cation acid

英 [ˈkætaɪən ˈæsɪd] 美 [ˈkætaɪən ˈæsɪd]

阳离子酸

化学



双语例句

  1. Electrode selection for oxidation of cerium by cation ion-exchange membran electrolysis in sulfuric acid solution was reported in this paper.
    报导了硫酸介质中电解氧化铈的阴阳极选择。
  2. Dibutyl succinate was synthesized catalyzed by a strong acid cation exchange resin from succinic acid and n-butyl alcohol.
    研究了强酸性阳离子交换树脂催化合成邻苯二甲酸线性高碳醇酯的方法。
  3. The interaction between metal cation and nucleic acid have been studies by using an ion-molecule interaction potential function and a metal cation-phosphate anion complex model forming Li+, Na+, Be2+ and Mg2+ with ( OH) 2PO2-.
    用离子-分子相互作用势函数,以Li~+,Na~+,Be~(2+),Mg~(2+)和(OH)2PO2~-形成的金属阳离子-磷酸阴离子络合物为模型,研究金属离子与核酸的相互作用。
  4. Synthesis of a Cation Exchange Resin of Sulfonic Acid Type
    用国产原料合成磺酸型阳离子交换剂的研究
  5. Regeneration of cation exchange resin with sulphuric acid
    硫酸再生阳离子交换树脂的实践
  6. Properties of Non-protected Room Temperature Phosphorescence and Cation Recognition of 1-Naphthylamine Diacetic Acid
    1-萘胺二乙酸的无保护性介质流体室温燐光特性及金属离子的影响
  7. Lower concentration of intercalated metallic cation is helpful to synthesize solid acid materials with stronger surface acidity, and the thermal stability of the surface acidity is related to the stability of structure water in montmorillonite.
    由于蒙脱土的阳离子交换容量极其有限,因而所用的金属离子浓度不可过大;固体酸的热稳定性与蒙脱土的结构水的稳定性有关。
  8. The regeneration of cation resion with 10% sulphuric acid solution of 4 times resin volume has better effect.
    用4倍树脂体积10%的硫酸再生阳树脂,效果较好;
  9. A thorough inventory of base cation emissions in China is needed to develop programs for acid deposition control.
    盐基阳离子排放清单的建立,对于中国酸沉降控制有重要的意义。
  10. Ion Exchange Separation of Lithium from Concentrated Salts Solution by a Double Column of Cation No. and Crystalline Antimonic Acid
    用双重柱子从浓盐溶液中离子交换分离锂
  11. The salt effect is related to the cation radius, valence and Lewis acid hardness.
    而盐效应的大小与阳离子半径、电荷数及其酸软硬度等因素有关。
  12. Study of Behaviour of Cation Exchange of Rh(ⅳ) and Ir(ⅳ) in Perchlorate Acid
    在高氯酸溶液中Rh(Ⅳ)和Ir(Ⅳ)离子交换行为的研究
  13. By using cation ion exchange resins as catalyst as cinnamic acid reacting with methanol, ethanol, n-propanol and n-butanol, some cinnamates were prepared.
    以大孔阳树脂为催化剂,将肉桂酸与甲醇、乙醇、正丙醇、正丁醇反应,制备了相应的肉桂酸酯。
  14. The experimental results showed that after adding the same metal cation both the total acid amount and the catalyst activity decrease with increasing of Na~+ exchanged amount.
    结果表明:在引入相同金属阳离子后。随着Na~+交换度的提高,总酸量减小,催化活性降低;
  15. Separation of am, cm, CF and y by cation exchange with α-hydroxy isobutyric acid
    α-羟基异丁酸阳离子交换色层法分离Am、Cm、Cf和Y
  16. Therefore the power plant has changed into the cation exchanger reproduction by means of "two-step adding acid".
    为此,该厂改用二步进酸法再生阳床。
  17. The studies of semiconductivity of cation exchange resin of furoic acid
    糠酸阳离子交换树脂的半导体性能研究
  18. Determination of Alkali Metal, Ammonium Ion and Alkyl Amines by Single-Column Cation Chromatography Using Aromatic Acid as Eluent
