指耕作 发表于 2025-3-27 00:19:14
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Peter L. Berger,Thomas Luckmannoblems and bibliographic notes are included.Fuchsian reduction is a method for representing solutions of nonlinear PDEs near singularities. The technique has multiple applications including soliton theory, Einstein‘s equations and cosmology, stellar models, laser collapse, conformal geometry and com冷淡一切 发表于 2025-3-27 10:34:16
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Reiner Kelleroblems and bibliographic notes are included.Fuchsian reduction is a method for representing solutions of nonlinear PDEs near singularities. The technique has multiple applications including soliton theory, Einstein‘s equations and cosmology, stellar models, laser collapse, conformal geometry and comCardiac-Output 发表于 2025-3-27 21:51:03
Nico Lüdtke process of decarburization of the bath the main task of blowing becomes the increase in the scrap melting rate in a limited zone of its charging due to an increase in the metal stirring intensity. The melting rate increases sharply when the lances are immersed into the melt to the slag-metal interf贿赂 发表于 2025-3-27 22:47:02
furnaces with a single charging and those with a telescoping shell; Specifics of furnace scrap hampering its heating by burners. The possibilities of using different types of burners for scrap heating are analyzed including stationary burners and jet modules as well as slag door, oriel, and roof rotparoxysm 发表于 2025-3-28 05:26:00
Asonzeh Ukahaddress, companies involved in fuel cells and hydrogen were riding a wave of national att- tion. The president’s 10-year program was an exciting, long-term effort designed to dramatically change the way Americans use and harness energy. With funding proposed at $1.2 billion for the first five years,artless 发表于 2025-3-28 07:07:26
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ust heat of the generating equipment is possible; (b) the optimal facility for the energy demand characteristic of a community is installed, and a system having small environmental impact can be built; and (c) with an independent micro-grid, the scale of equipment for distributing electricity is sma