The log() function returns the natural logarithm (base E) of a number.
函数的作用是：返回一个数值的自然对数。
2
Natural gamma ray spectral log is a new type of well logging method.
自然伽马能谱测井是一种新的测井方法。
3
This article mainly deals with the resolution enhancement technique and its application in radioactive logs, such as natural gamma log, compensated neutron log and compensated density log.