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硫酸铈     
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  cerium sulfate
     Hydrothermal Synthesis and Structure Characterization of an Acidic Cerium Sulfate Hydrate,H_3O[Ce(SO_4)_2(H_2O)_3] H_2O
     二维层状水合酸式硫酸铈H_3O[Ce(SO_4)_2·(H_2O)_3]·H_2O的水热合成与结构表征
短句来源
     The results show that the compound is a novel organically templated cerium sulfate. Its structure belongs to the orthorhombic system, with lattice parameters of a=0 .68025 , b= 0.84725 , c=1.71921 nm;
     结果表明,该化合物为新型的有机模板硫酸铈,晶体属正交晶系,晶胞参数为a=0.68025 nm,b=0.84725 nm,c=1.71921 nm;
     Result Compared with the control,at 64-1 024 mg/L,the activity of SOD and CAT in the third-instar larvae significantly decreased and at 1-16 mg/L,the activity of SOD and CAT significantly increased Conclusion It suggested that cerium sulfate [Ce(SO4)2] has an oxidant toxicity to Drosophila melanogaster.
     结果与对照组比较,64~1024mg/L硫酸铈组果蝇SOD及CAT活力降低,差异有统计学意义(P<0.05,P<0.01),1~16mg/L硫酸铈组果蝇三龄幼虫SOD和CAT活力上升,差异有统计学意义(P<0.05,P<0.01)。 结论Ce(SO4)2对果蝇具有一定的毒性效应。
短句来源
     Determination of doxium by flow injection analysis with cerium sulfate and sodium sulfite chemiluminescence
     硫酸铈-亚硫酸钠流动注射化学发光法测定多贝斯
短句来源
     Determination of iron in iron ores by titrimetry with cerium sulfate
     硫酸铈滴定法测定铁矿中铁
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  ceric sulfate
     The optimum conditions are as follows: the molar ratio of ethyl acetoacetate to alcohol was 1.0∶1.4,the amount of catalyst was 0.5g/0.1mol ethyl acetoacetate,the reaction time was 3h. Ammonium ceric sulfate was a good catalyst for synthesizing acetoacetic ester cyclic ethylene ketal,the yield is over 80.1%.
     实验表明,硫酸铈铵是合成乙酰乙酸乙酯环乙二缩酮的良好催化剂,在酯醇物质的量比为1∶1.4(mol),催化剂用量为0.5g/0.1mol乙酰乙酸乙酯,环己烷10ml,反应时间3h的条件下,收率可达80.1%。
短句来源
     Study on the Synthesis of Butyl Propionate Catalyzed by Ceric Sulfate
     硫酸铈催化合成丙酸丁酯的研究
短句来源
     Synthesis of Butyl Acetate Catalyzed by Ceric Sulfate
     硫酸铈催化合成乙酸丁酯
短句来源
     THE INHIBITION EFFECT ON IMPURITIES AND STABILIZATION EFFECT ON G(Ce~3)VALUE EXERTED BY CEROUS IONS IN THE CERIC SULFATE DOSIMETER
     在硫酸铈剂量计中铈(Ⅲ)对抑制杂质和稳定G(Ce~(3+))值的作用
短句来源
     Synthesis of Isoamyl Acetate Catalyzed by Ceric Sulfate
     硫酸铈催化合成乙酸异戊酯
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  cerous sulfate
     OUr goal was to determine urine iodine of 1887 pregnant women and 1887 corresponding newborns with cerous sulfate reducing reaction.
     本文采用硫酸铈法测定了1887例分娩前(40周)孕妇与相应的1887例新生儿尿碘。
短句来源
     Study on iodine defeciency in pregnant women and newborns. I evaluation at determinating urine iodine and calculating method to cerous sulfate contace test.
     孕妇和新生儿碘缺乏病研究 Ⅰ.对硫酸铈法测定尿碘和计算方法的评价
短句来源
     Urine ildine of 4218 pregnant women was determinated with cerous sulfate reducing reaction.
     本文采用硫酸铈接触法测定了4218例孕妇的尿碘。
短句来源
     The optimum conditions are as follows: the reaction temperature is 65℃, the reaction time is 1.2h and the mole ratio of cerous sulfate to naphthalene is 5∶1. Under above-mentioned conditions, the yield of the product is 81.5% and the purity of final product is above 99%.
     研究确定的最佳工艺条件为:反应温度65℃,反应时间1.2h,硫酸铈与萘的物质的量比为5∶1。
短句来源
     (3) On assaying urine iodine with the contact method of cerous sulfate, the regression relationship between the variables is an exponential curve.
     (3)硫酸铈法测定尿碘时,其变量间是指数曲线关系;
短句来源
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  cerium sulphate
     Effect of Cerium Sulphate on Fast-Speed Nickel Brush Plating Layer
     硫酸铈对快速镍刷镀层性能的影响
短句来源
     The results showed good agreement with those obtained by cerium sulphate method.
     本法与美国药典(ⅩⅪ版)硫酸铈法比较,结果一致。
短句来源
     The influence of cerium sulphate on fast-speed nickel brush plating layer was investigated by adding it in the brush plating solution. The depositing rate,hole rate and hardness of the coatings were measured and the influencing mechanisms of cerium sulphate were discussed.
     研究了硫酸铈对快速镍电刷镀层性能的影响,测量了镀层的沉积速率、硬度和空隙率,并分析了硫酸铈产生影响的机理。
短句来源
     The results show that cerium sulphate can decrease the hole rate and increase depositing rate and hardness of brush plating layer,while ensuring the binding force of coating.
     结果表明,镀液中硫酸铈加入量为0.3g/L~0.6g/L时,可以提高镀层沉积速度,改善镀层表面质量,降低镀层气孔率,提高镀层硬度,但不降低镀层结合力。 同时指出,镀层质量的提高是由于镀层的内部组织结构产生了变化。
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  cerium sulfate
Crystal Structure of a Mixed-Valence Hydroxonium Cerium Sulfate Hydrate
      
