对于美国棋布星罗的智囊机构而言，这是“美国例外论”大行其道的一周。
IT is exceptionalism week in the world of American think-tanks.
方法：紫外分光光度法测定氟罗沙星注射液含量，用初均速法预测其有效期。
Methods: the content of fleroxacin injection was determined by UV spectrophotometry, the expiry term was predicted by initial average rate methods.
目的：考察氟罗沙星注射液的稳定性，并预测其室温贮存有效期。
Objective: to study stability of fleroxacin injection at room temperature as to predict its expiry term.
目的：对氟罗沙星的合成工艺进行了改进以提高其收率。
BJECTIVE: To raise the yield of fleroxacin, its synthetic technic was improved.
美国天文学会在帕萨迪纳市（美国加州）的会议上，发布了罗塞塔号行经司琴星时传回的第一批观测成果。 结果显示，司琴星尽管体积不大，其表面却覆盖有一层尘土。
First results from the encounter, announced at the American Astronomical Society meeting in Pasadena, suggest the asteroid, small though it is, is covered with a layer of dust.
美国天文学会在帕萨迪纳市（美国加州）的会议上，发布了罗塞塔号行经司琴星时传回的第一批观测成果。 结果显示，司琴星尽管体积不大，其表面却覆盖有一层尘土。
First results from the encounter, announced at the American Astronomical Society meeting in Pasadena, suggest the asteroid, small though it is, is covered with a layer of dust.
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