The effective surface area of the drug may be increased enormously by a reduction in the particle size.

药物的有效的表面也许被对颗粒大小的减少增加极大地。

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Bonding a steel plate at the surface of the tensile area is an effective method to reinforce the rc beams.

在受拉区表面粘贴钢板是加固钢筋混凝土梁的一种有效方法。

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Moreover, it has a very high perforation density, so that a small surface area is sufficient for effective measurement.

此外，它具有非常高的孔眼密度，以便小的表面区域就足够用于有效测量。

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These will be much more effective at filtering contaminated water because the beads will have greater surface area for the arsenic to bind to than the plastic chips.

FORBES: "Plastic Bottle" Filters Can Help Millions Poisoned by Arsenic-Contaminated Water