Finding and developing costs in the USA 1945-1985 The average ratio of value to post-tax cost over the whole period 1955-88 is 1.6. (The only years with values below unity are, significantly, during... MA Adelman,MIOTE Laboratory 被引量: 6发表: 1988年 ...
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The initial hypothesis was that an increase in total clean volume would tend to increase the average surface treating pressure simply based on the fact that there is only a finite fracture volume. The coefficient estimate of −0.044 counters the initial hypothesis and estimates that a 1 bbl. ...
Intensity modulation-direct detection (IM-DD) transmission is preferred for short-reach links because of its simplicity and cost- effectiveness [4–6]. However, to meet the capacity requirements, it is becoming obvious that more degree of freedom is required in short-reach links. Driven by ...