volume by volume concentration

基本解释

By undertaking strategies such as volume concentration, best price evaluation, and global sourcing, costs can be trimmed significantly.
同时市场定位战略，市场价格评估，全球资源整合对于降低成本也是行之有效的。
The quality and the yield of 10-HAD are mainly influenced by alcohol concentration, alcohol volume, back extractant water quantity, and temperature.
不同浓度、不同体积的乙醇对产率及质量有影响；不同体积的反萃取剂水对产率也有影响；不同温度对结晶有影响。
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Proton conducting capacity is dominated by proton conductivity and equivalent conductivity not by proton volume concentration, micro structure was visibly characterized by TEM.
认为决定质子交换膜传导能力的不是质子的体积浓度而是质子传导率和当量质子传导率，并通过透射电镜（TEM）直观表征了它们的微观结构。

The concentration of metal—as little as 2% by volume—is low enough not to constrain the material's elasticity, but high enough to conduct electricity.
ECONOMIST: MONITOR