17 Result(s)
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Article
Experimental investigation of plasma arc cutting process to evaluate the characteristics of kerf geometry using ANOVA
The effects of cutting speed and current on plasma cut quality were investigated. Regression modeling was used to establish relationship between process parameters and responses. Analysis of variance was perfo...
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Article
A study on vibration reduction by heat deformation of casting frame motor
High vibration in the horizontal motor causes damage in the shaft and bearing and it leads to a reduction in the lifetime and performance of the motor. A proper bearing preload and frame design can reduce some...
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Article
A Novel Galactoglucomannan Exopolysaccharide Produced by Oil Fermentation with Pseudozyma sp. SY16
Recently, the production of exopolysaccharide from Pseudozyma sp. SY16, which is mannosylerythritol lipid-producing yeast, has been occasionally observed during industrial fermentations. Moreover, exopolysacchari...
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Article
A numerical study on an infinite linear elastic Bernoulli-Euler beam on a viscoelastic foundation subjected to harmonic line loads
This paper presents a numerical study on the low-amplitude responses of an infinite Bernoulli-Euler beam resting on a viscoelastic foundation subjected to harmonic line loads. To simulate the linear response, ...
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Article
Effect of process parameters on root pass welding and analysis of microstructure in V-groove pulsed gas metal arc welding for mild steel
This study performed root pass welding with a V-groove using a pulsed gas metal arc welding process for mild steel. Welding process parameters such as weaving, root gap size, and travel speed were major factor...
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Article
Algorithms of mathematical models for fast multi-pass weld-bead drawing technique in V-groove welding
This study proposes an algorithm by using bead sequences and drawing techniques for multi-pass V-groove welding. Several points were prepared to form the weld bead shape. Then, a spline method called piecewise...
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Article
Role of additive concentration in slow-speed sliding contact under boundary lubrication conditions
The adsorption model for boundary lubrication was proposed considering the variations of additive content with sliding distance. With surface roughness and wear debris caused by the adhesive wear of the oxide ...
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A study on the quality of two-wire tandem submerged arc welds under iso-heat input conditions
The influence of the leading and trailing arc welding current on two-wire tandem submerged (SAW-T) arc weld quality was studied at a iso-heat input of 2.5 kJ/mm. The weld quality includes weld bead dimensions,...
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Article
Optimized conversion of L-lysine to L-pipecolic acid using recombinant lysine cyclodeaminase from Streptomyces pristinaespiralis
Lysine cyclodeaminase (LCD; EC: 4.3.1.28) is a β-nicotinamide adenine dinucleotide-dependent enzyme that catalyzes the β-deamination of L-lysine to produce L-pipecolate. L-pipecolate, also known as L-homoproli...
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Article
Expression of the NAD-dependent FDH1 β-subunit from Methylobacterium extorquens AM1 in Escherichia coli and its characterization
The efficient regeneration of nicotinamide cofactors is an important process for industrial applications because of their high cost and stoichiometric requirements. In this study, the FDH1 β-subunit of NAD-dep...
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Article
Hydro-thermo-mechanical analysis on high cycle thermal fatigue induced by thermal stri** in a T-junction
Turbulent mixing in a T-junction causes thermal stri** which is irregular and frequent fluctuation of thermal layer. Thermal stri** is a significant thermal problem because it causes unpredicted high cycle...
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Article
ABE production from yellow poplar through alkaline pre-hydrolysis, enzymatic saccharification, and fermentation
ABE (acetone-butanol-ethanol) was produced through alkaline pre-hydrolysis, enzymatic saccharification, and fermentation using yellow poplar as a raw material. In alkaline pre-hydrolysis, 51.1% of the biomass ...
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Article
Effects of acetic and formic acid on ABE production by Clostridium acetobutylicum and Clostridium beijerinckii
The effect of acetic acid and formic acid on acetone-butanol-ethanol (ABE) production by solventogenic Clostridia was investigated. The ABE concentration in Clostridium acetobutylicum was found to have increased ...
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Article
Tolerance of Saccharomyces cerevisiae K35 to lignocellulose-derived inhibitory compounds
The hydrolysis which converts polysaccharides to the fermentable sugars for yeast’s lingocellulosic ethanol production also generates byproducts which inhibit the ethanol production. To investigate the extent ...
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Article
Design of elastomeric bearing system and analysis of it mechanical properties
This paper proposes a new type of bearing system. In this study, a method for design of on elastomeric bearing system and its mechanical property analysis are carried. Experimental and theoretical studies of t...
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Article
Characterization of Pb2+ biosorption from aqueous solution by Rhodotorula glutinis
The yeast Rhodotorula glutinis was examined for its ability to remove Pb2+ from aqueous solution. Within 10 min of contact, Pb2+ sorption reached nearly 80% of the total Pb2+ sorption. The optimum initial pH valu...
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Article
Effect of culture conditions on growth and production of docosahexaenoic acid (DHA) usingThraustochytrium aureum ATCC 34304
Environmental and medium factors were investigated as basic data for optimizing DHA production when usingThraustochytrium aureum. To study the effect of environmental conditions, the rotation speed and culture te...
