screening agent

基本解釋

Nanosized titanium dioxide is an ideal physical UV-screening agent.
介紹了納米二氧化鈦屏蔽紫外線的原理；
Strippant, screening agent and their concentration are determined. Regeneration and recycle of the resin are studied.
對(duì)解吸劑和掩蔽劑及其濃度的選擇做了較詳細(xì)的探索，竝研究了樹(shù)脂再生和循環(huán)使用情況。
Based on different action principle, light stabilizers were defined as ultraviolet light screening agent, ultraviolet absorbent, quencher and free radical catching agent.
根據(jù)光穩(wěn)定劑作用機(jī)理的不同，將光穩(wěn)定劑分爲(wèi)光屏蔽劑、紫外線吸收劑、激發(fā)態(tài)猝滅劑及自由基捕獲劑。