This article reviewed the therapeutic use of chitosan as artificial lacrima, medical viscoelastic material, carrier of drug delivery systems and so on in ophthalmic disease.

本文就壳聚糖作为人工泪液、医用粘弹剂、药物缓释系统载体、抗纤维增生药物等的应用进行简要的介绍。

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Objective: To observe the influence of carrying out artificial rupturing membrane in early activity period on birth process progress and delivery.

观察在活跃早期行人工破膜对产程进展及分娩的影响。

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The dramatic change of sediment delivery ratio is caused by the formation of artificial sediment sinks, i. e. , sediment-trapping check-dams and reservoirs.

泥沙输移比的变化，主要是由于流域内人为沉积汇的形成所致。

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Instead of focusing on delivery there was too much stress on "artificial targets".

BBC: Digital divide sees elderly 'left behind'