Records are maintained of specifications, supplier qualification and testing to ensure product meets purity, strength and composition.

保留规格，供应商资质与测试记录以保证产品满足纯度，功能与组成。

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The monograph specifications of identity, strength, quality, and purity apply throughout the shelf life of the product.

在有效期内，产品须符合各论中有关鉴别、效价、质量和纯度的规定。

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These papers exhibit very low thermal conductivity and are designed for use in applications where purity, cracking resistance, high strength and resistance to heat are paramount.

这种纸导热系数低，专门设计应用于对纯度要求高，抗开裂、高强度和抗热的应用场合。

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It served to remind men of the qualities mental courage, spiritual wisdom, purity of mind and strength of character embodied in the feminine spirit, without which, according to Hindu scriptures, the cosmos would collapse into decadence and chaos.

WSJ: India Needs a Sexual Revolution

The real strength of scientific culture, and in general of culture, stands in its lack of purity.

UNESCO: Science Policy and Capacity-Building