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中和反应
    Application of Nitric Acid/Ammonia Cascade Control in Neutralization Reaction System
    硝酸/氨串级控制在中和反应系统中的应用
    The technology is to input basic industrial waste waste to the wet desulphurization and dust palletizing system of industrial boiler,to form water film which fully contacts with coal fired gas that goes upstream and has neutralization reaction with SO 2 in it to make Na 2SO 3,NaHSO 3and H 2O.
    将碱性工业废水输入工业锅炉湿法脱硫除尘系统,形成水膜与逆流而上的燃煤烟气充分接触,并与其中的SO2发生中和反应,生成Na2SO3和NaHSO3和水。
    pH value-nitric acid/ammonia cascade control in neutralization reaction system is realized with PNA3 programmable controller.
    利用PNA3可编程调节器,实现中和反应系统pH值-硝酸/氨串级调节。
    The equilibrium constant of carbonization reaction of lime white was calculated using three thermodynamics methods The results indicate that the carbonization reaction of lim white was the neutralization reaction between acid and alkali first,and it was the transform reaction of precipitation second The essential cognition of the carbonization reaction of lime white was deepend It was of guiding significance for industrial production of light(precipitation)calcium carbonate
    用 3种热力学方法计算了石灰乳碳化反应的平衡常数 ,结果表明 ,石灰乳的碳化反应首先是酸碱的中和反应 ,其次才是沉淀的转化反应 ,从而加深了对石灰乳碳化反应本质的认识 ,对轻质 (沉淀 )碳酸钙的工业生产有指导意义
    concentration of acetic acid ranges from 15 to 17 mol. L-1in neutralization reaction with excessive 0.09mol.
    中和反应时醋酸浓度在15~17mol·L-1为宜,且应过量0.09mol.
    concertration of acetic acid ranges from 15 to 17mol·L-1 in neutralization reaction with excessive 0.09mol
    中和反应时醋酸浓度在15~17mol·L-1为宜,且应过量0.09mol。
    In neutralization reaction, the reaction temperature was 25 ℃ and the ratio of IPA to mother liquor(mass) was 1∶8. The total yield and purity of the product reached 78.7 % and 99.5 %, respectively.
    中和反应温度 2 5℃ ,m( IPA)∶ m(母液 ) =1∶ 8为反应最佳条件。 此条件下 SIPM平均收率为 78.7% ,纯度 99.5 %。
    The repeatability of test results is good under given conditions that the time of neutralization reaction is 90 min and the base concentration is 0.05 mol/L.
    实验结果表明,中和反应时间为90min、碱溶液浓度为0.05mol/L时,实验的重复性较好.
    The neutralization reaction showed when the conditions were as follows: 5% milk of lime, 50% Calcium Citrate, temperature 60℃ , reactant time 1 hour, the product has high of product receipt rate, excellent quality, security and innocuity.
    中和反应条件:石灰乳浓度5%,柠檬酸浓度50%,反应温度60℃,反应时间1h,产品收率高、质量好、安全无毒。
    A method of hydroxyapatite(HAP)microcrystal synthesis with neutralization reaction of Ca(OH)2 suspension and H3PO4 solution was studied.
    利用Ca(OH)2和H3PO4中和反应制备悬浮聚合分散剂超细羟基磷酸钙(HAP).
    On multi-moving chemical reaction boundaries (MMCRB) system by CHCOOH, CoCl2 and NaOH, the experimental study of movement validity of the boundaries Co2+‖OH- and H+‖OH- are performed, and a stationary neutralization reaction boundary (SNRB) H+‖OH- is created with the experiments.
    在CH3COOH、CoCl2与NaOH形成的多移动化学反应界面系统中,进行了Co2+‖OH-和H+‖OH-界面移动速度的实验研究,并建立了静止中和反应界面。
    How to enhance the efficiency of neutralization reaction and control neutralization degree are the problems we are trying to work out.
    如何提高纯碱与磷酸中和反应的效率和精确控制中和度是国内外磷化工行业多年来努力解决的问题。
    Methods: 3,4-dimethoxyphenylethylamine was taken as the template and the title compounds were synthesized through Pictet-Spengler reaction, neutralization reaction, substitution, hydrolysis, and acylation.
    方法以3,4,5-三甲氧基苯乙胺为起始原料,经Pictet-Spengler反应、中和反应、取代反应、酸性裂解等反应合成目标化合物,并进行体外抗真菌活性研究。
    Experiments on Moving Neutralization Reaction Boundary Formed by Strong Electrolytes in Homemade Apparatus
    强酸强碱形成的移动中和反应界面的实验研究
    Differences of Weak and Strong Base Action in Moving Neutralization Reaction Boundary Under Existence of 0.1 M KCl
    强碱和弱碱在形成移动中和反应界面中的差异
    A Probe into the Exploratory Study of Chemistry in Middle Schools: Research in Neutralization Reaction and the Application of the Way of Exploratory Study
    中学化学探究性学习初探——中和反应及应用探究性学习方式的研究
    Technique of crystallizing neutralization reaction applied in the new caprolactam ammonium sulfate unit
    己内酰胺硫铵新装置中和反应结晶技术
    Study on continuing neutralization reaction device of sodium tripolyhosphate
    双原料三聚磷酸钠产品连续中和反应装置的研制
    Reaction course include alkyl reaction, sulfonic reaction and neutralization reaction.
    反应步骤包括烷基化反应、磺化反应、中和反应
    When the soil was alkalescent, the time to achieve equilibrium was longer than that of acid soil, because the neutralization reaction between soil and liquor delayed the equilibrium.
    土壤和吸附(解吸)溶液的酸碱性相同时,达到平衡所需的时间较短; 反之,由于存在酸碱中和反应而且土壤是一个缓冲体系,中和反应不可能快速完成,所以平衡略为延迟。
 

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