Calculate according to the experiment please the vitriolic solute quality mark in this sewage.

请根据实验计算该污水中硫酸的溶质质量分数。

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Do you always put a quality mark on each container? For this shipment it is crucial to us that you do.

每个包装箱上也有品质标签吗？这点对这批货很重要。

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Choosing Shanghai Jiujing antiseptic product with the corresponding specification and corresponding quality mark according to the usage.

根据预定用途选择相应规格及具有相应品质标记的上海久景防腐材产品。

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Instead, the team modified a substance known as Powder Suspension, a thick, tar-like material, and found that it produced a clear, high-quality mark on the smooth-surfaced food items such as onions, apples and tomatoes.

BBC: Fingerprint on food

But although it has lost its "quality mark" - a badge that shows the authorities think it is "fit for purpose", it is still being used as the basis for setting some pension payments.

BBC: UK inflation rate nudged up to 2.8% by rising fuel costs

Another mark of quality: For four consecutive years, Infosys has ranked on our listing of the world's best small companies (though it might not qualify this year, because it may have become too big).

FORBES: The softest pillow