نتایج جستجو برای: polypropylene fibres
تعداد نتایج: 24216 فیلتر نتایج به سال:
The case study presented in the paper is first field to find microplastic (MP) particles both grey water (GW) and post-treatment sewage (TS) samples, which can also be legally discharged into specially protected areas. Compiling a data set of 50 samples collected from GW TS 5 transport ships involved study, we show that mean number separated microparticles n = 72 per litre, 51 litre. Of 614 par...
In conventional concrete, micro-cracks develop before structure is loaded because of drying shrinkage and other causes of volume change. When the structure is loaded, the micro cracks open up and propagate because of development of such micro-cracks, results in inelastic deformation in concrete. Fibre reinforced concrete (FRC) is cementing concrete reinforced mixture with more or less randomly ...
The objective of this research was to investigate the performance of a hollow fibre membrane bioreactor (HFMB) for hydrogenotrophic denitrification of contaminated drinking water. In the HFMB, H2 flows through the lumen of the hydrophobic hollow fibres and diffuses to an attached H2 oxidizing biofilm. Nitrate in the contaminated water serves as an electron acceptor. A hydrogenotrophic denitrify...
INTRODUCTION Adhesions to mesh/tacks in laparoscopic ventral hernia repair are often cited as reasons not to adopt its evidence-based superiority over conventional open methods. This pilot study assessed the occurrence of adhesions to full-sized Polypropylene and Gore-tex DualMesh Plus meshes and the possibility for adhesion prevention using fibrin sealant. METHODS Two 10-cm to 15-cm pieces ...
The Effect of polypropylene fibres on the tensile performance of asphalt mixtures for road pavements
Geopolymer concrete significantly contributes to reducing harmful emissions by the cement industry and replacing it with by-product materials produced different industries. Geopolymers have enhanced mechanical properties compared cementitious products, however, their ductility impact resistance tend be relatively low. Additionally, used rubber tires provide a significant environmental risk. Con...
Abstract Microplastic is widely discussed and has become growing attention because of its negative impact on the environment well-being living organisms. Some international studies have found microplastics in some foods beverages, such as honey, beer, table salt, drinking water. However, there are few accurate analytical techniques for identifying analysing microplastics, especially beverages f...
Polypropylene Fiber Reinforced Concrete is an embryonic construction material which can be described as a concrete having high mechanical strength, Stiffness and durability. By utilization of Polypropylene fibers in concrete not only optimum utilization of materials is achieved but also the cost reduction is achieved. This paper presents a comprehensive review on various aspects Polypropylene F...
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