引导
发表于 2025-3-25 04:25:45
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Cholesterol
发表于 2025-3-25 08:46:28
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易达到
发表于 2025-3-25 15:35:29
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群居动物
发表于 2025-3-25 16:20:31
Anders Frömanble and that such systems are exceptions. The first of these statements is true; nonlinear systems, some of which we modeled in the previous chapters, generally do not have an explicit mathematical solution. However, the second statement, that nonlinear systems are exceptions, is false. Rather, many
Pamphlet
发表于 2025-3-25 19:58:02
Stig Lundqvist While the mathematical content does not exceed the level of a first-semester Calculus course, the book gives students all of the background, examples, and practice exercises needed both to use and understand environmental modeling. It is suitable for upper-level undergraduate and beginning-graduate
大范围流行
发表于 2025-3-26 01:15:31
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GLIB
发表于 2025-3-26 06:29:54
Some Comments on the Quantum-Mechanical Treatment of Defects in Ionic Crystals,rly interesting to notice that the effective many-ion forces, which are responsible for these deviations, actually came out of the calculations as a result of the careful treatment of the overlap between the ions. Löwdin’s alkali halide work shows what in a favourable case can be achieved by an “ab
Affectation
发表于 2025-3-26 09:48:05
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Chemotherapy
发表于 2025-3-26 15:10:25
,Quantization and a Green’s Function for Systems of Linear Ordinary Differential Equations,e theta component of angular momentum, all pose problems for the Schroedinger equation. Finiteness of wavefunction alone is not a reliable principle because it fails in the radial equation of the Dirac hydrogen atom. Thus the quantizing conditions which have been invoked for one potential or another
progestogen
发表于 2025-3-26 17:32:13
Laguerre Polynomials, Reminiscences from Uppsala,ded /l/. I was supposed to use the variational method. This was my first research problem and I started to work on it with great enthusiasm. After calculating matrix elements for three months I got to the stage of putting it on the computer. To my horror and surprise the result of the first run was