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Sesquiterpene lactone from Achillea crithmifolia
(Elsevier, 1993)
Achillea crithmifolia Waldst. et Kit. (Asteraceae) is used in folk medicine against the same disorders as the well known Achillea millefolium L. (Asteraceae). Hitherto, four guaianolides (rupicolin-A and -B and their ...
Dependance of avalanche photodiode characteristics on active area geometry
(Institute of Electrical and Electronics Engineers (IEEE), 1995)
The work presents an analysis of avalanche photodiode (APD) with spherical p-n junction. The calculation results are given for the dependence of the avalanche multiplication and noise parameters on geometry and on the ...
The Influence of Sintering Conditions on the Microstructure and Magnetic Properties of Sintered SmCo5 Magnets
(Springer Science and Business Media LLC, 1999)
Since the magnetic features of the magnet of Sm-Co type are in direct connection with microstructure, it is indispensable to achieve, in the procedure of synthesis of these materials, the microstructure which ensures the ...
Investigation of the Microstructure and Distribution of Solute During Solidification of Al-Cu Alloy
(Springer Science and Business Media LLC, 1999)
Phenomenon of solidification process plays an important role in various areas like: crystal growth, casting processes, liquid phase sintering etc. Results presented in this paper contribute to investigation of the influence ...
Integrated multicolor detector utilizing 1-D photonic bandgap filter with wedge-shaped defect
(Society of Photo-Optical Instrumentation Engineers (SPIE), 1999)
Abstract
We propose a single-chip multicolor photodetector for (3-5) μm range based on a linear IR semiconductor detector array with an integrated 1-D photonic bandgap (PBG) filter. A wedge-shaped defect slab (corresponding ...
Model of Drawing Thin Glass Sheet From A Rectangular Preform and Its Applications
(Springer Science and Business Media LLC, 1999)
Glass sheets of uniform thickness, thinner than lmm, are commonly used, for example, in microelectronics, as small parts of electronic devices, and components in light microscopes, etc. Drawing glass from rectangular ...
Silicon UV flame detector utilizing photonic crystal
(Society of Photo-Optical Instrumentation Engineers, 1999)
Abstract
In this paper we propose a silicon UV flame detector for combustion systems. In gas burners the relative intensity of flame radiation is dominant in the ultraviolet region (below 0.35 μm). In the visible and ...
The influence of selenium on the erythrocyte metabolism in rats exposed to toluene. II Autooxidative response to oxidative stress
(Timisoara, Romania : Publishing House "Mirton" Timisoara, 1995)
In this work the effect o f toluene exposition on oxidative chemical species generation, metabolic alteration and protective effect of selenium were investigated.
The disturbances in erythrocyte metabolism due to oxidative ...
The influence of selenium on the erythrocyte metabolism in rats exposed to toluene. I Synthesis of unusual hemoglobin modifications
(Timisoara, Romania : Publishing House "Mirton" Timisoara, 1995)
In this work unusual hemoglobin modifications were detected in hemolysates of experimental animals exposed to toluene. The protective effect of selenium administration against hemoglobin structural alterations was investigated ...
Numerical calculation of photodetector response time using Ramo's theorem
(Institute of Electrical and Electronics Engineers (IEEE), 1995)
The work presents a methodology for numerical calculation of response time of p-i-n photodiodes using the corpuscular approach, i.e. the Ramo's theorem. The calculations were performed for the Si p-i-n photodiode homostructure ...