FTIR spectra of drug-containing PMMA film confirmed the existence of the interaction and the potential applications of two-dimensional UV correlation spectroscopy in drug release have been confirmed.
复方载药膜的红外光谱证明了这种相互作用的存在，验证了二维紫外相关光谱在药物缓释领域的潜在应用价值。
Particularly, we give the problem of existence of periodic solution of two-dimensional singular differential equation with delay, and give an example to illustrate the main results of this paper.
特别地，我们给出二维退化滞后微分方程的周期解的存在性问题，并在最后举例说明其应用。
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