The sampling amount of groundwater and concentrated volume were optimized.
优化了固相膜萃取的地下水采样量和浓缩体积。
I'm going to say, quite to the contrary, the positive charge is concentrated at the center in a tiny, tiny, tiny volume.
我要说的是，完全相反，正电荷集中在中心，在一个非常非常小的体积内。
High concentrated SC offer a number of benefits. These include: an absence of dust and solvent, high suspension rate on dilution, lower packing volume and production cost.
高浓度悬浮剂有许多优点，如无粉尘、无溶剂、高悬浮率、较低的包装体积和生产成本。
High concentrated SC offer a number of benefits. These include: an absence of dust and solvent, high suspension rate on dilution, lower packing volume and production cost.
高浓度悬浮剂有许多优点，如无粉尘、无溶剂、高悬浮率、较低的包装体积和生产成本。
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