40 research outputs found
Some Preliminary Studies for Treating the Three-Body Scattering Problems
As a preliminary step for handling the three-body scattering problems, here we present the following three new methods: A method of acceleration for iterative calculations, a method for treating the scattering from a non-local potential, and a method for treating the three-body breakup channel. Convergence of elastic scattering channel is studied
A Fortran Program for Computation of Triton Bound State with a Velocity-Dependent OBE Potential(TRIOBE)
We present a general formulation for computation of ^3He bound state based on our iterative approach to the Faddeev equation as applied to a velocity-dependent one-boson exchange two-nucleon potential. The formulation is coded into a Fortran program named TRIOBE, and its description and a listing together with a detailed account of computational technique involved are presented. The code applies to the triton state with the ^1S_0 and the ^3S_1+^3D_1 states for the interacting pair and an s and d states for the spectator
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PERFECT V : A Fortran Program for the Calculation of the ^3H Bound State with the RSC5 Potential(Annual Report)
The detailed description of the program named PERFECT V is presented together with the listing of the code in FORTRAN. This code is an extension of the code PERFECT published previously, and treats the ^3H bound state with the RSC5 potential using the perturbation approach to the Faddeev equation. The major difference from the code PERFECT is the inclusion of the spectator d-wave and the treatment of the effect of particle exchanges. This effect is treated by means of Moshinsky\u27s formula as explained in a separate report, so that the extension to include the Coulomb interaction is easy.Triton bound state with the Faddeev equationReid soft core potentialInteracting S-D-states and spectator s-d-stat
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µã¯é«ãã¢ã«ã³ãŒã«æ¿åºŠãåŸãã®ã«æå¹ãªæ¹æ³ãšããã£ããçç çæç©ã®ã¡ã¿ããŒã«å¯æº¶æ§ãªã°ãã³ãåæãšããŠãªã°ãã³ãšããã·æš¹èãæ¯èŒç容æã«åæãããããªã°ãã³ãšããã·æš¹èã¯ãã¹ãã§ããŒã«Aç³»ãšããã·æš¹èãªã©ãããç±ç¡¬åæ§ãšèç±æ§ã«åªããŠããããšãæããã«ãªã£ããSteam explosion is one of the effective pretreatment methods for the utilization of plant and animal wastes. Effects of steam explosion on the modification of plant and animal wastes were atudied experimentally. Wastes were treated with high-pressure steam (2.55,3.04,3.53 and 4.51 MPa) for 0.5-20 min. The exploded product was separated into water-soluble hemicellulose, holocellulose, methanol-soluble lignin and Klason lignin. The effects of steam explosion on the characteristics of the exploded product were studied from experimental data on pH,amounts of extractive components and enzymatic saccharification. The enzymatic saccharification increased with increasing amounts of methanol-soluble lignin, and was affected by the pore size distribution. New pores for enzymatic saccharification were formed with a variety of diameters in the exploded product by the steam explosion. The enzymatic hydrolysis and ethanol productivity were compared in two cultures : a liquid culture of enzymatic saccharification and fermentation in two steps, and a simultaneous culture of saccharification and fermentation. From the results of these cultures, it was confirmed that the simultaneous culture of saccharification and fermentation was the most effective for producing alchol from the exploded product. The lignin epoxy resin was synthesized from methanolsoluble lignin of exploded product. It was found that the lignin epoxy resin was more easily heat hardened and heat stable than the epoxy resin of bisphenol A.ç 究課é¡/é åçªå·:05680484, ç 究æé(幎床):1993 â 1994åºå
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