| 1. | Quenching agents could be particularly effective in combination with ultraviolet absorbers . 猝灭剂与紫外线吸收剂并用时效果更为突出。 |
| 2. | Abstract : the synthesis refining and application of uv - absorber uv - b are studied in this article 文摘:对紫外线吸收剂uv - b的合成、精制及应用进行了研究报道。 |
| 3. | Method for the determination of ultra - violet absorbents in cosmetics for import and export . liquid chromatography 进出口化妆品中紫外线吸收剂的测定.液相色谱法 |
| 4. | In addition , the photocatalytic activity of the zn2al - ldh / organic uv absorbent composites for phenol photodegradation was very low 另外, zn _ 2al - ldh /有机紫外线吸收剂复合体对苯酚的光降解反应的光催化活性非常低。 |
| 5. | The characteristics , synthesis method and application of various ultraviolet ray absorber are reviewed , and the recent progress of ultraviolet ray absorber is summarized 系统阐述各类紫外线吸收剂的优缺点、合成方法及应用,详述了近几年紫外吸收剂的研究进展。 |
| 6. | Abstract : uv absorber bad is prepared with phenol , acetone , and salicylic acid as primary materials . the proper binding about acid agents and the annealed solvent are selected 文摘:以苯酚、丙酮、水杨酸为主要原料合成紫外线吸收剂bad ,并选择了合适的缚酸剂、重结晶溶剂 |
| 7. | Adopting imported improver , and with ultraviolet - radiation - proofabsorbent , plastic doors and windows remain the same color and unbrickled without aging under burming sun , heavy rain , dryness and wetness from 30 to 70 采用进口改性剂,原料中添加防紫外线吸收剂,在- 30 - 70度之间烈日、暴雨、干燥、潮湿之变化中不变色、不老化、不脆化。 |
| 8. | Manufacturer of organic bromine compounds in india . products include alkyl , acetyl , and allyl bromides , bromo - aromatics , and ethylene dibromide , for use as intermediates in fine chemical and pharmaceutical manufacture -提供紫外线吸收剂benzophenone系列和医药中间体:琥珀酸单乙脂酰氯罗红侧链二环乙基碳二亚胺溴乙醛缩二乙醇等的单位。 |
| 9. | When the organic uv ray absorbers in their anionic forms were intercalated into the layers of the zn2al - ldhs , their uv absorption ability increased further , and their oxidation catalytic activity for the air oxidation of castor oil greatly decreased 当有机紫外线吸收剂以它们的阴离子形式嵌入到zn _ 2al - ldh层状化合物的层间后,它们的紫外线吸收能力明显增强,而氧化催化活性明显降低。 |