On the other hand, both cerium adducts are white, suggesting that, for pu and etu cerium sulfate adducts, a ligand-to-metal charge-transfer promotes the reduction of CeIV to CeIII.
      
The H2 and CO evolutions were obtained from Pt/CH3OH/H2O solution and O2 evolution was generated from an aqueous cerium sulfate solution.
      
The reaction of cerium sulfate (III) with orthophosphoric acid and its sodium salts in aqueous solution at 25°
      
1.The reaction between cerium sulfate and phosphoric acid and its mono- or disodium salts in aqueous solution gives difficulty soluble precipitates of cerosulfatophosphates, and then of neutral cerophosphate.
      
  ceric sulfate
The method is based upon the strong catalytic effect of iodide upon the reaction between ceric sulfate and an excess of arsenious acid in dilute sulfuric acid (1,5-2N).
      
It is based on oxidation by ceric sulfate in 1N H2SO4followed by measuring the absorbance of the residual Ce(IV) in presence of Ferroin at 426 nm.
      
The micro determination of blood sugar by ceric sulfate titration
      
It involves the use of ferricyanide as an oxidizing agent and the titration of the ferrocyanide produced with standard ceric sulfate solution.
      
A titrimetric ceric sulfate method is described for the determination of glucose in small volumes of physiological fluids containing from 1 to 12γ of glucose.
      
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  cerium sulphate
From separate kinetic studies on rotating electrodes, both, anode and cathode kinetics were found to be affected by cerium sulphate adsorption processes.
      
Cathode adsorption of cerium sulphate is thought to be responsible for high cathode current efficiencies for hydrogen (93-100%).
      
Study of thermal decomposition of ammonium cerium sulphate
      
Thermal decomposition of ammonium cerium sulphate has been studied by differential scanning calorimetry and thermogravimetry.
      
Ammonium cerium sulphate and the products of the first and the final transitions contain cerium ion in 4+ oxidation state, while the three intermediate phases have cerium ion in 3+ oxidation state.
      
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