使降低 meaning in Chinese

dip v
pull down

The loss of salt through perspiration also reduces the amount of work that muscles can do
排汗导致的盐分流失也会使降低肌肉的工作能力。
When the content of nano - sio2 is3wt % , the mechanical properties of the nanocomposites were the best , impact strength is 98 % higher than that of epoxy resin , flexural strength is 112 % higher than when nano - sio2 is owt % . the differential scanning calorimetry analyses show that the addition of nano - sio2 increases the glass transition temperature
认为材料制备时所采用的硅烷偶联剂，使降低了纳米sio _ 2的表面能，有利于纳米sio _ 2粒子在环氧树脂中的分散并易被大分子链浸润，对材料纳米结构的形成和性能的改善具有重要作用。