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  concentration
    DEVELOPMENT AND EVOLUTION OF CONCENTRATION FRONT IN DISPLACEMENT PROCESS
    浓度前沿在驱替过程中的发展和演变
短句来源
    ON RAPID AMPOULE COLORIMETRIC DETERMINATION OF LOW CONCENTRATION IRON IN OIL-FIELD WATER
    油田水中低浓度铁安瓿目视比色快速测定法的研究
短句来源
    A STUDY OF MEASURING TECHNIQUE OF POLYACRYLAMIDE CONCENTRATION
    聚丙烯酰胺浓度检测技术的研究
短句来源
    Fully Implicit Numerical Calculation Method for Acid Solution Concentration Distribution in Acidized and Fractured Fissures in Case of Using Prepad
    前置液酸压缝中酸液浓度分布的全隐式数值计算方法
短句来源
    THE STUDY OF RHEOLOGIC PROPERTIES OF POLYMER SOLUTIONSⅡ.THE RHEOLOGIC MODEL OF POLYMER SOLUTIONS AT DIFFERENT CONCENTRATION
    聚合物溶液流变性研究Ⅱ不同浓度聚合物溶液的流变模式
短句来源
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  concentration of
    The optimum hydrothermal ion exchange conditions for preparing Cu(Ⅱ)-Y zeolite were the concentration of Cu(NO3)2 solution 0.5mol/L,the ratio of NaY to solution 0.05,the ion exchange temperature 135℃ and the ion exchange time 12 hours.
    分子筛适宜的水热交换条件为Cu(NO3)2溶液浓度0.5 mol/L、固液比0.05、交换温度135℃、交换时间12 h;
短句来源
    The selected foam stabilizer HXYP has the optimal salt-resistant capability. Com- posing of 0.2% foam stabilizer HXYP and 0.2% foaming agent HXY-1,the foaming system has excellent charac- teristics when the concentration of sodium chloride/calci um chloride or salinity is 16×104mg/L,4×103mg/L, 14.18×104mg/L respectively under the same temperature of 80℃.
    0.2%稳泡剂HXYP+0.2%起泡剂HXY-1泡沫体系在80℃下抗NaCl、CaCl_2以及NaCl和CaCl_2混合盐的浓度分别达到16×10~4mg/L、4×10~3mg/L、14×10~4mg/L。
短句来源
    The results show that the hydrolyzed starch containing 2% of sugar content is a suitable culture medium, which could meet the demand of microbial growth and metabolism. And the microbial concentration of JD could increase to 5. 29 x 10 cells/mL,and the metabolite could increase to 0. 033 5g/50mL with this culture medium in 48h.
    结果表明,以糖度为2%的淀粉水解液配制的培养基,可以满足采油微生物的生长与代谢要求,JD菌在其中培养48h后,菌体浓度可以达到5.29×108个/mL,每50mL培养液中代谢物产量达到0.0335g。
短句来源
    Modified ceramics filtration ball coalescence equipment was used to treat oilfield wastewater,the results of the test showed that,when the mass concentration of oil in the influent water were 700-900 mg/L,the removal rate of oil by the said equipment could exceed 90% with obvious phenomenon of coalescence of oil drops appeared.
    采用改性陶瓷滤球粗粒化装置处理油田废水的试验结果表明,在进水油的质量浓度为700~900mg/L时,该装置对油的去除率可达到90%以上,且有明显的油珠聚结现象。
短句来源
    The analysis results indicated that CXJ-Ⅱ crosslinker was excellent to form polymer gel. With 1000mg/l HPAM, the Cr3+ concentration of the crosslinker in 20mg/l ~200mg/l, the system can crosslink,but better in 20mg/l~100mg/l.