    芳香酸淋洗液的单柱阳离子色谱法测定碱金属、铵离子和烷基胺
  19. ( iii) a coordination bond, formed by ammonia atom with a surface cation ( Lewis acid site).
    与催化剂表面的阳离子(即表面Lewis位)形成共价结构。
  20. Vegetation uptake of nitrogen and base cation, as well as acid deposition, is an important source of soil acidity.
    植被对氮和盐基阳离子的吸收是除酸沉降外另一个重要的土壤酸度来源。
  21. Synthesis of Ion Exchange Resins ⅰ Weakly acidic cation exchange resins of salicylic acid-phenol-formaldehyde type
    离子交换树脂的合成Ⅰ水杨酸苯酚甲醛型弱酸性阳离子交换树脂
  22. Methods: 3 ( N tetrahydropyrrole) 2 hydroxy is synthesized through a hydrogen form of a cation exchange resin with propanesulfonic acid, tetrahydropyrrole, epichlorohydrin, sodium hydrogen sulfite as its material.
    方法:以四氢吡咯、3-氯-1,2-环氧丙烷、亚硫酸氢钠为原料,通过一种氢型的阳离子交换树脂合成3-(N-四氢吡咯)-2-羟基丙磺酸。
  23. Fatty acid ethyl esters ( biodiesel) were prepared by catalytic esterification from palm fatty acid distillates ( PFAD) and anhydrous ethanol in self-made fixed bed reactor using cation exchange resin as solid acid catalyst.
    以棕榈油脱臭馏出物(PFAD)和无水乙醇为原料,强酸性阳离子交换树脂为固体酸催化剂,在自制的固定床反应器中进行酯化反应,成功合成了脂肪酸乙酯(生物柴油)。
  24. The optimal algorithm of unit combined weak acid cation exchange resin and strong acid cation exchange resin
    弱强树脂配合离子交换单元的优化算法
  25. Quantum Chemistry Studies on the Interaction Between Metal Cation and Nucleic Acid Potential Function Method
    金属离子与核酸相互作用的量子化学研究&势函数法
  26. In addition, after the removal of the cationic impurity with cation exchange resin, kojic acid crystal was obtained by the way of direct concentration crystallization. Finally, 78.67% kojic acid yield coefficient was obtained and its purity was 98.26%.
    另外,通过使用阳离子交换树脂更好的去除粗制曲酸溶液中的杂质阳离子后,采取直接浓缩结晶的方法直接制得曲酸结晶,最终获得的曲酸结晶的收率为78.67%,产品纯度为98.26%。
  27. Based on hydrophilic effect principle, analysis and detection for iohexol by cation ion chromatographic column with the strong acid property was established.
    基于亲水作用的原理,建立了强酸性阳离子色谱柱分析检测碘海醇的方法。
  28. Their catalytic activity was evaluated for esteri? cation of palmitic acid and investigated the hydrophobic organic groups on the influence of catalytic activity. The effects of reaction variables such as methanol to acid ratio, amount of the catalyst, resue times of the catalysts were studied.
    考察了其在棕榈酸酯化反应中的表现及惰性疏水性有机基团的修饰对催化活性的影响,探讨了反应条件:醇酸比,催化剂用量,催化剂重复使用次数对转化率的影响。
  29. The characteristics and contributions of this paper as follows: 1. Seven resin nanometer anorganic composites were prepared with sulfonic acid cation exchange resin of strong acid type. 2.
    本文研究的主要特点和贡献如下:1、使用强酸型磺酸基阳离子交换树脂制备了七种树脂纳米金属盐及纳米金属粒子的复合物。
  30. The results showed that the direct cation exchange reaction between cerium nitrate and ferulic acid did not occur due to the weak acidity of ferulic acid. Therefore, the addition of HMTA had taken an important role in the formation of cerium ferulate complex.
    结果表明:由于阿魏酸的酸性弱,铈离子与阿魏酸的阳离子交换反应难以发生,因此,六次甲基四胺的加入对于促进阿魏酸铈配合物的形成起主要作用。