首页 / 词典 / good

fán
  • Alum;vitriol
矾
[fán]
  • 含水复盐的一类,是某些金属硫酸盐的含水结晶。最常见的是“明矾”,亦称“白矾”。

[fán]
[名]
1

{化} (某些金属硫酸盐的含水结晶) vitriol:

  • 绿矾

    green [iron] vitriol; copperas;

  • 明矾

    alum

  1. 黄钠铁矾渣及其浸取液中铁的测定

    Assay of iron in iron vitriol dreg of yellow sodium and its extract

  2. 黄钠铁矾渣中铜的含量较高,用重铬酸钾容量法来测定其中的铁时,干扰铁的测定,需预分离才能准确测量。

    The content of copper in iron vitriol dreg of yellow sodium is relatively high , so it interferes with the determination of iron in dreg by means of potassium dichromate method .

  3. 绞股蓝对铝钾矾与环磷酰胺诱发DNA损伤的修复

    Repairing Function of Gynostemma on Damaged DNA Induced by Pentaphyllum Potassium Aluminum Sulfate or Cyclophosphamide

  4. 结果表明温度和晶种以及溶液pH值是影响铁矾沉淀的重要因素。

    The temperature , pH and crystal seeds were found to be critical for Fe precipitation as jarosite .

  5. K2能表征聚矾铸膜液在凝胶过程中,良溶剂与凝胶介质双向扩散速度之比;

    In the gelation process , the diffusion ratio could be indicated by K_Sbetween good-solvent and gelation medium .

  6. 结果表明,矿石中铁主要以赤铁矿形式存在,杂质元素P和S主要以菱磷铝锶矾形式存在,还可见少量磷灰石及黄铁矿。

    The results show that Fe in the ore is predominantly as hematite , while the impurities of P and S are mainly in svanbergite .

  7. SCM加矾自动控制系统

    An automatic alum-dosing control system by using SCM

  8. 矾土基Al2O3-MgO质振动浇注料的流变性能

    Rheological property of bauxite based Al_2O_3-MgO vibration castable

  9. SCD加矾自控系统数学模型的建立

    The Establishment of the Mathematical Model for SCD Automatic Alum Dosing Control System

  10. 本论文主要进行了矾土基β-Sialon/Al2O3/SiC复合材料的制备工艺、高温性能及显微结构的研究。

    The preparation , high temperature properties and microstructure of bauxite based β - Sialon / Al_2O_3 / SiC composites have been investigated detailedly in this paper .

  11. 试验表明,混凝条件的变化会影响矾花的尺寸大小和表面的Zeta电位,因而对膜过滤阻力有较大的影响。

    Varying coagulation condition could change particle size and zeta potential of flocs , thus influencing cake resistance .

  12. 国内外湿法冶金中常采用黄钾铁矾法或针铁矿法等方法除铁,硫化沉淀法分步沉淀或较高pH条件下萃取分离镍、钴,不适用于常温、较低pH的生物浸出液。

    Iron was precipitated by the formation of jarosite or goethite . And sulfide precipitation or extraction of nickel and cobalt at high pH were used in the hydrometallurgy at home and abroad .

  13. SCD加矾控制系统的应用

    The Application SCD in Chemical Dosing

  14. X射线荧光光谱法测定铁矾土中二氧化硅、氧化铝和氧化铁高硅矿对高温高酸&黄钾铁矾除铁工艺的影响和处理实践

    Determination of silicon dioxide , aluminum oxide and ferric oxide in laterite by X-ray fluorescence spectrometry Impact of high silica mine on high temperature-high acid iron removal process by jarosite and the practice

  15. 沉矾过程的表观活化能为94.66kJ/mol。

    The apparent activation energy for the jarosite formation was 94.66 kJ / mol , which indicated that the process was chemically controlled .

  16. 观察黛矾散及其各组分对雌激素苯甲酸雌二醇(EB)诱导的大鼠肝内胆汁淤积的影响。

    To observe the effect of Daifansan and its components to rat 's intrahepatic cholestasis induced by estradiol benzoate ( EB ) .

  17. 并对固定床生物反应器运行中在载体表面形成的络合物进行了研究,X射线衍射证明此络合物为黄钾铁矾[KFe3(SO4)2(OH)6]。

    The complex compound formed on the surface of the carriers during operation has been studied and by X-ray diffraction analysis it was proved to be jarosite .

