modifying methods

• 改性方法

modifying methods的用法和样例：

例句

1. The advances in physical and chemical modification methods of phospholipids were reviewed.
   综述了国内外磷脂物理和化学改性方法研究的进展。
2. The properties,preparation and modification methods of lithium cobalt oxide,lithium nickel oxide and spinel lithium manganese oxide were introduced.
   对锂钴氧化物，锂镍氧化物和尖晶石锂锰氧化物的特点，制备和改性方法作了介绍。