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Article
Development of an evaporative cooling system for small four-stroke engines
A new evaporative cooling system for small four-stroke engines has been developed. Performance tests of a four-stoke single cylinder engine equipped with this evaporative cooling system have been carried out i...
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Article
Hot isostatic pressing of Y-TZP powder compacts
A fundamental study of hot isostatic pressing (HI**) was performed on Y-TZP powder compacts, and the effect of the various HI ** process variables (time, temperature and pressure) was examined on the densi...
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Article
Silver recovery from zinc plant residues by flotation
Silver contained in zinc calcines undergoes several phase changes as it proceeds through the leaching circuit of a roast-leach-electrowin zinc plant. In this study, the flotation response of silver from leach ...
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Chapter and Conference Paper
Engineering and Genetic Approaches to Optimization of Recombinant Fermentation Process
A successful commercial development of gene products requires a good strategy not only for the recombinant DNA cloning but also for a well integrated bioprocess engineering. The bioprocess engineering involves...
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Article
Characterization of internal structure in Y-TZP powder compacts
The internal structure of yttrium-doped tetragonal zirconia powder compact was characterized using the immersion liquid technique, mercury porosimetry, scanning electron microscopy, and a compaction test. The ...
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Article
Characterization of internal structure in Y-TZP powder compacts
The internal structure of yttrium-doped tetragonal zirconia powder compact was characterized using the immersion liquid technique, mercury porosimetry, scanning electron microscopy, and a compaction test. The ...
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Chapter and Conference Paper
Speicheldrüsen II: Sekretion, Lithotripsie
Eine bisher wenig erforschte Funktion der Gl. parotis des Menschen ist die Ausscheidung körperfremder Substanzen. In der vorliegenden Studie untersuchten wir die Exkretion des Tabakalkaloids Nikotin, sowie sei...
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Chapter and Conference Paper
Bioprocess Kinetics and Optimization of Recombinant Fermentation: Genetic and Engineering Approaches
When a recombinant fermentation process is to be optimized and/or improved on a rational basis, many important parameters closely related to the cellular physiology and metabolism, genetic characteristics of t...
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Article
Effect of processing conditions on the characteristics of pores in hot isostatically pressed alumina
Effect of processing conditions on the characteristics of residual pores was studied with an optical microscope in hot isostatically pressed translucent alumina ceramics. Green bodies formed by isostatic press...
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Article
Morphological Effect on the Mechanical Behavior of a Two-Phase Ti3Al-Nb Alloy
A study has been made on the deformation and fracture behavior of a two-phase (α2 + β) Ti3Al-Nb alloy, with particular emphasis on the effect of morphologies. The coarse colony structure obtained by continuously ...
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Article
Metal-clad ridge waveguide structure InGaP/InGaAIP visible laser diodes
InGaP/InGaAIP visible-light laser diodes with a metal-clad ridge waveguide structure have been fabricated. Compressively strained SCH-MQW structures were grown by low-pressure MOCVD and the lasing wavelength w...
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Article
Thermal conductivity of R32 and its mixture with R134a
The liquid thermal conductivity of R32 (CH2F2) and R134a (CF3CH2F) was measured in the range from 223 to 323 K and from 2 to 20 MPa by the transient hot-wire method. The thermal conductivity of the R32+R134a mixt...
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Article
Effect of Bragg reflector on the threshold current density in AlGaInP visible laser
The GalnP/AlGalnP layers are known as attractive materials for 600 nm band laser diodes. In this paper, a Bragg reflector between GaAs substrate and n-cladding layer was applied for the reduction in the lasing...
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Article
Influence of lead ions in sulfide flotation — The application of laser-ionization mass spectrometry
Lead ions that originate from galena during the processing of complex sulfide ores migrate onto the surfaces of sphalerite and iron sulfide minerals. This results in poor selectivity during differential flotat...
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Article
Preparation of PEG-modified urethane acrylate emulsion and its emulsion polymerization
In order to improve stability and reduce droplet size, the PEG-modified urethane acrylates were synthesized by the reaction of polyethylene glycol (PEG) with residual isocyanate groups of urethane acrylate to ...
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Article
Microphase separation of PEG-modified urethane acrylate and the swelling behavior of its gels
The viscosity of PEG-modified urethane acrylate (PMUA) showed peculiar behavior in the course of soap-free emulsification. Moreover, the viscosity change with added amounts of water was influenced by the react...
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Article
Comparison of ZEUS data with standard model predictions for e+p → e+X scattering at high x and Q2
Using the ZEUS detector at HERA, we have studied the reaction e+p → e+ X for Q2 > 5000 GeV2 with a 20.1 pb−1 data sample collected during the years 1994 to 1996. For Q2 below 15000 GeV2, the data ...
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Article
Measurement of the diffractive structure functionF 2 D(4) at HERA
This paper presents the first analysis of diffractive photon dissociation events in deep inelastic positron-proton scattering at HERA in which the proton in the final state is detected and its momentum measure...
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Article
Dijet cross sections in photoproduction at HERA
Dijet cross sections are presented using photoproduction data obtained with the ZEUS detector during 1994. These measurements represent an extension of previous results, as the higher statistics allow cross se...
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Article
Diffractive dijet cross sections in photoproduction at HERA
Differential dijet cross sections have been measured with the ZEUS detector for photoproduction events in which the hadronic final state containing the jets is separated with respect to the outgoing proton dir...
