1.
Experimental Study on Correlation between Filter Material Thickness of PVC-U Gravel-filled Filter and the Sand-resistance
PVC-U携砾过滤器滤料厚度与阻砂性的相关关系试验研究
2.
This model can be not only applicable to resistivity interpretation of general shaly sand stone strata but also well description of the electrictity character of low resistivity reservoirs.
该模型不但适合于通常的砂泥岩地层电阻率解释并且能很好地描述低阻储层的电性特征。
3.
Abstract: The drilling resistance of the Erkaijing well in oil field of north Shanxi is caused by hydration expansion of mud stone and mud cake deposition of porous sandstone.
文摘:陕北油石二开井段遇阻的原因为泥岩的水化膨胀和孔隙性砂岩的泥饼沉积。
4.
Three kinds of state of arscnopyrite are developed at the deposit, i. e. corse-grained arsenopyritc, veinlet arsenopyrite and arsenopyrite-bearing quartz vein, and fine-grained disseminated arsenopyrite.
毒砂可划分为大颗粒毒砂、细脉状及毒砂石英脉中的毒砂和细粒浸染状毒砂三种性状.
5.
A study on retardation factor of atrazine in a sandy loamy soil
砂质壤土中农药阿特拉津阻滞因子的研究
6.
Comprehensive Research on Generalized Resistivity Models in Laminated and Dispersed Shaly Sands;
混合泥质砂岩通用电阻率模型综合研究
7.
Experimental Study on Dual Water Resistivity Model for Laminated and Dispersed Shaly Sands;
混合泥质砂岩双水电阻率模型实验研究
8.
Study on estimating method of static jacked resistance of precast piles;
粉砂土地区静压预制桩压桩阻力的预估和研究
9.
Study on the Effective Medium Esistivity Model for Reservoir with Low Porosity and Permeability in Shaly Sands
低孔渗泥质砂岩有效介质电阻率模型研究
10.
Calc Content Correction with Resistivity Log Data of Sandstone Reservoir in A Oilfield
A油田砂岩储层电阻率钙质校正方法研究
11.
Symmetrical effective medium complex resistivity model for water flooded shaly sand formation
泥质砂岩水淹层有效介质对称复电阻率模型
12.
Test study on frictional resistance of compression dispersive prestressed anchor in saturated mealy sand
饱和粉砂土中压力分散型锚杆摩阻力试验
13.
Research on Strength and Electrical Resistivity of Cement Mortars Compounded with P·O and R·SAC
P·O与R·SAC复合水泥砂浆的强度与电阻率研究
14.
Analysis of Multiple Broken Line Model of Negative-Friction Resistance of Pile Foundation in Sand Liquefaction
砂土液化中桩基负摩阻力的多折线模型分析
15.
Discussion on the sampling value of resistance normal value at fine sand boundary edge of Qinhuangdao area
秦皇岛地区细砂极限端阻力标准值取值探讨
16.
inertia crosswise vibrating conveyer shakeout machine
惯性横振动输送落砂机
17.
adsorptive sandpack
吸附性好的充填砂样
18.
lash type inertia vibrating shakeout
冲击式惯性振动落砂机