نتایج جستجو برای: polyblend fibers

تعداد نتایج: 70519  

Journal: :cell journal 0

introduction: to recognize the myelinated nerve fibers of the external and extreme capsules in human brain. materials and methods: 10 adult and normal brains (20 hemispheres) from both sexes were studied using 15 mm serial secions in all three cardinal planes after fixation and processing. these sections were stained by klüver – barrera and heidenhin – woelcke methods. results: some fibers from...

H. R. Pakravani M. Jamshidiii M. Latifiii

The application of fibers to reinforce cementitious materials is a well-known subject. At first, asbestos fibers are used in industrial process to produce fiber reinforced cement sheets. Thereafter, various types of synthetic fibers are produced and used as asbestos substitutes. The aim of the present work is to evaluate the effect of synthetic fibers on the flexural behavior of cementitious co...

The capture efficiency of the small aerosol particle is strongly influenced by the structure of fibrous layers. This study presents particle deposition and dendrite formation on different arrangements of binary fibers. 2-D numerical simulation is performed using the open source software of OpenFOAM. In the instantaneous filtration of a single fiber, obtained results are in good agreement with th...

زمانیان, علی, زواره, سیامک, شمسی, مهدی, نظافتی, نادر,

Ternary (%mol) (64SiO2-31CaO-5P2O5) system of sol-gel derived bioactive glass fibers was prepared by electrospinning method. X-ray Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM) and nitrogen adsorption test (BET) analyses were performed to investigate the phase and chemical group of the composition, morphology of the surface and specific surface area of the f...

However, problems such as osteoporosis due to high elasticity of metals relative to bones, and local infections and systemic problems caused by releasing metallic ions have motivated research on replacing metallic screws with non metallic ones. In this study, the composite containing poly-l-lactic acid and bioactive glass fibers were considered for the design of the screw using ABAQUS software ...

Journal: :مجله بهداشت محیط و توسعه پایدار 0
mehdi mokhtari assistant professor, environmental science and technology research center, department of environmental health engineering, school of public health, shahidsadoughi university of medical sciences, yazd, iran. negarjafari jafari phd student, environmental research center, faculty of public health, isfahan university of medical sciences, isfahan, iran. asghar ebrahimi assistant professor, environmental science and technology research center, department of environmental health engineering, school of public health, shahidsadoughi university of medical sciences, yazd, iran. amir mohammadi phd student. environmental science and technology research center, department of environmental health engineering, school of public health, shahidsadoughi university of medical sciences, yazd, iran. ali abdolahnejad phd student. environmental science and technology research center, department of environmental health engineering, school of public health, shahidsadoughi university of medical sciences, yazd, iran. yaghob hajizadeh assistant professor, environmental research center,department of environmental health engineering, faculty of public health, isfahan university of medical sciences, isfahan, iran.

introduction: today, have been approved scientifically relationship between presence of asbestos fibers in the human respiratory area and malignant diseases such as lung advanced fibrosis (asbestosis), gastrointestinal, lung and laryngeal cancers. the aim of this study was the determination of asbestos fibers concentration in yazd city’s air in the summer of 2015. methods: this is a descriptive...

In this work, raw fibers of a local species of stabraq (milkweed) were scoured, bleached and blended with cotton fibers with a ratio of 75/25 (cotton/stabraq). The improved stabraq fibers, scoured and bleached cotton and the blended fibers were spun into fine yarns and then they were subjected to dyeing with two types of reactive dyes namely, cold brand and high exhaustion brand reactive dye at...

Journal: :journal of research in rehabilitation sciences 0
مهسا آقارضایی امین مهنام mahsa agharezaee amin mahnam

abstract introduction: interferential current is one of the most popular kinds of electrical stimulation that are used in electrotherapy. despite its clinical popularity, there have been limited studies to investigate how this stimulation protocol affects the nerve fibers. this study was aimed to develop a realistic model for the stimulation of nerve fibers by interferential currents and using ...

Journal: :international journal of advanced design and manufacturing technology 0
moslem najafi department of mechanical engineering, south tehran branch, islamic azad university seyyed mohammad reza khalili center of excellence for research in advanced materials and structures, faculty of mechanical engineering, k. n. toosi university of technology reza eslami-farsani center of excellence for research in advanced materials and structures, faculty of mechanical engineering, k. n. toosi university of technology

in this study, the strain rate effect on the bending properties of fiber reinforced composites for three types of polymer composites namely phenolic resin reinforced by woven basalt fibers, woven carbon fibers, and woven basalt/ woven carbon fibers at a total volume fraction of approximately 35% has been determined. flexural tests have been conducted at low range of strain rates included 0.03 m...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید