The establishment of an office of internal oversight services in the U. N. Secretariat was an important step taken with strong U. S. backing.

在联合国秘书处内设立内部监督事务厅，是在美国大力支持下采取的重要步骤。

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In this study, N-methylene phosphonic chitosan (NPCS) was synthesized via formaldehyde addition and condensation with phosphoric acid in a step reaction.

以甲醛和磷酸为反应试剂，采用均相反应法制备出壳聚糖(CS)的磷酸化衍生物-甲基磷酸化壳聚糖(NPCS)。

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In December Hun Sen told Asiaweek he favored a court convened in Cambodia with foreign assistance but outside U.N. auspices. (In a small step in that direction, Ta Mok's prosecutors have already sounded out help from France.) Hun Sen also fears that a Security Council veto by China would delay justice.

CNN: BIG BURDEN