对双齿辊破碎机主要参数计算及结构设计进行了论述，并提出了双齿辊破碎机破岩力的评估方法，供相关设计研究人员及用户参考。
The parameters and structure design for a bi-toothed roll crusher were described, and evaluation methods on bi-toothed roll crusher were put forward, which make references for engineers and users.
本文介绍一种用岩性密度和补偿中子双孔隙度法评价低孔隙度白云岩气藏的方法。
A method for evaluation of low porosity dolomite reservoir using lithology density and compensated neutron logs is presented in this paper.
与砂泥岩地层相比，碳酸盐岩地层常以高电阻率、深浅双侧向大幅度差异为特征。
Carbonate formation is characterized by higher resistivity and bigger difference of Dual and Shallow lateral logging compared with clastic formation.
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