    性能评价表明:CXJ-Ⅱ交联剂具有较宽的成胶浓度范围,HPAM浓度为1000mg/L时,Cr3+浓度在(20~200)mg/L的范围内体系都可以成胶,在(20~100)mg/L时均能得到性能较好的凝胶体系;
短句来源
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  concentrations
    Consumption of Na_2CO_3 by Oil Sand and the Variations of Concentrations of Some Kinds of Ions
    Na_2CO_3在油砂中的损耗及一些离子的浓度变化
短句来源
    Inorganic salts, especially the divalent salts (Ca2+, Mg2+ for example), and their concentrations have great influence on the properties of the polymer solution.
    无机盐的种类和浓度对疏水缔合聚合物溶液性质有明显的影响,特别是二价离子Ca2+、Mg2+对溶液性质的影响非常大。
短句来源
    In this paper,rheological properties of 0# diesel oil that was dissolved drag reduction polymers was evaluated by using a rotational viscometer at five concentrations(0~400mg/L) and three temperatures(15,20 and 25℃). Samples were subjected to a programmed shear rate increasing 0~183.45s-1 in seven minutes.
    本文主要介绍在5个不同减阻剂浓度(0 mg/L,100 mg/L,200 mg/L,300 mg/L,400 mg/L)和不同温度(15℃,20℃,25℃)下,用旋转粘度计法测定减阻剂样品在7m in内,剪切速率从0~183.45/s下,研究0号柴油及加入减阻剂后的流变性能。
短句来源
    High heteroatom content,low H/C ratio,strong interfacial activity at low concentrations ≤0.5 g/L,and strong emulsifying capacity are observed for solid subfractions SF41 and SF42;
    固体亚组分SF41和SF42的杂原子含量高,H/C比值低,低浓度下(<0.5 g/L)界面活性强,乳化能力强;
短句来源
    A Study on Critical Associating Concentrations of Water Soluble Hydrophobically Associating Polymers for EOR
    疏水缔合聚合物临界缔合浓度研究
短句来源
更多       
  the concentration
    The optimum hydrothermal ion exchange conditions for preparing Cu(Ⅱ)-Y zeolite were the concentration of Cu(NO3)2 solution 0.5mol/L,the ratio of NaY to solution 0.05,the ion exchange temperature 135℃ and the ion exchange time 12 hours.
    分子筛适宜的水热交换条件为Cu(NO3)2溶液浓度0.5 mol/L、固液比0.05、交换温度135℃、交换时间12 h;
短句来源
    all its viscosity in aqueous solution is 0.86 mPa·s,which is studied through measuring the apparent viscosities at the concentration being 500 and 3 000 mg/L at different temperatures,and it proves one of its specialities that it doesn't depend on viscosity to displace oil.
    并测量其在浓度为500,3000mg/L时,不同温度下的表观粘度值均为0.86mPa. s,证明了它不依靠粘度驱油的特点。
短句来源
    Numerical simulation for the concentration distribution of intermixing to batch pipeline is investigated with the help of PHOENICS software.
    利用PHOENICS软件对顺序输送混油段的浓度分布进行了数值模拟,给出了混油浓度分布曲线。
短句来源
    The selected foam stabilizer HXYP has the optimal salt-resistant capability. Com- posing of 0.2% foam stabilizer HXYP and 0.2% foaming agent HXY-1,the foaming system has excellent charac- teristics when the concentration of sodium chloride/calci um chloride or salinity is 16×104mg/L,4×103mg/L, 14.18×104mg/L respectively under the same temperature of 80℃.
    0.2%稳泡剂HXYP+0.2%起泡剂HXY-1泡沫体系在80℃下抗NaCl、CaCl_2以及NaCl和CaCl_2混合盐的浓度分别达到16×10~4mg/L、4×10~3mg/L、14×10~4mg/L。
短句来源
    This experiment studied the influence of sorption by the concentration, the time of dipping and the time of adsorption.
    本实验分别研究了浸渍液质量浓度、浸渍时间及吸附时间对吸附硫醇效果的影响。
短句来源
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