نتایج جستجو برای: including 300 hectares historical fabrics
تعداد نتایج: 1152247 فیلتر نتایج به سال:
Carbon-based fibres hold promise for preparing multifunctional fabrics with electrical conductivity, thermal conductivity, permeability, flexibility and lightweight. However, these fabrics are of limited performance mainly because of the weak interaction between fibres. Here we report non-woven graphene fibre fabrics composed of randomly oriented and interfused graphene fibres with strong inter...
Knitted textiles have been used in medical applications due to their high flexibility and low tendency to fray. Their mechanics has, however, received limited attention compared to woven fabrics used as technical textiles e.g. in aerospace and as composite reinforcements. A constitutive model for soft tissue using a strain energy function was extended, by including shear and increasing the numb...
Introduction: Previous work on smaller complex craters less than 20 km in diameter [1-4] has uncovered a petrogenetic (deformation/modification) sequence expressed by cross-cutting relationships between deformation fabrics in target rocks. This sequence is most apparent in the uplifted rocks of crater floors (i.e. central peaks/uplifts). The deformation fabrics that have been studied include ma...
Mosaic landscapes under shifting cultivation, with their dynamic mix of managed and natural land covers, often fall through the cracks in remote sensing-based land cover and land use classifications, as these are unable to adequately capture such landscapes' dynamic nature and complex spectral and spatial signatures. But information about such landscapes is urgently needed to improve the outcom...
Use of new techniques to evaluate irrigation areas can enhance water use efficiency in agriculture. In this study, the fuzzy analytic hierarchy Process (FAHP) was used to qualitative land suitability for sprinkler irrigation and was compared with the parametric method. Evaluation based on parametric method showed that an area of about 1597.83 hectares (31%) of the lands was highly suitable (S1)...
The persistence of vaccinia virus on wool (blanket and gabardine) and cotton (sheeting, terry cloth, and knit jersey) fabrics was studied. The fabrics were exposed to the virus by three methods: direct contact, aerosol, and virus-containing dust having a high content of textile fibers. Fabrics exposed to virus by each method were held in 35 and 78% relative humidities at 25 C. Virus was recover...
Low-pressure oxygen and argon plasmas were used to pre-treat nylon fabrics, and the modified fabrics, together with the raw fabrics, were subsequently coated with single walled carbon nanotubes (SWCNTs) by a dip-drying process. Scanning electron microscopy (SEM) and Raman spectroscopy analyses indicated the attachment of SWCNTs onto nylon fabrics. After the coating with SWCNTs, the plasma modif...
The European chestnut, Castanea sativa Mill, covers a total area of 2.53 million hectares two million of which are chestnut forests, i.e. forests where chestnut is the dominant tree species, being the remaining 0.53 million hectares devoted to fruit production (20.9% of the total chestnut-growing area). Chestnut fruit production in Europe declined considerably during the XX century to the curre...
Abstract This paper provides an overview of the recent definition, technologies and current trends regarding 3D fabrics. In this a definition fabrics, including spacer is given weaving, braiding, weft warp knitting tailored fiber placement are presented. Furthermore, latest developments in fabrics at Institut für Textiltechnik RWTH Aachen University presented including: large circular knitting,...
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