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Nanoindentation hardness and modulus of Al2O3-SiO2-CaO and MnO-SiO2-FeO inclusions in iron

Publications associées (174)

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Optical memory for computing and information processing

Demetri Psaltis, Wei Liu

The high data transfer rate achievable in page-oriented optical memories demands for parallel interfaces to logic circuits able to process efficiently the data. The Optically Programmable Gate Array, an enhanced version of a conventional FPGA, utilizes a h ...

Spie-Int Soc Optical Engineering, Po Box 10, Bellingham, Wa 98227-0010 Usa1999

Regulation of bone morphogenetic protein activity by pro domains and proprotein convertases

Daniel Constam

Bone morphogenetic proteins (BMPs) are derived from inactive precursor proteins by endoproteolytic cleavage. Here we show that processing of Nodal and Myc-tagged BMP4 is significantly enhanced by SPC1/Furin or SPC4/PACE4, providing direct evidence that reg ...

Rockefeller University Press1999

Temperature dependence of electronic states in (TaSe4)(2)I - Reply

Giorgio Margaritondo, Helmuth Berger

We reject the assertion of Claessen et al., confirm the validity of our data, and discuss possible causes for the disagreement. ...

1997

Spatial Breakdown Point of Variogram Estimators

In the context of robust statistics, the breakdown point of an estimator is an important feature of reliability. It measures the highest fraction of contamination in the data that an estimator can support before being destroyed. In geostatistics, variogram ...

1996

Message Passing Versus Distributed Shared Memory on Networks of Workstations

Willy Zwaenepoel, Sandhya Dwarkadas

The message passing programs are executed with the Parallel Virtual Machine (PVM) library and the shared memory programs are executed using TreadMarks. The programs are Water and Barnes-Hut from the SPLASH benchmark suite; 3-D FFT, Integer Sort (IS) and Em ...

1995

Two-Phase Flow Patterns for New Refrigerants Inside Horizontal Tubes.

John Richard Thome, Daniel Favrat

Two-phase flow pattern data were obtained with 12.0 mm bore sight glasses for five refrigerants: R-123, R-134a, R-502, R-402A and R-404A. The existing flow pattern maps of Taitel-Dukler and Hashizume poorly represented the data while the VDI map identified ...

1995

Far-infrared dielectric response of PbTiO3 and PbZr1-xTixO3 thin ferroelectric films

Nava Setter

Far-infrared transmittance and reflectance of PbTiO3, PbZr0.53Ti0.47O3 and PbZr0.75Ti0.25O3 thin films deposited by a sol-gel technique on sapphire substrates were measured between room temperature and 650 degrees C. The spectra were fitted with a classica ...

1995

Structure of nanoscale silicon clusters

Wanda Andreoni, Michele Parrinello

Using the Car-Parrinello method, the authors have obtained unforeseen structures for the low-lying isomers of Si45 and other midsized Si clusters. They are formed by two shells of atoms, the outer one (cage) being fullerenelike and the inner one (core) con ...

1994

Accurate Determination of Predissociation Rates and Transition Frequencies for Carbon-Monoxide

Marcel Drabbels

By making use of two different laser spectroscopic techniques involving narrowband pulsed lasers in the visible, ultraviolet, and extreme-ultraviolet wavelength ranges, highly accurate data on absolute transition frequencies and predissociation rates were ...

American Astronomical Society1994

Benefits of an image-oriented parallel file system

Roger Hersch

Professionals in various fields such as medical imaging, biology, and civil engineering require rapid access to huge amounts of uncompressed pixmap image data. In order to fulfill these requirements, a parallel image server architecture is proposed, based ...

Int Soc for Optical Engineering1993