標(biāo)題: Titlebook: Shock Waves and Reaction—Diffusion Equations; Joel Smoller Textbook 19831st edition Springer-Verlag New York Inc. 1983 Partielle Different [打印本頁] 作者: 詞源法 時間: 2025-3-21 17:27
書目名稱Shock Waves and Reaction—Diffusion Equations影響因子(影響力)
書目名稱Shock Waves and Reaction—Diffusion Equations影響因子(影響力)學(xué)科排名
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作者: Incumbent 時間: 2025-3-21 22:30
nd landscape research..The landscape research approach with Landscape Development and Climate Change in Southwest Bulgaria aims to address some of the current limitations in our understanding of past Balkan climate and environment. High mountains and their ecosystems offer an outstanding opportunity作者: 激怒 時間: 2025-3-22 04:26 作者: concentrate 時間: 2025-3-22 05:18
Joel Smollernd landscape research..The landscape research approach with Landscape Development and Climate Change in Southwest Bulgaria aims to address some of the current limitations in our understanding of past Balkan climate and environment. High mountains and their ecosystems offer an outstanding opportunity作者: admission 時間: 2025-3-22 09:19
Joel Smollernd landscape research..The landscape research approach with Landscape Development and Climate Change in Southwest Bulgaria aims to address some of the current limitations in our understanding of past Balkan climate and environment. High mountains and their ecosystems offer an outstanding opportunity作者: 不感興趣 時間: 2025-3-22 13:49
Joel Smollerg the causes accounting for their distribution patterns, and the results may serve to determine the conservation status of geophytes in central Chile. To our knowledge, this is the first time that an assessment of the conservation status, based on objective data, has been attempted for geophytes. Fi作者: abstemious 時間: 2025-3-22 18:03
Joel Smollerg the causes accounting for their distribution patterns, and the results may serve to determine the conservation status of geophytes in central Chile. To our knowledge, this is the first time that an assessment of the conservation status, based on objective data, has been attempted for geophytes. Fi作者: correspondent 時間: 2025-3-23 00:52 作者: Congregate 時間: 2025-3-23 02:28 作者: Cloudburst 時間: 2025-3-23 07:41 作者: 口訣 時間: 2025-3-23 09:48 作者: 小步走路 時間: 2025-3-23 16:38
Aral Sea, the Kyzyl-Kum and Karakum deserts east of the Caspian Sea, the Iranian Dasht-e-Kavir and Dasht-e-Lut deserts and the deserts in Afghanistan, Sahara and Taklamakan deserts. Therefore, Tajikistan is frequently affected by severe dust events every year (from April to November) and is serving 作者: Irrepressible 時間: 2025-3-23 18:34 作者: 我要威脅 時間: 2025-3-24 01:28 作者: 獨(dú)輪車 時間: 2025-3-24 05:11
Joel Smollerdentical as not two watersheds and rainfall characteristics are identical. This calls for the development of hydrographs for every watershed. However, there are few number of gauged streams as the installation and management costs are expensive. Many models have been developed to overcome these prob作者: Salivary-Gland 時間: 2025-3-24 07:22 作者: 烤架 時間: 2025-3-24 13:35
Joel Smollerotection of unique, scarce, and rare resources, avoidance of hazards, protection of limited resources for controlled use, and accommodating development in appropriate locations (Fabos 1985). Sustainable landscape planning has been strongly supported through major international policy agreements, and作者: 出處 時間: 2025-3-24 16:28
l resources. Hierarchical approaches to these processes should be able to link these processes across multiple scales into simulation models of community and landscape dynamics (Urban et al. 1987; Pickett et al. 1987). In recent years, considerable progress has been made in landscape ecological anal作者: 撫育 時間: 2025-3-24 21:26 作者: 接合 時間: 2025-3-25 00:04
