白云石

bái yún shí
  • dolomite
白云石白云石
  1. 局部地方白云石和硬石膏也是重要的胶结物。

    Locally dolomite and anhydrite are important as cements .

  2. 中古生代以前的许多碳酸盐类矿物是白云石而不是方解石。

    Many carbonate masses older than middle Palaeozoic are of dolomite rather than calcite .

  3. 白云石粉对草炭pH的影响研究

    Study on Effects of Dolomitic Lime on Peat pH

  4. 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

  5. 高温高压下叶蜡石和白云石的Raman光谱分析

    Raman spectrum analysis of Pyrophillite and dolomite treated by HP-HT

  6. 含Al2O3和CaF2炉外精炼渣在镁白云石耐火材料中的渗透

    Penetration of al_2o_3 and caf_2 containing secondary refining slags into magnesia-dolomite refractories

  7. 真空碳热还原要求对白云石进行煅烧处理,使白云石完全分解,脱除其中结合的CO2和挥发分,以减少抽真空作业,保证还原反应的顺利进行;

    Experiments of dolomite calcining and vacuum carbothermic reduction of calcined dolomite are labored on .

  8. 合成镁白云石中CaO和MgO晶粒生长动力学

    The grain growth kinetics of lime and periclase phase in SMD

  9. 方解石、白云石、菱铁矿分别与含CO2水溶液反应平衡时的温度和压力

    Temperature and pressure in equilibrium state while calcite , dolomite and siderite reacting on liquid water containing co_2 respectively

  10. 结果表明,蛇纹石、白云石中的Mg可被稀酸完全浸出。

    The results show that the Mg can be completely leached from serpentine ore and dolomite by diluted acid .

  11. 白云石通常具有较高的斜方晶碳酸盐/CaO比例。

    Dolomites usually have higher rhombic carbonate / CaO ratio .

  12. 而在分级情况下,对元素Be,Cr,Ni,灰质白云石的效果最好;

    But for under staged condition , HZ dolomite was the best for Be , Cr and Ni ;

  13. 通过XRD图谱分析,在酸处理过程中,凹凸棒石粘土中大部分白云石组分被去除。

    Through XRD and XPS analysis , most of dolomite in palygorskite clay were removed in the acid treatment process .

  14. 用X射线衍射和能谱仪对单颗粒矿物作成份分析得知:大气尘的矿物成份主要是石英、长石、白云石、方解石、石膏、重晶石等矿物,以石英为主,其次是伊利石、石膏。

    Through XRD analysis on the single particles , main minerals of the air dust are quartz , felspar , dolomite , calcite , gypsum and barite .

  15. 白云石中SiO2-CaO-MgO的系统分析

    Systematic Analysis of SiO_2-CaO-MgO in Dolomite

  16. 且矿物成份为方解石和白云石的沉积物较之文石成因的壳体,其Sr/Ca值在指示湖水盐度上更准确,更能反映水体环境的变化。

    The Sr / Ca ratio in the calcite and dolomite-bearing sediments could better reflect the lake salinity than in the aragonite-bearing sediments .

  17. 用实例说明了使用生石灰辅之以白云石或高MgO烧结矿的冶炼效果。

    Through practical examples , explains the smelting effect of using free lime with dolomite or high MgO sintering ore.

  18. 高氯酸脱水重量法测定白云石、石灰石中SiO2的改进

    Improvement of Determining Silicon Dioxide in Dolomite and Limestone by Weight Method and Dehydrating with Perchloric Acid

  19. X射线衍射结果表明:磷酸盐矿物中以胶磷矿为主、碳酸盐矿物主要以白云石为主、氧化物中以石英为主。

    The consequence of X-ray diffraction indicate : the majority of phosphate is collophanite , the majority of carbonate minerals is dolomite , the majority of oxide is quartz .

  20. 利用方解石、白云石双晶纹和石英变形纹进行动力学分析的数学方法及FORTRAN程序

    Numerical method for dynamic analysis of calcite and dolomite twin lamellae and quartz deformation lamellae and its FORTRAN program

  21. 应用ESCA研究SCO在胶磷矿和白云石表面的吸附特性

    Adsorption properties of SCO on the surfaces of collophane and dolomite by ESCA

  22. 白云石和镍基催化剂对木质素热解气中H2,CH4和C2组分的影响作用相同,对CO和CO2的影响作用相反。

    As to the pyrolysis of lignin , nickel-based catalysts and calcined dolomite exhibit different effect on the content change of CO and CO2 .

  23. 以白云石为载体制备的Ni基催化剂对松木粉在700℃下气化产生的焦油进行了催化裂解实验研究,并与重油裂解催化剂进行了对比。

    Study on biomass tar made of pine powder gasified using Ni base catalyst with dolomite carrier at 700 ℃ was worked out and compared with heavy oil cracking catalyst .

  24. 利用现有工业条件,使用煅烧白云石粉与回收冶金石灰废气中的CO2进行试验研究,以提高轻质氧化镁产率为目的,取得了满意的结果。

    The good result is achieved by using calcined dolomite powder and carbon dioxide in waste metallurgical lime gas on foe existing industrial condition so that the light MgO productivity is improved .

  25. 添加CaO、轻烧白云石或白云石等含钙添加剂会使球团矿还原膨胀率增加,甚至变为异常膨胀。

    On the other hand , addition of CaO , dolomite and partly calcined dolomite can aggravate pellet swelling , even lead to abnormal swelling .

  26. 通过比较白云石与菱镁矿中Mn~(2+)的精细结构线间的强度比,确定了几乎所有Mn~(2+)都处于Mg位置。

    Comparison of fine structure line intensity of Mn ~ ( 2 + ) between dolomite and magnesite indicates that almost all of the Mn ~ ( 2 + ) are at Mg site .

  27. 纯矿物浮选试验研究表明:在自然PH值时,TS对胶磷矿和白云石均有捕收作用,白云石的上浮率大于胶磷矿的上浮率。

    The results of flotation test of the pure mineral show that TS can collect cellophane and dolomite in natural PH and the floating power of dolomite is stronger than cellophane 's.

  28. 介绍了白云石、轻烧白云石、高镁粉等分别作烧结矿MgO熔剂添加剂的实验室试验情况和工业生产情况。

    This text introduces the laboratory experimental and industrial production situation about dolomite 、 light cook dolomite 、 high magnesium powder etc MgO solvent additive in sinter .

  29. 此二体系的状态和方解石或白云石的瞬时溶解速度仅受两个独立变量如Pco2和pH的制约。

    Only two independent variables Pco2 and pH are needed for determination of the state of each system and the instantaneous dissolution rate of calcite or dolomite .

  30. 以萘为生物质焦油模型化合物,在以白云石为载体制备的Ni基催化剂上进行了催化裂解实验研究,对催化剂的制备技术、活性、积炭失活性能和再生方式进行了实验分析。

    With naphthalene as model compound , the catalytic cracking experiments on biomass tar are made on Ni catalysts , and its catalyst preparation , activity , coke forming , and regeneration is analyzed .