在绝缘套上只要出现缺口或者毛细裂缝,线缆里的铜周围的电场就会轻微改变。
Whenever there's a Nick or hairline crack in an insulation sheath, the electrical field in the underlying copper subtly shifts.
自养护剂可以提高混凝土胶凝材料的水化程度,降低混凝土内由于水化反应导致的毛细孔水面下降所产生的压应力,减少了微裂缝的产生。
Autogenous curing agent can improve the hydration degree of concrete, reduce the compressive stress which dropping of water in capillary of concrete caused and sensitivity to cracking.
裂缝发育的低渗灰岩储层,当基质岩块为混湿及油湿时,毛细渗吸驱油作用很弱。
For naturally fractured low permeable limestone reservoirs, the oil displacing function by spontaneous imbibition of water is weak when the matrix rock surfaces are mixed wet or oil wetted.
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