Joel Smollersider complex problems concerning land use policy and management. We are increasingly realizing the need to deal with these issues at the relevant scale, which in many cases is at the landscape or regional scale. The underlying reason for this is the prevalence of patterns and processes which operat作者: Ovulation 時間: 2025-3-25 04:10 作者: Narrative 時間: 2025-3-25 08:00 作者: endarterectomy 時間: 2025-3-25 11:57 作者: 軌道 時間: 2025-3-25 17:30 作者: 逢迎春日 時間: 2025-3-25 22:35 作者: cortisol 時間: 2025-3-26 03:33 作者: abolish 時間: 2025-3-26 06:36
Joel Smollere, and what has been done toward the conservation of geophytes in mediterranean regions. On the other hand, many of these plants have attractive flowers (Hoffmann 1989), and knowledge of their biology and requirements is useful for cultivation, in turn helping to preserve some threatened species.作者: 聚集 時間: 2025-3-26 10:10
Joel Smollere, and what has been done toward the conservation of geophytes in mediterranean regions. On the other hand, many of these plants have attractive flowers (Hoffmann 1989), and knowledge of their biology and requirements is useful for cultivation, in turn helping to preserve some threatened species.作者: 蔓藤圖飾 時間: 2025-3-26 16:27
Joel Smollere, and what has been done toward the conservation of geophytes in mediterranean regions. On the other hand, many of these plants have attractive flowers (Hoffmann 1989), and knowledge of their biology and requirements is useful for cultivation, in turn helping to preserve some threatened species.作者: 減至最低 時間: 2025-3-26 17:20
Joel Smollere, and what has been done toward the conservation of geophytes in mediterranean regions. On the other hand, many of these plants have attractive flowers (Hoffmann 1989), and knowledge of their biology and requirements is useful for cultivation, in turn helping to preserve some threatened species.作者: 萬花筒 時間: 2025-3-26 23:05 作者: 積極詞匯 時間: 2025-3-27 04:05 作者: appall 時間: 2025-3-27 06:28
ir formation in Central Asia are discussed in the context of their diverse impact. In addition to significant reduction of visibility and human health issues, dust storms affect the surface radiative regime. As a result, dust storms may cause a decrease in temperature during daytime of up to 16?°C a作者: 等級的上升 時間: 2025-3-27 12:30
Joel SmollerH methods at Guvenc micro-watershed in Turkey. Global Mapper was used to download Digital Elevation Model (DEM), and Watershed Management System (WMS) software was used to manipulate the DEM and generate necessary data in accordance with the requirements of each SUH method. The peak discharge and th作者: Mechanics 時間: 2025-3-27 13:45 作者: Thyroxine 時間: 2025-3-27 20:26
Joel SmollerH methods at Guvenc micro-watershed in Turkey. Global Mapper was used to download Digital Elevation Model (DEM), and Watershed Management System (WMS) software was used to manipulate the DEM and generate necessary data in accordance with the requirements of each SUH method. The peak discharge and th作者: Glossy 時間: 2025-3-28 00:03 作者: 滴注 時間: 2025-3-28 02:44
Joel Smollernd in the context of this chapter, this challenge for sustainable landscape planning has also inspired a dialogue between ecologists and landscape planners within the discipline of landscape ecology (Forman 1990a; Golley and Bellot 1991; Vos and Opdam 1993; Hersperger 1994; Langevelde van 1994).作者: Extricate 時間: 2025-3-28 09:52 作者: FRAUD 時間: 2025-3-28 13:55
Joel Smoller‘s land management and conservation problems. It is appropriate, therefore, to assess the current status of landscape ecology, not only in terms of its theoretical constructs and scientific rigor, but also in terms of its ability to provide principles and methodologies applicable to management and p作者: muffler 時間: 2025-3-28 15:50 作者: extinct 時間: 2025-3-28 22:22 作者: 粗語 時間: 2025-3-28 23:01
The Single Conservation Lawation of the approximants, rather than (the usually encountered) bounds on derivatives, since the latter bounds would imply via the standard compactness criteria, that the limit would be .; we know that this is not generally true.作者: 截斷 時間: 2025-3-29 03:44 作者: 正論 時間: 2025-3-29 10:03
