Methods 30 healthy volunteers were chosen to test their skin resistance of the extension part of their forearms in the condition of using the wetting or unwetting electrodes.
方法选择健康志愿者30名，分别测定左前臂伸侧在加湿和不加湿时皮肤阻抗的大小。
They not only provide excellent chemical resistance and pigment wetting, but also extra value on solubility.
该产品不仅具有出色的耐化学品性和颜料润湿性，而且具有极佳的溶解度。
The effect of curing regime, pre-wetting degree of lightweight aggregate, and the volume rate of sand on the frost resistance of high strength lightweight concrete is investigated.
采用快速冻融法研究了养护制度、轻集料的预湿程度和体积砂率对高强轻集料混凝土抗冻性能的影响。结果表明：轻集料混凝土具有良好的抗冻性能。
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