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Seven UV absorbers of benzotriazol structure were prepared by diazotisation, coupling and reduction. 经过重氮化、偶合、还原反应，合成了7个不同结构的苯并三唑类紫外线吸收剂。
Using products with UV absorbers can help a little bit, but focus on leave in products because rinse out products aren’t very effective at depositing significant amounts of sunscreening agents. 你可以把它们想成是极小的用蛋白质做成的三明治。
The different kinds of ultraviolet absorbers were reviewed,and the benzotriazole type UV absorbent were emphatically introduced. 综述了不同种类的紫外线吸收剂,着重介绍了苯并三唑类紫外线吸收剂。
The different kinds of ultraviolet absorbers were reviewed, and the benzotriazole type UV absorbent were emphatically introduced. 摘要综述了不同种类的紫外线吸收剂，着重介绍了苯并三唑类紫外线吸收剂。
Determination of UV Absorbers in Cosmetic by HPLC 高效液相色谱测定化妆品中的紫外线吸收剂
Keywords UV absorbers Benzotriazol Synthesis; 紫外线吸收剂;苯并三唑;合成;
Laboratory UV absorbance spectroscopy requires the transmission of UV energy through samples held in cuvettes. 实验室紫外线吸收光谱法要求紫外光能穿过装在小型管里的样品进行传输。
PETROLEUM PRODUCTS AND LUBRICANTS. DETERMINATION OF THE UV ABSORBANCE INDEX OF DMSO EXTRACT OF NEAT CUTTING OILS. 石油产品和润滑油。净馏分油DMSO抽提物紫外吸收指数的测定。
The relic protection material B72 was developed by modifying acrylic resin with benzotriazole UV absorber. 研制了苯并三唑类紫外线吸收剂改性丙烯酸树脂文物保护材料。
It can be confirmed from the UV absorbent spectrum that the product has certain ultraviolet absorption. 通过对改性产物的紫外光谱表征发现产物具有一定的吸收紫外线能力。
Purposes：Benzophenone UV absorber, organic pigments, medicine, spices, pesticide intermediates. 用途：二苯甲酮是紫外线吸收剂、有机颜料、医药、香料、杀虫剂的中间体。
A external method is developed for determination of fenobucarb and impurity by HPLC with reversed chromatographic column and UV absorbance detector. 采用高效液相色谱法,使用反相色谱柱和紫外检测器,用外标法对仲丁威原药的有效成分及主要杂质进行定量分析。
The results showed that UV absorbance spectrum of artificial antigen of GA-BSA changed compared with carrier BSA and hapten GA. 鉴定结果表明：人工抗原的紫外光谱图与载体蛋白和半抗原的紫外光谱相比均发生变化；
The new UV absorbance peaks of these complexes were found.The resistivities of the polymer bulks and the complexes were tested. 聚硅烷还可与某些电子受体形成复合物,形成的复合物在紫外尤谱上都有新的吸收峰出现。
Powerful shock absorbers cushion our landing. 有效的减震装置缓解了我们著陆时的冲撞力。
Aromatic fibres provide a good filter for UV B rays, but the UPF can be improved markedly with a newly developed, specific UV absorber which also screens UV Arays. 芳香纤维对UV B段辐射有很好的过滤作用 ,但随着新开发的也可屏蔽UV A段辐射的UV吸收剂的出现UPF值得到了巨大改善。
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.
The results from SEM, XRD, and UV absorbing spectra show that the reduction happens between the aldehyde and the ammonia-silver solution in the straight plating, but Ag rep... 在直接镀银工艺中,发生地是醛基与银氨液的还原反应,而在预先镀镍再镀银的工艺中,银先与镍进行置换反应,然后再与醛基发生氧化还原反应。
Three detecting methods in yeast proteinase A (PrA) assay including UV absorbance, Lowry method and modified Bradford method were compared when using casein or hemoglobin . 酵母蛋白酶A是啤酒酵母中的一种蛋白水解酶,啤酒中残留的酵母蛋白酶A对啤酒泡沫有负面作用。
The retailer has to absorb the cost of wastage. 零售商须承受耗损的费用。