The paper also provides a solution for the above problems, printed out that the study of medical polymers is a main subject of the latex industry.
文中指出,医用聚合物的研究将是国内外乳胶行业的主要课题之一。
For the above problems, the preparation and characterization of magnetic composite polymer microsphere with carboxyl groups and amido groups are studied in this thesis.
针对上述情况,本论文较为系统地开展了表面含羧基和氨基的磁性高分子微球的制备及表征研究。
Fristly the boundary value problems for the equations is formulated, and then by using the compactness principle, the existence of solutions for the above problems is proved.
先给出这些问题的提法,然后使用列紧性原理和极值原理证明了上述二阶椭圆型方程边值解的存在性和唯一性。
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