沉淀反应

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  • precipitation reaction
沉淀反应沉淀反应
  1. 沉淀反应的最佳pH条件为10。

    The optimum pH condition of the precipitation reaction was ten .

  2. N,N′-双[4-(羧基亚甲氧基)亚苄基]乙二胺的酸离解常数的测定及其与金属离子的沉淀反应

    Determination of dissociation constant of n , n ' - bis [ ( 4-carboxylmethylenoxy ) benzilidene ] ethylene diamine and its precipitation reaction with metal ions

  3. 沉淀反应体系的pH值越高,产物的晶化度越高。

    The higher the pH value and the higher the crystallization is . 3 .

  4. 还原和沉淀反应是Cr(Ⅵ)去除的主要机理;

    The reduction and sedimentation actions are the main mechanism for the removal of Cr (ⅵ) .

  5. 试验结果表明,脱除氨氮沉淀反应的最佳pH值范围为8.5~9.5。

    Experimentation shows that the range of optimum pH for removing ammonia nitrogen is 8 . 5-9 . 5.Reaction temperature has effect on removal of ammonia nitrogen .

  6. 通过化学计算,首次证明了液相沉淀反应体系的pH值与Fe3+浓度对数lg[Fe3+]成线性关系。

    The linear relationship between pH value of liquid precipitation system and lg [ Fe 3 + ] has been proven for the first time by chemical calculations .

  7. pH值分步配位沉淀反应研究进一步显示干苔多糖与Cu2+的沉淀能力比Al3+好。

    The step by step dative precipitate reaction of pH showed that the precipitate ability of the Cu 2 + and polysaccharides was better than Al 3 + .

  8. 由于长期污染河流下部渗透介质始终处于厌氧环境,其中富含还原性物质,Cr(Ⅵ)可以通过沉淀反应大部分得以去除,所以污染的河流不是地下水铬污染的来源。

    So the Cr (ⅵ) can be removed by sedimentation action , and the polluted rivers are not the source of the Cr pollution in groundwater .

  9. 该115例血清作IOP与环卵沉淀反应(COP)比较试验。

    A comparison between IOP and circumoval precipitin reaction ( COP ) was made in 115 serum samples .

  10. 二元Al-Li合金的沉淀反应

    Precipitation in binary Al - Li alloys

  11. 设计正交实验讨论了三种构晶离子的摩尔配比和反应的pH对鸟粪石沉淀反应磷回收率(PRE)的影响,最后向反应体系中添加Ca2+考察不同Mg/Ca对PRE和沉淀产物成分的影响。

    Design the orthogonality experiment impact of mole of match ratio and reactive pH having discussed three kinds crystal structure over guanite precipitation on reaction phosphorus coefficient of recovery ( PRE ) .

  12. 3E1抗体能与囊虫抗原发生沉淀反应,2G6抗体无沉淀反应性。

    The McAb 3E_1 formed precipitate with antigen of C. cellulosae inID , whereas McAb 2G_6 did not .

  13. 本研究针对这一技术难题,认为Mg(OH)2沉淀反应体系提供的晶体生长环境对Mg(OH)2晶体的形成和生长、Mg(OH)2沉淀的过滤性能有重大影响。

    Different from the traditional ammonia method , we think that the generation and the growth environment of Mg ( OH ) _2 crystal in depositing reaction system show great effects on filtration of Mg ( OH ) _2 deposit .

  14. 染病组织粗汁液和提纯病毒制备物在SDS双向免疫扩散试验中与小西葫芦黄花叶病毒抗血清发生强烈的免疫沉淀反应;

    To the potyvirus group . The sap from infected tissue and purified virus preparation strongly reacts with antiserum against zucchini yellow mosaic virus ( ZYMV ) in SDS-agar gel double diffusion tests .

  15. 本文通过热力学分析方法对水泥熟料矿物C3S的早期水化进行了研究,结果表明,C3S浆体的液相不具备发生一致溶&沉淀反应生成水化产物的条件。

    By means of thermodynamic analysis , the early hydration of C_3S is studied . It is found that the hydration products of C_3S can not be produced in the liquid phase of C_3S paste by the congruent dissolution precipitation reaction .

  16. 琼脂双向免疫扩散法测定牛初乳中IgG双向琼脂免疫扩散与法国Stagc抗AT&Ⅲ血清呈特异性沉淀反应。

    Detected IgG Level in Bovine Colostrum with Agar Double Immunodiffusion Immunological specific activity of AT - ⅲ was determined by radial immunodiffusion method .

