氢酸

qīng suān
  • Hydrogen acid;hydracid
氢酸氢酸
氢酸[qīng suān]
  1. 方法采用异硫氢酸胍法提取RNA;

    Methods RNA was extracted by guanidine isothiocyanate method ;

  2. 用酶标仪测定乳酸脱氢酸(LDH)、β葡萄糖醛酸酶(βG)和碱性磷酸酶(ALP)的活性;

    The activity of lactate dehydrogenase ( LDH ), alkaline phosphatase ( ALP ) and β glucuronidase (β G ) was measured with metaplate ;

  3. 方法采用异硫氢酸荧光素(FITC)标记环八肽(FITC-cRGD);

    Methods An artificial RGD-containing cyclic peptide was labeled with fluorescein isothiocyanate ( FITC ) .

  4. 方法测定正常人30例和各种慢性肝病患者73例的血清脯氢酸肽酶(PLD)、Ⅲ型前胶原(PCⅢ)和透明质酸(HA)水平。

    METHODS The serum prolidase activity ( PLD ), procollagen type ⅲ ( PC ⅲ) and hyaluronic acid ( HA ) concentrations were determined in 73 patients with various chronic liver diseases and 30 normal subjects .

  5. 目的探讨叶酸、维生素B12、N5,N10-亚甲基四氢叶酸还原酶(MTHFR)基因及血浆同型半胱氢酸(Hcy)水平与Alzheimer病(AD)的关系。

    Objective : To study the relationship between plasma folate , vitamin B12 , plasma homocysteine ( Hcy ) levels and the polymorphisms of MTHFR gene in Alzheimer ′ s disease ( AD ) .

  6. 方法:在采用异硫氢酸苯酯(APIT)灌胃诱导大鼠肝损伤的基础上,结合中药大黄灌胃加寒湿环境因素,建立中医阴黄证黄疸动物模型。

    Materials and Methods : We got the animal model of TCM jaundice of Yin - Huang in rats , which lived in the damp and cold environment and ig .

  7. 本文研究了洗必太氟氢酸盐(I-2HF)对羟基磷灰石(HAP)的吸附性质、Zeta-电位、接触角、钙溶出速率的影响。

    The influence of oh chlorhexidine difluoride ( I-2HF ) on the zeta-potential , contact angle , dissolution rate of calcium of hydroxyapatite ( HAP ) and the adsorption of I ~ + and F ~ - was studied .

  8. 多氢酸体系酸化效果的室内试验研究

    Lab experimental study on the acidizing effect of multi-hydrogen acid system

  9. 硫氢酸钠湿法腈纶增白工艺探讨

    Discussion of whitening process of PAN fiber by sodium thiocyanate wet spinning

  10. 文昌13-1油田多氢酸酸化技术研究

    Research on Multi-hydracid Acidizing Technology for Wenchang 13-1 Oilfield

  11. 无机氢酸强度的定量计算

    The Quantitative Calculation on Strength of Inorganic Hydrogen Acids

  12. 关于氢酸强度的静电模型

    An Electrostatic Model for the Strength of Hydracids

  13. 多氢酸具有的优势对海上油田的酸化具有重要意义。

    Superiority of the multi-hydracid acidizing will be significance for the acidizing of offshore oilfields .

  14. 多氢酸的特性研究包括溶蚀性能、润湿性能、配伍性能的测定。

    The specialty study of Multi-hydrogen Acid includes solubility , wetting properties , compatibility , etc.

  15. 适用于烃化物应用领域的螺栓阀帽闸阀(氟化氢酸应用领域请参阅第19页)。

    Bolted Bonnet Gate Valves for Alkylation service ( HF Acid service see page 19 ) .

  16. 多氢酸体系对砂岩储层的酸化效果要好于土酸和氟硼酸等常规酸液体系,应用多氢酸体系进行酸化处理后的岩心渗透率比可达3.0。

    Especially it can give better acidizing effect for the sandstone reservoir than the conventional acid systems .

  17. 采用化学热力学方法分析地下水对混凝土的碳酸型、硫酸盐型及硫氢酸型侵蚀。

    The carbonation , sulfation and sulfureted hydrogen acid corrosion of underground water on concrete are analyzed by chemical thermodynamics .

  18. 结合高孔高渗砂岩储层特点,对多氢酸酸化施工参数进行了优化设计。

    Combining the characteristics of high porosity and permeability sandstone formation , a optimized acidizing design is given out for Multi-hydrogen Acid treatment .

  19. 本文将合成的低浓度洗必太氟氢酸盐加入酸胶中,观察其在釉质脱矿过程中的作用,并用氟化钠对照。

    The effect of chlorhexidine hydrofluoride in low concentration was observed during the process of the artificial demineralization of enamel with acid gel .

  20. 提高了多氢酸体系在现场应用的针对性,并在一定程度上推动了砂岩储层多氢酸酸化理论与技术的进步。

    Improved the specific application of multi-hydrogen acid in oil field , and promoted the theory of sandstone formation acidizing of multi-hydrogen acid technology .

  21. 从多氢酸材料的独特性能入手,结合砂岩储层矿物与酸液的反应动力学特征,研究了多氢酸抑制二次沉淀的机理。

    The secondary precipitation controlling mechanics are also studied detailed by researching the specialty of Multi-hydrogen Acid and kinetics of the acid-rock reaction in sandstone formation .

  22. 对硫氢酸钠湿法二步法腈纶进行增白,探讨了主要增白工艺条件对增白效果的影响。

    The whitening process was performed on PAN fiber produced by sodium thiocyanate wet spinning . The effects of the main whitening conditions on whitening effect were discussed .

  23. 洗必太氟氢酸盐防龋齿作用的研究&Ⅱ.酸性胶体中低浓度洗必太氟氢酸盐在釉质脱矿过程中的作用

    The study of caries preventive effect of chlorhexidine hydrofluoride & ⅱ . the effect of chlorhexidine hydrofluoride in low concentration in acid gel toward the demineralization of enamel

  24. 通过对改造前的装置分析,并应用蒸发体积强度和蒸发的传热速率方程的理论,实施了提高硫氢酸钠回收蒸发能力的改造。

    The reformation to improve vapourization efficiency was conducted according to the features of the original equipments and the theory of evaporation volume strength and heat transfer rate equation .

  25. 对多氢酸的基本特性进行了分析,对多氢酸缓速机理和二次沉淀抑制机理进行详细研究。

    The essential properties of Multi-hydrogen Acid is documented , moreover , the retarding mechanics and secondary precipitation controlling mechanics of this new type acid are also discussed in detail .

  26. 从氯化钠与目标晶体水合次氢酸钙间的关系、母液循环等角度分析了钠法漂粉精工艺的反应结晶原理。

    Through the relationship between sodium chloride and target crystal : calcium hypochlorite hydrate , the recycle of mother liquid , the principle of reactive crystallization of sodium-process bleaching power was analyzed .