  18. 本文研究了以高铝矾土、Si、电熔白刚玉颗粒及细粉和部分添加剂为原料,氮气气氛下通过反应烧结的方法一步制备矾土基β-Sialon结合刚玉复合材料的工艺。

    Preparation of bauxite based p-Sialon bonded corundum composite ( BSC ) through reactive sintering were investigated , using bauxite , silicon , fused white corundum grains , and additives as the raw materials .

  19. 首先进行了磁种凝聚的试验,研究了pH、磁种、聚丙烯酰胺对Ni(OH)2沉淀物与磁种凝聚成磁性矾花过程的影响。

    The test of magnetic particle coagulation was conducted to study the effects of pH value , magnetic particle and polyacrylamide on the formation of alumen ustum by Ni ( OH ) 2 deposit and magnetic particles ;

  20. 黄钾铁矾类矿物的沉淀过程可用来处理矿山及其他工业废水,去除S、Fe和Cr(Ⅵ)等有毒有害元素。

    The precipitation process of jarosite group minerals can be use to tackle wastewater produced from mines and other industries for reducing and removing S , Fe and other toxic and harmful elements , such as Cr.

  21. 聚芳醚矾(PES)无广角X-射线的结晶衍射,但其本体及溶液均具有解偏振效应。

    There is no crystalline diffraction of wide-Angle X-ray to be discovered in PES , but there is birefringence effect both in its bulk and solution .

  22. Weiss理论(1948)为基础的计算表明铬矾单晶的顺磁各向异性是存在的。

    Weiss 's theory ( 1948 ) shows that the paramagnetic anisotropy does exist in the single crystals of chrome alums .

  23. 本文介绍在水处理过程中,应用流动电流仪(SCM)控制混凝加矾量的自控系统,详述了该系统PID控制中的参数整定。

    This paper presents an automatic alum dosing control system in a water treatment process by using a streaming current monitor ( SCM ) . The paper also describes a method to adjust PID parameters in detail .

  24. 将该溶液用黄钾铁矾法除去溶液中的铁,经KMnO4和(NH4)2S2O8除Mn,沉淀得纯ZnO。

    After iron re - moval by Jarosite methode the solution is sent to purify the Mn by KMnO_4 and ( NH_4 ) _2S_2O_8 , then to precipitate pure ZnO .

  25. 软钾镁矾溶解动力学Ⅱ:MgCl2对其溶解转化影响的研究

    Study on the Dissolution Kinetics of Schoenite . Part ⅱ the effects of MgCl_2 on the dissolution-transformation of schoenite

  26. 当矾花表面的Zeta电位与膜表面的电位相同时,滤饼层阻力较低,相异时,滤饼层阻力较大。

    When Zeta potential of flocs was the same as that of membrane surface , the cake resistance was decreased , when they were different , cake resistance was increased .

  27. 目的用谷胱甘肽(GSH)合成酶抑制剂丁硫氨酸亚甲矾胺(BSO)抑制大鼠GSH合成,探讨多药耐药相关蛋白2(MRP2)与GSH共转运体系在肝脏砷代谢过程中的作用。

    Objective To investigate the role of multidrug resistant protein 2 ( MRP2 ) and glutathione ( GSH ) cotransport system in hepatic arsenic metabolism in rats .

  28. 当溶液中Fe3+浓度达到一定程度的时候形成黄钾铁矾沉淀,而溶液的pH值会先变大后变小,维持在2.0~2.5之间。

    When ferric iron concentration was high enough in the solution , jarosite was produced . In this process , the pH value of the solution became larger firstly , and then smaller , and always maintains in the range of 2.0 ~ 2.5 .

  29. 东天山地区风化矿物黄钾铁矾的K-Ar年代学研究及其环境意义探讨洗选精煤;经销精煤、焦炭、铝矾土、生铁。

    K-Ar Chronology of Jarosite in Eastern Tianshan and Its Environmental Significance Methods Plant ; Distribution Plant , coke , bauxite , pig iron .

  30. 文中给出在室温时,几个不同磁场值的情况下,铬钾矾单晶的<100>方向磁化率(x〈100〉)舆<110>方向磁化率(x<110>)的相差百分数(n)。

    Percentage differences (γ ) between the susceptibility along < 100 > direction ( X < 100 > ) and that along < 110 > direction ( X < 110 > ) in KCr alum single crystal at room temperature are given for several values of magnetic field .

热门查询