石粉

shí fěn
  • Stone powder;mountain flour
石粉石粉
石粉[shí fěn]
  1. 石粉圆度的Fuzzy性及其Fuzzy模式识别

    Fuzziness of Stone Powder ′ s Roundness and Its Fuzzy Pattern Recognition

  2. 石粉在育苗基质pH值调节中的应用研究

    Study about Lime Application in pH Adjustment for Growing Media

  3. 白云石石粉调节育苗基质pH的试验研究

    Dolomite powder adjusting pH of media of seedling nursery

  4. Al2O3的加入对合成莫来石粉烧结性能的影响

    The effect of adding al_2o_3 on sintering properties of synthetic mullite powder

  5. 针状硅灰石粉对PP增韧机理的初步探讨

    The Investigation of Mechanism of Toughening PP with Needle Shape Wollastonite Powder

  6. 活化硅灰石粉新型填料的研制以及在PVC电缆料上的应用

    The Preparation of Active Wollastonite Filler and Its Application to Cable PVC Compound

  7. 复合硅灰石矿物粉体的加入使PP复合材料的结晶温度向高温方向发生较大的移动,当填加量为15%时,复合硅灰石粉体的作用要比硅灰石矿物粉体明显。

    PP composite filled by composite mineral powders had higher crystallizing point and big crystallinity .

  8. 本文利用毛细管流变仪研究了用偶联剂改性硅灰石粉对软聚氯乙烯(软PVC)体系流动性能的影响。

    In this paper , fluidity of soft PVC-wollastonite composites was studied by capillary tube rheometer .

  9. 包覆型Al2O3粉体制备低温烧成多孔陶瓷膜支撑体低温燃烧合成堇青石粉及其性能研究

    POROUS CERAMIC SUPPORT OF COATED ALUMINA PREPARED BY LOW-TEMPERATURE SINTERING Low-Temperature Combustion Synthesis of Cordierite Powder and Its Properties

  10. 将改性后的水镁石粉添加到聚丙烯(polypropylene,PP)中,研究了硅烷改性对PP/水镁石复合材料性能的影响。

    The effect of modification by silane on the properties of PP / brucite composite material was studied .

  11. 所有撒施石灰石粉处理的N含量增加,Ca含量有增有减,变化规律不明显。

    N contents of all limestone powder treatments increased . However , Ca contents of all limestone powder treatments showed no regular change .

  12. 研究石屑中石粉及其含量对混凝土性能影响,并通过XRD、TG、SEM技术分析了其作用机理。

    The effect of stone powder contained in artificial sand on the concrete performance was studied in this paper .

  13. F掺杂SnO2纳米粉体的燃烧合成低温燃烧合成堇青石粉及其性能研究

    Synthesis of Fluorine-Doped Tin Oxide Nanoparticles by Combustion Method Low-Temperature Combustion Synthesis of Cordierite Powder and Its Properties

  14. 通过SEM和X-衍射等微观分析,研究了超磨细石灰石粉对混凝土的作用机理。

    This study analyzes the mechanisms of action of ultra-grinding limestone flour on concrete by the means of microanalysis , i.e. . SEM and X-ray diffraction et.

  15. 当单掺10%的超细石灰石粉时,混凝土3d抗压强度达到95.4MPa,且后期发展良好;

    Compressive strength of concrete with 10 % super-fine limestone powder is as high as 95.4 MPa at 3 d age , and the strength develops well at the later age .

  16. 研究结果如下:1.石粉的用量不同,pH值的变化规律基本一致,但泥炭pH升高的幅度不同。

    These results indicated that : 1 . The change rule was basically the same despite of different the inputing dolomite powder , but the elevatory amplitude of pH was different .

  17. 研究结果表明:随着外掺石粉含量的增加,碾压混凝土的VC值相应增加,含气量相应降低;

    The research results are summarized as follows : The value VC increases and air content decreases with the increase of the mixed stone powder content .

  18. 28d后,石灰石粉的掺加降低了水泥胶砂的强度。

    Ground limestone reduces cement mortar strength after 28 days .

