Recherche

stick #1 is used with an aluminium 3kbar pressure cell., the stick #4 with a 5kbar gas pressure cell, the #10 and #12 with a 7kbar liquid pressure cell and the stick #11 with a 7 kbar capillary allowing

des avancées significatives aient été réalisées avec des techniques comme la spectroscopie optique, celles-ci comportent plusieurs limites, par exemple l'obligation de marquer les polymères avec des colorants ... d'améliorer notre compréhension des polymères en solution, des techniques non invasives, telles que celles basées sur les neutrons, sont ...

within each unit cell of the crystal, and whose appearance coincides with the onset of the pseudogap. This magnetic order could be the result of loop currents flowing within the unit cells, generating staggered ... Instrument: D7 - Diffuse Scattering Spectrometer Re.: Intra-unit-cell magnetic correlations near optimal doping in YBa2Cu3O6.85. ...

beamstop width or diameter [mm] 76 beamstop height or 0. [mm] 77 ISUM X1 [cell #] 78 ISUM X2 [cell #] 79 ISUM Y1 [cell #] 80 ISUM Y2 [cell #] 81 shear speed [1/min] x 82 magnetic field [Tesla] 83 pressure [Pa] ... 46 47 48 49 50 further parameters stored with the data 51 beam centre address X0 [cell#] x 52 beam centre address Y0 [cell#] x 53 ...

can supply upon request: standard dilution or He3 fridges, furnaces, pressure cells (gas cells up to 5 kbar, clamped cells up to 30 kbar), vertical field cryomagnets 6 and 15 T, horizontal field cryomagnet ... neutrons, in the incident wavelength range 1 - 3 Å. It can support large sample environments (pressure cells, up to 30 kbar, high field ...

standard sample environment is often an automated sample changer with up to 22 positions for optical cells with a thickness of 1 to 5 mm (300-1500 µl). The temperature of the sample changer can be varied between ... temperature to another. The usual array of standard sample environments includes rheometer, shear cell, stopped-flow device, and ...

superconducting Nb cylinder hosting a spin filter cell and in which we trap a homogeneous magnetic field. The neutron beam entering Cryopol-II is polarised by the cell. At the exit, a magnetic field is applied ... polarising efficiency of a cell is given by: Slow 3He Relaxation in Cryopol-II where M10 and M20 are the monitor values measured with ...

faisceaux qui ont permis de porter le nombre de spectromètres d'une dizaine à presque cinquante. Mais cela n'aurait sans doute pas suffi, ce qui a rendu l'ILL très attractif pour les scientifiques du monde ... chauffer, comprimer leurs échantillons, de leur appliquer des champs magnétiques ou électriques, etc., et cela de façon aussi simple et ...

la revue. Les bactéries se divisent en deux grandes catégories : les bactéries à Gram positif et celles à Gram négatif. Une distinction majeure réside dans la présence d'une membrane externe imperméable ... interactions entre les LPS, entraînant des dommages irréparables et la mort cellulaire. Mais comment cela fonctionne-t-il ? Les membranes ...

research, for example in the optimisation of water distribution in fuel cells. Water is crucial to the performance of fuel cells, but its distribution must be carefully controlled. If water content is ... (png - 0.92 Mi) Schematic, cross-sectional view of a PEM fuel cell. Hydrogen fuel is channelled to the anode, while oxygen from air is channelled ...