Results 261 to 270 of about 4,688,143 (295)

Thermal decomposition of struvite and its phase transition

Chemosphere, 2008
Intentional crystallization of struvite, before it forms and accumulates on wastewater treatment equipment, solves an important and costly wastewater treatment problem and on the other hand, provides an environmentally sound and renewable nutrient source to the agricultural industry.
M Iqbal H, Bhuiyan, D S, Mavinic, F A, Koch   +2 more
openaire   +2 more sources

A Phase-Decomposition-Based PSInSAR Processing Method

IEEE Transactions on Geoscience and Remote Sensing, 2016
A phase-decomposition-based persistent scatterer (PS) InSAR (PD-PSInSAR) method is developed in this paper to improve coherence and spatial density of measurement points (MPs). In order to improve PS network density, a distributed scatterer (DS) has been utilized in some advanced PSInSAR process, such as SqueeSAR.
Ning Cao 0004, Hyongki Lee, Hahn Chul Jung   +2 more
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Phase Estimation in Single Channel Speech Enhancement Using Phase Decomposition

IEEE Signal Processing Letters, 2015
Conventional speech enhancement methods typically utilize the noisy phase spectrum for signal reconstruction. This letter presents a novel method to estimate the clean speech phase spectrum, given the noisy speech observation in single-channel speech enhancement.
Josef Kulmer, Pejman Mowlaee
openaire   +2 more sources

Decomposition of Magnetic Phases in Alloys

Materials Science Forum, 2008
In this paper we present a study of the separation of phases in multi-phase alloys. The proposed technique is based on the hyperbolic model of magnetization. In this work the normal magnetization curve of the model was fitted to the measured one.
openaire   +1 more source

Time Series Decomposition into Oscillation Components and Phase Estimation

Neural Computation, 2017
Many time series are naturally considered as a superposition of several oscillation components. For example, electroencephalogram (EEG) time series include oscillation components such as alpha, beta, and gamma. We propose a method for decomposing time series into such oscillation components using state-space models.
Takeru Matsuda, Fumiyasu Komaki
openaire   +3 more sources

Atmospheric pressure vapour phase decomposition: A proof of principle

Talanta, 2012
In the present work we demonstrated that the digestion of difficult matrices (high boiling petrochemical fractions and distillation bottoms) can be achieved by oxidation with nitric acid vapours at atmospheric pressure employing simple laboratory glassware.
Cinosi A., Andriollo N., Tibaldi F., MONTICELLI, DAMIANO   +3 more
openaire   +2 more sources

Phosphoranide production and decomposition in the gas phase

International Journal of Mass Spectrometry, 2014
Abstract After characterizing the negative ion chemistry of tris(trifluoromethyl)phosphine in a previous work, new insights about the interpretation of the MS/MS mass spectrum of the phosphide anion (CF 3 ) 2 P − m / z 169 could be revealed and are described in this current work.
Basem Kanawati, Karl-Peter Wanczek
openaire   +1 more source

A New PAM Decomposition for Continuous Phase Modulation

2006 40th Annual Conference on Information Sciences and Systems, 2006
The Laurent decomposition expresses any binary single-h continuous phase modulated signal as the finite summation of pulse amplitude modulated (PAM) waveforms, and the resulting signal space is so constructed that the CPM signal can usually be synthesized with a reasonable degree of accuracy by using only the "main" PAM component pulse. This derivation
openaire   +2 more sources

Phase Diagrams of Multicomponent Reacting Polymer Systems Undergoing Phase Decomposition

2002
108 The problem of calculating the phase diagrams for multicomponent reacting and non-reacting polymer systems has been formulated. To solve this problem, the concept of the free energy of phase separation (FEPS) was introduced. Calculation of phase diagrams implies global minimization of FEPS.
Elina Manevitch, Grigori Sigalov, Boris Rozenberg   +2 more
openaire   +1 more source

Gas phase ozone decomposition catalysts

Applied Catalysis B: Environmental, 1997
Catalytic ozone decomposition is of practical significance because ozone is a toxic substance commonly found or generated in human environments (aircraft cabins, offices with photocopiers, laser printers, sterilizers). Considerable work has been done on ozone decomposition, most of it reported in the patent literature.
B. Dhandapani, S.T. Oyama
openaire   +1 more source