强碱

qiáng jiǎn
  • alkali;strong base
强碱强碱
强碱[qiáng jiǎn]
  1. 模拟强碱滴定弱酸的VB程序及应用实例

    Simulate VB Program of Alkali Titrate Weak Acid and Its Practical Cases

  2. 用XPS分析喷丸处理后800合金在强碱溶液中的腐蚀产物

    The characterization of film on alloy 800 after shot peening in aqueous alkali by using XPS

  3. OH型强碱阴树脂有机物清除器

    The Organic Scavenger of type OH Strong Basic Anion Exchange Resin

  4. 强酸和强碱中和过程的pH控制

    Controlling pH in the Neutralization Process of Strong Acid and Strong Alkaline Solution

  5. 在强酸和强碱条件下,染料活性艳红X-3B的降解率较高。

    The degrading rate of dye brilliant red X-3B held high in strong acid and strong alkaline .

  6. Cr元素对铁合金抗热强碱磨损腐蚀性能的影响

    The Effect of Element Cr on Erosion Corrosion of Ferroalloy in Hot Concentrated Alkaline Solution

  7. 聚乙烯醇在强碱性水溶液中与Fe(Ⅲ)离子间的配位-交联反应

    The coordination cross - linkage reaction between PVA in strong basic aqueous solution with fe ( iii ) ion

  8. 碱度:具有强碱的性质,其ph值高于七。

    Alkalinity : The state or quality of being alkaline , having a pH of more than 7 . Also called Causticity .

  9. 实验考察了CO2浓度增加对强碱三元复合体系中的碱浓度、粘度和界面张力的变化影响。

    The experiments examined the effects of increased CO2 concentrations on alkali concentration , viscosity and interfacial tension , respectively .

  10. 通过层析实验,考察了强碱3树脂对不同的免疫球蛋白分离纯化的能力,并讨论了不同缓冲液体系及缓冲液的pH和离子强度对其分离能力的影响。

    And 3 # alkali resin was used to study about the effects of different buffer systems , buffer pH and ionic strength by chromatographic experiments .

  11. 最后,分别以OH加合机制和氧化机制对强碱、强酸作用下碱基释放量增加的现象进行了解释。

    In addition , The phenomenon of the yield of A increasing in alkaline and acid solutions was respectively explained by OH-attach mechanism and oxidization mechanism .

  12. 使用强碱NaOH为助催化剂时,可提高氢转移加氢反应的速率和转化率;

    The addition of NaOH can increase the reaction rate and conversion of acetophenone significantly .

  13. 新型固体强碱KNO3/Al2O3的碱性

    Basic properties of new solid strong bases derived from al_2o_3 supported kno_3

  14. 结果表明,pH值、热、光对紫草色素的性质影响不大,但强碱、强日光及某些金属离子对色素有一定的影响。

    The result showed that the heating , light and pH did not affect stability of alkannin , but alkali , strong sunlight and some metallics affected its stability .

  15. 酸碱度控制剂可有效的中和高pH值压裂液中的强碱性物质,使液体保持在弱酸性的环境下,在一定程度上减轻了水敏程度。

    The pH controlling agent can neutralize the alkali matter in high pH fracturing fluid to keep the fluid in mild acid environment and mitigate the degree of water sensitivity .

  16. 结论:PRZ在强酸和强碱条件下均不稳定,若制成液体制剂可调pH为5.1左右。

    The pH of the liquid preparation of PRZ should be adjusted to about 5.1 .

  17. 与此同时,由于强碱的使用,出现了高PH值下多价离子的沉淀、岩石矿物的溶蚀等现象,各个试验区都出现了不同程度的结垢现象。

    At the same time , phenomenon of sediment of ions in high PH and dissolving capacity of rock are also appears , different level scale phenomenon is arisen in every experiment area .

  18. 首先对PVDF中空纤维膜进行强碱及强氧化剂处理,使基膜表面活化。

    First , the treatment with strong alkali and strong oxidant to PVDF hollow-fiber membrane was carried out to activate the surface .

