Function contains natural plant sun screening agent to provide professional UVA/UVB protection to skin.
蕴含天然植物防晒剂，专业UVA/UVB防护，加固肌肤屏障。
The invention relates to ultraviolet screening agent, ultraviolet resistant fabric finishing liquid, and the finished fabric.
本发明涉及一种紫外线屏蔽剂、抗紫外线织物整理液及其所整理的织物。
To remove main disturbing ion, chlorine ion in the COD potassium dichromate reflux method, silver sulfate replaces mercury sulfate as a screening agent.
对cod重铬酸钾回流法中的主要干扰离子，氯化物的消除，选择了用硫酸银代替硫酸汞做掩蔽剂。
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