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The mechanical parameters of cement not only affect mechanical analysis of engineering structure under downhole working condition , but also linked to cement sheath using security judgment.through measuring mechanical parameters of oil well cement using mechanical parameters tester(MPRO) under different curing temperature (45 ℃ - 150 ℃), pressure (0-40MPa), the oil well cement contain class G oil well cement,jiahua gigh-strength low density cement and so on,this paper discussing curing time, curing temperature, pressure and admixture (outside admixtures) influence on elastic modulus,poisson's ratio and intensity of cement paste. |
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山东双非院校考核超级无底线，领导幸灾乐祸，教师遭殃恐
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