Materials Literature
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Cellulase is potential tool for modification of pulp properties to save energy requirement during refining process. In this paper, bleached Simao Pine kraft pulp was treated with NOV476 cellulase under different enzyme dosage for action mechanism analysis. Pulp viscosity was measured to evaluate the damage of fiber by…
Steel reinforced concrete is generally used in houses structure elements. However bamboo strength properties similarly to the wood, make it an alternative concrete composite material. Load test were performed in two kinds of bamboo guadua concrete reinforced composite slabs. During the tests the slabs functioned as do…
The seed germination and plant growth of Sorghum sudanense Stapf, Amaranthus hypochondriacus L. and cowpea was performed investigate the biodegradability of PBS in soil extract liquid, discussed the effect of polymers, oligomers and monomers of PBS on germination and growth of plants. The results showed that Microorga…
Aramid paper was manufactured using poly (m-phenyleneisophthalamide) (PMIA) fibers and fibrids, and poly(ethylene oxide) (PEO) was used as dispersant to improve the uniformity of fiber distribution. The Paper Perfect Formation Analyzer (PPF) and the BFT-1 type β Formation tester were used to determine the formation of…
This paper looks at questions to do with the creation of filled biodegradable polymer composites based on agro-industrial complex (AIC) and packaging waste with a view to producing raw material and items made from it. Attention is given to study of the physical/mechanical properties of filled biodegradable polymer com…
The flame retardants: expandable graphite, decabromodiphenyloxid, triethylphosphate and nanofillers: natural montmoryllonite [MMT] – Nanofil ® 116, natural MMT modified with a quaternary ammonium salt - Cloisite ® 10A, synthetic layered silicate – Laponite ® RD has been used in rigid polyurethane foams (PUFs). The inf…
From Biomet, Inc, Warsaw, Indiana, and the Department of Bioengineering, University of Illinois at Chicago, Chicago, Illinois. Received July 8, 2010. Accepted for publication August 1, 2010. Address correspondence and reprint requests to William S. Pietrzak, PhD, Biomet, Inc, 56 E Bell Dr, Warsaw, IN 46580; E-mail: [e…
The magnetic MFe2O4 (M=Co, Ni) nanoparticles are synthesized using a hydrothermal synthesis method in ethylene glycol (EG) solution. Their morphologies, structures, surface properties and magnetism are characterized by field emission scanning electron microscopy (FE-SEM), powder X-ray diffraction (XRD), fourier transf…
Carbon Nanotube Field Effect Transistors (CNFETs) are one of the most excellent devices for low power and high performance designs. In this paper novel high speed and low power 5-to-3 compressor are presented. In a multiplication process, to accumulate partial products, compressor cells are used. Our proposed 5-to-3 c…
A few years ago, we developed at the IBM Almaden Research Center, the concept of introducing carbon in low-k materials in the form of bridging units between the silicon atoms and not as a pendant methyl group. Since then, this strategy has been widely adopted among the semi-conductor industry and the most advanced spi…
Highly soluble bis-(2-cyanoethyl)-protected derivative (11) of monopyrrolo-tetrathiafulvalene containing a bulky 3,5-di-tert-butylbenzyl solubilizing group has been synthesized and characterized. It was successfully employed to prepare two aromatic conjugates of monopyrrolo-tetrathiafulvalenes (TTFs) and is proposed t…
In this study, the effects of annealing temperature on both physical and resistive switching properties of ZrO2films were investigated. XRD showed the increase of the monoclinic phase in the as-grown tetragonal ZrO2with annealing above 450°C. The ZrO2films exhibited the unipolar and the bipolar switching behaviors in…
Some physical characteristics necessary for calculating the circuit of and selecting the optimum conditions for the electric explosion of zinc wires have been experimentally determined, including the specific action of zinc h b = (0.70 ± 0.15) × 105 A2 s/mm4 (for maximum current densities 2.5 × 105 A/mm2 < j M < 4.5 ×…
Turpentine-based dipentene (TBDP) contains limonene 30.32 %, terpinolene 31.35 %,α-terpinene 7.55 %,γ-terpinene 6.40 % andp-cymene 12.87 %. Three Pd/C catalysts were characterized by BET, XRD, TG-DTG and atomic absorption spectrometry (AAS). The properties of the catalysts on TBDP conversion were compared. Difference…
The processes of the formation of radiation images of steel objects during X-ray testing are investigated. Linear differential coefficients of X-ray radiation attenuation are calculated using their approximation by a polynomial from the third to the fifth degree. Anode voltages during X-ray testing of steel specimens…
Large amount of research has been undertaken on the effects of conventional thermomechanical treatment and chemistry variations on the mechanical properties of nanostructured bulk materials developed for wire rod and sheet products. The thermomechanical treatments are selected to refine as much as possible the microst…
This work examines polymorphic transformations in a silica matrix-titania coating system produced by molecular layering. The presence of surface rutile formed during the synthesis of the coating enables a reduction in the temperature of full anatase-to-rutile conversion by }~ 100°C in comparison with an anatase layer.…
Solid solutions with different compositions, mNH4Cl·KCl and NH4Cl·nKCl (m，n≥1), were prepared by the constant speed cooling method. The thermal stability of the solid solutions was determined by TG-DTA. The results show that mNH4Cl·KCl crystals change its crystal form at 180°C, decompose into ammonia and hydrogen chlo…
The oxidation kinetics of indium is studied for two cases, namely, during continuous electron irradiation (E p = 1800 eV) and without electron irradiation, as a function of the time of exposure to an oxygen medium at a partial oxygen pressure of 10−4 Pa and room temperature. The initial oxygen exposure was 50 L. The k…
In allusion to facility corrosion problem in caustic soda industry five types of ni-Cr-cu alloy cast irons were developed. The corrosion rates of ni-Cr-cu alloy cast irons in hot concentrated alkali solution were measured by using self-made dynamic corrosion experiment equipment; the microstructures and surface corros…