Starch can be modified by physical, chemical and biologic degradation methods and be used in various fields.
淀粉可以通过物理、化学的改性和生物降解制得性质各异、适用于不同应用领域的改性淀粉。
·2,447,543篇论文数据，部分数据来源于NoteExpress
Land reclamation, city and port development, pollution and excessive use of coastal biologic resource are considered as the main environmental forcing factors to the degradation of coastal wetlands.
本文对滨海湿地退化的主要原因进行了分析，指出围垦、城市与港口开发、污染及生物资源过度利用是造成滨海湿地退化的主要因素。
youdao
应用推荐
模块上移
模块下移
不移动