Introduced different molecular weight PEG in chitosan by solvent casting method, the blending system had good compatibility, reached homogeneous phase of the thermodynamic level.
用溶液浇铸法在壳聚糖中引入的不同分子量的聚乙二醇，共混体系相容性好，实现了热力学水平上的均相。
Thermodynamic entropy draws all chemical reactions down to their minimal energy level.
热力学的熵变将所有化学反应拉到它们的最低能量值[5]。
An explicit metric algorithm is provided to calculate energy level efficiencies of steam thermodynamic cycle with multiple energy levels.
提出了多能级蒸汽循环能级效率的显式矩阵算法，可根据主循环参数直接求取能级效率，无需进行迭代。
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