strength of coatings have been evaluated. A few intumescent flame-retardant coatings based on these three ecofriendly fire retardant additive...

2016
Taolin Zhang Xiaodong Zhou Lizhong Yang

This work investigated experimentally and theoretically the fire hazards of thermal-insulation materials used in diesel locomotives under different radiation heat fluxes. Based on the experimental results, the critical heat flux for ignition was determined to be 6.15 kW/m² and 16.39 kW/m² for pure polyurethane and aluminum-polyurethane respectively. A theoretical model was established for both ...

2006
Scott L. Stephens William J. Libby

Fire is a common ecosystem process in many landscapes of western North America. Each landscape has a unique set of properties such as fuel arrangement, load, weather, ignitions, cultural history and topography that will influence fire behaviour and effects. These characteristics will have an impact on the probability that a particular area will be subjected to low-moderate intensity fires, stan...

Journal: :Antimicrobial agents and chemotherapy 2009
Fabio Rezzonico Virginia O Stockwell Brion Duffy

Streptomycin is used in plant agriculture for bacterial disease control, particularly against fire blight in pome fruit orchards. Concerns that this may increase environmental antibiotic resistance have led to bans or restrictions on use. Experience with antibiotic use in animal feeds raises the possible influence of formulation-delivered resistance genes. We demonstrate that agricultural strep...

Journal: :Fire 2023

Using lightweight fire-rated board (LFRB) presents cost-effective opportunities for various passive fire protection measures. The aim of the project is to develop an LFRB with enhanced resistance, acoustic properties, and mechanical properties. These properties were determined using a Bunsen burner, furnace, energy-dispersive X-ray, impedance tube instrument, Instron universal testing machine. ...

Journal: :Bureau of Standards Journal of Research 1929

2007
ANNA L. JACOBSEN R. BRANDON PRATT FRANK W. EWERS STEPHEN D. DAVIS

Resistance to xylem cavitation depends on the size of xylem pit membrane pores and the strength of vessels to resist collapse or, in the case of freezing-induced cavitation, conduit diameter. Altering these traits may impact plant biomechanics or water transport efficiency. The evergreen sclerophyllous shrub species, collectively referred to as chaparral, which dominate much of the mediterranea...

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