窝转脊椎动物
发表于 2025-3-26 21:16:13
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大暴雨
发表于 2025-3-27 03:45:55
Bioeconomic Modeling and Resource Managementg of biological resource exploitation. Some of the material is covered in considerably greater detail in my books (Clark 1976a, 1985), but other topics represent more recent research. A numerically oriented problem book (Conrad and Clark, 1987) is also available.
MILL
发表于 2025-3-27 07:11:26
Models in Ecotoxicology: Methodological Aspects laboratory tests and microcosm studies to field situations, extrapolation across scales. Such extrapolation must be based on some underlying model or models; thus, models are an essential and ineluctable component of ecological risk assessment.
信任
发表于 2025-3-27 10:18:59
Deterministic and Statistical Models of Chemical Fate in Aquatic Systemstake and distribution in the aquatic food chain, (b) to illustrate the deterministic time variable behavior of chemical fate models with several applications to the Great Lakes and (c) to develop some statistical models of chemical variability in aquatic organisms, specifically, the fish.
hereditary
发表于 2025-3-27 16:09:03
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绝食
发表于 2025-3-27 18:27:00
Bioeconomic Modeling and Resource Managementg of biological resource exploitation. Some of the material is covered in considerably greater detail in my books (Clark 1976a, 1985), but other topics represent more recent research. A numerically oriented problem book (Conrad and Clark, 1987) is also available.
synovitis
发表于 2025-3-28 01:14:04
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比赛用背带
发表于 2025-3-28 02:49:52
Three Basic Epidemiological Modelsthese simplest models are formulated as initial value problems for systems of ordinary differential equations and are analysed mathematically. Theorems are stated regarding the asymptotic stability regions for the equilibrium points and phase plane portraits of solution paths are presented. Paramete
hankering
发表于 2025-3-28 08:41:33
The Population Biology of Parasitic Helminths in Animal Populationschapter will concentrate on mathematical models for ., the parasitic helminths, in wild, domestic and laboratory populations of animals. Instead of describing any group of models in specific detail, the development of the models from a common source is illustrated. Similarly, no formal proofs of the
畸形
发表于 2025-3-28 11:29:45
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