نتایج جستجو برای: recrystallization

تعداد نتایج: 4001  

2017
Jagoba Iturri Ana C Vianna Alberto Moreno-Cencerrado Dietmar Pum Uwe B Sleytr José Luis Toca-Herrera

Quartz crystal microbalance with dissipation monitoring (QCM-D) has been employed to study the assembly and recrystallization kinetics of isolated SbpA bacterial surface proteins onto silicon dioxide substrates of different surface wettability. Surface modification by UV/ozone oxidation or by vapor deposition of 1H,1H,2H,2H-perfluorododecyltrichlorosilane yielded hydrophilic or hydrophobic samp...

2011
Dengyue Li Hongtao Li Hehui Sun Liancheng Zhao

Recently, solid-phase recrystallization of ultrathin indium antimonide nanocrystals (InSb NCs (films grown on SiO2/Si substrate is very attractive, because of the rapid development of thermal annealing technique. In this study, the recrystallization behavior of 35 nm indium antimonide film was studied. Through X-ray diffraction (XRD) analysis, it is demonstrated that the InSb film is composed o...

Journal: :Molecules 2017
Christian Luebbert Fabian Huxoll Gabriele Sadowski

The long-term stability of pharmaceutical formulations of poorly-soluble drugs in polymers determines their bioavailability and therapeutic applicability. However, these formulations do not only often tend to crystallize during storage, but also tend to undergo unwanted amorphous-amorphous phase separations (APS). Whereas the crystallization behavior of APIs in polymers has been measured and mo...

2009
M. S. Abu El Ghar A. W. Hussein

The diagenetic changes of the Lower-Middle Eocene limestones in the area to the west of AssiutMinia Stretch include the following processes: compaction, cementation, neomorphism, silicification, glauconitization and ferrugination. The compaction is represented by mechanical and chemical types. Cementation is either shallow submarine (represented by micrite, fibrous calcite and isopachous calcit...

Journal: :Biophysical journal 2001
M J Kuiper P L Davies V K Walker

Antifreeze proteins (AFPs), found in certain organisms enduring freezing environments, have the ability to inhibit damaging ice crystal growth. Recently, the repetitive primary sequence of the AFP of perennial ryegrass, Lolium perenne, was reported. This macromolecular antifreeze has high ice recrystallization inhibition activity but relatively low thermal hysteresis activity. We present here a...

2003
Renata Dreos Giorgio Nardin Lucio Randaccio Giovanni Tauzher Sara Vuano

The synthesis and characterization of a series of RM(DBPh2)2(H2O) complexes (M = Co and Rh) and the X-ray structure of the dinuclear n-PrRh(DH)(DBPh2) 2 (1) obtained by recrystallization of nPrRh(DBPh2)2(H2O) in non coordinating solvent are reported. The crystals of (1) are built up by neutral centrosymmetric dinuclear n-PrRh(DH)(DBPh2) 2 units and CH2Cl2 crystallization molecules in the ratio ...

2017
G L Wu H S Ubhi M Petrenec Juul Jensen

A tensile sample of an Al-0.1Mg alloy was in-situ tested in a SEM followed by insitu annealing to develop recrystallizing nuclei/grains. The evolution of microstructure and crystallographic orientations were characterized using the EBSD technique. Changes in the same area within the sample during deformation and annealing steps were closely followed. During the deformation process the original ...

2012
Christopher M. Hefferan Jonathan Lind Shiu Fai Li Ulrich Lienert Anthony D. Rollett Robert M. Suter

High-energy X-ray diffraction microscopy is a non-destructive materials characterization technique that is capable of tracking the evolution of three-dimensional microstructures as they respond to external stimuli. We present measurements of the annealing response of high-purity aluminum using the near-field variant of this technique. The data are analyzed with the forward modeling method which...

2005
W. Enders

This paper reports on swift heavy ion beam induced epitaxial crystallization of a buried Si3N4 layer. Transmission electron microscopy and selected area diffraction patterns have been used to study the epitaxial growth of the buried Si3N4 layer. We observe good epitaxial crystallization at 150 C and 200 C, respectively for 70 MeV Si and 100 MeV Ag ions at an ion fluence of 1 × 10 ions cm. The f...

2007

In this appendix we provide a brief overview of some quantitative aspects of recrystallization, including the experimental techniques used to measure recrystallization, the determination of some of the parameters associated with the annealing processes, and the quantification of some important features of the associated microstructures. We do not attempt to cover the subject matter in detail, b...

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