The One-Dimensional Wave Equationwill be used in various places throughout the book, albeit at a “higher dialectical” level. The equation is derived from physical considerations, and in the case we consider here, the solution .(., .), may be thought of as describing the position of a vibrating string at a point . at a time ..作者: unstable-angina 時間: 2025-3-29 12:54 作者: Felicitous 時間: 2025-3-29 19:18
Second-Order Linear Parabolic Equationsthe fact that the equations are not invariant under the reversal of time; i.e., under the transformation . → ?.. This means that knowledge about the “past” is lost as time increases. For example, there may be dissipation effects which lead to an increase in entropy and a consequent loss of information.作者: DEFER 時間: 2025-3-29 21:37 作者: Type-1-Diabetes 時間: 2025-3-30 02:33 作者: 發(fā)芽 時間: 2025-3-30 07:44 作者: 不出名 時間: 2025-3-30 08:20 作者: Abjure 時間: 2025-3-30 12:44
Uniqueness and Energy IntegralsWe shall extend the method of energy integrals to more general second-order (hyperbolic) operators. This “energy” method is a basic technique in the modern theory of partial differential operators, and in the course of our development, we shall establish some interesting and important classical inequalities.作者: 多骨 時間: 2025-3-30 18:27
An Initial-Value Problem for a Hyperbolic EquationWe consider the equation for the homogeneous operator .: . with initial data . We assume that each . is constant, and that the hyperplane . = 0 is non-characteristic with respect to .. Since the normal vector to the surface . = 0 is (1, 0, …, 0), this means . ≠ 0; thus we assume .. = 1.作者: Amorous 時間: 2025-3-30 23:26
Second-Order Linear Elliptic EquationsSolutions of elliptic equations represent .; i.e., solutions which do not vary with time. They often describe the asymptotic states achieved by solutions of time-dependent problems, as . → ∞. Physically speaking, all the “rough spots” smooth out by the time this steady state is achieved.作者: dissolution 時間: 2025-3-31 02:40 作者: 服從 時間: 2025-3-31 08:24
Holmgren’s Uniqueness Theoremanalytic solution to this problem. Holmgren’s uniqueness theorem denies this possibility. We shall also find this result useful in Chapter 6 where we shall apply it to determine qualitative information on domains of dependence. For this reason, we shall prove a rather general version of the theorem.作者: 審問,審訊 時間: 2025-3-31 09:24
Bifurcation Theorywhen a solution (., .) of (13.1) lies on a “curve” of solutions (., .(.)), at least locally; i.e., for |. — .| < ε. We may also inquire as to when (., .) lies on several solution curves, (., .(.)), (., .(.)),….作者: Rebate 時間: 2025-3-31 17:24
Comparison Theorems and Monotonicity Methodsabolic equations as . → + ∞. As a second application of the maximum principle, we shall show how it can be used to prove existence theorems. This is the method of “upper” and “l(fā)ower” solutions, the solution being the limit of a monotone iteration scheme, where the monotonicity is a consequence of the maximum principle.作者: MONY 時間: 2025-3-31 20:04 作者: EXUDE 時間: 2025-4-1 01:44
Characteristics and Initial-Value Problemsoses the existence of a distinguished coordinate, ξ, where the equation ξ = 0 defines the “initial” surface. Of course, as we have seen in the last chapter, one needs some kind of compatibility between the equation and the initial surface. The notion of characteristic serves to classify and make more precise these intuitive ideas.作者: 領(lǐng)先 時間: 2025-4-1 02:00
Topological Methods necessary in order that the subject develop rapidly. In any case, already in the twenties and thirties, people like Morse, Leray, Schauder, and others, were applying topological methods to differential equations. It is our purpose here to explain the relevance of some of these techniques to nonlinear differential equations.
