Bulletin of Materials Science

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Concise encyclopedia of magnetic and superconducting materials, 1992, (ed.) Jan Evetts
Bulletin of Materials Science - Tập 16 Số 1 - Trang 85-85 - 1993
C. N. R. Rao
Use of 5,10,15,20-tetrakis(p-chlorophenyl)porphyrin as sensor material: potentiometric determination of aluminium(III) ions
Bulletin of Materials Science - - 2022
Oguz Özbek, Ömer Isildak
In this study, 5,10,15,20-tetrakis(p-chlorophenyl)porphyrin has been synthesized and used as an ionophore for the preparation of a poly(vinyl chloride) (PVC) membrane sensor for aluminium(III) ions. The optimum composition of the best performing membrane contained ionophore, bis(2-ethylhexyl) adipate, PVC and potassium tetrakis(p-chlorophenyl) borate in the ratio of 4.0:63.0:32.0:1.0 (mg). The pre...... hiện toàn bộ
Critical properties of random magnetic systems
Bulletin of Materials Science - Tập 1 - Trang 201-206 - 1979
Deepak Kumar
A review of the recent applications of renormalisation group techniques to the calculations of the critical properties of random magnetic systems is presented.
Gibbs’ energy of formation of YBa2Cu3O7-x (tetragonal)
Bulletin of Materials Science - Tập 14 - Trang 983-987 - 1991
A M Azad, O M Sreedharan, K T Jacob
The high temperature ceramic oxide superconductor YBa2Cu3O7-x (1–2–3 compound) is generally synthesized in an oxygen-rich environment. Hence any method for determining its thermodynamic stability should operate at a high oxygen partial pressure. A solid-state cell incorporating CaF2 as the electrolyte and functioning under pure oxygen at a pressure of 1·01 × 105 Pa has been employ...... hiện toàn bộ
Effect of annealing and oxygenation on the DC conductivity of amorphous germanium
Bulletin of Materials Science - Tập 5 - Trang 175-178 - 1983
K K Bhale, S S Shah
Thin films of amorphous germanium were deposited in an oxygen atmosphere.dc conductivity results are interpreted considering the possibility of the formation of Ge-O bonds. The density of states was determined. Results of conductivity are interpreted using the Davis-Mott model. Change in conductivity in annealed films of V-a-Ge and O-a-Ge is also reported.
A remarkable enhancement between optical transparency and SHG efficiency on doped-KHP single crystals
Bulletin of Materials Science - Tập 43 - Trang 1-4 - 2019
J Aarthi, S Gowri, C S Kaviya, S A Bheeter
Potassium hydrogen phthalate (KHP) single crystals are non-linear optical materials and their transmittance window are remarkably enhanced by an organic dopant such as resorcinol. The present study was mainly focused on the growth and characterization of the single-crystal KHP doped with resorcinol which was synthesized by a slow evaporation solution technique and its dimension was found to be ...... hiện toàn bộ
Grain refinement of AZ31 magnesium alloy by electromagnetic stirring under effect of grain-refiner
Bulletin of Materials Science - Tập 35 - Trang 651-655 - 2012
S Y GAO, Q C LE, Z Q ZHANG, J Z CUI
The effects of electromagnetic stirring and Al4C3 grain refiner on the grain refinement of semi-continuously cast AZ31 magnesium alloy were discussed in this investigation. The results indicate that electromagnetic stirring has an effective refining effect on the grain size of AZ31 magnesium alloy under the effect of Al4C3 grain refiner. Electromagnetic stirring can ‘activate’ the Al4C3 particles,...... hiện toàn bộ
Infrared absorption spectroscopic study of Nd3+ substituted Zn-Mg ferrites
Bulletin of Materials Science - Tập 25 - Trang 351-354 - 2002
B. P. Ladgaonkar, C. B. Kolekar, A. S. Vaingankar
Compositions of polycrystalline Zn x Mg1−x Fe2−y Nd y O4 (x = 0.00, 0.20, 0.40, 0.60, 0.80 and 1.00;y = 0.00, 0.05 and 0.10) ferrites were prepared by standard ceramic method and characterized by X-ray diffraction, scanning electron microscopy and infrared absorption spectroscopy. Fa...... hiện toàn bộ
Overview literature on matrix assisted laser desorption ionization mass spectroscopy (MALDI MS): Basics and its applications in characterizing polymeric materials
Bulletin of Materials Science - Tập 28 - Trang 515-528 - 2005
R. N. Jagtap, A. H. Ambre
Matrix assisted laser desorption ionization mass spectroscopy (MALDI MS) is a technique which allows the measurement of molecular mass > 200,000 Daltons by ionization and vapourization without degradation. This technique is useful for the mass analysis of synthetic polymers, which have very low volatility. The basic principles of and its applications for polymer characterization h...... hiện toàn bộ
Large-scale formation of shish-kebab in water-assisted injection-moulded high-density polyethylene with a high-molecular weight
Bulletin of Materials Science - Tập 42 - Trang 1-5 - 2019
H Yuan, Y Pan, X Liu
To promote flow-induced orientation and reserve the formation of the shish-kebab structure, a modified injection-moulding technology named water-assisted injection moulding (WAIM), was applied to provide twice the shear flow and a rapid cooling rate on high-molecular weight high-density polyethylene (HDPE) melt in a mould cavity. Large-scale distribution of highly oriented shish-kebab was successf...... hiện toàn bộ
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