堆密度

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  • bulk density;packing density
堆密度堆密度
  1. 高密度重晶石大体积混凝土施工技术低堆密度大孔体积γ-Al2O3的制备与表征

    Construction Technology for Mass Concrete with Dense Barite Preparation and Characterization of γ - Al_2O_3 with Low Bulk Density and Large Pore Volume

  2. 同时,其聚合动力学曲线的类型由快速衰减型逐渐过渡为缓慢衰减型,MWD逐渐减小,聚合反应所得聚乙烯的堆密度则逐渐增加。

    At the same time , the kinetic profiles were in the gradual transition from the rapid decay type to the slowly decaying type , MWD decreased and the bulk density increased .

  3. 低堆密度大孔体积γ-Al2O3的制备与表征

    Preparation and Characterization of γ - Al_2O_3 with Low Bulk Density and Large Pore Volume

  4. 等规指数大于98.5%,堆密度大于0.45g╱mL;

    The resin has isotacticity index higher than 98.5 % and bulk density of 0.45 g / mL.

  5. 实验测定了直径2~3mm的陶瓷颗粒和玉米秸秆粉混合物的堆密度和滑动摩擦系数。

    Bulk densities and sliding friction coefficients of the mixture in the equations were measured .

  6. 提出了以数学模型为基础的散状物料水分RC双参数差动测量方法,以期克服物料堆密度对测量结果的影响。

    Based on mathematical model , proposes a differential measurement method for moisture in particle of powdered materials by measuring the dual-parameters R and C , in hopes of that the influence of pile-up density can be overcome .

  7. 考察了HJ-20-2气相防锈剂的溶解度、熔点、堆密度等物理化学性能。

    The solubility , melt point and density of HJ-20-2 vapor phase inhibitor are investigated .

  8. CC-200D中堆密度增产柴油催化剂的工业应用

    Commercial application of CC-200D medium bulk density FCC catalyst for increasing diesel oil yield

  9. 由于SAC的堆密度较OAC小,因此使得在相同实验条件下,两种吸附床的对原料中氮气和甲烷的吸附能力基本相等。

    Although the amount of nitrogen and methane adsorbed per gram on SAC is larger than that of OAC , the adsorption capacity of OAC + ZMS and SAC + ZMS layered adsorption bed was quite equivalent , because the density of SAC was smaller than that of OAC .

  10. 考察不同催化体系的热稳定性,并考察催化剂的堆密度、助剂含量和仲丁醇的原料组成对BC-DH2004催化剂性能的影响及BC-DH2004催化剂多周期运行的稳定性。

    Heat stabilities of different catalysts for dehydrogenation of SBA were studied . Effects of catalyst bulk density , promoter content and feedstock composition on its catalytic performances were investigated .

  11. 氧化还原过程对铜粉堆密度的影响

    Effect of Oxidation-Reduction Process on Apparent Density of Copper Powder

  12. 陶瓷颗粒和小麦秸秆粉混合物堆密度的研究

    Bulk Density of Wheat Straw Powder and Ceramic Beads Mixture

  13. 低堆密度氧化铈的制备及表征

    Preparation and Characterization of Low Bulk Density Ceria

  14. 大粒径、低堆密度催化剂易膨胀;

    The catalyst with big size and low bulk density is prone to expand .

  15. 装煤堆密度对焦炭质量的影响

    Effect of Charging Bulk Density on Coke Quality

  16. 烟草导热系数与含水率、堆密度的综合关系

    The relative coefficient Thermal Conductivity of Tobacco

  17. 低堆密度过碳酸钠的湿法合成与稳定技术

    Synthesis and stabilization of low-bulk-density sodium percarbonate

  18. 转速是影响堆密度、脆碎度的主要因素;

    The rev was the main affecting factor of the bulk density and the friability ;

  19. 颗粒堆密度变化对堆底压力分布的影响

    The influence of density variation of a granular pile on the pressure distribution at its bottom

  20. 物料堆密度与干燥系统合理配置的关系研究

    Study on the Relation Between Materials ' Bulk Density and Rational Disposition of the Drying System

  21. GB/T13566-1992肥料堆密度的测定方法

    Determination of bulk density for fertilizers

  22. 催化剂还具有强度高、堆密度小、自再生能力强等特点。

    The catalyst also had high side pressure , low bulk density and good capacity of self-generation .

  23. 此外,还研究了热解前后原料和热解焦的堆密度变化及热解过程中固、液、气三相产物的分布状况。

    In addition , the pile-density of material and solid production under different condition are also discussed .

  24. 在烧结实验中,还采用蒸汽饱和法和喷水法向体系引入液相,但水化后烧结产物的堆密度比较低。

    In the sintering experiment , water was introduced into the system to get a high bulk density .

  25. 该催化剂以MoNiCo为活性组分,具有孔体积、比表面积较大,堆密度较高的特点。

    The Ni-Co-Mo based FF-14 catalyst possessed high bulk density , large pore volume and high surface area .

  26. 传统化学方法制备的活性银粉,其电化学活性和堆密度能满足电极性能的要求,但是它不具有流动性,只能采用人工铺粉模具压制的方法制作电极。

    The properties of active silver powder prepared by traditional chemical method can be satisfied with requirement of silver electrode .

  27. 随着焙烧温度的升高,比表面积、孔体积略有减少,表观堆密度增大。

    The apparent density increased with the increase of calcination temperature , while the surface area and pore volume decreased little .

  28. 结果发现:随粘接剂含量的增大,所制型炭的抗压强度、堆密度增大,而比表面积及孔容减小,其对甲烷的吸附性能也呈下降趋势。

    Results showed that both bulk density and micropore volume of the formed activated carbon controlled the volumetric storage capacity of methane .

  29. 方法:比较研究不同除杂工艺浸膏的物理性质,测定药粉的堆密度和临界相对湿度。

    METHODS : The nature of extract prepared with different methods were studied . The pile density and critical relative humidity were determined .

  30. 同时,催化剂淤浆聚合所得聚乙烯的堆密度略低于气相聚合。

    Meanwhile , the bulk density of the polyethylene obtained from slurry polymerization was slightly lower than that from gas phase polymerization . 4 .