  17. 制剂经RNase、DNase或pronase处理后与抗血清仍有沉淀反应,但经唾液淀粉酶处理后沉淀线消失。

    The antigenicity remained after treatment with RNase , DNase or pronase . The antigenicity , however , was lost when the preparation was treated with salivary amylase .

  18. 随着铝盐浓度增加,所得的Al2O3溶胶固含量也在逐渐增加;同时沉淀反应温度也在一定程度上影响溶胶固含量,温度越高,固含量越大。

    The solid content increase with the increase of the salt concentration ; and also the temperature of the precipitation reaction has effect on the solid content , the higher the temperature , the larger the solid content . 7 .

  19. 以硫酸亚锑为原料、三聚磷酸钠为分散剂,在惰性浓NaCl介质中进行沉淀反应,得到了粒径较小、分布范围较窄的纳米Sb2O3粉体。

    Using Sb_2 ( SO_4 ) _3 as material and sodium tripolyphosphate as dispersant , the nanometer Sb_2O_3 powder with good dimensions varying in a limited range was obtained in inert thick NaCl media .

  20. [目的]免疫固定电泳法(IFE)检测非浓缩尿中的本-周氏蛋白,并与传统检测方法(热沉淀反应法)相比较。

    [ Objective ] To evaluate immunofixation electrophoresis ( IFE ) and to compare it with conventional manual heat test method for detection of Bence Jones ( BJ ) protein in nonconcentrated urine .

  21. 结果:所制备的抗血清与釉原蛋白三种组份A1、A2、A3之间都发生沉淀反应,但沉淀弧形及位置不同,不与釉蛋白E1发生反应。

    Results : The three groups of amelogenin A 1 , A 2 , A 3 reacted with the anti-A 1 antibody , but had a different shape of precipitin , and the enamelin E1 had no cross reaction with this antiserum .

  22. Y(NO3)3溶液和草酸溶液在微乳液水核(微反应器)中进行沉淀反应,制备出不同粒径、形貌的超细氧化钇。

    When the precipitation reaction of Y ( NO_3 ) _3 and oxalic acid solution exist in the water droplet of the microemulsion ( microreactor ), Y_2O_3 ultrafine particles of varying grain sizes and varying shapes are prepared .

  23. 主要考察了氯化钴溶液中钴离子浓度、溶液起始pH值、沉淀反应温度、沉淀反应时间等对前躯体粒度分布的影响,以及前躯体煅烧温度、煅烧时间对产物Co3O4颗粒形貌、粒度的影响。

    The effects of some factors , including cobalt concentration , the initial pH of solution , the temperature and time for the reaction , the temperature for decomposition , on the particle size and size distribution and the micro-morphology were investigated .

  24. 抗原&抗体反应用小管沉淀反应技术及琼脂扩散技术,均获得良好效果,反映制备出的RDV抗血清具有相当高的效价。

    Small-tubing precipitin test techni - que and agar gel diffusion technique were employed in antigen-antibody reaction tests , and gave good results indicating that the antisera so pre - pared produced fairly high titres .

  25. 当共沉淀反应中铁元素与模板微球的质量比0.162时,磁性微球具有最高的饱和磁化强度,为5.2emu/g。

    The max magnetic saturation magnetization of magnetic hybrid microsphere is 5.2emu/g when the ratio of iron salt to template spheres is 0.162 in the co-precipitation reaction .

  26. 牛血清白蛋白的抗血清在免疫学沉淀反应实验中的应用

    Application of Antiserum of Bovine Serum Albumin in Immunoprecipitation Reaction Experiment

  27. 金属有机化学气相沉淀反应器结构的模拟优化

    Metallo organic chemical vapor deposition Simulation and optimization design in MOCVD reactor

  28. 铬酸铅沉淀反应在凝胶中的扩散特征研究

    Study on diffusion characteristics of lead chromate precipitation reactions in gel system

  29. 反乳液沉淀反应中晶体生长的可视化研究

    Visual Study of Crystal Growth in Two Reverse-Emulsion Precipitation Reactions

  30. 琼脂扩散沉淀反应检测菌毛抗原的初步研究

    Detection of Pili Antigen by Agar Gel Difffusion Precipitin Test