Latex in order to prevent deterioration, usually a certain amount of ammonia as a preservative.

乳胶，以防止恶化，通常是作为防腐剂氨一定的数额。

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The metal oxide layer acts as a protecting layer to prevent deterioration of the phosphor due to ion bombardment.

该金属氧化物层起保护层的作 用，以防止因离子轰击而破坏该磷光体。

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During rainy seasons, the walls are strengthened with new blocks, while the owners ask the guests to avoid licking the walls to prevent deterioration.

在雨季，墙壁会增加新的盐块来加固，而店主要求客人不要舔墙以防止墙壁破坏。

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"I think we are not in a war with the settlers, and we should do everything we can in order to reach an agreement in order to prevent any kind of deterioration in the region,".

VOA: standard.2009.12.21

One of the keys to treating pancreatitis is early, aggressive action to prevent rapid deterioration, Anderson wrote.

FORBES: Magazine Article

In 2008, the government nationalized two banks and injected billions of dollars of capital into other financial institutions, to prevent further deterioration of a crucial sector.

FORBES: Netherlands

The much-maligned political efforts of U.N. special envoy Kofi Annan, backed by the United States, were meant to find a political solution that could prevent precisely such a deterioration of the situation on the ground.

CNN: Preparing for Bashar al-Assad's exit