  19. TEM表明:通过超声波分散和硅烷偶联剂处理,纳米坡缕石粉体在复合材料中分散均匀。

    The result of TEM showed after the treatment by ultrasonic wave and silicone coupling agent , nano-meter palygorskite powder could disperse uniformly in the complex material .

  20. 主要研究了MA尖晶石粉和α-Al2O3微粉加入量对MgO质浇注料性能的影响。

    The effect of added quantity of MA spinel powder and α - Al 2O 3 breeze on MgO based castable materials is studied .

  21. 当填充量为30%,复合硅灰石粉体填加的PP复合材料的冲击性能要高出硅灰石矿物粉体填加的PP复合材料的30%以上。

    When the filling ratio is 30 % , the impact strength of PP filled by composite wollastonite was greater than PP filled by wollastonite more than 30 % .

  22. 试验结果表明,超细煤矸石粉对NR具有较好的补强性能和分散性。

    The result shows that , the ultra fine coal gangue powder is not only a good reinforcing filler of NR but also has good property of dispersion .

  23. 用硅油通过化学法对电气石粉进行表面改性,经对比试验可知,达到最佳改性效果时的工艺条件为:pH为9、温度80℃、硅油用量为矿样量的2.5%。

    Surface modification of tourmaline powders through chemical method using silicon oil was introduced in this paper . The experimental results showed that optimum technological modification conditions are pH 9 , temperature 80 ℃, and silicon oil dosage of 2.5 % .

  24. 石粉掺量为30%时,水泥石发生严重TSA破坏,无石粉掺入时,水泥石仅表现为轻微传统硫酸盐侵蚀破坏。

    The harden cement paste containing 30 % of limestone powder was damaged seriously , while only minor conventional sulfate attack occurred when non-limestone powder incorporated .

  25. 本文通过在以泥炭为主的复合基质中加入不同用量的石粉,观测基质pH随时间的变化情况和pH与石粉用量之间的关系,探索调节基质pH的新途径。

    In the paper , we observed the change of medium-pH and the relationship between pH and dolomite powder content . The new method of adjusting medium-pH was explored by inputting dolomite powder of different contents in the medium based on peat .

  26. 养护3d、7d时,水泥胶砂的强度随石灰石粉掺量的增加先增大后降低,石灰石粉掺量10%时达到最大值。

    The strength of cement mortar with ground limestone volume increases in the first and reduces at 3 days and 7 days . It reached the maximum value when ground limestone volume at 10 % .

  27. 将浸泡于不同温度的质量分数为10%的MgSO4溶液中的含石灰石粉水泥石试样进行X射线衍射分析、扫描电子显微分析、能谱分析和激光Raman光谱分析。

    X-ray diffraction , scanning electron microscope , energy dispersive spectrum and laser Raman spectrum analysis were used to identify thaumasite in paste sample stored in 10 % ( in mass ) of MgSO_ ( 4 ) solution at different temperatures .

  28. 由于铁含量的减少和价态的变化,使电气石的表面活性减弱,zeta电位减小,即电气石粉体的分散性减弱。说明电气石中铁离子的含量对其表面活性起着正相关的作用。

    Because of the reduction and changes of iron , the surface activity of tourmaline weakened and the zeta potential reduced , which means the uniformity of tourmaline powder has been weakened .

  29. 在P·Ⅰ42.5R硅酸盐水泥中掺入4%高细石灰石粉和26%矿渣粉,能够在保持水泥3d强度基本不变的前提下,大幅度提高水泥的28d强度。

    To keep the cement 3d strength stable , the P ·ⅰ 42.5R Portland cement admixed with 4 % high fineness lime stone powder and 26 % slag can improve the 28d strength greatly .

  30. 使用介质搅拌磨对电气石粉进行了超细粉碎实验室试验研究和中试,并对试验样品进行了粒度检测、扫描电镜(SEM)分析以及负离子释放性能检测。

    In this paper super fine grinding experiments about tourmaline powder has been carried out in laboratory and pilot plant with wet ball stirring mill , the particle size distribution of the ground tourmaline powder and its anion release property has been tested .