100PPM等于%几?
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100PPM等于%几?100PPM等于%几?100PPM等于%几?PPM是百万分之几的意思,百万分之一百就是100/1000000=0.0001=0.01%PPM是十的负六次方,100PPM就是100
100PPM等于%几?
100PPM等于%几?
100PPM等于%几?
PPM是百万分之几的意思,百万分之一百就是100/1000000=0.0001=0.01%
PPM是十的负六次方,100PPM就是100乘以十的负六次方。即0.0001,即0.01%。明白?
PPM即为百万分之。100PPM为百万分之一百,即万分之一,即0.01%