The relic protection material B72 was developed by modifying acrylic resin with benzotriazole UV absorber. 研制了苯并三唑類(lèi)紫外線(xiàn)吸收劑改性丙烯酸樹(shù)脂文物保護材料。
These tampons are made of cotton or similar absorbent material, and they are introduced into the vagina where they absorb the menstrual flow. 止血棉用棉花或相似的吸收劑制成，它被插入陰道，用于吸收月經(jīng)血。
We found that porphyran is a kind of good material for optical limiter. 研究發(fā)現，卟啉類(lèi)反飽和吸收材料有很好的光限幅作用。
There were no clinical signs or symptoms of reaction to the bioabsorbable material. 沒(méi)有發(fā)現生物可吸收材料的反應導致的臨床征象和癥狀。
