Search Results - "Gournay, Pierre"

Characterization of the Frequency Dependence of the AC Resistors Used in the Quadrature Bridge of the BIPM by Moreno, J. Angel, Gournay, Pierre, Rolland, Benjamin, Sakamoto, Norihiko

“…At the Bureau International des Poids et Mesures (BIPM), Sèvres, France, the capacitance unit is linked to a dc quantized Hall resistance (QHR) by means of…”
Get full text

Sub-Hz Frequency Dependence of New 1 Ω Standard Resistors Based on Nickel-Chromium Alloy Metal Foil Technology by Gournay, Pierre, Rolland, Benjamin, Kaneko, Nobu-Hisa, Oe, Takehiko, Pesel, Eckart, Gotz, Martin

“…When considering the dc resistance of 1 Ω standard resistors, frequency-dependent phenomena below 1 Hz down to a few mHz can noticeably reduce the…”
Get full text

Performance and Stability Assessment of Graphene-Based Quantum Hall Devices for Resistance Metrology by Chatterjee, Atasi, Kruskopf, Mattias, Gotz, Martin, Yin, Yefei, Pesel, Eckart, Gournay, Pierre, Rolland, Benjamin, Kucera, Jan, Bauer, Stephan, Pierz, Klaus, Schumacher, Bernhard, Scherer, Hansjorg

“…For more than three decades, GaAs/AlGaAs quantum Hall (QH) devices are being used as standards for the realization of the dc resistance unit ohm. Recently, the…”
Get full text

New Generation of Low-Frequency Current Comparators Operated at Room Temperature by Satrapinski, Alexandre, Gotz, Martin, Pesel, Eckart, Fletcher, Nick, Gournay, Pierre, Rolland, Benjamin

“…This paper details developments in the use of room temperature current comparators operating with low-frequency (<;1 Hz) ac for precision resistance metrology…”
Get full text

A new CCEM-K4 comparison of capacitance at 10 pF by Gournay, Pierre, Fletcher, Nick, Stock, Michael

“…The CCEM-K4 key comparison of capacitance at 10 pF was last carried out between 1996 and 1999. The Consultative Committee for Electricity and Magnetism of the…”
Get full text

Management of digestive bleeding related to portal hypertension in cirrhotic patients： A French multicenter cross-sectional practice survey by Ingrand, Pierre, Gournay, Jerome, Bernard, Pierre, Oberti, Frederic, Bernard-Chabert, Brigitte, Pauwels, Arnault, Renard, Philippe, Bartoli, Eric, Cadranel, Jean-Francois, Barbare, Jean-Claude, Ingrand, Isabelle, Beauchant, Michel

“…AIM： To investigate the conformity of management practices of gastrointestinal hemorrhage in cirrhotic patients with relevant guidelines. METHODS： A…”
Get full text

Progress report on measuring the von Klitzing constant at the BIPM by Gournay, Pierre, Fletcher, Nick, Robertsson, Lennart, Stock, Michael

“…A project aiming at measuring the von Klitzing constant with an uncertainty of the order of one part in 10 8 is currently ongoing at the BIPM. This measurement…”
Get full text

The BNM Watt balance project by Geneves, G., Gournay, P., Gosset, A., Lecollinet, M., Villar, F., Pinot, P., Juncar, P., Clairon, A., Landragin, A., Holleville, D., Dos Santos, F.P., David, J., Besbes, M., Alves, F., Chassagne, L., Topcu, S.

“…A new Watt balance project is now in progress at the Bureau National de Metrologie (BNM), Paris, France. In this paper, the general configuration and the main…”
Get full text

Magnetic circuit design for the BNM Watt balance experiment by Gournay, P., Geneves, G., Alves, F., Besbes, M., Villar, F., David, J.

“…The Bureau National de Me/spl acute/trologie (BNM) has started since 2001 the development of a Watt balance experiment. We first remind the reader the basic…”
Get full text

A Bias Source for Dynamic Voltage Measurements With a Programmable Josephson Junction Array by Maletras, F.-X., Gournay, P., Robinson, I.A., Geneves, G.

“…In this paper, the design and test of a compact bias current source for binary-weighted programmable Josephson junction arrays (PJJA) is reported. The new…”
Get full text

The NIST project for the electronic realization of the kilogram by Steiner, R.L., Newell, D.B., Williams, E.R., Ruimin Liu, Gournay, P.

“…The project Electronic Realization of the Kilogram has rebuilt the National Institute of Standards and Technology (NIST) watt balance, which has been fully…”
Get full text

Balance Pan Damping Using Rings of Tuned Sloshing Liquids by Williams, E.R., Haddad, D., Geneves, G., Gournay, P., Hauck, C., Villar, F., Steiner, R.L., Liu, R.

“…This paper describes a new method to damp out balance pan oscillations, even when the balance is operated in a vacuum. The key is to tune the wavelength of the…”
Get full text