植物群
发表于 2025-3-26 23:26:58
rchers and professionals alike.This open access book explores supply chains strategies to help companies face challenges such as societal emergency, digitalization, climate changes and scarcity of resources. The book identifies industrial scenarios for the next decade based on the analysis of trends
Myocyte
发表于 2025-3-27 04:12:11
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旧石器时代
发表于 2025-3-27 05:22:14
Introduction,els that will assist the decision-making process by helping to evaluate the consequences of choosing one of the alternative strategies available. Thus, mathematical models of the dynamics of a communicable disease can have a direct bearing on the choice of an immunization program, the optimal alloca
混合
发表于 2025-3-27 10:33:22
Strongly nonlinear models,ion; i.e. we have assumed that the force of infection due to the infective population is linear . corresponding to the classical ”law of mass action”. We have shown that, depending on the values of the parameters such models usually have a GAS trivial equilibrium corresponding to the disease free st
Stricture
发表于 2025-3-27 16:56:19
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Assemble
发表于 2025-3-27 18:50:01
Spatial heterogeneity,iterature on the subject by quoting ..In the theory of propagation of infectious diseases the motivation of the study of the effects of spatial diffusion is mainly due to the large scale impact of an epidemic phenomenon; this is discussed in de
corpus-callosum
发表于 2025-3-28 01:34:22
Age structure,een recognized as an important factor in the dynamics of epi- demic processes since 1760 by Bernoulli when reporting the data of a smallpox epidemic..Age dependent models have been analyzed in , and great atten- tion has been paid in connection with the analysis of real epidemics by Di
Ganglion
发表于 2025-3-28 02:36:11
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恫吓
发表于 2025-3-28 09:49:50
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