نتایج جستجو برای: 584
تعداد نتایج: 1871 فیلتر نتایج به سال:
We define a nomenclature for the dynamical classification of objects in the outer solar system, mostly targeted at the Kuiper belt. We classify all 584 reasonable-quality orbits, as of May 2006. Our nomenclature uses moderate (10 m.y.) numerical integrations to help classify the current dynamical state of Kuiper belt objects as resonant or nonresonant, with the latter class then being subdivide...
globin Measurements by Eleven Methods, William L. Roberts, Sekineh Safar-Pour, Barun K. De, Curt L. Rohlfing, Cas W. Weykamp, and Randie R. Little ( Department of Pathology, ARUP Institute for Clinical & Experimental Pathology, University of Utah, Salt Lake City, UT; 2 ARUP Laboratories, Salt Lake City, UT; 3 Department of Pathology, University of Arizona, Tucson, AZ; 4 Departments of Pathology...
M.A. Lone, W.J. Edwards and R. Collins AECL Research, Chalk River Laboratories Chalk River, Ontario, Canada. KOJ lJO (613)-584-3311 Thermal neutron capture cross section of the 9%r(n,y)91 Sr reaction was measured in a D20 moderated neutron flux with an activation technique. The sensitivity of the measurement was improved by using chemical separation of 90Y from 91 Sr for reduction of the intens...
We humans seem to have evolved with a need to know, a need to represent reality to ourselves insofar as our cognitive apparatus allows. This representational or knowing process appears to be a crucial aspect of our mode of coping with the environment. It is the tragedy of knowledge that this process, which we cannot do without, we cannot do well: it inevitably misrepresents the environment both...
We study the integration and approximation problems for monotone or convex bounded functions that depend on d variables, where d can be arbitrarily large. We consider the worst case error for algorithms that use finitely many function values. We prove that these problems suffer from the curse of dimensionality. That is, one needs exponentially many (in d) function values to achieve an error ". ...
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 573 R I. THE VOTING PIPELINE AND LOST VOTES, 2000 TO 2008. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 576 R II. THE VOTE-BY-MAIL PIPELINE . . . . . . . . . . . . . . . . . . . . . . . . 579 R III. THE RISE OF VOTE-BY-MAIL SINCE 1972 . . . . ...
Materials and methods: A data set consisting of 584 stroke patients was analyzed using MLP neural networks. Th e eff ect of prognostic factors (age, hospitalization time, sex, hypertension, atrial fi brillation, embolism, stroke type, infection, diabetes mellitus, and ischemic heart disease) on mortality in stroke were trained with 6 diff erent MLP algorithms [quick propagation (QP), Levenberg-...
The anti-emetic properties of metoclopramide were investigated by means of a doubleblind trial in normal labour in 584 women. The drug was also compared with an established anti-emetic drug, perphenazine. All patients were given pethidine as an analgesic. The incidence of vomiting after metoclopramide 10 mg or perphenazine 5 mg was significantly less than after normal saline. The incidences aft...
7Bender, M. A., and P. C. Gooch, these PROCEEDINGS, 48, 522 (1962). 8Bender, M. A., and P. C. Gooch, Radiation Research, 16, 44 (1962). Iijima, T., and A. Hagiwara, Nature, 185, 395 (1960). 10 Levine, M., Virology, 13, 493 (1961). "1 Reich, E., A. J. Shatkin, and E. L. Tatum, Biochim. Biophys. Acta, 45, 608 (1960). 12 Ibid., 53, 132 (1961). 13Bal, A. K., and P. G. Gross, Science, 139, 584 (1963...
Simultaneous stimulated Raman scattering (SRS) and second harmonic generation (SHG) are demonstrated in periodically poled lithium niobate (PPLN). Using a simple single-pass geometry, conversion efficiencies of up to 12% and 19% were observed for the SRS and SHG processes respectively. By changing the PPLN period interacting with the photonic crystal fibre based pump source and varying the PPLN...
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