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lpuBNC¹⁴⁴⁶⁶⁴⁺³ 基本例句 Local Programming Unit,当地程序设计装置 Wheat straw oxygen alkaline lignin has more alcohol hydroxyl, so it is advantageous to synthesize lignin- based polyurethane LPU. 麦草氧碱木素含有较多的醇羟基,更适合木素型聚氨酯的合成。 cnki Comparing with the different generation HPUs with LPU mixed films, the gloss and hardness improve significantly. 对比各代 HPU掺杂涂膜发现,随代数的增加,光泽度和硬度明显提高。 www.cjcu.jlu.edu.cn Objective To study the biological effect of low-intensity pulsed ultrasound LPU on the cultured cell in vitro. 目的研究不同时间的低剂量脉冲超声波刺激对细胞增殖和细胞凋亡的影响。 cnki |