Thispaper proposes the concept of background value and cut off value, a merthodfor indicating oil-gas zone by formation cementation exponent is detailed.
本文提出的地层胶结指数法,引入了背景值和下限值概念,用它指示油气层,具有更高的分辨率和直观性。
This paper introduces the treatment for deep dam foundation of the concrete cut off wall, which intensity and elastic modulus value are requirement to satisfy the stress, strain and durability.
本文介绍了砼防渗墙对土石坝深厚覆盖层地基的处理,强调防渗墙砼强度及弹模取值应在满足应力应变的前提下,兼顾耐久性等要求。
Objective To determine cut-off value of thyrotropin (TSH) for screening of congenital hypothyroidism (CH) of newborn in Changsha city, Hunan province.
目的建立长沙地区新生儿先天性甲状腺功能低下症促甲状腺素筛查的切值。
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