Results 201 to 210 of about 270,230 (255)
High performance Raman amplifier: applications in optical communication and biomedical devices. [PDF]
Sci RepMustafa FM, Sayed AF, Aly MH, Said TM.
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Prediction of Fiber Length in Polymer／Fiber Kneading Process
Seikei-KakouShunsuke Koido +3 more
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Aerosol Science and Technology, 1994
A classifier for separating conductive fibers according to length using dielectrophoresis has been developed and tested. The classifier consisted of two concentric steel cylinders with an annular space having a width of 3.18 mm. A high-voltage alternating field applied between the cylinders caused fibers to drift to the central cylinder.
P. A. Baron, G. J. Deye, J. Fernback
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A classifier for separating conductive fibers according to length using dielectrophoresis has been developed and tested. The classifier consisted of two concentric steel cylinders with an annular space having a width of 3.18 mm. A high-voltage alternating field applied between the cylinders caused fibers to drift to the central cylinder.
P. A. Baron, G. J. Deye, J. Fernback
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Length distributions of hemoglobin S fibers
Journal of Molecular Biology, 1990Electron microscopy of sickle cell hemoglobin fibers fixed at different times during gelation shows an exponential distribution of fiber lengths, with many short fibers and few long ones. The distribution does not change significantly with time as polymerization progresses.
R W, Briehl, E S, Mann, R, Josephs
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Estimation of Fiber Orientation and Length in Fiber Assemblies
Textile Research Journal, 1978General formulas are derived for the estimation of fiber orientation and distribution in fiber assemblies whose constituent fibers are arbitrarily crimped. It is found that the density function of orientation can be estimated by solving an integral equation which relates it to the average numbers of fiber cross sections formed on the unit areas of ...
Takashi Komori, Kunio Marishima
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Journal of Reinforced Plastics and Composites, 2012
In this study, short carbon fiber-reinforced polypropylene composites with three different initial carbon fiber lengths were prepared by using extrusion compounding and injection molding techniques. The physical and morphological properties of the prepared short carbon fiber-reinforced composites were investigated by means of tensile test, differential
Aytaç, Ayşe +2 more
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In this study, short carbon fiber-reinforced polypropylene composites with three different initial carbon fiber lengths were prepared by using extrusion compounding and injection molding techniques. The physical and morphological properties of the prepared short carbon fiber-reinforced composites were investigated by means of tensile test, differential
Aytaç, Ayşe +2 more
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Fiber Properties and Paper Fracture – Fiber Length and Fiber Strength
Trans. of the XIth Fund. Res. Symp. Cambridge, 1997, 1997Phenomenological theories on the effect of pulp fiber properties on the fracture energy of paper are discussed. The effect of fiber length and strength is clarified experimentally. Fiber length appears to affect fiber failure probability only slightly. When fiber strength is changed, the fracture energy decreases greatly with only a small increment in ...
Petri Kärenlampi, Yongzhong Yu
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BIOPERSISTENCE, FIBER LENGTH, AND CANCER RISK ASSESSMENT FOR INHALED FIBERS
Inhalation Toxicology, 2001We briefly review the evidence that the carcinogenic risk posed by inhaled fibers depends principally on the lung burden of long fibers. We use a deposition clearance model to generate time-dependent lung burdens in rats of a dozen long fibers for various exposure concentrations.
S H, Moolgavkar, R C, Brown, J, Turim
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The Effect of Fiber Length on the Dissolution by Macrophages of Rockwool and Glasswool Fibers
Environmental Research, 1995The effect of fiber length on the dissolution of experimental rockwool and commercial glasswood fibers in rat alveolar macrophage (AM) culture and in mere culture medium was studied. The ultrastructure of macrophages after their exposure to fibers and the suitability of macrophage-type cell line P388D1 culture in dissolution studies were also explored.
K, Luoto +4 more
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Fiber length changes and their relation to fiber structure
Journal of Polymer Science Part C: Polymer Symposia, 1967AbstractDeformation processes in polymers are reviewed within the framework of rubber elasticity theory. The effect of hindered rotation on imposed and spontaneous length changes of polymeric fibers is discussed, leading to a new definition of crystallinity as a localized region of hindered rotation. This concept, together with a fringed‐micelle model,
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