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Terms for subject Explosives and Explosive Ordnance Disposal containing mean | all forms | exact matches only
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arithmetic mean particle diameter算术平均粒径
arithmetic mean value算术平均值
harmonic mean谐和平均值
logarithmic mean particle diameter对数平均粒径
mean fragment sizeK50碎块平均尺寸50%质量或体积的碎片物料通过的方形网目尺寸,单位为m
mean grain size平均粒径土中比之小的颗粒含量为总质量50%的粒径(d₅₀)
mean load per unit cycle循环平均阻力一个采煤循环内支架〈支柱〉阻力的时间加权平均值
mean passing size平均过筛粒度
mean reduction ratio平均破碎比
mean square deviation均方差某项试验指标各测定值与其算术平均值之差的平方值的总和除以测定总次数所得的商的平方根
mean square error中误差某项试验指标的均方差与测定总次数平方根的比值
mean velocity测量
prescribed mean and standard deviation预定的平均标准偏移量
resulting mean passing size最终平均筛分粒度
root-mean-square均方根值
The mean or average firing time for any group of detonators typically is slightly offset from the nominal firing time. This shift of the mean from the nominal is the first timing accuracy factor. The distribution of the firing times around the mean firing time is the second factor一组雷管的平均起爆时间一般稍微偏离标称的起爆时间。这种平均值对公称值的偏移则是第一个影响定时精确的因素。在平均值附近的起爆时间分布是第二个因素
This approach to the derivation of rock factors has been used by many field operators in a wide range of blasting and fragmentation studies and has been shown to lead to a reasonable estimate of the required blasting intensity and the resulting mean passing size in a wide range of blasting environments很多实地操作人员把这种求导岩石系数的方法广泛应用于爆破剂破岩研究之中、并证明应用这种方法可以合理地估算所需的爆破强度以及诸多爆破环境下岩石的最终平均过筛粒度
time-weighted mean load density时间加权平均工作阻力

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