نتایج جستجو برای: electro spinning
تعداد نتایج: 30654 فیلتر نتایج به سال:
The determination of brominated flame retardants is of great importance, but remains a challenge. Particularly, universal and facile approaches are limited. Here we report a new general approach, combining molecular imprinting and electrospinning, for the efficient and facile imprinting sensor of 2,4,6-tribromophenol (TBP), which was used as a “novel” brominated flame retardant. With TBP as the...
Electrospinning is the technique in which a high voltage applied across polymer solution enables the production of fibers of thickness in nanofibers, from a few nm to 100s of nm. The polymer solution could be therapeutic for cancer drug delivery, etc. Electro spinning enables to directly engineer Nano fibers that have many advantages as local drug delivery vehicles for therapeutic molecules [1,...
Monitoring complex electro-mechanical processes is not straightforward despite the arsenal of techniques nowadays available. This paper presents a method based on Adaptive-Network-based Fuzzy Inference System (ANFIS) to estimate eccentricity of its spinning axis. The method is experimentally tested on an ultra-precision rotating device commonly used for micro-scale turning. The developed model ...
Regarding the importance of ring spinning method among spinning systems, great potentials exist for research about on the improvement of the quality and properties of ring spun yarn. This study aims to improve yarn quality by changing the shape and dimensions of spinning triangle through forming a groove in the middle zone of the front darfting 
roller with a curvature of 5 to 7 mm. For the ...
Metal spinning as a kind of manufacturing process has capability to shape hollow components. In present work shear spinning process is used to formplates into conical shapes. Moreover, the aim of this research is to demonstrate the impact of the process parameters (i.e. feeding rate and spindle speed) on wall thickness. This approachwas done by experimental and finite elements method. The resul...
Background and Aim: Sedentary life style increases risk of cardiovascular diseases (CVDs). Physical activity and green tea supplementation can reduce cardiovascular risk factors by improving inflammation and body composition. The aim of study was to determine benefits of 8 weeks of spinning training and green tea supplementation on risk factors cardiovascular and body composition in overweight ...
Cellulose is a prominent scaffolding polysaccharide found in plants as micro fibrils which form the structurally strong framework cell walls. It has wide variety of uses such attacking agent, emulsifier, stabilizer etc. Its use can be further enhanced by converting cellulose into derivatives. One most important derivatives carboxy methyl (CMC). In present study, converted to CMC thereby prepari...
one of the main issues of nanotechnology is producing materials with new properties. nanotechnology, as a powerful tool, has the ability to create evolution in the agricultural system and food–medicinal industries across the world. producing a high-performance material from reclaimed cellulose material will increase motivation to recycle these materials at all phases of paper production and rem...
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