The results indicate that sulfate chitosan with different molecular can be obtained through varying the reaction temperature and they have different antibacterial effects on St. aureus and E. coli.
结果表明：改变反应温度可制备不同分子量的壳聚糖硫酸酯，并且其对金黄葡萄球菌、 大肠杆菌有不同的抑菌效果。
Education solutions and specialised training are integral parts of ST Electronics' e-Government business activities.
教育服务和专门的培训是新科电子在电子政务方面的商业活动的主要部分。
Enter your building number and street name, without punctuation. Example: 280 Wellesley st e.
输入您的门牌和街道名称，没有标点符号。例如：280韦尔·斯利东街。
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