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41.
Maik J. Geerken Max N.W. Groenendijk Rob G.H. Lammertink Matthias Wessling 《Journal of membrane science》2008,310(1-2):374-383
In this paper the fabrication and use of micro-structured metal nozzle plates as emulsification devices is investigated and discussed. These structured metal nozzle plates were fabricated via two distinct routes. Laser ablation, performed with a femtosecond laser, was used to drill micrometer-sized holes into stainless steel and aluminum foils. Also a conventional steel mesh with an average pore size of 2.4 μm fabricated by weaving and roll compaction of micrometer-sized steel wires was investigated. The perforated metal nozzle plates were used for oil-in-water and after hydrophobization with alkylchlorosilanes for water-in-oil emulsification as well. In both cases, two types of drop formation processes were observed. The first one is the shear-induced drop formation well known for cross-flow membrane emulsification. The second is the spontaneous drop formation known from microchannel emulsification. 相似文献
42.
Rob Kaas Jeroen Loos Marc Goovaerts Elias Shiu 《Insurance: Mathematics and Economics》2009,44(2):261-263
43.
Adaptive tensor product wavelet methods are applied for solving Poisson’s equation, as well as anisotropic generalizations, in high space dimensions. It will be demonstrated that the resulting approximations converge in energy norm with the same rate as the best approximations from the span of the best N tensor product wavelets, where moreover the constant factor that we may lose is independent of the space dimension n. The cost of producing these approximations will be proportional to their length with a constant factor that may grow with n, but only linearly. 相似文献
44.
Rob Muencke 《Fresenius' Journal of Analytical Chemistry》1876,15(1):321-322
Ohne Zusammenfassung 相似文献
45.
Rob. Leimbach 《Fresenius' Journal of Analytical Chemistry》1904,43(5):309-310
Ohne Zusammenfassung 相似文献
46.
Elvis J. De França Elisabete A. De Nadai Fernandes Márcio A. Bacchi Peter Bode Rob T. M. van Soldt 《Journal of Radioanalytical and Nuclear Chemistry》2009,282(1):125-132
For environmental quality assessment, INAA has been applied for determining chemical elements in small (200 mg) and large
(200 g) samples of leaves from 200 trees. By applying the Ingamells’ constant, the expected percent standard deviation was
estimated in 0.9–2.2% for 200 mg samples. Otherwise, for composite samples (200 g), expected standard deviation varied from
0.5 to 10% in spite of analytical uncertainties ranging from 2 to 30%. Results thereby suggested the expression of the degree
of representativeness as a source of uncertainty, contributing for increasing of the reliability of environmental studies
mainly in the case of composite samples. 相似文献
47.
Rob. Henriques 《欧洲无机化学杂志》1884,17(2):2668-2673
48.
49.
Rob Muencke 《Fresenius' Journal of Analytical Chemistry》1882,21(1):99-100
Ohne Zusammenfassung 相似文献
50.
Rob Muencke 《Fresenius' Journal of Analytical Chemistry》1884,23(1):407
Ohne Zusammenfassung 相似文献