  19. 采用中强碱和弱碱混合物做缓冲剂,可使漂白过程的pH值既不过高,也不过低,对提高漂白速度和浆的白度有利。

    Acting as moderator , the intermixture of strong alkali and weak base can stabilize pH values in the performance and can improve bleaching velocity , as well as the brightness of the pulp .

  20. Fe&K系催化剂表面至少存在两种强度不同的碱中心,其中强碱中心b态对乙苯催化脱氢贡献较大;

    There arc at least two kinds of basic centers on catalyst surface , of which the stronger " b " basic centers have greater contribution to dehydrogenation of ethylbenzene than the weaker " a " basic centers .

  21. 本文探讨了NP型螯合树脂对铀的吸附性能,并与强碱性阴离子交换树脂进行了比较。

    This paper discusses the adsorption properties of uranium by the NP-type chelate resin and compares them with those of the strong basic anion exchange resin .

  22. 这样,用低C多元醇的强碱水溶液处理复杂的含金、银物料时,贱金属氧化物生成双金属醇盐溶解脱除的同时,金银等贵金属被富集在渣中。

    Therefore , precious metals , such as gold and silver can be enriched in the residue and the base metal such as copper , lead and antimony are dissolved by solution when the gold and silver-bearing material is treated .

  23. 使用强碱氢氧化钾为沉淀剂,通过水热法成功合成了具有六角形貌的过渡金属氢氧化物Ni(OH)2及Co(OH)2片状纳米晶。

    Transition metal hydroxides Ni ( OH ) _2 and Co ( OH ) _2 nano-sheet crystals with hexagonal morphology have been successfully synthesized through hydrothermal method using strong alkali ( KOH ) as precipitator .

  24. PTFE纤维具有优良的耐腐蚀性,低摩擦因数,不燃,能耐强酸、强碱、强氧化剂等强腐蚀性试剂或溶剂,耐高、低温性能优良。

    PTFE fiber has good corrosion resistance , low friction factor , nonflame , strong acid and strong alkali resistance , high temperature and low temperature resistance .

  25. RP-HPLC测定苦豆子总碱中莱曼碱的含量碱度:具有强碱的性质,其ph值高于七。

    RP-HPLC determination of lehmannine in total alkaloids of Sophora alopecuroides Alkalinity : The state or quality of being alkaline , having a pH of more than 7 . Also called Causticity .

  26. (化学)某种碱的、表示某种碱的、具有某种碱的特性或者含有某种碱。碱度:具有强碱的性质,其ph值高于七。

    ( chemistry ) of or denoting or of the nature of or containing a base . Alkalinity : The state or quality of being alkaline , having a pH of more than 7 . Also called Causticity .

  27. 采用以聚丙烯(PP)短纤为基体,通过共辐照引发苯乙烯(St)和二乙烯基苯(DVB)接枝共聚,再经氯甲基化、胺化制成的强碱性阴离子交换纤维。

    A strong anion exchange fiber was synthesized by irradiation-induced copolymerization styrene ( St ) and divinylbenzene ( DVB ) onto polypropylene ( PP ) fiber chloromethylation reaction and amination reaction .

  28. S1的POD对温度和pH适应范围宽,在低、高温、强酸和强碱下的活性均比引进种的高。

    The adaptability range of POD of S 1 to pH is wide , and higher than that of the imported one under both low and high temperature and both strong acid and base .

  29. 再测定Na2CO3强碱液中重金属pb~(2+)的含量。

    The concentration of heavy metals , Pb ~ ( 2 + ) etc in HNO_3 and in Na_2CO_3 solution were determined respectively .

  30. 在强碱诱导下的碱性PEG-400介质中,硼氢化钠、硒粉和卤代烃反应高产率得到二硒醚。

    Diselenides were synthesized by the reaction of sodium borohydride , selenium powder and halohydrocarbon in the media of PEG-400 .