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Semiautomatic readout for stage coordinates for multiple microscope systems

✍ Scribed by J. Bashista; L. Jensen; F.W. O'Dell; B. Stiller


Publisher
Elsevier Science
Year
1970
Weight
837 KB
Volume
77
Category
Article
ISSN
0029-554X

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Multiple positive periodic solutions for
✍ Zhouhong Li; Kaihong Zhao; Yongkun Li πŸ“‚ Article πŸ“… 2010 πŸ› Elsevier Science 🌐 English βš– 222 KB

This paper is concerned with a non-autonomous stage-structured predator-prey model with harvesting terms. By means of the coincidence degree theory, we establish the existence of at least eight positive periodic solutions for the system under consideration. An example is given to illustrate the effe