因此，它们在性质上的唯一区别应该可通过观测两种香芹酮的气味和旋光仪中旋光度的符号而得知。
Hence, the only difference in properties one should observe for the two carvones are the odors and the signs of rotation in a polarimeter.
而冷冻干燥的疫苗则在置入微针模子前与乙烯基吡咯烷酮单体混合、并在室温下用紫外光将混合物聚合。
Freeze-dried vaccine was mixed with the vinyl-pyrrolidone monomer before being placed into microneedle molds and polymerized at room temperature using ultraviolet light.
目的：探讨局部5-氨基酮戊酸光动力学疗法（ALA-PDT）治疗老年疣病的疗效。
Objective:To investigate the effects of 5-aminolaevulinic acid-photodynamic therapy(ALA-PDT) in the treatment of senile warts.
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