方案摘要
方案下载应用领域 | |
检测样本 | |
检测项目 | |
参考标准 |
Water activity is defined as the current volume and availability of “free” water in a sample and should not be directly compared with the water content (g water/ g substance). The water activity is given as the aw – value and ranges between 0 (absolute dryness) and 1 (condensed humidity). Only this component takes an active part in the exchange with the ambient humidity and can possibly form the ideal medium for microbiological growth on the surface which influences the microbiological stability. The water activity also has an important effect on the chemical reactions in food.
毛细流孔隙仪在均热板毛细液芯性能测试的应用
赛默飞世尔FlashSamrt 元素分析仪对于煤焦油样品中CHNS/O的分析
布鲁克3D XRM 正品飞天茅台挑选记
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