缓释剂 meaning in English

controlled release formulations
extended-release

Study on the antioxidation and its mechanism of compound trace element retarder
复合微量元素缓释剂抗氧化作用及机理研究
The effect research for the application of new urea slow - release inhibitor to corn fields
玉米田应用新型尿素缓释剂效果研究
At end - point , the venlafaxine xr group had a significantly greater decrease in the number of days with headache compared with placebo ( p = 0 . 05 )
治疗结束时，与安慰剂比较，文拉法辛缓释剂明显减少了头痛天数。