Zobrazeno 1 - 10
of 135
pro vyhledávání: '"M. Bruneteau"'
Publikováno v:
Fusion Engineering and Design. 65:423-427
The effect of ion bombardment on hydrogen plasma-driven permeation through a superpermeable niobium membrane was investigated. It was found that the increase of membrane temperature and the doping of membrane material with oxygen results in the decre
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 187:393-400
The purpose of this paper is to correlate hydrogen or deuterium flux through superpermeable membranes with incident hydrogen or deuterium atom flux from the plasma. To this aim a hydrogen or deuterium plasma is created in a hybrid multicusp plasma so
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 179:373-382
Hydrogen plasma-driven permeation through the superpermeable niobium membrane was investigated under bombardment of the input membrane surface with hydrogen, deuterium and helium ions with energy 0–250 eV over the range of membrane temperature 910
Autor:
C. Deniset, M. Bacal, L. I. Elizarov, A. M. Bruneteau, F. Sube, A. Y. Tontegode, J. H. Whealton
Publikováno v:
Review of Scientific Instruments. 71:1082-1085
It is well known that cesium seeding in volume hydrogen negative ion sources leads to a large reduction of the extracted electron current and in some cases to the enhancement of the negative ion current. The cooling of the electrons due to the additi
Autor:
M Bruneteau, S Minka
Publikováno v:
Canadian Journal of Microbiology. 44:477-481
The lipopolysaccharides LPS I and LPS II, isolated from the hypovirulent EV40 strain of Yersinia pestis, are composed only of type R lipopolysaccharides. This type consists of two forms, a and b, depending on their solubility pattern in a solvent mix
Autor:
S. Minka, M. Bruneteau
Publikováno v:
Canadian Journal of Microbiology. 44:477-481
Publikováno v:
Review of Scientific Instruments. 67:3827-3830
We have investigated by probes and by photodetachment the plasma properties of two negative ion sources of different volume. We compared the data relevant to these two sources and identify the effects induced by the change in volume and the isotope e
Publikováno v:
Review of Scientific Instruments. 66:2533-2540
The electron and negative ion densities and temperatures are reported for a large volume hybrid multicusp negative ion source. Based on the scaling laws an analysis is made of the plasma formation and loss processes. It is shown that the positive ion
Publikováno v:
Physical Review E. 48:2122-2132
We present the results of a numerical study of isotope effects in volume negative-ion sources and compare them with experimental results. We have studied both hydrogen and deuterium discharges over a range of discharge current. For basic plasma param
Publikováno v:
Journal of Basic Microbiology. 31:37-42
From the mycelia of Aspergillus giganteus mut. alba grown in light and darkness two fractions of glucans were extracted. One of them was purified and characterized by its alkali-solubility and enzymatic degradation as polymer of β-d-glucose.